| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 192012000 | CLUTCH AND BRAKE | 48 |
| 20090266670 | MAGNETO-RHEOLOGICAL BRAKE-CLUTCH APPARATUSES AND METHODS - Magneto-rheological brake-clutch apparatuses and methods are provided. According to one aspect, a magneto-rheological brake-clutch can include a drive member and a driven member spaced from the drive member with a gap defined between the drive and driven members. A first quantity of MR fluid can be disposed in the gap. A brake assembly can define a chamber having a second quantity of MR fluid disposed therein and having a braking structure positioned in the chamber and connected to the driven member. A magnetic field generation assembly can be configured to selectively apply a magnetic field to the first quantity of MR fluid for controlling engagement of the driven member with the drive member. The assembly can be configured to selectively apply a magnetic field to the second quantity of MR fluid for controlling engagement of the braking structure with the brake assembly to brake the driven member. A magnet can be used and selectively positioned for applying a magnetic field to the first and second quantities of MR fluid. | 10-29-2009 |
| 20110290614 | Construction Machine, As Well As Clutch For Switching The Power Flow - Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements. | 12-01-2011 |
| 20150330490 | TORQUE LIMITER - A torque limiter comprising: a ramp roller, said ramp roller comprising: an input ramp roller element arranged to be driven by an input torque and having a first ramp surface; an output ramp roller element arranged to drive an output torque shaft and having a second ramp surface; ramp roller balls disposed between the first ramp surface and the second ramp surface; wherein said output ramp roller element is axially and resiliently compressible and wherein an overtorque condition causes axial compression of said output ramp roller element. This arrangement removes all axially sliding friction surfaces from the torque limiter so that the torque bandwidth is reduced, allowing manufacturers to design structures more optimally. | 11-19-2015 |
| 20090078528 | DRUM ROTATING APPARATUS FOR USE ON CONSTRUCTION MACHINES - A support member which is securely fixed to a truck frame is constituted by a tubular body portion and a lid portion. A couple of dry electromagnetic brakes are located in a brake accommodation room within the tubular body portion. The support member is assembled with an electric motor. A drum member which accommodates a planetary reduction gear mechanism is rotatably mounted on the outer periphery of the support member through bearings. A floating seal is provided between the support member and the drum member, and a seal ring ( | 03-26-2009 |
| 20090250307 | DUAL APPLY CLUTCH APPARATUS FOR COMPACT ELECTRO-MECHANICAL TRANSMISSION - An actuator assembly for selectively actuating a clutch includes a first actuator ring that is moveable between a first axial position and a second axial position along a rotational axis of the clutch, and a second actuator ring that is slidably received within the first actuator ring, and that is moveable between a third axial position and a fourth axial position by the first actuator ring. The first actuator ring receives a first actuation force, and when in the second axial position, transfers the first actuation force to the second actuator ring. The second actuator ring selectively receives the first actuation force and a second actuation force, and when in the fourth axial position, transfers one of the first and second actuation forces to the clutch. The actuator assembly is included with a transmission and actuates a clutch that provides an input to a planetary gear set of the transmission. | 10-08-2009 |
| 20120247912 | ELECTROMAGNETIC-CLUTCH ROTATION STOPPING STRUCTURE - An axially short electromagnetic-clutch rotation stopping structure for use with a phase varying apparatus ( | 10-04-2012 |
| 20130306430 | ELASTIC ROTARY ACTUATORS - Elastic rotary actuators are provided having breaking units arranged in such a way as to apply on an output member an adjustable braking torque in order to introduce adjustable damping between an input member and the output member in parallel to elastic members. | 11-21-2013 |
| 20150060229 | ELECTROMAGNETIC CLUTCH - An electromagnetic clutch includes a first rotation transmission portion, annular field core, rotation stop member, second rotation transmission portion, armature, and spring member. The annular field core is supported by the first rotation transmission portion via a first bearing. The first bearing is housed in a hollow portion of the field core and fitted on an inner circumferential surface of the field core. The rotation stop member includes a flat portion which is fixed to an end of the field core on a side opposite to the armature. The flat portion is formed integrally with a retaining piece which projects toward the hollow portion of the field core and faces the first bearing when viewed from the axial direction of the field core. | 03-05-2015 |
| 20160201747 | FREQUENCY-VARIABLE HAND RUBBED-TYPE MOTOR SPEED REDUCTION CLUTCH APPARATUS, AND WASHING MACHINE | 07-14-2016 |
| 20080308381 | Clutch brake assembly - A clutch-brake assembly transmits force to rotate a shaft and to retain the shaft against rotation. The assembly includes a plurality of force transmitting members which transmit force between a piston and a base member. A plurality of springs urge the piston to move relative to the base member. A plurality of spring retainers are disposed between the base member and the piston. Each of the spring retainers includes a plurality of projecting portions extending from the base portion. Each of the springs is telescopically disposed on one of the projecting portions. Each of the force transmitting members is disposed between adjacent spring retainers. | 12-18-2008 |
| 20090107796 | HYDRAULIC CONTROL SYSTEM OF EIGHT-SPEED AUTOMATIC TRANSMISSION FOR A VEHICLE - A hydraulic control system of an eight-speed automatic transmission for a vehicle. Four clutches and two brakes can by independently controlled by six proportional control solenoid valves by employing pressure control valves and pressure switching valves. | 04-30-2009 |
| 20100018829 | TORQUE TRANSMITTING DEVICE ACTUATION SYSTEM USING A PIEZOELECTRIC PUMP - A hydraulic control system for actuating a torque transmitting device in a transmission includes a sump for receiving a hydraulic fluid and a piezoelectric pump for pumping the hydraulic fluid from the sump to the torque transmitting device. A first fluid flow path communicates the hydraulic fluid from the sump to the piezoelectric pump and a second fluid flow path communicates the hydraulic fluid from the piezoelectric pump to the torque transmitting device. An exhaust means selectively communicates the hydraulic fluid from the torque transmitting device to the sump. | 01-28-2010 |
| 20120090950 | HYDRAULIC CONTROL SYSTEM OF AUTOMATIC TRANSMISSION FOR HYBRID VEHICLE - A hydraulic control system of an automatic transmission for a hybrid vehicle provides for simplifying structure of a valve body and improving responsiveness as a consequence of directly controlling hydraulic pressure supplied to friction elements. The hydraulic control system may operate first and second clutches and first and second brakes selectively according to each driving mode, and may include: a first proportional control solenoid valve for selectively supplying forward pressure and reverse pressure supplied from a manual valve to the first clutch; a second proportional control solenoid valve for selectively supplying line pressure supplied from a primary regulator valve to the second clutch; a third proportional control solenoid valve for selectively supplying the line pressure supplied from the primary regulator valve to the first brake; and a fourth proportional control solenoid valve for selectively supplying the forward pressure supplied from the manual valve to the second brake. | 04-19-2012 |
| 20140001007 | ROTARY DAMPER DEVICE AND METHOD FOR PRODUCING SAME | 01-02-2014 |
| 20090194385 | Positive-Fit Freewheel Mechanism That Can Be Electromechanically Actuated, Electromechanical Brake With A Freewheel Mechanism Of This Type For A Motor Vehicle and Method For Adjusting The Play In A Brake Of This Type - The invention relates to an electromechanically switchable form-locking freewheel mechanism for preventing an electromechanical brake from releasing. According to the invention, the freewheel mechanism is embodied in the form of an electric motor in which a pivot angle of the armature is limited, the armature is counterbalanced and has a locking element that cooperates with a gear. The invention permits a compactly designed freewheel mechanism that can be integrated into an electromechanical actuating unit of the electromechanical brake. The counterbalancing of the armature equipped with the locking element prevents external accelerations of the freewheel mechanism of the kind that can occur during driving operation of a motor vehicle from exerting a moment on the armature that could switch off the freewheel mechanism. A method for adjusting the clearance of an electromechanical brake is also provided. | 08-06-2009 |
| 20090266669 | Transmission arrangement - A transmission arrangement is described, particularly for a power take-off transmission. The transmission arrangement comprises a transmission housing, an output shaft for driving an implement, a drive component for driving the output shaft, a clutch arranged between the output shaft and the drive component for transmitting a torque, a brake device for braking or locking the output shaft in relation to the transmission housing, an annular piston which is supported so that it is axially displaceable on the output shaft and which in a first position serves to actuate the clutch and in a second position actuates the brake device, and a freewheel device, which allows the output shaft to be rotated over a limited part of its circumference whilst in a locked state. In order to improve such a transmission arrangement, according to the invention the freewheel device, comprises at last one freewheel element, which is arranged radially in relation to the output shaft between the output shaft and the annular piston and which is firmly connected to the output shaft or to the annular piston and extends radially into at least one recess, formed on the annular piston) and/or on the drive shaft and extending over a limited part of the circumference. | 10-29-2009 |
| 20080277235 | TORQUE TRANSFER MECHANISM - The present invention discloses and claims a torque transfer mechanism. The torque transfer mechanism connects an input shaft to an output shaft to transmit rotation and torque in either direction from the input shaft to the output shaft. The torque transfer mechanism also inhibits the transmission of rotation and torque in at least one direction from the output shaft to the input shaft. In alternate embodiments, the torque transfer mechanism may transmit rotation and torque in one direction from the output shaft to the input shaft. In still further embodiments, the torque transfer mechanism may inhibit the transmission of rotation and torque in either direction from the output shaft to the input shaft. | 11-13-2008 |
| 192013000 | Vehicle type | 8 |
| 20080257679 | Motor vehicle equipped with an integrated brake and clutch control system - A motor vehicle brake and clutch actuator system includes a pressurized fluid source and a plurality of fluid actuated brakes. Each brake is adapted to individually decelerate a vehicle wheel. A fluid actuated clutch is adapted to drivingly interconnect members of a vehicle driveline. A plurality of valves selectively communicate the pressurized fluid source with one of the plurality of fluid actuated brakes and the fluid actuated clutch. | 10-23-2008 |
| 20080296122 | QUICK RELEASE HAND BRAKE - A brake mechanism comprises a housing, a first handle, a first shaft mounted in the housing having at least one gear rotatably received thereon, a second gear rotatably mounted in the housing in operative engagement with the first shaft, a locking mechanism, and a clutch operatively disposed between the first handle and the second gear, where the clutch defined a recess therein. The locking mechanism comprises a second shaft mounted in the housing, a second handle rotationally fixed to the second shaft, a pawl rotatably received on the second shaft and in operative engagement with the first gear, and said pawl having a first portion in operative engagement with the first gear and a second portion operatively engaged with the clutch. The clutch is moveable between a first position in which the first shaft is rotationally coupled to the second gear and a second position in which the second gear rotates with respect to the first shaft and the pawl second portion is received in the clutch recess. | 12-04-2008 |
| 20090071791 | AUTOMOBILE ANTICOLLISION DECELERATING AND EMERGENCY BRAKE APPARATUS - An anticollision decelerating and emergency brake apparatus of automobile is disclosed. The objects of the invention is realized by the following: an anticollision decelerating and an emergency brake apparatus of automobile constituted by clutch ( | 03-19-2009 |
| 20100243403 | Electromagnetic Inertia Brake for a Multiple-Ratio Power Transmission - An electromagnetic inertia brake for a vehicle transmission in a vehicle powertrain has a non-rotatable armature and a brake reaction plate in which a friction brake retarding force is developed on both sides of the brake reaction plate, the brake reaction plate being secured to a transmission torque input shaft, whereby rotary elements of transmission gearing are braked during a transmission shift interval to improve shift quality. | 09-30-2010 |
| 20110303504 | Torque-Limiting Clutch Brake - A clutch brake is provided for mounting on a rotatable shaft comprising an outer annular housing and an inner annular collar. The inner collar is mounted within the housing and is secured to the rotatable shaft so as to be rotatable with the shaft and capable of rotation relative to the housing. One or more pads are interposed between the housing and the collar and is biased to provide frictional engagement between the two. Preferably both the outer housing and collar comprise a pair of arcuate semi-annular members to facilitate installation and removal. | 12-15-2011 |
| 20160160936 | Coupling Device for a Motor Vehicle - A coupling device for a motor vehicle is disclosed. The coupling device has a friction-locking unit and a form-locking unit which is connected in parallel with the friction-locking unit and has at least two form-locking elements which can be connected to one another by form-locking, are disposed so as to be movable along a direction of actuation relative to one another, and in each case have at least one claw, where at least some of the claws in each case have a top surface which is oriented obliquely with respect to the direction of actuation. | 06-09-2016 |
| 20160176406 | ELECTRO-HYDRAULIC TRACTION SUPPORT | 06-23-2016 |
| 20100059327 | POWER SHEAVE - A power sheave comprising a first chain having a first end coupled to a brake mechanism, a second chain having a first end coupled to a railway car brake rigging, a wheel rotatably coupled to the railway car and operatively coupled to a second end of the first chain and a second end of the second chain, a sensor operatively coupled to the railway car proximate the wheel, and a spring mechanism operatively coupled to the wheel, the spring mechanism configured to bias the wheel in a first rotational direction. When the railway car brake mechanism is applied, the wheel rotates in a second rotational direction opposite the first rotational direction into a first position. When the railway car brake mechanism is released, the wheel rotates in the first rotational direction under the bias of the spring mechanism into a second position. The sensor is configured to detect when the wheel is in the second position. | 03-11-2010 |
| 192013000 | Clutch-released brake holder | 1 |
| 20080257679 | Motor vehicle equipped with an integrated brake and clutch control system - A motor vehicle brake and clutch actuator system includes a pressurized fluid source and a plurality of fluid actuated brakes. Each brake is adapted to individually decelerate a vehicle wheel. A fluid actuated clutch is adapted to drivingly interconnect members of a vehicle driveline. A plurality of valves selectively communicate the pressurized fluid source with one of the plurality of fluid actuated brakes and the fluid actuated clutch. | 10-23-2008 |
| 20080296122 | QUICK RELEASE HAND BRAKE - A brake mechanism comprises a housing, a first handle, a first shaft mounted in the housing having at least one gear rotatably received thereon, a second gear rotatably mounted in the housing in operative engagement with the first shaft, a locking mechanism, and a clutch operatively disposed between the first handle and the second gear, where the clutch defined a recess therein. The locking mechanism comprises a second shaft mounted in the housing, a second handle rotationally fixed to the second shaft, a pawl rotatably received on the second shaft and in operative engagement with the first gear, and said pawl having a first portion in operative engagement with the first gear and a second portion operatively engaged with the clutch. The clutch is moveable between a first position in which the first shaft is rotationally coupled to the second gear and a second position in which the second gear rotates with respect to the first shaft and the pawl second portion is received in the clutch recess. | 12-04-2008 |
| 20090071791 | AUTOMOBILE ANTICOLLISION DECELERATING AND EMERGENCY BRAKE APPARATUS - An anticollision decelerating and emergency brake apparatus of automobile is disclosed. The objects of the invention is realized by the following: an anticollision decelerating and an emergency brake apparatus of automobile constituted by clutch ( | 03-19-2009 |
| 20100243403 | Electromagnetic Inertia Brake for a Multiple-Ratio Power Transmission - An electromagnetic inertia brake for a vehicle transmission in a vehicle powertrain has a non-rotatable armature and a brake reaction plate in which a friction brake retarding force is developed on both sides of the brake reaction plate, the brake reaction plate being secured to a transmission torque input shaft, whereby rotary elements of transmission gearing are braked during a transmission shift interval to improve shift quality. | 09-30-2010 |
| 20110303504 | Torque-Limiting Clutch Brake - A clutch brake is provided for mounting on a rotatable shaft comprising an outer annular housing and an inner annular collar. The inner collar is mounted within the housing and is secured to the rotatable shaft so as to be rotatable with the shaft and capable of rotation relative to the housing. One or more pads are interposed between the housing and the collar and is biased to provide frictional engagement between the two. Preferably both the outer housing and collar comprise a pair of arcuate semi-annular members to facilitate installation and removal. | 12-15-2011 |
| 20160160936 | Coupling Device for a Motor Vehicle - A coupling device for a motor vehicle is disclosed. The coupling device has a friction-locking unit and a form-locking unit which is connected in parallel with the friction-locking unit and has at least two form-locking elements which can be connected to one another by form-locking, are disposed so as to be movable along a direction of actuation relative to one another, and in each case have at least one claw, where at least some of the claws in each case have a top surface which is oriented obliquely with respect to the direction of actuation. | 06-09-2016 |
| 20160176406 | ELECTRO-HYDRAULIC TRACTION SUPPORT | 06-23-2016 |
| 20100059327 | POWER SHEAVE - A power sheave comprising a first chain having a first end coupled to a brake mechanism, a second chain having a first end coupled to a railway car brake rigging, a wheel rotatably coupled to the railway car and operatively coupled to a second end of the first chain and a second end of the second chain, a sensor operatively coupled to the railway car proximate the wheel, and a spring mechanism operatively coupled to the wheel, the spring mechanism configured to bias the wheel in a first rotational direction. When the railway car brake mechanism is applied, the wheel rotates in a second rotational direction opposite the first rotational direction into a first position. When the railway car brake mechanism is released, the wheel rotates in the first rotational direction under the bias of the spring mechanism into a second position. The sensor is configured to detect when the wheel is in the second position. | 03-11-2010 |
| 192014000 | Same member | 1 |
| 20110067969 | NON-ROTATING CLUTCH - A grounded clutch mechanism for a transmission includes a transmission housing and a backing plate fixedly secured to the transmission housing. The backing plate has a plurality of backing plate posts. A plurality of reaction plates have a plurality of radially-outward spline teeth configured to mate with the backing plate posts. Torque may be transferred between the backing plate and the reaction plates. The reaction plates do not transfer torque directly to the transmission housing. The backing plate may be radially symmetric with respect to an axis of rotation. A plurality of clutch plates may be configured to selectively transfer torque to the reaction plates. The clutch plates may be configured to be selectively rotatable with respect to the axis of rotation and the reaction plates are configured not to be rotatable with respect to the axis of rotation. | 03-24-2011 |
| 192015000 | Automatic check and release | 8 |
| 20120273319 | PUMPING DEVICE FOR VEHICLE SEAT CUSHION - A pumping device for a vehicle seat cushion, which rotates a link gear mounted to the seat cushion as an actuating lever is rotated, thereby controlling the height of the seat cushion. This pumping device generates a uniform clutch force at the same position at all times and prevents undesired movement of the actuating lever so that the actuating lever can be located at the regular position at all times. In addition, when operating the actuating lever in the same direction continuously, the pumping device can minimize the degree of angle at which the actuating lever idles, so that the pumping device can improve the controllability of the actuating lever, thereby effectively transmitting the operating force of the actuating lever to the link gear. Therefore, this invention causes the user inconvenience and improves the quality of the vehicle seat, and remarkably improves assemblability and productivity of the pumping device. | 11-01-2012 |
| 20140027232 | WINCH BRAKE - A winch clutch includes a driving block and a driven block respective connected to a motor and a transmission shaft of a deceleration clutch mechanism of a winch, the driving block and the driven block each having two spaced protruding flanges, a brake spring mounted between the driving block and the driven block and having retaining end portions disposed at two opposite ends thereof and respectively engaged into gaps between the protruding flanges of the driving block and gaps between the protruding flanges of the driven block, a brake bush accommodating the driving block, the driven block and the brake spring, and a one-way bearing fixedly mounted in the winch around the brake bush to limit rotation of the brake bush in a first direction. Thus, the winch brake has the characteristics of high reliability and high durability. | 01-30-2014 |
| 20150096859 | CLUTCH UNIT - A clutch unit includes a lever-side clutch section provided on an input side, for controlling rotational torque to be input through lever operation, and a brake-side clutch section provided on an output side, for transmitting the rotational torque from the lever-side clutch section to the output side, and interrupting rotational torque to be reversely input from the output side. The brake-side clutch section has a two-layer structure, in which two one-way clutches are arranged side by side in an axial direction. The first one-way clutch interrupts rotational torque in a forward direction, which is reversely input from the output side, through meshing of serrated projection and depression portions, whereas the second one-way clutch interrupts rotational torque in a backward direction, which is reversely input from the output side, through meshing of serrated projection and depression portions arranged in an opposite direction. | 04-09-2015 |
| 20150129386 | TRANSMISSION UNIT FOR INDUSTRIAL MACHINES - A stepless speed variation transmission drive unit, in particular for industrial, agricultural or railway machinery, comprises at least a first input pinion ( | 05-14-2015 |
| 20150300435 | CLUTCH UNIT - A clutch unit includes a lever-side clutch portion for controlling transmission and interruption of rotational torque to an output side through lever operation, and a brake-side clutch portion for transmitting torque input from the lever-side clutch portion to the output side and for interrupting torque reversely input from the output side. The lever-side clutch portion has an outer centering spring provided between a lever-side outer ring to be rotated through the lever operation and a cover restricted in rotation, for accumulating an elastic force obtained by torque input from the lever-side outer ring and for restoring the lever-side outer ring to a neutral state with the accumulated elastic force through releasing of the torque input from the lever-side outer ring. | 10-22-2015 |
| 192016000 | Clutch and brake same member | 3 |
| 20100175962 | CLUTCH UNIT - To secure abrasion resistances of a brake-side outer race and a stopper contact portion, and to reduce cost, there is provided a clutch unit including: a lever-side clutch portion for controlling transmission/interruption of rotational torque to an output side with lever operation; a brake-side clutch portion for transmitting torque input from the lever-side clutch portion to the output side and for interrupting torque reverse-input from the output side, in which: the lever-side clutch portion includes an input-side member to which torque is input with the lever operation; claw portions ( | 07-15-2010 |
| 20130327609 | CLUTCH UNIT - A brake-side clutch section on an output side transmits rotational torque input from a lever-side clutch section on an input side, for controlling transmission and interruption of the rotational torque to the output side through lever operation, to the output side, and interrupts rotational torque reversely input from the output side. The brake-side clutch section comprises: a plurality of pairs of cylindrical rollers ( | 12-12-2013 |
| 20140332334 | TWO PIECE TORQUE LIMITING CLUTCH BRAKE - A torque-limiting a clutch brake is provided for an input shaft of a vehicle transmission. The clutch brake employs wave springs in its torque-limiting feature and can largely be fabricated from sheet metal parts. | 11-13-2014 |
| 192017000 | Peripheral brake | 2 |
| 20110073435 | Centrifugal clutch - A centrifugal clutch, especially in a hand held work apparatus, such as a cut-off machine ( | 03-31-2011 |
| 20110036679 | Torque Limiting Coupling - A torque limiting coupling rotatably arranged around a longitudinal axis A has a coupling hub ( | 02-17-2011 |
| 192017000 | Electric | 1 |
| 20110073435 | Centrifugal clutch - A centrifugal clutch, especially in a hand held work apparatus, such as a cut-off machine ( | 03-31-2011 |
| 20110036679 | Torque Limiting Coupling - A torque limiting coupling rotatably arranged around a longitudinal axis A has a coupling hub ( | 02-17-2011 |
| 192017000 | Coil | 1 |
| 20110073435 | Centrifugal clutch - A centrifugal clutch, especially in a hand held work apparatus, such as a cut-off machine ( | 03-31-2011 |
| 20110036679 | Torque Limiting Coupling - A torque limiting coupling rotatably arranged around a longitudinal axis A has a coupling hub ( | 02-17-2011 |
| 192018000 | Sliding operation | 12 |
| 20080236986 | BRAKE HANDLE - A hand-guided work implement, in particular hedge clippers, is provided which includes a drive having an internal combustion engine for a cutting tool and a handle for a user's hand and at least one other handle at a distance from said one handle for the other hand of the user. A throttle lever is provided on one handle and is capable of being actuated by the user's hand, which controls the power of the drive. At least one brake lever for a starting brake of the cutting tool is provided on the at least one other handle. The starting brake can be adjusted between a brake position and a cutting position. | 10-02-2008 |
| 20110031088 | Clutch Brake - A clutch brake for use in association with a braking mechanism for braking rotation of a shaft connecting an engine to a transmission. The clutch brake includes first and second clutch brake sections having first and second lock plates. The first and second clutch brake sections are selectively configurable in a disconnected configuration and a connected configuration. The clutch brake further comprises a fastening mechanism on the first and second lock plates for fastening the first and second clutch brake sections in the connected configuration. The fastening mechanism includes a first fastening component on the first lock plate and a second fastening component on the second lock plate. The first fastening component further includes a fastener body movably mounted in an opening in the first lock plate, and a fastening arm extending from the fastener body. The fastener body is movable from a fastening position, to a release position. | 02-10-2011 |
| 20110079485 | NON-ROTATING CLUTCH AND METHOD OF INSTALLING SAME - A hybrid transmission includes a transmission housing and a motor/generator stator configured to be attached to the transmission housing. A clutch housing is configured to be attached to the motor/generator stator, such that the clutch housing is not directly attached to the transmission housing but is statically fixed. An axis of rotation defines a coordinate system having axial, radial, and clocking rotations. A first piloting feature may be formed on the clutch housing and a second piloting feature on the transmission housing. The first and second piloting features cooperate to axially and radially orient, but not attach, the clutch housing relative to the transmission housing. Third and fourth piloting features cooperate to orient the clocking rotation of the clutch housing. Stator bolts may permanently locate and attach the motor/generator stator to the transmission housing, and clutch bolts permanently locate and attach the clutch housing to the motor/generator stator. | 04-07-2011 |
| 20120138417 | PLAY-FREE CLUTCH AND/OR BRAKE - Clutch and/or brake device for a machine comprising at least an element which is axially movable along an axial shaft and at least a body for the device characterised in that the axially movable element and the device body are joined by a connection device which, since the connection device is rigid relative to torsional stress about the axial shaft between the axially movable element and the body, comprises at least a flexible element attached by one of its points to the movable axial element and by another point to said body in such a way that a relative movement between the axially movable body and the body produces bending of the flexible element. | 06-07-2012 |
| 20080264751 | Drive Configuration for Cableways and Brake and Clutch Unit Therefor - A brake and clutch unit for mounting on a main shaft of a drive configuration of a cableway, includes a drive section which can be subjected to a drive torque, a hub which can be connected in a rotationally fixed manner to the main shaft and a base section which can be fastened in a positionally fixed manner. A switchable clutch is provided between the drive section and the hub and a switchable brake is provided between the base section and the hub. The switchable clutch is constructed as a friction clutch. A drive configuration for a cableway is also provided. | 10-30-2008 |
| 20110259703 | ELECTROMAGNETIC CLUTCH WITH BRAKE - An electromagnetic clutch includes a first shaft and a rotor rotatable together around an axis, and the rotor includes a clutch friction surface. A second shaft is disposed coaxially and slidably around the first shaft and drives the rotor to rotate around the axis. An armature facing the rotor is fixed to the second shaft to be displaceable in the axial direction. The clutch further includes a coil that presses the armature against the clutch friction surface when the coil is supplied with electricity, and that releases the armature from the clutch friction surface when the coil is not supplied with electricity. A brake device is provided to continuously apply to the rotor a brake torque which is not less than a slip torque generated between the second shaft and the first shaft and less than a driving torque applied by the second shaft. | 10-27-2011 |
| 20120000742 | LAMINATED ARMATURE FOR TORQUE MODULATION OF SPRING-ENGAGED BRAKE OR CLUTCH - An electromagnetically actuated, spring loaded brake or clutch for infinitely modulating control of braking torque includes a shaft rotatable about its long axis, a rotor including a friction disk mounted on the shaft in a rotationally stable manner, a magnetic body, which can be energized to produce a magnetic force, a spring-loaded laminated armature plate assembly, with the armature plate mounted on the shaft and movable axially parallel to the long axis of the shaft by the magnetic force produced in the magnetic body against the force of its spring-loading, such that the laminations flex progressively, causing the armature assembly to effectively walk across the air gap, rather than suddenly jumping from one position to another and thus providing a soft stop, when the brake is applied, and the torque vs. power function can be modulated either by varying the number of laminations, their individual thicknesses, and/or their materials. | 01-05-2012 |
| 20130048464 | ROTATIONAL COUPLING DEVICE WITH INTEGRATED ROTOR AND BRAKE DISC - A rotational coupling device is provided with an integrated rotor and brake disc to simplify design of the device and remove liquids from the device when used in a wet environment. The rotor is configured for rotation about a rotating hub and includes a first member defining one pole of the rotor and a second member defining a second pole of the rotor and a braking surface. The second member is coupled to the first member, but axially movable relative to the first member. During clutch engagement, an electromagnetic circuit used to engage the clutch urges the second member into engagement with the first member for rotation. When the clutch is disengaged, the second member disengages from the first member to create a fluid flow path between the members and engages a brake plate to halt rotation of the rotor. | 02-28-2013 |
| 20160097430 | CLUTCH MECHANISM FOR VEHICLE - A clutch mechanism includes a first and a second rotating members, a clutch hub, a clutch drum, a plurality of friction engagement elements, a piston, a piston driving device and a sleeve. A clutch hub main body of the clutch hub is connected to the first rotating member and does not rotate relative to the first rotating member. An inner hub of the clutch hub rotates relative to the clutch hub main body. The inner hub engages with an inner peripheral side of the friction engagement elements and does not rotate relative to the friction engagement elements. The sleeve does not rotate relative to the inner hub. The sleeve moves relative to the first rotating member. The sleeve moves in conjunction with the piston to a position where the sleeve engages with the clutch hub main body and does not rotate relative to the clutch hub main body. | 04-07-2016 |
| 20090032363 | Brake Structure for a Main Shaft of a Direct Drive Torque Motor - A brake structure for a main shaft of a direct drive torque motor comprises a body, a direct drive torque motor, a main shaft and a brake assembly. The main shaft is provided for fixing the torque motor and the body, and the brake assembly is mounted between the body and the main shaft. An annular brake oil room of the brake assembly is positioned against the main shaft, and the brake seat subassembly has a thinner brake deformation wall formed between the annular brake oil room and the main shaft. The annular brake oil room utilizes its high pressure caused deformation to the brake deformation wall, thus achieving a braking effect by pressing the main shaft. Thereby, the present invention is easy to assemble, and not only can stop the main shaft quickly, but also has a greater locking force. | 02-05-2009 |
| 20100018831 | Force transmitting assembly - A force transmitting assembly 20 transmits force to engage and disengage a driven shaft 28. When the force transmitting assembly 20 is engaged, front and rear annular pressure plates 32, 34 frictionally retain a rotor 36 fixedly mounted on the shaft 28 and stops rotation of the shaft 28. The force transmitting assembly 20 maximizes torque and minimizes inertia by providing friction surfaces with friction material substantially engaging the entire working surface of the rotor 36. The force transmitting assembly includes an axially moveable housing 22 attached directly to a mounting flange 24. | 01-28-2010 |
| 20120247913 | MULTI-DISC FRICTIONAL ENGAGEMENT MECHANISM - A multi-disc frictional engagement mechanism includes driven plates and drive plates, a clutch piston including a radially extending first pressure receiving portion, a joint piston including a radially extending second pressure receiving portion and an engaging portion which is engaged with a clutch hub to engage the clutch hub and the clutch drum such that the clutch hub and the clutch drum are not relatively rotatable when the joint piston advances, a first oil chamber which causes a hydraulic pressure to act on the first pressure receiving portion, and a second oil chamber which communicates with the first oil chamber and to which the hydraulic pressure is supplied later than to the first oil chamber to act on the second pressure receiving portion when the hydraulic pressure is supplied to the first oil chamber. | 10-04-2012 |
| 192018000 | Fluid operator | 3 |
| 20080236986 | BRAKE HANDLE - A hand-guided work implement, in particular hedge clippers, is provided which includes a drive having an internal combustion engine for a cutting tool and a handle for a user's hand and at least one other handle at a distance from said one handle for the other hand of the user. A throttle lever is provided on one handle and is capable of being actuated by the user's hand, which controls the power of the drive. At least one brake lever for a starting brake of the cutting tool is provided on the at least one other handle. The starting brake can be adjusted between a brake position and a cutting position. | 10-02-2008 |
| 20110031088 | Clutch Brake - A clutch brake for use in association with a braking mechanism for braking rotation of a shaft connecting an engine to a transmission. The clutch brake includes first and second clutch brake sections having first and second lock plates. The first and second clutch brake sections are selectively configurable in a disconnected configuration and a connected configuration. The clutch brake further comprises a fastening mechanism on the first and second lock plates for fastening the first and second clutch brake sections in the connected configuration. The fastening mechanism includes a first fastening component on the first lock plate and a second fastening component on the second lock plate. The first fastening component further includes a fastener body movably mounted in an opening in the first lock plate, and a fastening arm extending from the fastener body. The fastener body is movable from a fastening position, to a release position. | 02-10-2011 |
| 20110079485 | NON-ROTATING CLUTCH AND METHOD OF INSTALLING SAME - A hybrid transmission includes a transmission housing and a motor/generator stator configured to be attached to the transmission housing. A clutch housing is configured to be attached to the motor/generator stator, such that the clutch housing is not directly attached to the transmission housing but is statically fixed. An axis of rotation defines a coordinate system having axial, radial, and clocking rotations. A first piloting feature may be formed on the clutch housing and a second piloting feature on the transmission housing. The first and second piloting features cooperate to axially and radially orient, but not attach, the clutch housing relative to the transmission housing. Third and fourth piloting features cooperate to orient the clocking rotation of the clutch housing. Stator bolts may permanently locate and attach the motor/generator stator to the transmission housing, and clutch bolts permanently locate and attach the clutch housing to the motor/generator stator. | 04-07-2011 |
| 20120138417 | PLAY-FREE CLUTCH AND/OR BRAKE - Clutch and/or brake device for a machine comprising at least an element which is axially movable along an axial shaft and at least a body for the device characterised in that the axially movable element and the device body are joined by a connection device which, since the connection device is rigid relative to torsional stress about the axial shaft between the axially movable element and the body, comprises at least a flexible element attached by one of its points to the movable axial element and by another point to said body in such a way that a relative movement between the axially movable body and the body produces bending of the flexible element. | 06-07-2012 |
| 20080264751 | Drive Configuration for Cableways and Brake and Clutch Unit Therefor - A brake and clutch unit for mounting on a main shaft of a drive configuration of a cableway, includes a drive section which can be subjected to a drive torque, a hub which can be connected in a rotationally fixed manner to the main shaft and a base section which can be fastened in a positionally fixed manner. A switchable clutch is provided between the drive section and the hub and a switchable brake is provided between the base section and the hub. The switchable clutch is constructed as a friction clutch. A drive configuration for a cableway is also provided. | 10-30-2008 |
| 20110259703 | ELECTROMAGNETIC CLUTCH WITH BRAKE - An electromagnetic clutch includes a first shaft and a rotor rotatable together around an axis, and the rotor includes a clutch friction surface. A second shaft is disposed coaxially and slidably around the first shaft and drives the rotor to rotate around the axis. An armature facing the rotor is fixed to the second shaft to be displaceable in the axial direction. The clutch further includes a coil that presses the armature against the clutch friction surface when the coil is supplied with electricity, and that releases the armature from the clutch friction surface when the coil is not supplied with electricity. A brake device is provided to continuously apply to the rotor a brake torque which is not less than a slip torque generated between the second shaft and the first shaft and less than a driving torque applied by the second shaft. | 10-27-2011 |
| 20120000742 | LAMINATED ARMATURE FOR TORQUE MODULATION OF SPRING-ENGAGED BRAKE OR CLUTCH - An electromagnetically actuated, spring loaded brake or clutch for infinitely modulating control of braking torque includes a shaft rotatable about its long axis, a rotor including a friction disk mounted on the shaft in a rotationally stable manner, a magnetic body, which can be energized to produce a magnetic force, a spring-loaded laminated armature plate assembly, with the armature plate mounted on the shaft and movable axially parallel to the long axis of the shaft by the magnetic force produced in the magnetic body against the force of its spring-loading, such that the laminations flex progressively, causing the armature assembly to effectively walk across the air gap, rather than suddenly jumping from one position to another and thus providing a soft stop, when the brake is applied, and the torque vs. power function can be modulated either by varying the number of laminations, their individual thicknesses, and/or their materials. | 01-05-2012 |
| 20130048464 | ROTATIONAL COUPLING DEVICE WITH INTEGRATED ROTOR AND BRAKE DISC - A rotational coupling device is provided with an integrated rotor and brake disc to simplify design of the device and remove liquids from the device when used in a wet environment. The rotor is configured for rotation about a rotating hub and includes a first member defining one pole of the rotor and a second member defining a second pole of the rotor and a braking surface. The second member is coupled to the first member, but axially movable relative to the first member. During clutch engagement, an electromagnetic circuit used to engage the clutch urges the second member into engagement with the first member for rotation. When the clutch is disengaged, the second member disengages from the first member to create a fluid flow path between the members and engages a brake plate to halt rotation of the rotor. | 02-28-2013 |
| 20160097430 | CLUTCH MECHANISM FOR VEHICLE - A clutch mechanism includes a first and a second rotating members, a clutch hub, a clutch drum, a plurality of friction engagement elements, a piston, a piston driving device and a sleeve. A clutch hub main body of the clutch hub is connected to the first rotating member and does not rotate relative to the first rotating member. An inner hub of the clutch hub rotates relative to the clutch hub main body. The inner hub engages with an inner peripheral side of the friction engagement elements and does not rotate relative to the friction engagement elements. The sleeve does not rotate relative to the inner hub. The sleeve moves relative to the first rotating member. The sleeve moves in conjunction with the piston to a position where the sleeve engages with the clutch hub main body and does not rotate relative to the clutch hub main body. | 04-07-2016 |
| 20090032363 | Brake Structure for a Main Shaft of a Direct Drive Torque Motor - A brake structure for a main shaft of a direct drive torque motor comprises a body, a direct drive torque motor, a main shaft and a brake assembly. The main shaft is provided for fixing the torque motor and the body, and the brake assembly is mounted between the body and the main shaft. An annular brake oil room of the brake assembly is positioned against the main shaft, and the brake seat subassembly has a thinner brake deformation wall formed between the annular brake oil room and the main shaft. The annular brake oil room utilizes its high pressure caused deformation to the brake deformation wall, thus achieving a braking effect by pressing the main shaft. Thereby, the present invention is easy to assemble, and not only can stop the main shaft quickly, but also has a greater locking force. | 02-05-2009 |
| 20100018831 | Force transmitting assembly - A force transmitting assembly 20 transmits force to engage and disengage a driven shaft 28. When the force transmitting assembly 20 is engaged, front and rear annular pressure plates 32, 34 frictionally retain a rotor 36 fixedly mounted on the shaft 28 and stops rotation of the shaft 28. The force transmitting assembly 20 maximizes torque and minimizes inertia by providing friction surfaces with friction material substantially engaging the entire working surface of the rotor 36. The force transmitting assembly includes an axially moveable housing 22 attached directly to a mounting flange 24. | 01-28-2010 |
| 20120247913 | MULTI-DISC FRICTIONAL ENGAGEMENT MECHANISM - A multi-disc frictional engagement mechanism includes driven plates and drive plates, a clutch piston including a radially extending first pressure receiving portion, a joint piston including a radially extending second pressure receiving portion and an engaging portion which is engaged with a clutch hub to engage the clutch hub and the clutch drum such that the clutch hub and the clutch drum are not relatively rotatable when the joint piston advances, a first oil chamber which causes a hydraulic pressure to act on the first pressure receiving portion, and a second oil chamber which communicates with the first oil chamber and to which the hydraulic pressure is supplied later than to the first oil chamber to act on the second pressure receiving portion when the hydraulic pressure is supplied to the first oil chamber. | 10-04-2012 |
| 192018000 | Electric and magnetic | 5 |
| 20080236986 | BRAKE HANDLE - A hand-guided work implement, in particular hedge clippers, is provided which includes a drive having an internal combustion engine for a cutting tool and a handle for a user's hand and at least one other handle at a distance from said one handle for the other hand of the user. A throttle lever is provided on one handle and is capable of being actuated by the user's hand, which controls the power of the drive. At least one brake lever for a starting brake of the cutting tool is provided on the at least one other handle. The starting brake can be adjusted between a brake position and a cutting position. | 10-02-2008 |
| 20110031088 | Clutch Brake - A clutch brake for use in association with a braking mechanism for braking rotation of a shaft connecting an engine to a transmission. The clutch brake includes first and second clutch brake sections having first and second lock plates. The first and second clutch brake sections are selectively configurable in a disconnected configuration and a connected configuration. The clutch brake further comprises a fastening mechanism on the first and second lock plates for fastening the first and second clutch brake sections in the connected configuration. The fastening mechanism includes a first fastening component on the first lock plate and a second fastening component on the second lock plate. The first fastening component further includes a fastener body movably mounted in an opening in the first lock plate, and a fastening arm extending from the fastener body. The fastener body is movable from a fastening position, to a release position. | 02-10-2011 |
| 20110079485 | NON-ROTATING CLUTCH AND METHOD OF INSTALLING SAME - A hybrid transmission includes a transmission housing and a motor/generator stator configured to be attached to the transmission housing. A clutch housing is configured to be attached to the motor/generator stator, such that the clutch housing is not directly attached to the transmission housing but is statically fixed. An axis of rotation defines a coordinate system having axial, radial, and clocking rotations. A first piloting feature may be formed on the clutch housing and a second piloting feature on the transmission housing. The first and second piloting features cooperate to axially and radially orient, but not attach, the clutch housing relative to the transmission housing. Third and fourth piloting features cooperate to orient the clocking rotation of the clutch housing. Stator bolts may permanently locate and attach the motor/generator stator to the transmission housing, and clutch bolts permanently locate and attach the clutch housing to the motor/generator stator. | 04-07-2011 |
| 20120138417 | PLAY-FREE CLUTCH AND/OR BRAKE - Clutch and/or brake device for a machine comprising at least an element which is axially movable along an axial shaft and at least a body for the device characterised in that the axially movable element and the device body are joined by a connection device which, since the connection device is rigid relative to torsional stress about the axial shaft between the axially movable element and the body, comprises at least a flexible element attached by one of its points to the movable axial element and by another point to said body in such a way that a relative movement between the axially movable body and the body produces bending of the flexible element. | 06-07-2012 |
| 20080264751 | Drive Configuration for Cableways and Brake and Clutch Unit Therefor - A brake and clutch unit for mounting on a main shaft of a drive configuration of a cableway, includes a drive section which can be subjected to a drive torque, a hub which can be connected in a rotationally fixed manner to the main shaft and a base section which can be fastened in a positionally fixed manner. A switchable clutch is provided between the drive section and the hub and a switchable brake is provided between the base section and the hub. The switchable clutch is constructed as a friction clutch. A drive configuration for a cableway is also provided. | 10-30-2008 |
| 20110259703 | ELECTROMAGNETIC CLUTCH WITH BRAKE - An electromagnetic clutch includes a first shaft and a rotor rotatable together around an axis, and the rotor includes a clutch friction surface. A second shaft is disposed coaxially and slidably around the first shaft and drives the rotor to rotate around the axis. An armature facing the rotor is fixed to the second shaft to be displaceable in the axial direction. The clutch further includes a coil that presses the armature against the clutch friction surface when the coil is supplied with electricity, and that releases the armature from the clutch friction surface when the coil is not supplied with electricity. A brake device is provided to continuously apply to the rotor a brake torque which is not less than a slip torque generated between the second shaft and the first shaft and less than a driving torque applied by the second shaft. | 10-27-2011 |
| 20120000742 | LAMINATED ARMATURE FOR TORQUE MODULATION OF SPRING-ENGAGED BRAKE OR CLUTCH - An electromagnetically actuated, spring loaded brake or clutch for infinitely modulating control of braking torque includes a shaft rotatable about its long axis, a rotor including a friction disk mounted on the shaft in a rotationally stable manner, a magnetic body, which can be energized to produce a magnetic force, a spring-loaded laminated armature plate assembly, with the armature plate mounted on the shaft and movable axially parallel to the long axis of the shaft by the magnetic force produced in the magnetic body against the force of its spring-loading, such that the laminations flex progressively, causing the armature assembly to effectively walk across the air gap, rather than suddenly jumping from one position to another and thus providing a soft stop, when the brake is applied, and the torque vs. power function can be modulated either by varying the number of laminations, their individual thicknesses, and/or their materials. | 01-05-2012 |
| 20130048464 | ROTATIONAL COUPLING DEVICE WITH INTEGRATED ROTOR AND BRAKE DISC - A rotational coupling device is provided with an integrated rotor and brake disc to simplify design of the device and remove liquids from the device when used in a wet environment. The rotor is configured for rotation about a rotating hub and includes a first member defining one pole of the rotor and a second member defining a second pole of the rotor and a braking surface. The second member is coupled to the first member, but axially movable relative to the first member. During clutch engagement, an electromagnetic circuit used to engage the clutch urges the second member into engagement with the first member for rotation. When the clutch is disengaged, the second member disengages from the first member to create a fluid flow path between the members and engages a brake plate to halt rotation of the rotor. | 02-28-2013 |
| 20160097430 | CLUTCH MECHANISM FOR VEHICLE - A clutch mechanism includes a first and a second rotating members, a clutch hub, a clutch drum, a plurality of friction engagement elements, a piston, a piston driving device and a sleeve. A clutch hub main body of the clutch hub is connected to the first rotating member and does not rotate relative to the first rotating member. An inner hub of the clutch hub rotates relative to the clutch hub main body. The inner hub engages with an inner peripheral side of the friction engagement elements and does not rotate relative to the friction engagement elements. The sleeve does not rotate relative to the inner hub. The sleeve moves relative to the first rotating member. The sleeve moves in conjunction with the piston to a position where the sleeve engages with the clutch hub main body and does not rotate relative to the clutch hub main body. | 04-07-2016 |
| 20090032363 | Brake Structure for a Main Shaft of a Direct Drive Torque Motor - A brake structure for a main shaft of a direct drive torque motor comprises a body, a direct drive torque motor, a main shaft and a brake assembly. The main shaft is provided for fixing the torque motor and the body, and the brake assembly is mounted between the body and the main shaft. An annular brake oil room of the brake assembly is positioned against the main shaft, and the brake seat subassembly has a thinner brake deformation wall formed between the annular brake oil room and the main shaft. The annular brake oil room utilizes its high pressure caused deformation to the brake deformation wall, thus achieving a braking effect by pressing the main shaft. Thereby, the present invention is easy to assemble, and not only can stop the main shaft quickly, but also has a greater locking force. | 02-05-2009 |
| 20100018831 | Force transmitting assembly - A force transmitting assembly 20 transmits force to engage and disengage a driven shaft 28. When the force transmitting assembly 20 is engaged, front and rear annular pressure plates 32, 34 frictionally retain a rotor 36 fixedly mounted on the shaft 28 and stops rotation of the shaft 28. The force transmitting assembly 20 maximizes torque and minimizes inertia by providing friction surfaces with friction material substantially engaging the entire working surface of the rotor 36. The force transmitting assembly includes an axially moveable housing 22 attached directly to a mounting flange 24. | 01-28-2010 |
| 20120247913 | MULTI-DISC FRICTIONAL ENGAGEMENT MECHANISM - A multi-disc frictional engagement mechanism includes driven plates and drive plates, a clutch piston including a radially extending first pressure receiving portion, a joint piston including a radially extending second pressure receiving portion and an engaging portion which is engaged with a clutch hub to engage the clutch hub and the clutch drum such that the clutch hub and the clutch drum are not relatively rotatable when the joint piston advances, a first oil chamber which causes a hydraulic pressure to act on the first pressure receiving portion, and a second oil chamber which communicates with the first oil chamber and to which the hydraulic pressure is supplied later than to the first oil chamber to act on the second pressure receiving portion when the hydraulic pressure is supplied to the first oil chamber. | 10-04-2012 |
| 192012000 | Internal resistance | 1 |
| 20090266670 | MAGNETO-RHEOLOGICAL BRAKE-CLUTCH APPARATUSES AND METHODS - Magneto-rheological brake-clutch apparatuses and methods are provided. According to one aspect, a magneto-rheological brake-clutch can include a drive member and a driven member spaced from the drive member with a gap defined between the drive and driven members. A first quantity of MR fluid can be disposed in the gap. A brake assembly can define a chamber having a second quantity of MR fluid disposed therein and having a braking structure positioned in the chamber and connected to the driven member. A magnetic field generation assembly can be configured to selectively apply a magnetic field to the first quantity of MR fluid for controlling engagement of the driven member with the drive member. The assembly can be configured to selectively apply a magnetic field to the second quantity of MR fluid for controlling engagement of the braking structure with the brake assembly to brake the driven member. A magnet can be used and selectively positioned for applying a magnetic field to the first and second quantities of MR fluid. | 10-29-2009 |
| 20110290614 | Construction Machine, As Well As Clutch For Switching The Power Flow - Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements. | 12-01-2011 |
| 20150330490 | TORQUE LIMITER - A torque limiter comprising: a ramp roller, said ramp roller comprising: an input ramp roller element arranged to be driven by an input torque and having a first ramp surface; an output ramp roller element arranged to drive an output torque shaft and having a second ramp surface; ramp roller balls disposed between the first ramp surface and the second ramp surface; wherein said output ramp roller element is axially and resiliently compressible and wherein an overtorque condition causes axial compression of said output ramp roller element. This arrangement removes all axially sliding friction surfaces from the torque limiter so that the torque bandwidth is reduced, allowing manufacturers to design structures more optimally. | 11-19-2015 |
| 20090078528 | DRUM ROTATING APPARATUS FOR USE ON CONSTRUCTION MACHINES - A support member which is securely fixed to a truck frame is constituted by a tubular body portion and a lid portion. A couple of dry electromagnetic brakes are located in a brake accommodation room within the tubular body portion. The support member is assembled with an electric motor. A drum member which accommodates a planetary reduction gear mechanism is rotatably mounted on the outer periphery of the support member through bearings. A floating seal is provided between the support member and the drum member, and a seal ring ( | 03-26-2009 |
| 20090250307 | DUAL APPLY CLUTCH APPARATUS FOR COMPACT ELECTRO-MECHANICAL TRANSMISSION - An actuator assembly for selectively actuating a clutch includes a first actuator ring that is moveable between a first axial position and a second axial position along a rotational axis of the clutch, and a second actuator ring that is slidably received within the first actuator ring, and that is moveable between a third axial position and a fourth axial position by the first actuator ring. The first actuator ring receives a first actuation force, and when in the second axial position, transfers the first actuation force to the second actuator ring. The second actuator ring selectively receives the first actuation force and a second actuation force, and when in the fourth axial position, transfers one of the first and second actuation forces to the clutch. The actuator assembly is included with a transmission and actuates a clutch that provides an input to a planetary gear set of the transmission. | 10-08-2009 |
| 20120247912 | ELECTROMAGNETIC-CLUTCH ROTATION STOPPING STRUCTURE - An axially short electromagnetic-clutch rotation stopping structure for use with a phase varying apparatus ( | 10-04-2012 |
| 20130306430 | ELASTIC ROTARY ACTUATORS - Elastic rotary actuators are provided having breaking units arranged in such a way as to apply on an output member an adjustable braking torque in order to introduce adjustable damping between an input member and the output member in parallel to elastic members. | 11-21-2013 |
| 20150060229 | ELECTROMAGNETIC CLUTCH - An electromagnetic clutch includes a first rotation transmission portion, annular field core, rotation stop member, second rotation transmission portion, armature, and spring member. The annular field core is supported by the first rotation transmission portion via a first bearing. The first bearing is housed in a hollow portion of the field core and fitted on an inner circumferential surface of the field core. The rotation stop member includes a flat portion which is fixed to an end of the field core on a side opposite to the armature. The flat portion is formed integrally with a retaining piece which projects toward the hollow portion of the field core and faces the first bearing when viewed from the axial direction of the field core. | 03-05-2015 |
| 20160201747 | FREQUENCY-VARIABLE HAND RUBBED-TYPE MOTOR SPEED REDUCTION CLUTCH APPARATUS, AND WASHING MACHINE | 07-14-2016 |
| 20080308381 | Clutch brake assembly - A clutch-brake assembly transmits force to rotate a shaft and to retain the shaft against rotation. The assembly includes a plurality of force transmitting members which transmit force between a piston and a base member. A plurality of springs urge the piston to move relative to the base member. A plurality of spring retainers are disposed between the base member and the piston. Each of the spring retainers includes a plurality of projecting portions extending from the base portion. Each of the springs is telescopically disposed on one of the projecting portions. Each of the force transmitting members is disposed between adjacent spring retainers. | 12-18-2008 |
| 20090107796 | HYDRAULIC CONTROL SYSTEM OF EIGHT-SPEED AUTOMATIC TRANSMISSION FOR A VEHICLE - A hydraulic control system of an eight-speed automatic transmission for a vehicle. Four clutches and two brakes can by independently controlled by six proportional control solenoid valves by employing pressure control valves and pressure switching valves. | 04-30-2009 |
| 20100018829 | TORQUE TRANSMITTING DEVICE ACTUATION SYSTEM USING A PIEZOELECTRIC PUMP - A hydraulic control system for actuating a torque transmitting device in a transmission includes a sump for receiving a hydraulic fluid and a piezoelectric pump for pumping the hydraulic fluid from the sump to the torque transmitting device. A first fluid flow path communicates the hydraulic fluid from the sump to the piezoelectric pump and a second fluid flow path communicates the hydraulic fluid from the piezoelectric pump to the torque transmitting device. An exhaust means selectively communicates the hydraulic fluid from the torque transmitting device to the sump. | 01-28-2010 |
| 20120090950 | HYDRAULIC CONTROL SYSTEM OF AUTOMATIC TRANSMISSION FOR HYBRID VEHICLE - A hydraulic control system of an automatic transmission for a hybrid vehicle provides for simplifying structure of a valve body and improving responsiveness as a consequence of directly controlling hydraulic pressure supplied to friction elements. The hydraulic control system may operate first and second clutches and first and second brakes selectively according to each driving mode, and may include: a first proportional control solenoid valve for selectively supplying forward pressure and reverse pressure supplied from a manual valve to the first clutch; a second proportional control solenoid valve for selectively supplying line pressure supplied from a primary regulator valve to the second clutch; a third proportional control solenoid valve for selectively supplying the line pressure supplied from the primary regulator valve to the first brake; and a fourth proportional control solenoid valve for selectively supplying the forward pressure supplied from the manual valve to the second brake. | 04-19-2012 |
| 20140001007 | ROTARY DAMPER DEVICE AND METHOD FOR PRODUCING SAME | 01-02-2014 |
| 20090194385 | Positive-Fit Freewheel Mechanism That Can Be Electromechanically Actuated, Electromechanical Brake With A Freewheel Mechanism Of This Type For A Motor Vehicle and Method For Adjusting The Play In A Brake Of This Type - The invention relates to an electromechanically switchable form-locking freewheel mechanism for preventing an electromechanical brake from releasing. According to the invention, the freewheel mechanism is embodied in the form of an electric motor in which a pivot angle of the armature is limited, the armature is counterbalanced and has a locking element that cooperates with a gear. The invention permits a compactly designed freewheel mechanism that can be integrated into an electromechanical actuating unit of the electromechanical brake. The counterbalancing of the armature equipped with the locking element prevents external accelerations of the freewheel mechanism of the kind that can occur during driving operation of a motor vehicle from exerting a moment on the armature that could switch off the freewheel mechanism. A method for adjusting the clearance of an electromechanical brake is also provided. | 08-06-2009 |
| 20090266669 | Transmission arrangement - A transmission arrangement is described, particularly for a power take-off transmission. The transmission arrangement comprises a transmission housing, an output shaft for driving an implement, a drive component for driving the output shaft, a clutch arranged between the output shaft and the drive component for transmitting a torque, a brake device for braking or locking the output shaft in relation to the transmission housing, an annular piston which is supported so that it is axially displaceable on the output shaft and which in a first position serves to actuate the clutch and in a second position actuates the brake device, and a freewheel device, which allows the output shaft to be rotated over a limited part of its circumference whilst in a locked state. In order to improve such a transmission arrangement, according to the invention the freewheel device, comprises at last one freewheel element, which is arranged radially in relation to the output shaft between the output shaft and the annular piston and which is firmly connected to the output shaft or to the annular piston and extends radially into at least one recess, formed on the annular piston) and/or on the drive shaft and extending over a limited part of the circumference. | 10-29-2009 |
| 20080277235 | TORQUE TRANSFER MECHANISM - The present invention discloses and claims a torque transfer mechanism. The torque transfer mechanism connects an input shaft to an output shaft to transmit rotation and torque in either direction from the input shaft to the output shaft. The torque transfer mechanism also inhibits the transmission of rotation and torque in at least one direction from the output shaft to the input shaft. In alternate embodiments, the torque transfer mechanism may transmit rotation and torque in one direction from the output shaft to the input shaft. In still further embodiments, the torque transfer mechanism may inhibit the transmission of rotation and torque in either direction from the output shaft to the input shaft. | 11-13-2008 |
| 192012000 | One-way engaging | 3 |
| 20090266670 | MAGNETO-RHEOLOGICAL BRAKE-CLUTCH APPARATUSES AND METHODS - Magneto-rheological brake-clutch apparatuses and methods are provided. According to one aspect, a magneto-rheological brake-clutch can include a drive member and a driven member spaced from the drive member with a gap defined between the drive and driven members. A first quantity of MR fluid can be disposed in the gap. A brake assembly can define a chamber having a second quantity of MR fluid disposed therein and having a braking structure positioned in the chamber and connected to the driven member. A magnetic field generation assembly can be configured to selectively apply a magnetic field to the first quantity of MR fluid for controlling engagement of the driven member with the drive member. The assembly can be configured to selectively apply a magnetic field to the second quantity of MR fluid for controlling engagement of the braking structure with the brake assembly to brake the driven member. A magnet can be used and selectively positioned for applying a magnetic field to the first and second quantities of MR fluid. | 10-29-2009 |
| 20110290614 | Construction Machine, As Well As Clutch For Switching The Power Flow - Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements. | 12-01-2011 |
| 20150330490 | TORQUE LIMITER - A torque limiter comprising: a ramp roller, said ramp roller comprising: an input ramp roller element arranged to be driven by an input torque and having a first ramp surface; an output ramp roller element arranged to drive an output torque shaft and having a second ramp surface; ramp roller balls disposed between the first ramp surface and the second ramp surface; wherein said output ramp roller element is axially and resiliently compressible and wherein an overtorque condition causes axial compression of said output ramp roller element. This arrangement removes all axially sliding friction surfaces from the torque limiter so that the torque bandwidth is reduced, allowing manufacturers to design structures more optimally. | 11-19-2015 |
| 20090078528 | DRUM ROTATING APPARATUS FOR USE ON CONSTRUCTION MACHINES - A support member which is securely fixed to a truck frame is constituted by a tubular body portion and a lid portion. A couple of dry electromagnetic brakes are located in a brake accommodation room within the tubular body portion. The support member is assembled with an electric motor. A drum member which accommodates a planetary reduction gear mechanism is rotatably mounted on the outer periphery of the support member through bearings. A floating seal is provided between the support member and the drum member, and a seal ring ( | 03-26-2009 |
| 20090250307 | DUAL APPLY CLUTCH APPARATUS FOR COMPACT ELECTRO-MECHANICAL TRANSMISSION - An actuator assembly for selectively actuating a clutch includes a first actuator ring that is moveable between a first axial position and a second axial position along a rotational axis of the clutch, and a second actuator ring that is slidably received within the first actuator ring, and that is moveable between a third axial position and a fourth axial position by the first actuator ring. The first actuator ring receives a first actuation force, and when in the second axial position, transfers the first actuation force to the second actuator ring. The second actuator ring selectively receives the first actuation force and a second actuation force, and when in the fourth axial position, transfers one of the first and second actuation forces to the clutch. The actuator assembly is included with a transmission and actuates a clutch that provides an input to a planetary gear set of the transmission. | 10-08-2009 |
| 20120247912 | ELECTROMAGNETIC-CLUTCH ROTATION STOPPING STRUCTURE - An axially short electromagnetic-clutch rotation stopping structure for use with a phase varying apparatus ( | 10-04-2012 |
| 20130306430 | ELASTIC ROTARY ACTUATORS - Elastic rotary actuators are provided having breaking units arranged in such a way as to apply on an output member an adjustable braking torque in order to introduce adjustable damping between an input member and the output member in parallel to elastic members. | 11-21-2013 |
| 20150060229 | ELECTROMAGNETIC CLUTCH - An electromagnetic clutch includes a first rotation transmission portion, annular field core, rotation stop member, second rotation transmission portion, armature, and spring member. The annular field core is supported by the first rotation transmission portion via a first bearing. The first bearing is housed in a hollow portion of the field core and fitted on an inner circumferential surface of the field core. The rotation stop member includes a flat portion which is fixed to an end of the field core on a side opposite to the armature. The flat portion is formed integrally with a retaining piece which projects toward the hollow portion of the field core and faces the first bearing when viewed from the axial direction of the field core. | 03-05-2015 |
| 20160201747 | FREQUENCY-VARIABLE HAND RUBBED-TYPE MOTOR SPEED REDUCTION CLUTCH APPARATUS, AND WASHING MACHINE | 07-14-2016 |
| 20080308381 | Clutch brake assembly - A clutch-brake assembly transmits force to rotate a shaft and to retain the shaft against rotation. The assembly includes a plurality of force transmitting members which transmit force between a piston and a base member. A plurality of springs urge the piston to move relative to the base member. A plurality of spring retainers are disposed between the base member and the piston. Each of the spring retainers includes a plurality of projecting portions extending from the base portion. Each of the springs is telescopically disposed on one of the projecting portions. Each of the force transmitting members is disposed between adjacent spring retainers. | 12-18-2008 |
| 20090107796 | HYDRAULIC CONTROL SYSTEM OF EIGHT-SPEED AUTOMATIC TRANSMISSION FOR A VEHICLE - A hydraulic control system of an eight-speed automatic transmission for a vehicle. Four clutches and two brakes can by independently controlled by six proportional control solenoid valves by employing pressure control valves and pressure switching valves. | 04-30-2009 |
| 20100018829 | TORQUE TRANSMITTING DEVICE ACTUATION SYSTEM USING A PIEZOELECTRIC PUMP - A hydraulic control system for actuating a torque transmitting device in a transmission includes a sump for receiving a hydraulic fluid and a piezoelectric pump for pumping the hydraulic fluid from the sump to the torque transmitting device. A first fluid flow path communicates the hydraulic fluid from the sump to the piezoelectric pump and a second fluid flow path communicates the hydraulic fluid from the piezoelectric pump to the torque transmitting device. An exhaust means selectively communicates the hydraulic fluid from the torque transmitting device to the sump. | 01-28-2010 |
| 20120090950 | HYDRAULIC CONTROL SYSTEM OF AUTOMATIC TRANSMISSION FOR HYBRID VEHICLE - A hydraulic control system of an automatic transmission for a hybrid vehicle provides for simplifying structure of a valve body and improving responsiveness as a consequence of directly controlling hydraulic pressure supplied to friction elements. The hydraulic control system may operate first and second clutches and first and second brakes selectively according to each driving mode, and may include: a first proportional control solenoid valve for selectively supplying forward pressure and reverse pressure supplied from a manual valve to the first clutch; a second proportional control solenoid valve for selectively supplying line pressure supplied from a primary regulator valve to the second clutch; a third proportional control solenoid valve for selectively supplying the line pressure supplied from the primary regulator valve to the first brake; and a fourth proportional control solenoid valve for selectively supplying the forward pressure supplied from the manual valve to the second brake. | 04-19-2012 |
| 20140001007 | ROTARY DAMPER DEVICE AND METHOD FOR PRODUCING SAME | 01-02-2014 |
| 20090194385 | Positive-Fit Freewheel Mechanism That Can Be Electromechanically Actuated, Electromechanical Brake With A Freewheel Mechanism Of This Type For A Motor Vehicle and Method For Adjusting The Play In A Brake Of This Type - The invention relates to an electromechanically switchable form-locking freewheel mechanism for preventing an electromechanical brake from releasing. According to the invention, the freewheel mechanism is embodied in the form of an electric motor in which a pivot angle of the armature is limited, the armature is counterbalanced and has a locking element that cooperates with a gear. The invention permits a compactly designed freewheel mechanism that can be integrated into an electromechanical actuating unit of the electromechanical brake. The counterbalancing of the armature equipped with the locking element prevents external accelerations of the freewheel mechanism of the kind that can occur during driving operation of a motor vehicle from exerting a moment on the armature that could switch off the freewheel mechanism. A method for adjusting the clearance of an electromechanical brake is also provided. | 08-06-2009 |
| 20090266669 | Transmission arrangement - A transmission arrangement is described, particularly for a power take-off transmission. The transmission arrangement comprises a transmission housing, an output shaft for driving an implement, a drive component for driving the output shaft, a clutch arranged between the output shaft and the drive component for transmitting a torque, a brake device for braking or locking the output shaft in relation to the transmission housing, an annular piston which is supported so that it is axially displaceable on the output shaft and which in a first position serves to actuate the clutch and in a second position actuates the brake device, and a freewheel device, which allows the output shaft to be rotated over a limited part of its circumference whilst in a locked state. In order to improve such a transmission arrangement, according to the invention the freewheel device, comprises at last one freewheel element, which is arranged radially in relation to the output shaft between the output shaft and the annular piston and which is firmly connected to the output shaft or to the annular piston and extends radially into at least one recess, formed on the annular piston) and/or on the drive shaft and extending over a limited part of the circumference. | 10-29-2009 |
| 20080277235 | TORQUE TRANSFER MECHANISM - The present invention discloses and claims a torque transfer mechanism. The torque transfer mechanism connects an input shaft to an output shaft to transmit rotation and torque in either direction from the input shaft to the output shaft. The torque transfer mechanism also inhibits the transmission of rotation and torque in at least one direction from the output shaft to the input shaft. In alternate embodiments, the torque transfer mechanism may transmit rotation and torque in one direction from the output shaft to the input shaft. In still further embodiments, the torque transfer mechanism may inhibit the transmission of rotation and torque in either direction from the output shaft to the input shaft. | 11-13-2008 |
| 192012000 | Coil spring type | 1 |
| 20090266670 | MAGNETO-RHEOLOGICAL BRAKE-CLUTCH APPARATUSES AND METHODS - Magneto-rheological brake-clutch apparatuses and methods are provided. According to one aspect, a magneto-rheological brake-clutch can include a drive member and a driven member spaced from the drive member with a gap defined between the drive and driven members. A first quantity of MR fluid can be disposed in the gap. A brake assembly can define a chamber having a second quantity of MR fluid disposed therein and having a braking structure positioned in the chamber and connected to the driven member. A magnetic field generation assembly can be configured to selectively apply a magnetic field to the first quantity of MR fluid for controlling engagement of the driven member with the drive member. The assembly can be configured to selectively apply a magnetic field to the second quantity of MR fluid for controlling engagement of the braking structure with the brake assembly to brake the driven member. A magnet can be used and selectively positioned for applying a magnetic field to the first and second quantities of MR fluid. | 10-29-2009 |
| 20110290614 | Construction Machine, As Well As Clutch For Switching The Power Flow - Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements. | 12-01-2011 |
| 20150330490 | TORQUE LIMITER - A torque limiter comprising: a ramp roller, said ramp roller comprising: an input ramp roller element arranged to be driven by an input torque and having a first ramp surface; an output ramp roller element arranged to drive an output torque shaft and having a second ramp surface; ramp roller balls disposed between the first ramp surface and the second ramp surface; wherein said output ramp roller element is axially and resiliently compressible and wherein an overtorque condition causes axial compression of said output ramp roller element. This arrangement removes all axially sliding friction surfaces from the torque limiter so that the torque bandwidth is reduced, allowing manufacturers to design structures more optimally. | 11-19-2015 |
| 20090078528 | DRUM ROTATING APPARATUS FOR USE ON CONSTRUCTION MACHINES - A support member which is securely fixed to a truck frame is constituted by a tubular body portion and a lid portion. A couple of dry electromagnetic brakes are located in a brake accommodation room within the tubular body portion. The support member is assembled with an electric motor. A drum member which accommodates a planetary reduction gear mechanism is rotatably mounted on the outer periphery of the support member through bearings. A floating seal is provided between the support member and the drum member, and a seal ring ( | 03-26-2009 |
| 20090250307 | DUAL APPLY CLUTCH APPARATUS FOR COMPACT ELECTRO-MECHANICAL TRANSMISSION - An actuator assembly for selectively actuating a clutch includes a first actuator ring that is moveable between a first axial position and a second axial position along a rotational axis of the clutch, and a second actuator ring that is slidably received within the first actuator ring, and that is moveable between a third axial position and a fourth axial position by the first actuator ring. The first actuator ring receives a first actuation force, and when in the second axial position, transfers the first actuation force to the second actuator ring. The second actuator ring selectively receives the first actuation force and a second actuation force, and when in the fourth axial position, transfers one of the first and second actuation forces to the clutch. The actuator assembly is included with a transmission and actuates a clutch that provides an input to a planetary gear set of the transmission. | 10-08-2009 |
| 20120247912 | ELECTROMAGNETIC-CLUTCH ROTATION STOPPING STRUCTURE - An axially short electromagnetic-clutch rotation stopping structure for use with a phase varying apparatus ( | 10-04-2012 |
| 20130306430 | ELASTIC ROTARY ACTUATORS - Elastic rotary actuators are provided having breaking units arranged in such a way as to apply on an output member an adjustable braking torque in order to introduce adjustable damping between an input member and the output member in parallel to elastic members. | 11-21-2013 |
| 20150060229 | ELECTROMAGNETIC CLUTCH - An electromagnetic clutch includes a first rotation transmission portion, annular field core, rotation stop member, second rotation transmission portion, armature, and spring member. The annular field core is supported by the first rotation transmission portion via a first bearing. The first bearing is housed in a hollow portion of the field core and fitted on an inner circumferential surface of the field core. The rotation stop member includes a flat portion which is fixed to an end of the field core on a side opposite to the armature. The flat portion is formed integrally with a retaining piece which projects toward the hollow portion of the field core and faces the first bearing when viewed from the axial direction of the field core. | 03-05-2015 |
| 20160201747 | FREQUENCY-VARIABLE HAND RUBBED-TYPE MOTOR SPEED REDUCTION CLUTCH APPARATUS, AND WASHING MACHINE | 07-14-2016 |
| 20080308381 | Clutch brake assembly - A clutch-brake assembly transmits force to rotate a shaft and to retain the shaft against rotation. The assembly includes a plurality of force transmitting members which transmit force between a piston and a base member. A plurality of springs urge the piston to move relative to the base member. A plurality of spring retainers are disposed between the base member and the piston. Each of the spring retainers includes a plurality of projecting portions extending from the base portion. Each of the springs is telescopically disposed on one of the projecting portions. Each of the force transmitting members is disposed between adjacent spring retainers. | 12-18-2008 |
| 20090107796 | HYDRAULIC CONTROL SYSTEM OF EIGHT-SPEED AUTOMATIC TRANSMISSION FOR A VEHICLE - A hydraulic control system of an eight-speed automatic transmission for a vehicle. Four clutches and two brakes can by independently controlled by six proportional control solenoid valves by employing pressure control valves and pressure switching valves. | 04-30-2009 |
| 20100018829 | TORQUE TRANSMITTING DEVICE ACTUATION SYSTEM USING A PIEZOELECTRIC PUMP - A hydraulic control system for actuating a torque transmitting device in a transmission includes a sump for receiving a hydraulic fluid and a piezoelectric pump for pumping the hydraulic fluid from the sump to the torque transmitting device. A first fluid flow path communicates the hydraulic fluid from the sump to the piezoelectric pump and a second fluid flow path communicates the hydraulic fluid from the piezoelectric pump to the torque transmitting device. An exhaust means selectively communicates the hydraulic fluid from the torque transmitting device to the sump. | 01-28-2010 |
| 20120090950 | HYDRAULIC CONTROL SYSTEM OF AUTOMATIC TRANSMISSION FOR HYBRID VEHICLE - A hydraulic control system of an automatic transmission for a hybrid vehicle provides for simplifying structure of a valve body and improving responsiveness as a consequence of directly controlling hydraulic pressure supplied to friction elements. The hydraulic control system may operate first and second clutches and first and second brakes selectively according to each driving mode, and may include: a first proportional control solenoid valve for selectively supplying forward pressure and reverse pressure supplied from a manual valve to the first clutch; a second proportional control solenoid valve for selectively supplying line pressure supplied from a primary regulator valve to the second clutch; a third proportional control solenoid valve for selectively supplying the line pressure supplied from the primary regulator valve to the first brake; and a fourth proportional control solenoid valve for selectively supplying the forward pressure supplied from the manual valve to the second brake. | 04-19-2012 |
| 20140001007 | ROTARY DAMPER DEVICE AND METHOD FOR PRODUCING SAME | 01-02-2014 |
| 20090194385 | Positive-Fit Freewheel Mechanism That Can Be Electromechanically Actuated, Electromechanical Brake With A Freewheel Mechanism Of This Type For A Motor Vehicle and Method For Adjusting The Play In A Brake Of This Type - The invention relates to an electromechanically switchable form-locking freewheel mechanism for preventing an electromechanical brake from releasing. According to the invention, the freewheel mechanism is embodied in the form of an electric motor in which a pivot angle of the armature is limited, the armature is counterbalanced and has a locking element that cooperates with a gear. The invention permits a compactly designed freewheel mechanism that can be integrated into an electromechanical actuating unit of the electromechanical brake. The counterbalancing of the armature equipped with the locking element prevents external accelerations of the freewheel mechanism of the kind that can occur during driving operation of a motor vehicle from exerting a moment on the armature that could switch off the freewheel mechanism. A method for adjusting the clearance of an electromechanical brake is also provided. | 08-06-2009 |
| 20090266669 | Transmission arrangement - A transmission arrangement is described, particularly for a power take-off transmission. The transmission arrangement comprises a transmission housing, an output shaft for driving an implement, a drive component for driving the output shaft, a clutch arranged between the output shaft and the drive component for transmitting a torque, a brake device for braking or locking the output shaft in relation to the transmission housing, an annular piston which is supported so that it is axially displaceable on the output shaft and which in a first position serves to actuate the clutch and in a second position actuates the brake device, and a freewheel device, which allows the output shaft to be rotated over a limited part of its circumference whilst in a locked state. In order to improve such a transmission arrangement, according to the invention the freewheel device, comprises at last one freewheel element, which is arranged radially in relation to the output shaft between the output shaft and the annular piston and which is firmly connected to the output shaft or to the annular piston and extends radially into at least one recess, formed on the annular piston) and/or on the drive shaft and extending over a limited part of the circumference. | 10-29-2009 |
| 20080277235 | TORQUE TRANSFER MECHANISM - The present invention discloses and claims a torque transfer mechanism. The torque transfer mechanism connects an input shaft to an output shaft to transmit rotation and torque in either direction from the input shaft to the output shaft. The torque transfer mechanism also inhibits the transmission of rotation and torque in at least one direction from the output shaft to the input shaft. In alternate embodiments, the torque transfer mechanism may transmit rotation and torque in one direction from the output shaft to the input shaft. In still further embodiments, the torque transfer mechanism may inhibit the transmission of rotation and torque in either direction from the output shaft to the input shaft. | 11-13-2008 |
| 192012000 | Fluid operator | 4 |
| 20090266670 | MAGNETO-RHEOLOGICAL BRAKE-CLUTCH APPARATUSES AND METHODS - Magneto-rheological brake-clutch apparatuses and methods are provided. According to one aspect, a magneto-rheological brake-clutch can include a drive member and a driven member spaced from the drive member with a gap defined between the drive and driven members. A first quantity of MR fluid can be disposed in the gap. A brake assembly can define a chamber having a second quantity of MR fluid disposed therein and having a braking structure positioned in the chamber and connected to the driven member. A magnetic field generation assembly can be configured to selectively apply a magnetic field to the first quantity of MR fluid for controlling engagement of the driven member with the drive member. The assembly can be configured to selectively apply a magnetic field to the second quantity of MR fluid for controlling engagement of the braking structure with the brake assembly to brake the driven member. A magnet can be used and selectively positioned for applying a magnetic field to the first and second quantities of MR fluid. | 10-29-2009 |
| 20110290614 | Construction Machine, As Well As Clutch For Switching The Power Flow - Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements. | 12-01-2011 |
| 20150330490 | TORQUE LIMITER - A torque limiter comprising: a ramp roller, said ramp roller comprising: an input ramp roller element arranged to be driven by an input torque and having a first ramp surface; an output ramp roller element arranged to drive an output torque shaft and having a second ramp surface; ramp roller balls disposed between the first ramp surface and the second ramp surface; wherein said output ramp roller element is axially and resiliently compressible and wherein an overtorque condition causes axial compression of said output ramp roller element. This arrangement removes all axially sliding friction surfaces from the torque limiter so that the torque bandwidth is reduced, allowing manufacturers to design structures more optimally. | 11-19-2015 |
| 20090078528 | DRUM ROTATING APPARATUS FOR USE ON CONSTRUCTION MACHINES - A support member which is securely fixed to a truck frame is constituted by a tubular body portion and a lid portion. A couple of dry electromagnetic brakes are located in a brake accommodation room within the tubular body portion. The support member is assembled with an electric motor. A drum member which accommodates a planetary reduction gear mechanism is rotatably mounted on the outer periphery of the support member through bearings. A floating seal is provided between the support member and the drum member, and a seal ring ( | 03-26-2009 |
| 20090250307 | DUAL APPLY CLUTCH APPARATUS FOR COMPACT ELECTRO-MECHANICAL TRANSMISSION - An actuator assembly for selectively actuating a clutch includes a first actuator ring that is moveable between a first axial position and a second axial position along a rotational axis of the clutch, and a second actuator ring that is slidably received within the first actuator ring, and that is moveable between a third axial position and a fourth axial position by the first actuator ring. The first actuator ring receives a first actuation force, and when in the second axial position, transfers the first actuation force to the second actuator ring. The second actuator ring selectively receives the first actuation force and a second actuation force, and when in the fourth axial position, transfers one of the first and second actuation forces to the clutch. The actuator assembly is included with a transmission and actuates a clutch that provides an input to a planetary gear set of the transmission. | 10-08-2009 |
| 20120247912 | ELECTROMAGNETIC-CLUTCH ROTATION STOPPING STRUCTURE - An axially short electromagnetic-clutch rotation stopping structure for use with a phase varying apparatus ( | 10-04-2012 |
| 20130306430 | ELASTIC ROTARY ACTUATORS - Elastic rotary actuators are provided having breaking units arranged in such a way as to apply on an output member an adjustable braking torque in order to introduce adjustable damping between an input member and the output member in parallel to elastic members. | 11-21-2013 |
| 20150060229 | ELECTROMAGNETIC CLUTCH - An electromagnetic clutch includes a first rotation transmission portion, annular field core, rotation stop member, second rotation transmission portion, armature, and spring member. The annular field core is supported by the first rotation transmission portion via a first bearing. The first bearing is housed in a hollow portion of the field core and fitted on an inner circumferential surface of the field core. The rotation stop member includes a flat portion which is fixed to an end of the field core on a side opposite to the armature. The flat portion is formed integrally with a retaining piece which projects toward the hollow portion of the field core and faces the first bearing when viewed from the axial direction of the field core. | 03-05-2015 |
| 20160201747 | FREQUENCY-VARIABLE HAND RUBBED-TYPE MOTOR SPEED REDUCTION CLUTCH APPARATUS, AND WASHING MACHINE | 07-14-2016 |
| 20080308381 | Clutch brake assembly - A clutch-brake assembly transmits force to rotate a shaft and to retain the shaft against rotation. The assembly includes a plurality of force transmitting members which transmit force between a piston and a base member. A plurality of springs urge the piston to move relative to the base member. A plurality of spring retainers are disposed between the base member and the piston. Each of the spring retainers includes a plurality of projecting portions extending from the base portion. Each of the springs is telescopically disposed on one of the projecting portions. Each of the force transmitting members is disposed between adjacent spring retainers. | 12-18-2008 |
| 20090107796 | HYDRAULIC CONTROL SYSTEM OF EIGHT-SPEED AUTOMATIC TRANSMISSION FOR A VEHICLE - A hydraulic control system of an eight-speed automatic transmission for a vehicle. Four clutches and two brakes can by independently controlled by six proportional control solenoid valves by employing pressure control valves and pressure switching valves. | 04-30-2009 |
| 20100018829 | TORQUE TRANSMITTING DEVICE ACTUATION SYSTEM USING A PIEZOELECTRIC PUMP - A hydraulic control system for actuating a torque transmitting device in a transmission includes a sump for receiving a hydraulic fluid and a piezoelectric pump for pumping the hydraulic fluid from the sump to the torque transmitting device. A first fluid flow path communicates the hydraulic fluid from the sump to the piezoelectric pump and a second fluid flow path communicates the hydraulic fluid from the piezoelectric pump to the torque transmitting device. An exhaust means selectively communicates the hydraulic fluid from the torque transmitting device to the sump. | 01-28-2010 |
| 20120090950 | HYDRAULIC CONTROL SYSTEM OF AUTOMATIC TRANSMISSION FOR HYBRID VEHICLE - A hydraulic control system of an automatic transmission for a hybrid vehicle provides for simplifying structure of a valve body and improving responsiveness as a consequence of directly controlling hydraulic pressure supplied to friction elements. The hydraulic control system may operate first and second clutches and first and second brakes selectively according to each driving mode, and may include: a first proportional control solenoid valve for selectively supplying forward pressure and reverse pressure supplied from a manual valve to the first clutch; a second proportional control solenoid valve for selectively supplying line pressure supplied from a primary regulator valve to the second clutch; a third proportional control solenoid valve for selectively supplying the line pressure supplied from the primary regulator valve to the first brake; and a fourth proportional control solenoid valve for selectively supplying the forward pressure supplied from the manual valve to the second brake. | 04-19-2012 |
| 20140001007 | ROTARY DAMPER DEVICE AND METHOD FOR PRODUCING SAME | 01-02-2014 |
| 20090194385 | Positive-Fit Freewheel Mechanism That Can Be Electromechanically Actuated, Electromechanical Brake With A Freewheel Mechanism Of This Type For A Motor Vehicle and Method For Adjusting The Play In A Brake Of This Type - The invention relates to an electromechanically switchable form-locking freewheel mechanism for preventing an electromechanical brake from releasing. According to the invention, the freewheel mechanism is embodied in the form of an electric motor in which a pivot angle of the armature is limited, the armature is counterbalanced and has a locking element that cooperates with a gear. The invention permits a compactly designed freewheel mechanism that can be integrated into an electromechanical actuating unit of the electromechanical brake. The counterbalancing of the armature equipped with the locking element prevents external accelerations of the freewheel mechanism of the kind that can occur during driving operation of a motor vehicle from exerting a moment on the armature that could switch off the freewheel mechanism. A method for adjusting the clearance of an electromechanical brake is also provided. | 08-06-2009 |
| 20090266669 | Transmission arrangement - A transmission arrangement is described, particularly for a power take-off transmission. The transmission arrangement comprises a transmission housing, an output shaft for driving an implement, a drive component for driving the output shaft, a clutch arranged between the output shaft and the drive component for transmitting a torque, a brake device for braking or locking the output shaft in relation to the transmission housing, an annular piston which is supported so that it is axially displaceable on the output shaft and which in a first position serves to actuate the clutch and in a second position actuates the brake device, and a freewheel device, which allows the output shaft to be rotated over a limited part of its circumference whilst in a locked state. In order to improve such a transmission arrangement, according to the invention the freewheel device, comprises at last one freewheel element, which is arranged radially in relation to the output shaft between the output shaft and the annular piston and which is firmly connected to the output shaft or to the annular piston and extends radially into at least one recess, formed on the annular piston) and/or on the drive shaft and extending over a limited part of the circumference. | 10-29-2009 |
| 20080277235 | TORQUE TRANSFER MECHANISM - The present invention discloses and claims a torque transfer mechanism. The torque transfer mechanism connects an input shaft to an output shaft to transmit rotation and torque in either direction from the input shaft to the output shaft. The torque transfer mechanism also inhibits the transmission of rotation and torque in at least one direction from the output shaft to the input shaft. In alternate embodiments, the torque transfer mechanism may transmit rotation and torque in one direction from the output shaft to the input shaft. In still further embodiments, the torque transfer mechanism may inhibit the transmission of rotation and torque in either direction from the output shaft to the input shaft. | 11-13-2008 |
| 192012000 | Electric | 6 |
| 20090266670 | MAGNETO-RHEOLOGICAL BRAKE-CLUTCH APPARATUSES AND METHODS - Magneto-rheological brake-clutch apparatuses and methods are provided. According to one aspect, a magneto-rheological brake-clutch can include a drive member and a driven member spaced from the drive member with a gap defined between the drive and driven members. A first quantity of MR fluid can be disposed in the gap. A brake assembly can define a chamber having a second quantity of MR fluid disposed therein and having a braking structure positioned in the chamber and connected to the driven member. A magnetic field generation assembly can be configured to selectively apply a magnetic field to the first quantity of MR fluid for controlling engagement of the driven member with the drive member. The assembly can be configured to selectively apply a magnetic field to the second quantity of MR fluid for controlling engagement of the braking structure with the brake assembly to brake the driven member. A magnet can be used and selectively positioned for applying a magnetic field to the first and second quantities of MR fluid. | 10-29-2009 |
| 20110290614 | Construction Machine, As Well As Clutch For Switching The Power Flow - Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements. | 12-01-2011 |
| 20150330490 | TORQUE LIMITER - A torque limiter comprising: a ramp roller, said ramp roller comprising: an input ramp roller element arranged to be driven by an input torque and having a first ramp surface; an output ramp roller element arranged to drive an output torque shaft and having a second ramp surface; ramp roller balls disposed between the first ramp surface and the second ramp surface; wherein said output ramp roller element is axially and resiliently compressible and wherein an overtorque condition causes axial compression of said output ramp roller element. This arrangement removes all axially sliding friction surfaces from the torque limiter so that the torque bandwidth is reduced, allowing manufacturers to design structures more optimally. | 11-19-2015 |
| 20090078528 | DRUM ROTATING APPARATUS FOR USE ON CONSTRUCTION MACHINES - A support member which is securely fixed to a truck frame is constituted by a tubular body portion and a lid portion. A couple of dry electromagnetic brakes are located in a brake accommodation room within the tubular body portion. The support member is assembled with an electric motor. A drum member which accommodates a planetary reduction gear mechanism is rotatably mounted on the outer periphery of the support member through bearings. A floating seal is provided between the support member and the drum member, and a seal ring ( | 03-26-2009 |
| 20090250307 | DUAL APPLY CLUTCH APPARATUS FOR COMPACT ELECTRO-MECHANICAL TRANSMISSION - An actuator assembly for selectively actuating a clutch includes a first actuator ring that is moveable between a first axial position and a second axial position along a rotational axis of the clutch, and a second actuator ring that is slidably received within the first actuator ring, and that is moveable between a third axial position and a fourth axial position by the first actuator ring. The first actuator ring receives a first actuation force, and when in the second axial position, transfers the first actuation force to the second actuator ring. The second actuator ring selectively receives the first actuation force and a second actuation force, and when in the fourth axial position, transfers one of the first and second actuation forces to the clutch. The actuator assembly is included with a transmission and actuates a clutch that provides an input to a planetary gear set of the transmission. | 10-08-2009 |
| 20120247912 | ELECTROMAGNETIC-CLUTCH ROTATION STOPPING STRUCTURE - An axially short electromagnetic-clutch rotation stopping structure for use with a phase varying apparatus ( | 10-04-2012 |
| 20130306430 | ELASTIC ROTARY ACTUATORS - Elastic rotary actuators are provided having breaking units arranged in such a way as to apply on an output member an adjustable braking torque in order to introduce adjustable damping between an input member and the output member in parallel to elastic members. | 11-21-2013 |
| 20150060229 | ELECTROMAGNETIC CLUTCH - An electromagnetic clutch includes a first rotation transmission portion, annular field core, rotation stop member, second rotation transmission portion, armature, and spring member. The annular field core is supported by the first rotation transmission portion via a first bearing. The first bearing is housed in a hollow portion of the field core and fitted on an inner circumferential surface of the field core. The rotation stop member includes a flat portion which is fixed to an end of the field core on a side opposite to the armature. The flat portion is formed integrally with a retaining piece which projects toward the hollow portion of the field core and faces the first bearing when viewed from the axial direction of the field core. | 03-05-2015 |
| 20160201747 | FREQUENCY-VARIABLE HAND RUBBED-TYPE MOTOR SPEED REDUCTION CLUTCH APPARATUS, AND WASHING MACHINE | 07-14-2016 |
| 20080308381 | Clutch brake assembly - A clutch-brake assembly transmits force to rotate a shaft and to retain the shaft against rotation. The assembly includes a plurality of force transmitting members which transmit force between a piston and a base member. A plurality of springs urge the piston to move relative to the base member. A plurality of spring retainers are disposed between the base member and the piston. Each of the spring retainers includes a plurality of projecting portions extending from the base portion. Each of the springs is telescopically disposed on one of the projecting portions. Each of the force transmitting members is disposed between adjacent spring retainers. | 12-18-2008 |
| 20090107796 | HYDRAULIC CONTROL SYSTEM OF EIGHT-SPEED AUTOMATIC TRANSMISSION FOR A VEHICLE - A hydraulic control system of an eight-speed automatic transmission for a vehicle. Four clutches and two brakes can by independently controlled by six proportional control solenoid valves by employing pressure control valves and pressure switching valves. | 04-30-2009 |
| 20100018829 | TORQUE TRANSMITTING DEVICE ACTUATION SYSTEM USING A PIEZOELECTRIC PUMP - A hydraulic control system for actuating a torque transmitting device in a transmission includes a sump for receiving a hydraulic fluid and a piezoelectric pump for pumping the hydraulic fluid from the sump to the torque transmitting device. A first fluid flow path communicates the hydraulic fluid from the sump to the piezoelectric pump and a second fluid flow path communicates the hydraulic fluid from the piezoelectric pump to the torque transmitting device. An exhaust means selectively communicates the hydraulic fluid from the torque transmitting device to the sump. | 01-28-2010 |
| 20120090950 | HYDRAULIC CONTROL SYSTEM OF AUTOMATIC TRANSMISSION FOR HYBRID VEHICLE - A hydraulic control system of an automatic transmission for a hybrid vehicle provides for simplifying structure of a valve body and improving responsiveness as a consequence of directly controlling hydraulic pressure supplied to friction elements. The hydraulic control system may operate first and second clutches and first and second brakes selectively according to each driving mode, and may include: a first proportional control solenoid valve for selectively supplying forward pressure and reverse pressure supplied from a manual valve to the first clutch; a second proportional control solenoid valve for selectively supplying line pressure supplied from a primary regulator valve to the second clutch; a third proportional control solenoid valve for selectively supplying the line pressure supplied from the primary regulator valve to the first brake; and a fourth proportional control solenoid valve for selectively supplying the forward pressure supplied from the manual valve to the second brake. | 04-19-2012 |
| 20140001007 | ROTARY DAMPER DEVICE AND METHOD FOR PRODUCING SAME | 01-02-2014 |
| 20090194385 | Positive-Fit Freewheel Mechanism That Can Be Electromechanically Actuated, Electromechanical Brake With A Freewheel Mechanism Of This Type For A Motor Vehicle and Method For Adjusting The Play In A Brake Of This Type - The invention relates to an electromechanically switchable form-locking freewheel mechanism for preventing an electromechanical brake from releasing. According to the invention, the freewheel mechanism is embodied in the form of an electric motor in which a pivot angle of the armature is limited, the armature is counterbalanced and has a locking element that cooperates with a gear. The invention permits a compactly designed freewheel mechanism that can be integrated into an electromechanical actuating unit of the electromechanical brake. The counterbalancing of the armature equipped with the locking element prevents external accelerations of the freewheel mechanism of the kind that can occur during driving operation of a motor vehicle from exerting a moment on the armature that could switch off the freewheel mechanism. A method for adjusting the clearance of an electromechanical brake is also provided. | 08-06-2009 |
| 20090266669 | Transmission arrangement - A transmission arrangement is described, particularly for a power take-off transmission. The transmission arrangement comprises a transmission housing, an output shaft for driving an implement, a drive component for driving the output shaft, a clutch arranged between the output shaft and the drive component for transmitting a torque, a brake device for braking or locking the output shaft in relation to the transmission housing, an annular piston which is supported so that it is axially displaceable on the output shaft and which in a first position serves to actuate the clutch and in a second position actuates the brake device, and a freewheel device, which allows the output shaft to be rotated over a limited part of its circumference whilst in a locked state. In order to improve such a transmission arrangement, according to the invention the freewheel device, comprises at last one freewheel element, which is arranged radially in relation to the output shaft between the output shaft and the annular piston and which is firmly connected to the output shaft or to the annular piston and extends radially into at least one recess, formed on the annular piston) and/or on the drive shaft and extending over a limited part of the circumference. | 10-29-2009 |
| 20080277235 | TORQUE TRANSFER MECHANISM - The present invention discloses and claims a torque transfer mechanism. The torque transfer mechanism connects an input shaft to an output shaft to transmit rotation and torque in either direction from the input shaft to the output shaft. The torque transfer mechanism also inhibits the transmission of rotation and torque in at least one direction from the output shaft to the input shaft. In alternate embodiments, the torque transfer mechanism may transmit rotation and torque in one direction from the output shaft to the input shaft. In still further embodiments, the torque transfer mechanism may inhibit the transmission of rotation and torque in either direction from the output shaft to the input shaft. | 11-13-2008 |
