| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 192660320 | Spring released | 20 |
| 20080296115 | PTO Clutch With Lubrication Oil Shut-Off Valve And Integrated Relief Valve - A PTO clutch includes a lubrication shut-off valve that can slide between a first position blocking a port for lubrication oil to lubricate the PTO clutch, and a second position opening the port to lubricate the clutch. A relief valve is provided in the lubrication shut off valve, which opens in response to pressure spikes of activation oil and isolates the pressure spikes from the clutch piston. | 12-04-2008 |
| 20100140041 | ROTARY-TYPE SELECTABLE ONE-WAY CLUTCH - A selectable one-way clutch (SOWC) assembly uses hydraulic-actuation to select operating modes within a rotating housing. Two races of the SOWC assembly can rotate at disparate speeds, i.e., one race is not grounded prior to actuation. The SOWC assembly has a pair of races keyed to different housings and hubs. The housing and hub can be attached to different elements of a gear train, for example, which can be rotating during the various gear states. A hydraulic actuator or multiple actuators can be keyed to the housing, with axial motion of the actuator or actuators selecting a state or operating mode of the SOWC assembly. The actuator has axially-extending tabs that engage radially-extending fingers of the selector plate, thus rotating the selector plate in different directions when applied or released. Multiple actuators can be used in conjunction with multiple selector plates to provide additional SOWC operating modes. | 06-10-2010 |
| 20110220451 | DRY CLUTCH - In a dry clutch, the space between dry-clutch plates and a bearing, which bearing is interposed between a first piston and a second piston, is blocked off. Also provided is a structure for supplying the bearing with lubricating oil, and thus it is possible to provide the dry clutch, without causing upsizing the bearing. | 09-15-2011 |
| 20110308911 | TORQUE TRANSMITTING DEVICE WITH APPLY PLATE DRAIN - A torque transmitting device having an apply/return plate or member is provided. The torque transmitting device includes a hydraulically actuated piston and a clutch pack. The plate includes an annular disc having an inner edge and an outer edge and having a first side and a second side. A plurality of tabs extend radially out from the outer edge. A plurality of drain holes are disposed through the annular disc extending between the first side and the second side and located between the outer edge and the inner edge. The plate contacts the clutch pack to engage the clutch pack when translated by the piston and hydraulic or lubrication fluid communicates through the drain holes. | 12-22-2011 |
| 20120024651 | CENTRIFUGAL CLUTCH SYSTEM - A centrifugal clutch system includes a centrifugal weight, an outer member, an inner member, a first clutch plate, a second clutch plate, a bottom portion side pressure member, and an open side pressure member. The centrifugal weight is movable in a radial direction of the clutch system. The outer member is rotatably supported on a rotation axis and subjected to a driving force. The inner member is integrally and rotatably supported on the rotation axis. The first and second clutch plates are respectively supported in the outer and inner member. The bottom portion side pressure member thrusts each clutch plate to an open side of said outer member and releases the thrusting force by the movement of said centrifugal weight. The open side pressure member thrusts each clutch plate to a bottom portion of said outer member. The open side pressure member is supported on said inner member. | 02-02-2012 |
| 20130015032 | Clutch Assembly Performance Enhancement Apparatus and MethodAANM Mangiagli; Todd V.AACI PutneyAAST VTAACO USAAGP Mangiagli; Todd V. Putney VT USAANM Nader; Gregg A.AACI LibertyvilleAAST ILAACO USAAGP Nader; Gregg A. Libertyville IL US - A kit for improving the performance of a clutch assembly, the clutch assembly including an input housing configured to receive an interleaved stack of plural friction elements and plural steel plates through an open end of the housing, the kit including at least one steel plate configured and dimensioned to be received through the open end of the housing and disposed in mating relationship with a terminal one of the plural friction elements, at least one friction disk configured and dimensioned to be received through the open end of the housing and disposed in mating relationship with the at least one steel plate to form in combination with the plural friction elements and plural steel plates an extended interleaved stack, with the at least one friction disk forming a new terminal friction element, and a retaining ring configured and dimensioned to be secured over the open end of the housing and including an integrally formed, annular inner friction surface adapted to confront the new terminal friction element to directly receive forces applied through the clutch assembly. | 01-17-2013 |
| 20130048463 | ROTATIONAL COUPLING DEVICE CONFIGURED FOR VERTICAL ORIENTATION - A rotational coupling device is configured for vertical orientation. The device includes a hub disposed about a rotational axis. A rotor is supported on, and configured for rotation about, the hub and defines a radially extending wall. An armature is supported on the hub for rotation therewith and axially spaced from the wall. Clutch plates are disposed between the rotor wall and armature and rotatably coupled to the rotor or armature. A field shell is disposed on an opposite side of the rotor wall from the armature and houses a conductor. The armature and clutch plates move in a first axial direction towards the rotor wall when the conductor is energized and in a second axial direction when the conductor is subsequently deenergized. At least one of the hub and rotor defines means for limiting movement of a corresponding one of the clutch plates in the second axial direction. | 02-28-2013 |
| 20130256077 | FLOATING HOUSING FORCE TRANSMITTING ASSEMBLY - A brake assembly includes a mounting flange having a central opening to receive a shaft, a rotor disc mounted on the shaft and rotatable with the shaft, a float plate having a first friction surface engageable with one face of the rotor disc, and a pressure plate having a second friction surface engageable with another face of the rotor disc. The brake assembly also includes a spring housing, which operates as a piston, and a cylinder coupled to the spring housing to form a fluid pressure chamber. The spring housing moves in a first direction when pressurized fluid enters the fluid pressure chamber and in a second direction when pressurized fluid exits the fluid pressure chamber. The assembly further includes at least one sliding stud to allow axial movement of at least one of the float plate, the pressure plate, and the spring housing to allow axial movement. | 10-03-2013 |
| 20140116834 | CONTROL SYSTEMS FOR FRICTION CLUTCH ASSEMBLIES - Control systems for a friction clutch mechanism and a hybrid coolant pump. Friction clutch assemblies are positioned inside the motor housing and include softening springs which minimize parasitic clutch power consumption. The control systems use PWM to control the operation of solenoids which in turn operate the friction clutch assemblies. | 05-01-2014 |
| 20140144743 | DISCONNECT ASSEMBLY - A disconnect assembly is provided and includes a rotatably drivable input shaft including a first clutch portion, a rotating element including a second clutch portion, which is movable between a first position, at which the first and second clutch portions drivably register with each other, and a second position, at which the first and second clutch portions are displaced from each other and a disconnect bearing. The disconnect bearing is disposed at an inner diameter of the first clutch portion and configured to radially and axially secure the input shaft relative to the rotating element with the second clutch portion disposed in the first or second position. | 05-29-2014 |
| 20140174873 | Fail-Safe Dry Friction Clutch For A Coolant Pump - A fail-safe friction clutch assembly for a vehicle accessory, particularly to drive a vehicle cooling pump, and more particularly as part of a dual mode drive for a cooling pump, together with an electric motor. The friction clutch assembly includes a friction plate member connected to a central rotatable shaft member used for operating the vehicle accessory. A pair of friction lining members are positioned on opposite sides of the friction plate member. An armature member is spring biased to axially force the friction plate member and friction lining member against a housing or cover which is rotating at input speed. A solenoid assembly is used to overcome the spring bias and pull the armature and friction plate member away from the housing. | 06-26-2014 |
| 20140174874 | Accessory Drive With Friction Clutch And Electric Motor - A friction clutch assembly for a vehicle accessory, particularly to drive a vehicle cooling pump, and more particularly as part of a dual mode drive for a cooling pump, together with an electric motor. The friction clutch assembly includes a friction plate member connected to a central rotatable shaft member used for operating the vehicle accessory. A biased armature member is adapted to force a friction plate member with friction linings thereon against a housing or cover which is rotating at input speed. A solenoid assembly is used to overcome the spring bias and pull the armature and friction plate member away from the housing. | 06-26-2014 |
| 20140174875 | Accessory On-Off Drive With Friction Clutch - An ON-OFF vehicle accessory for driving vehicle cooling pump or cooling fan. The accessory having a friction clutch assembly with a friction plate member connected to a central rotatable shaft member. A biased armature member is adapted to force a friction plate member with friction linings thereon against a housing or cover which is rotating at input speed. A solenoid assembly is used to overcome the spring bias and pull the armature and friction plate member away from the housing. | 06-26-2014 |
| 20140299437 | FRICTION STARTER DRIVE UNIT FOR ENGAGEMENT WITH A STARTER RING GEAR OF A THERMAL ENGINE, AND STARTER OF A THERMAL ENGINE COMPRISING A STARTER DRIVE UNIT OF THIS TYPE - A friction starter drive unit for a starter, comprising: a pinion including a hole for the passage of a drive shaft; a drive part including a hole for the passage of a drive shaft, said drive part being mounted such as to be rotationally fixed with the pinion; a drive element including a hole for the passage of a drive shaft of a starter, which element can move in translation along axis X of the hole in relation to the drive part between an uncoupled position and a coupled position; and a friction coupling means arranged to couple the drive element to the drive part when the drive element is in the coupled position. The starter drive unit comprises a return means that exerts a force on the drive element and a force on the drive part in the direction of the uncoupled position. | 10-09-2014 |
| 20140318919 | COUPLING FIXTURE - A coupling fixture for reciprocal connection between two components rotating in opposite directions to one another, with a drive element and an axially adjustable coupling element in a rotationally fixed connection with the drive element or one of the two components. The two components are locked together directly, or by the coupling element, and the locking is released by moving the coupling element axially. Thereby rendering it possible to establish connection without the need for special controls and/or synchronisation of the components to be connected. Switching operations can be performed when the drive element and the coupling element are being driven with different speeds of rotation. It is thus possible to achieve a reliable and trouble-free operating method of the coupling fixture over a long period of time. | 10-30-2014 |
| 20150114787 | DUAL DRIVE PLATE DAMPER FOR HYBRID ELECTRIC VEHICLES - An assembly includes an engine output concentric with an axis, an input, a starting gear, a first drive plate secured to the engine output, including a rim supporting the starting gear, and arms extending radially outward from the axis, and a second drive plate rotatably secured to the input, and secured to the first drive plate at a location spaced radially outward from the axis. | 04-30-2015 |
| 20150136558 | CLUTCH SYSTEM FOR A TRANSMISSION - A clutch system for a transmission having a clutch assembly and a brake assembly. The clutch system includes a clutch assembly and a brake assembly coupled to a planetary gear set, engine and two electric motors to reduce transmission complexity, costs, and efficiency losses. The clutch assembly also includes a wear compensation mechanism and a clutch separator mechanism. | 05-21-2015 |
| 20150369299 | STRUCTURAL UNIT FOR A HYBRID POWERTRAIN - A constructional unit for a hybrid powertrain of a motor vehicle includes: an electric machine with a stator and a rotor, wherein the rotor is configured to transmit a torque to the powertrain; a clutch arrangement with at least one clutch actuation unit, wherein the clutch arrangement is configured to decouple an internal combustion engine from the powertrain, the internal combustion engine being provided parallel to the electric machine for transmitting a torque; and a vibration absorber apparatus configured to reduce vibrations in the powertrain. The clutch actuation unit is arranged axially substantially radially within the vibration absorber apparatus. | 12-24-2015 |
| 20160040725 | FAIL-SAFE DRY FRICTION CLUTCH FOR A COOLANT PUMP - A fail-safe friction clutch assembly for a vehicle accessory, particularly to drive a vehicle cooling pump, and more particularly as part of a dual mode drive for a cooling pump, together with an electric motor. The friction clutch assembly includes a friction plate member connected to a central rotatable shaft member used for operating the vehicle accessory. A pair of friction lining members are positioned on opposite sides of the friction plate member. An armature member is spring biased to axially force the friction plate member and friction lining member against a housing or cover which is rotating at input speed. A solenoid assembly is used to overcome the spring bias and pull the armature and friction plate member away from the housing. | 02-11-2016 |
| 20160160934 | ROTATING CLUTCH PACK ASSEMBLY - A transmission having a rotating clutch pack assembly is provided, The rotating clutch pack having an interconnecting member, a plurality of friction discs, a rotating member, a first and a second axial bearing, and a biasing member. The interconnecting member is connected for common rotation with a member of the planetary gear set. The rotating member is connected to the second set of friction discs for common rotation. The first axial bearing is disposed between the clutch piston and the plurality of friction discs and the second axial bearing is disposed between the plurality of friction discs and the transmission housing. The biasing member is disposed between the interconnecting member and the rotating member. A clutch piston selectively applies an axial force through the first axial bearing, the plurality of friction discs, and the second axial bearing to the transmission housing. | 06-09-2016 |
