| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 464660100 | Perpendicular to shaft | 87 |
| 20110195794 | VIBRATION ABSORBER - A system for absorbing vibration created by operation of an engine of the present invention includes a first plate driven by an engine shaft and a torque transmitting device for transferring torque from the engine shaft to a transmission input shaft. The system includes a first vibration absorber and a second vibration absorber. The first vibration absorber includes at least one selectively moveable mass. The second vibration absorber includes at least one biasing member and generally opposing ends. The first vibration absorber is configured to absorb vibrations created at a first harmonic of the engine and the second vibration absorber is configured to absorb vibrations created at multiple harmonics of the engine. | 08-11-2011 |
| 20130178297 | STIFFNESS ADJUSTABLE ROTARY JOINT - A rotary joint ( | 07-11-2013 |
| 20130231195 | TORSIONAL VIBRATION ATTENUATION APPARATUS - Disclosed is a torsional vibration attenuation apparatus including a driving rotation member and a driven rotation member which can be twisted in an enlarged torsion angle range with a non-linear torsional property, thereby preventing an excessively large torque from being transmitted from driving member to the driven member. The torsional vibration attenuation apparatus includes a boss, a cam member having a cam surface formed in an elliptical shape and provided on the outer peripheral portion of the boss to be integrally rotated with the boss, and a pair of arm members each provided between the cam member and a coil spring and having one end held in contact with the can surface and the other end held in engagement with a spring seat of the coil spring. | 09-05-2013 |
| 20140235360 | TORQUE TRANSMISSION DEVICE - A torque transmission device for a drive train of a motor vehicle driven by an internal combustion engine. The device includes an input part and an output part having a common axis of rotation around which the input part and the output part are jointly rotatable relative to one another, and a spring damper arrangement that has at least one energy storage device. A friction device is effective between the input part and the output part and is arranged radially outside the at least one energy storage device, in order to provide a torque transmission device having a construction that is optimized with respect to the installation space. | 08-21-2014 |
| 20160047435 | DAMPER DEVICE FOR A VEHICLE AND METHOD FOR DESIGNING A DAMPER DEVICE - A damper device, preferably for a torque converter of a motor vehicle, for transferring torque between a drive side and output side of the device, having an input element which is rotatable to a limited degree in relation to an intermediate element which is located after the input element in a torque transfer path through an effect of a first energy storage element, while forming a first damper stage, and an output element located after the intermediate element in the torque transfer path, which is rotatable to a limited degree in relation to the intermediate element through an effect of a second energy storage element, while forming a second damper stage, wherein the damper device, or the first damper stage and/or the second damper stage is designed in such a way that the first damper stage and/or the second damper stage can essentially be short-circuited mechanically by means of bridging. | 02-18-2016 |
| 464680100 | Between axially spaced plates | 75 |
| 20080207338 | Dual-mass flywheel - A dual-mass flywheel including a primary mass that can be connected to the drive shaft of an internal combustion engine, and a secondary mass that can be connected to the input shaft of a transmission. The masses are positioned in an axial manner in relation to each other, and concentrically by means of at least one positioning device. The masses can be rotated at least in a defining manner counter to the effects of a damping device including energy accumulators. The energy accumulators are arranged in an annular, ring-like chamber that is formed by components of the primary mass and that also contains a viscous medium. | 08-28-2008 |
| 20090088261 | Spring-Mass Damper System for Vehicle Transmission - A damper assembly for absorbing and attenuating torsionals and vibrations transmitted from an engine to a transmission is provided. The damper assembly includes a damper flange with a plurality of spring-mass damper systems operatively attached thereto and elongated circumferentially about its outer periphery. Each spring-mass damper systems include an inner spring nestably positioned inside an outer spring, a first spring retainer having a base portion defining a first interface surface with a first pilot portion extending therefrom to define a second interface surface with a second pilot portion extending therefrom, and a second spring retainer having a base portion defining an interface surface with a pilot portion extending therefrom to define a fourth interface surface. The first and third pilot portions engage with and thereby restrict axial and radial movement of the outer spring. The second pilot portion is attached to the inner spring thereby restricting relative movement therebetween. | 04-02-2009 |
| 20100178991 | DAMPER MECHANISM - A damper mechanism | 07-15-2010 |
| 20100210365 | DUAL-MASS FLYWHEEL - The present invention relates to a dual-mass flywheel for a drive train of a motor vehicle, having one primary flywheel mass and one secondary flywheel mass ( | 08-19-2010 |
| 20100279778 | TORSIONAL VIBRATION DAMPER - A torsional vibration damper according to the invention is proposed, which has a hub and a flange disposed radially outside the hub. For axial fastening of the flange on the hub, a fixing element and a holding element attached to the hub are provided, which limit movements of the fixing element caused by radially oriented centrifugal force. | 11-04-2010 |
| 20110143842 | VIBRATION DAMPER - A vibration damper comprising at least two damper assemblies connectable in series, coupled with one another through a floating intermediary flange, and torque transmission devices and/or damping coupling devices and rotation angle limiting devices between the floating intermediary flange and a damper component of one of the damper assemblies, wherein the damper component is disposed in a force flow in front and/or behind the floating intermediary flange. | 06-16-2011 |
| 20120028722 | TORSIONAL VIBRATION DAMPER HAVING SLIDING SHOES AND A SPACING LIMITATION DEVICE - One embodiment may include a torsional vibration damper having a primary element, a secondary element and a spring device for torsionally elastic coupling of the primary and the secondary element in the circumferential direction, which spring device has at least one spring element, which is arranged between a first and a second sliding shoe, a spacing limitation device being provided to define a maximum spacing (A | 02-02-2012 |
| 20120064983 | Torsional Vibration Damper Arrangement - A torsional vibration damper arrangement such that an excessive radially outward flexing of spring units is effectively prevented while torsional vibrations occurring at low torques are nevertheless sensitively damped and the corresponding spring unit is protected against overloading at the same time. | 03-15-2012 |
| 20120190462 | TORSION VIBRATION DAMPER AND DAMPING DEVICE AND TORQUE TRANSMISSION DEVICE - A torsion vibration damper for a drive train of a motor vehicle, in particular a drive train of a hybrid vehicle, comprising: a spring support and a force transmission flange configured rotatable relative to the spring support, wherein at least one compression spring is provided between the spring support and the force transmission flange for transferring a mechanical torque, wherein a housing of the spring support is configured so that in a radial direction of the torsion vibration damper, at least one longitudinal end of the compression spring is supported at/in the spring support housing and/or a clearance remains between windings of a center section of the compression spring and a wall of the spring support. | 07-26-2012 |
| 20120244953 | TORSIONAL SHOCK ABSORBING APPARATUS - A torsional shock absorbing apparatus is constructed to have the outer peripheral portions of first spring seats move along the outer supporting edge portions of the side plate when the hub is twisted with respect to the side plate in the positive rotation side, and to have the outer peripheral portions of second spring seats move along the outer supporting edge portions when the hub is twisted with respect to the side plate in the negative rotation side. The sliding resistance of the first spring seat and the outer supporting edge portions is larger than the sliding resistance of the second spring seat and the outer supporting edge portions. | 09-27-2012 |
| 20120322565 | TORSION VIBRATION DAMPING APPARATUS - A torsion vibration damping apparatus can prevent the strengths of its projection portions from being decreased even if the torsion vibration damping apparatus is made small in size, and can damp torsion vibration caused by a transitional torque when a hub member is rotated in the positive side relatively rotated with respect to a rotation member, thereby making it possible to enhance a damping property of the torsion vibration. The projection amount of a projection portion | 12-20-2012 |
| 20130023347 | DAMPER DEVICE - A damper device includes a first rotation member coupled to an engine; a second rotation member coupled to a drive member driven by power generated from the engine and capable of rotating relative to the first rotation member; and a coil spring configured to transmit the power between the first rotation member and the second rotation member, and absorb a torque variation between the first rotation member and the second rotation member, wherein the coil spring has a hollow portion that is an internal area and an outline portion that is an outer area on a cross-sectional shape on a plane including a centerline of the coil spring, the hollow portion having lower rigidity and lower density than those of the outline portion. Accordingly, the damper device can reduce the influence caused by the centrifugal force. | 01-24-2013 |
| 20130035170 | DAMPER MECHANISM - A damper mechanism includes a first flywheel, an output plate, a first spring assembly and a second spring assembly. The first spring assembly is disposed between a first support part and a transmission part in a preliminarily compressed state. The second spring assembly is disposed between a second support part and the transmission part in a preliminarily compressed state. The stopper part is disposed for making contact with the first spring assembly and the second spring assembly in the rotational direction. Gaps are reliably produced in the rotational direction between the stopper part and both of the first spring assembly and the second spring assembly in a neutral state of applying no external force to the first flywheel and the output plate. | 02-07-2013 |
| 20130237329 | VIBRATION ABSORBER - A system for absorbing vibration created by operation of an engine of the present invention includes a first plate driven by an engine shaft and a torque transmitting device for transferring torque from the engine shaft to a transmission input shaft. The system includes a first vibration absorber and a second vibration absorber. The first vibration absorber includes at least one selectively moveable mass. The second vibration absorber includes at least one biasing member and generally opposing ends. The first vibration absorber is configured to absorb vibrations created at a first harmonic of the engine and the second vibration absorber is configured to absorb vibrations created at multiple harmonics of the engine. | 09-12-2013 |
| 20130288808 | DAMPER DEVICE - A damper device configured with an input element, an intermediate element to which power is transferred from the input element through a first elastic body, and an output element to which power is transferred from the intermediate element through a second elastic body. One of the output element and the intermediate element has a protruding portion projecting in an axial direction. The other one of the output element and the intermediate element has a cutout portion corresponding to the protruding portion. The protruding portion has a restricting portion that is engaged with the cutout portion in a rotation direction so as to restrict rotation of the intermediate element relative to the output element, and a support portion that is engaged with the cutout portion so that the intermediate element is supported by the output element in a radial direction. | 10-31-2013 |
| 20140256455 | TORQUE FLUCTUATION ABSORBING APPARATUS - A torque fluctuation absorbing apparatus is capable of securely sealing a space housing an elastic member even on application of a centrifugal force or at the time of cooling. The torque fluctuation absorbing apparatus includes a center plate, a side plate(s) (side plate assembly) coaxial with the center plate and slidably relative to the center plate, and an elastic member housed within a space delimited by the side plate assembly to absorb torque fluctuations between the side plate assembly and the center plate. The apparatus also includes a cover member secured to the center plate and slidably pressure contacted with the side plate assembly to cover from outside a space housing the elastic member, and a suppressing section capable of suppressing the cover member from deforming under a pressure acting on the cover member when atmospheric pressure within the space housing the elastic member(s) becomes lower than outside atmospheric pressure. | 09-11-2014 |
| 20140302937 | TORSIONAL VIBRATION DAMPER ASSEMBLY, IN PARTICULAR FOR THE DRIVE TRAIN OF A MOTOR VEHICLE - A torsional vibration damping arrangement, particularly for the drivetrain of a vehicle, includes an input region ( | 10-09-2014 |
| 20140323232 | DAMPER DEVICE - A damper device includes: a pair of first plates axially separated from each other along a rotation axis and rotatable integrally with each other around the axis in a state where the first plates intersect the axis; a second plate including a portion positioned between the first plates, having an opening, and rotatable around the axis in a state where the second plate intersects the axis; an elastic member between the first and second plates, and elastically deformed a circumferential direction of the axis; and a third plate having a first portion positioned on an inner side of the opening and coupled to the first plates in a state where the first portion is between the first plates, and a second portion positioned on an outer side of the opening, and rotatable around the axis in a state where the third plate intersects the axis. | 10-30-2014 |
| 20140329607 | SPRING AND SYSTEM - A spring includes at least one spring portion that extends over an arc of at least 90° when projected onto a cross-sectional area perpendicular to a force direction of the spring in an unloaded condition thereof. The spring portion has an elliptical shape in the projection. A system including one or more springs is also described. | 11-06-2014 |
| 20150038243 | TORSIONAL DAMPER FOR A CLUTCH - A torsional damper ( | 02-05-2015 |
| 20150087429 | TORQUE TRANSMISSION DEVICE FOR A MOTOR VEHICLE - A torque transmission device for a motor vehicle, having a torque input element ( | 03-26-2015 |
| 20150308539 | DRIVEN PLATE WITH INTERMEDIATE PLATE CENTERING GUIDE - A turbine damper assembly, for a torque converter, includes a driven plate and an intermediate plate. The driven plate engages and drives the intermediate plate through elastic drive elements. The driven plate includes an axially extended, circumferentially oriented, driven plate flange that both centers the intermediate plate with respect to the drive plate and also assists in containing the elastic drive elements in circumferential curved cavities during and after assembly of the turbine damper assembly. | 10-29-2015 |
| 20150308540 | Torsional Vibration Damping Arrangement For Said Powertrain Of A Vehicle - A torsional vibration damping arrangement ( | 10-29-2015 |
| 20160032982 | DAMPER ASSEMBLY INCLUDING AXIALLY FIXED FRICTION ASSEMBLY - A damper assembly for a marine vessel propulsion unit or a motor vehicle drive train is provided. The damper assembly includes a damper hub rotatably with respect to a center axis, a damper flange fixed for rotation on an outer surface of the damper hub, a cover plate coupled to the damper hub via the damper flange, an elastic element axially pressing against the cover plate, and a friction assembly axially fixed to the cover plate. The friction assembly supports the elastic element and maintains an orientation of the elastic element with respect to the cover plate during movement of a center axis of damper hub. | 02-04-2016 |
| 20160040723 | DAMPER DEVICE - In an embodiment, a supporting member includes projections (preventing portion) that make contact with one of two wall portions (wall members) so as to prevent the supporting member and an elastic member from being inclined (falling, rotationally moving) in the axial direction. | 02-11-2016 |
| 20160047434 | VEHICLE DAMPER DEVICE - A vehicle damper device including: a first plate coupled to a crankshaft of the engine; a second plate coupled via an elastic body to the first plate; an inertia body coupled to the second plate; a support member coupled to the crankshaft along with the first plate; a bearing inserted between the support member and the inertia body; a third plate coupled to the inertia body; a fourth plate coupled to an input shaft of the power transmission device; and a torque limiter mechanism disposed between the third plate and the fourth plate, the torque limiter mechanism being disposed at a position on a radially inner side than the elastic body and not axially overlapping with the elastic body, the elastic body being a coil spring disposed in an outer circumferential portion of the first or second plate, and the elastic body being an arc-shaped arc spring. | 02-18-2016 |
| 464680200 | Speed responsive | 3 |
| 20080274816 | Non-helical, multiple compound element, true torsion system - A non-helical, multiple compound element, true torsion system includes a working element to be connected to a load, an adjustable control element and a drive for driving the control element. At least one S-shaped compound torsion element has ends each being connected to a respective one of the working and control elements. | 11-06-2008 |
| 20130165240 | TORSIONAL DAMPER ASSEMBLY - A torsional damper assembly for transmitting torque between a prime mover of a powertrain and an input of a transmission is provided. The torsional damper assembly includes an input mass, an output mass, a damping element, a bypass clutch, and a bypass clutch release lever. The damping element is interposed between the input mass and the output mass, and it is operable to translate torque between the masses and to dampen oscillation generated by the prime mover. The bypass clutch is configured to couple the input and output masses together for common rotation when engaged. The bypass clutch release lever is pivotally rotatable with respect to the output mass, and it includes a biasing portion and a weighted end. When rotated, the biasing portion is operable to bias the bypass clutch away from the input mass to disengage the bypass clutch. | 06-27-2013 |
| 20140194213 | TORSION DAMPING DEVICE COMPRISING PENDULAR FLYWEIGHTS THAT ARE AXIALLY OFFSET IN RELATION TO GUIDE WASHERS - A torsion damping device ( | 07-10-2014 |
| 464680300 | With fluid damping | 1 |
| 20120220380 | DYNAMIC DAMPER DEVICE - A dynamic damper device includes a variable inertial mass device that variably controls inertial mass of a damper mass, an elastic body that connects a rotary shaft rotated by power transmitted thereto and an input member of the variable inertial mass device, and a variable damping force device that variably controls a damping force to the elastic body. Accordingly, the dynamic damper devices have the advantageous effect that vibrations can be appropriately reduced. | 08-30-2012 |
| 464680400 | Interposed friction or braking element | 10 |
| 20110244967 | FLYWHEEL DEVICE - A flywheel device includes a mass-side rotor including a mass ring and a pair of holder plates connected to both sides of the mass ring. The mass-side rotor is connected to a crankshaft with a drive plate therebetween. Between the mass-side rotor and the drive plate, a positioning apparatus for positioning those coaxially with each other is provided. The positioning apparatus includes: an annular positioning protrusion which is press formed in at least one of the pair of holder plates to project laterally outward therefrom, and which is disposed coaxially with the mass-side rotor; and a positioning recessed portion which is press formed in the drive plate coaxially with the crankshaft, and which is fitted to the positioning protrusion. Accordingly, it is possible to enable coaxial positioning of the mass-side rotor and the drive plate without performing burdensome machining on the mass ring for forming a positioning apparatus. | 10-06-2011 |
| 20120077604 | TORQUE FLUCTUATION ABSORBER - A torque fluctuation absorber includes a first damper portion absorbing torque fluctuations caused by a torsion between a first rotary member and a second rotary member, a second damper portion absorbing torque fluctuations caused by a torsion between the second rotary member and a third rotary member, and a stopper portion. The first rotary member includes a first projecting portion projecting radially inwardly and being contactable with the stopper portion by the torsion between the first rotary member and the second rotary member. The third rotary member includes a second projecting portion projecting radially outwardly and being contactable with the stopper portion by the torsion between the third rotary member and the second rotary member. The second projecting portion makes contact with the stopper portion at a radially inner side relative to a portion where the first projecting portion makes contact with the stopper portion. | 03-29-2012 |
| 20160033002 | DAMPER APPARATUS - A damper apparatus according to an embodiment includes a pair of first plates, a second plate, an elastic member, a first friction material and a second friction material. The elastic member is configured to elastically deform in a circumferential direction of a rotation axis by a relative rotation between the pair of first plates and the second plate around the rotation axis. The first friction material is configured to generate a first friction torque in a case where the second plate rotates relative to the pair of first plates in a first direction from an initial state. The second friction material is configured to generate a second friction torque greater than the first friction torque in a case where the second plate rotates relative to the pair of first plates in a second direction which is opposite from the first direction from the initial state. | 02-04-2016 |
| 20160053816 | CENTRIFUGAL PENDULUM - A torque transfer device includes a drive element, an output element, an elastic element for coupling the drive element with the output element, a first pendulum mass which is movably attached to the pendulum flange in the plane of rotation, and a second pendulum mass which is movably attached to the pendulum flange in the plane of rotation. At the same time, at least one of the pendulum masses is matched to different orders of excitation of the rotary motion of the drive element. | 02-25-2016 |
| 464680410 | With biasing means | 6 |
| 20100075763 | DAMPER MECHANISM - A damper mechanism | 03-25-2010 |
| 20100210366 | TORSIONAL VIBRATION DAMPER - A torsional vibration damper with a friction device. The friction device is formed on at least one friction surface on two contra-rotationally and oppositely disposed disc parts that are in frictional contact with one another. In order to propose how to determine the initial stressing effect of the frictional action independently of external support of the disc parts, the frictional surfaces are pressurized against one another by means of at least one spring element. | 08-19-2010 |
| 20120214605 | Gas Turbine Engine Generator System with Torsional Damping Coupling - The present application and the resultant patent provide a gas turbine engine generator system. The gas turbine engine generator system may include a turbine, a generator, and a shaft. The turbine drives the generator via the shaft. A torsional damping coupling may be positioned about the shaft so as to limit the transmission of torque to the turbine during a generator based fault event. | 08-23-2012 |
| 20130231196 | DAMPER HAVING TORQUE LIMITER FUNCTION - A damper includes an outer cover having a front cover and a rear cover. The covers are joined to form a lubricant oil accommodation chamber for accommodating liquid. A damper device, a limiter mechanism, a first plate including a first collar portion located toward the front of the limiter mechanism, and a second plate including a second collar portion located toward the rear of the limiter mechanism are arranged in the outer cover. The limiter mechanism includes a first limiter plate, which is an input side on the torque transmission path, a second limiter plate, which is an output side on the torque transmission path, and a limiter disc spring, which presses the limiter plates. | 09-05-2013 |
| 20130244800 | VEHICULAR DAMPER DEVICE - A vehicular damper device interposed between an engine and an output shaft and provided with a dual-mass flywheel includes: a first inertial body in the form of a disk connected to a crankshaft of said engine and rotatable about an axis of said crankshaft; a torsional damping portion interposed between said first inertial body and said output shaft; a second inertial body in the form of a disk rotatable about said axis and having a smaller outside diameter than said first inertial body, said second inertial body cooperating with said first inertial body to constitute said dual-mass flywheel; and an elastic member interposed between said first inertial body and said second inertial body and operatively connecting said first and second inertial bodies such that said elastic member is elastically deformable according to an amount of relative rotation of the first and second inertial bodies. | 09-19-2013 |
| 20140087890 | TORQUE FLUCTUATION ABSORBER - A torque fluctuation absorber includes a first rotating member, a second rotating member arranged coaxially with the first rotating member, a control plate arranged between the first rotating member and the second rotating member in an axial direction and engaging non-rotatably with the second rotating member, a thrust member arranged between the first rotating member and the control plate in the axial direction, engaging with the first rotating member in an axially movable and non-rotatable manner, and slidably making contact with the control plate, and an elastic member arranged between the first rotating member and the thrust member in the axial direction, supported by the first rotating member and pressing the thrust member against the control plate. | 03-27-2014 |
| 464680600 | Specified bushing | 1 |
| 20150133225 | TORSIONAL VIBRATION DAMPING DEVICE - Providing a torsional vibration damping device capable of increasing torsional stiffness without increasing elastic members in the radius direction. In the torsional vibration damping device | 05-14-2015 |
| 464680700 | Axially spaced springs | 1 |
| 20160084343 | DAMPER UNIT OF INTERNAL COMBUSTION ENGINE - A damper unit of an internal combustion engine includes an input-side rotor, an output-side rotor, first coiled springs, second coiled springs, an input-side sliding contact surface, and a biasing member. The input-side rotor includes a first spring holder, a second spring holder, and a connecting portion. The second spring holder is arranged on a second side of the output-side rotor, has a facing side facing the output-side rotor, and has second spring accommodation portions on the facing side each of which accommodates each of the second coiled springs. The input-side sliding contact surface is provided in the second spring holder so as to be in sliding contact with an output-side sliding contact surface of the output-side rotor. The biasing member is provided between the first spring holder and the output-side rotor to press the output-side rotor toward the second spring holder. | 03-24-2016 |
| 464680800 | Radially spaced springs | 20 |
| 20090069098 | DAMPER MECHANISM - A damper mechanism ( | 03-12-2009 |
| 20090247307 | DAMPER DEVICE - A damper device includes a drive plate; a driven plate; and a torque transmission mechanism having different types of damper springs. The torque transmission mechanism transmits torque of the drive plate to the driven plate via at least one of the damper springs, wherein the torque transmission mechanism is structured to allow a combination of damper springs acting during torque transmission to be changed at lease three times as a rotation angle of the drive plate relative to the driven plate becomes greater. Each of the damper springs can be extended and compressed circumferentially about the rotation axis and is disposed at the same radial position about the rotation axis. | 10-01-2009 |
| 20100081510 | Integrated Damper and Starter Ring Gear for a Hybrid Vehicle - A vehicle assembly includes an engine having a damper assembly secured to the engine. The damper assembly includes a ring gear. A hybrid transmission having an input shaft is mounted on the mounting shaft of the damper assembly. The damper assembly includes an engine face plate and a transmission face plate secured to the engine face plate. The ring gear is secured to at least one of the transmission face plate and the engine face plate. | 04-01-2010 |
| 20100130289 | DAMPER MECHANISM - A damper mechanism | 05-27-2010 |
| 20100222149 | DAMPER MECHANISM - A damper mechanism has a first rotating body, a second rotating body, at least one first elastic member, and at least one second elastic member. The second rotating body is disposed rotatably with respect to the first rotating body. The first elastic member is disposed so as to link elastically the first rotating body and the second rotating body in the rotation direction, and to operate only on the positive side of the torsional characteristics. The second elastic member is disposed so as to link elastically the first rotating body and the second rotating body in the rotation direction, and operate only on the negative side of the torsional characteristics. | 09-02-2010 |
| 20100234114 | DAMPER WITH INDUCED IMBALANCE - A torsion damper including: a plurality of springs; a first plate with a central axis; and a second plate with a central axis. The plurality of springs displaces the first and second plates so that the central axis for the first plate is radially offset from the central axis for the second plate. In one embodiment, the radial offset between the central axis for the first plate and the central axis for the second plate is fixed. In another embodiment, the first plate comprises a central bore and the second plate comprises an extruded cylinder; and the fixed alignment is maintained by contact between the central bore and the extruded cylinder. | 09-16-2010 |
| 20100323801 | TORSIONAL VIBRATION DAMPER COMPRISING END BLOCKS AND DRIVE TRAIN COMPRISING SAID TORSIONAL VIBRATION DAMPER - A torsional vibration damper includes a primary element with at least one primary driver, a secondary element with at least one secondary driver, at least one spring device between the primary and secondary drivers for resiliently elastic coupling of the primary and secondary elements, and at least one end block arranged on an end side of the spring device. The primary element is rotatable relative to the secondary element from a neutral position into a first position, in which the primary driver is supported only on the spring device, and from the first position onward into a second position, in which the primary driver is supported on the spring device and on the end block. In the first and second positions of the primary element, torque of the torsional vibration damper can be transmitted exclusively directly between the primary driver and spring device. | 12-23-2010 |
| 20110081977 | POWER TRANSMISSION PART, DAMPER MECHANISM, AND FLYWHEEL ASSEMBLY - A power transmitting part for transmitting power has an annular main body section and a transmitting section. The transmitting section has a first protruding section extending outward in a radial direction from the main body section and a second protruding section extending toward a first side in an axial direction from a circumferential-direction-facing edge portion of the first protruding section. | 04-07-2011 |
| 20110151981 | INTERMEDIARY FLANGE, COMBINED INTERMEDIARY FLANGE UNIT AND VIBRATION DAMPER - An intermediary flange for coupling spring units of damper assemblies connected in series, the intermediary flange comprising: radially extending bars with contact and support surfaces oriented in circumferential direction opposite to one another for supporting end portions of the spring units of the different damper assemblies. The bars are formed by particular bar elements which are aligned and fix in a circumferential direction with respect to their relative positions through attachment at annular disc shaped lateral components axially disposed on both sides. | 06-23-2011 |
| 20110287844 | SINGLE ROW SERIES DAMPER WITH INPUT FLANGE - A damper for a torque converter includes an input flange with a first spring guiding portion and arranged for connection to a cover for the torque converter, an output flange with a second spring guiding portion and arranged for connection to an input shaft for a transmission, and an intermediate flange. The intermediate flange includes at least two plates. The first and second spring guiding portions are disposed axially between the plates. In some example embodiments, the first and second spring guiding portions are radially aligned and circumferentially offset. | 11-24-2011 |
| 20110312426 | ELASTIC COUPLING - An Elastic Coupling ( | 12-22-2011 |
| 20120077605 | TORQUE FLUCTUATION ABSORBER - A torque fluctuation absorber includes a seating member having a pivoting portion at an inner portion in a radial direction and a supporting portion, which rotationally supports the pivoting portion, at an end surface in a circumferential direction of a first and a second opening portion. When no relative rotational torsion existing between a first and a second rotational member, the pivoting portion is in contact with the supporting portion and a clearance is defined between a portion on each seating member positioned outwardly in a radial direction relative to the pivoting portion and a portion of the first and the second opening portion positioned outwardly in a radial direction relative to the supporting portion. At a first torsion angle, the portion on each seating member contacts the portion of first or second opening portion in a state where the pivoting portion is in contact with the supporting portion. | 03-29-2012 |
| 20120208646 | DAMPER DEVICE - A damper device including an input element to which power from a motor is transmitted; a first elastic body to which power is transmitted from the input element; a first intermediate element to which power is transmitted from the first elastic body; a second elastic body to which power is transmitted from the first intermediate element; a second intermediate element to which power is transmitted from the second elastic body; a third elastic body to which power is transmitted from the second intermediate element; and an output element to which power is transmitted from the third elastic body. The first and second elastic bodies are coil springs, and the third elastic body is an arc spring that is arranged radially inward of the first and second elastic bodies. | 08-16-2012 |
| 20120208647 | DAMPER DEVICE - A damper device including an input element to which power from a motor is transmitted; a first elastic body to which power is transmitted from the input element; a first intermediate element to which power is transmitted from the first elastic body; a second elastic body to which power is transmitted from the first intermediate element; a second intermediate element to which power is transmitted from the second elastic body; a third elastic body to which power is transmitted from the second intermediate element; and an output element to which power is transmitted from the third elastic body. A stiffness of the third elastic body is higher than a stiffness of the second elastic body. | 08-16-2012 |
| 20120208648 | DAMPER DEVICE - A damper device including an input element to which power from a motor is transmitted; a first elastic body to which power is transmitted from the input element; a first intermediate element to which power is transmitted from the first elastic body; a second elastic body to which power is transmitted from the first intermediate element; a second intermediate element to which power is transmitted from the second elastic body; a third elastic body to which power is transmitted from the second intermediate element; and an output element to which power is transmitted from the third elastic body. A stiffness of the first elastic body is higher than a stiffness of the second elastic body. | 08-16-2012 |
| 20120252586 | DAMPER DEVICE - A damper device including an input element to which power from a motor is transmitted; a first elastic body to which the power is transmitted from the input element; a first intermediate element to which the power is transmitted from the first elastic body; a second elastic body to which the power is transmitted from the first intermediate element; a second intermediate element to which the power is transmitted from the second elastic body, a third elastic body to which the power is transmitted from the second intermediate element; and an output element to which the power is transmitted from the third elastic body. The second elastic body is lighter than the first elastic body. | 10-04-2012 |
| 20120252587 | DAMPER APPARATUS - In a damper apparatus, power is transferred, in order, from a motor, to an input, to a first elastic body, to a first element, to a second elastic body, to a second element, to a third elastic body, and to an output. The first and second elastic bodies are disposed radially outward of the third elastic body, and adjacent to each other on a single circumference. The first element has an annular outer peripheral portion that surrounds the first and second elastic bodies, and a pair of contact portions that are formed on peripheral edges on respective sides of the outer peripheral portion to protrude from the peripheral edges radially inward and to face each other, and that are between and in contact with the first elastic body and the second elastic body. | 10-04-2012 |
| 20120302359 | TORQUE FLUCTUATION ABSORBING APPARATUS - A torque fluctuation absorbing apparatus that includes a first assembly that absorbs a fluctuating torque generated between a first rotating shaft and a second rotating shaft that are arranged coaxially, a first end of the first assembly being connected to the first rotating shaft from the second rotating shaft side by a first connecting member, a second assembly that absorbs a fluctuating torque generated between the first rotating shaft and the second rotating shaft, the second assembly being disposed more toward the second rotating shaft side than the first connecting member and a second end thereof being connected to the second rotating shaft, and a second connecting member that connects a second end of the first assembly to a first end of the second assembly. | 11-29-2012 |
| 20150345565 | DYNAMIC DAMPER DEVICE - A dynamic damper device occupies a small space in an axial direction and can achieve a reduction in weight. The dynamic damper device is mounted to a turbine shell of a torque converter, and includes a damper plate, an inertia ring and a plurality of torsion springs. The damper plate is fixed to the turbine shell and is configured to be rotated. The inertia ring has spring accommodation parts and slider accommodation parts along a circumferential direction, and is disposed to be rotatable relative to the damper plate. The plurality of torsion springs are disposed in the spring accommodation parts of the inertia ring, and elastically couple the damper plate and the inertia ring in a rotational direction. | 12-03-2015 |
| 20150369332 | Vibration Damper Assembly, In Particular For The Power Train Of A Vehicle - A vibration damping arrangement includes a first torsional vibration damper coupable to a drive member for transmitting torque and with a first secondary side which is rotatable with respect to the first primary side against the return action of a first damper element arrangement and a second torsional vibration damper with a second primary side connected to the first secondary side and with a second secondary side which is rotatable with respect to the second primary side against the return action of a second damper element arrangement and which is couplable to an output member, a deflection mass pendulum arrangement comprising at least one deflection mass; wherein the first damper element arrangement comprises a plurality of first damper element units acting parallel to one another and/or in that the second damper element arrangement comprises a plurality of second damper element units acting parallel to one another. | 12-24-2015 |
| 464680900 | Spring detail | 13 |
| 20140087889 | TORQUE TRANSMISSION DEVICE FOR A MOTOR VEHICLE - A torque transmission device for a motor vehicle, having a torque input element ( | 03-27-2014 |
| 20140162794 | ARC COIL SPRING CONFIGURATION - Improved performance of arc coil springs by stress reduction when they are bottomed out is achieved by forming the coil spring wire in a substantially trapezoidal or other shape such that when bottomed, the side surfaces of the coil abut and carry the bottoming load which is distributed over a comparatively large surface area. The angles of the sidewalls of the substantially trapezoidal cross section wire are preferably coincident with lines of radius when the spring is installed in an arc in a clutch, damper or flywheel. The radius of the outer surface of the arc coil spring wire is matched to the radius of the inner surface of the guide or housing so that the area of contact is large, thereby distributing the outwardly directed spring force over a large area, reducing the force per unit area and improving lubrication retention on the contacting surfaces. | 06-12-2014 |
| 20150087430 | SERIES-TO-PARALLEL DAMPER ASSEMBLY INCLUDING TWO FLANGES - A damper assembly for a torque converter is provided. The damper assembly includes a first cover plate; a second cover plate, the first cover plate and second cover plate supporting springs therebetween; a first flange between the first cover plate and the second cover plate; and a second flange between the first cover plate and the second plate, the first flange and second flange being arranged with respect to the first and second cover plates and the springs such that the springs transition during operation of the damper assembly from initially operating in series to operating in parallel. | 03-26-2015 |
| 20150354665 | TORQUE DAMPER APPARATUS - In some embodiments, a torque damper apparatus can achieve reduced stiffness as well as sufficient vibration absorbing property while increasing the dampening ratio of the torque variation. In some embodiments, a torque damper apparatus comprises an input member to which an engine torque is inputted; damper springs able to absorb variation of torque inputted from the input member; and/or a driving power of the engine configured to be transmitted to an output shaft of a vehicle via the input member and the damper springs. The damper springs can comprise a plurality of coil springs arranged along the circumference of the input member. The torque damper apparatus can further comprise a plurality of separate members interposed between the damper springs and configured to be independently rotated with respect to each other when the engine torque is transmitted thereto. | 12-10-2015 |
| 464680910 | Non-coiled or non-metallic | 1 |
| 20120252588 | TORQUE FLUCTUATION ABSORBER - A torque fluctuation absorber includes a first rotating member arranged to be rotatable, a second rotating member arranged in a rotatable manner relative to the first rotating member, a coil spring for buffering a torsion between the first rotating member and the second rotating member by means of an elastic force, and a cushion member arranged at an inside of the coil spring and buffering the torsion between the first rotating member and the second rotating member by means of an elastic force, wherein the cushion member includes an elastic member formed in a columnar shape, and an abrasion resistant member partly covering a side surface of the elastic member and including a greater abrasion resistance than an abrasion resistance of the elastic member. | 10-04-2012 |
| 464680920 | With particular seat | 8 |
| 20110143843 | FLYWHEEL ASSEMBLY - A first flywheel assembly a first flywheel, a second flywheel, a first spring set, a first spring seat, and a second spring set. The first spring set is arranged between the first flywheel and the second flywheel in a pre-compressed state. The first spring seat is a member that supports an end portion of the first spring set and is pushed in a radially outward direction against the first flywheel. The second spring set is a member having a lower stiffness than a stiffness of the first spring set and is arranged between the second flywheel and the first spring set in a pre-compressed state such that it acts in series with the first spring set. | 06-16-2011 |
| 20120077606 | TORQUE FLUCTUATION ABSORBER - A torque fluctuation absorber includes a first rotary member formed into an annular shape and including a first protruding portion formed at an inner circumferential surface, a second rotary member connected to the first rotary member, a third rotary member including a second protruding portion formed at an outer circumferential surface, a damper portion absorbing torque fluctuations caused by torsion generated between the second rotary member and the third rotary member, and an elastic member arranged between the first protruding portion and the second protruding portion and absorbing a shock generated when the first protruding portion directly makes contact with the second protruding portion when the damper portion absorbs the torque fluctuations caused by the torsion generated between the second rotary member and the third rotary member. | 03-29-2012 |
| 20150099591 | FLYWHEEL ASSEMBLY - A flywheel assembly includes a first elastic member disposed on a side to which an acceleration-side power of an engine is outputted and a second elastic member disposed in series with the first elastic member. The second elastic member exerts a transmission torque having a magnitude less than that of a transmission torque exerted by the first elastic member. An end sheet member includes a first end sheet member and a second end sheet member. The first end sheet member is slidable against a first rotary member. The second end sheet member is slidable against the first rotary member. A first intermediate sheet member included in an intermediate sheet member is disposed between the first elastic member and the second elastic member and is slidable against the first rotary member. | 04-09-2015 |
| 20150126290 | TORSIONAL VIBRATION DAMPER - A torsional vibration damper comprises an input side and an output side which are arranged rotatably around an axis of rotation, an intermediate plate, and two elastic elements which are arranged on different circumferences around the axis of rotation, where the first elastic element is set up to transmit a power from the input side to the intermediate plate and the second elastic element is set up to transmit a power from the intermediate plate to the output side. Furthermore, the torsional vibration damper includes a single-piece retainer to support the first elastic element on a radially outer surface, while the retainer includes a contact element for engaging with one end of the first elastic element. | 05-07-2015 |
| 20150292593 | VEHICLE FLEXIBLE DRIVING PLATE HAVING TORSIONAL DAMPER - A flexible driving plate having a torsional damper incorporating springs that are positioned in pockets that are non-linear relative to the direction of rotation of the crankshaft is disclosed. The torsional damper connects an engine crankshaft and a transmission input member wherein the crankshaft has a rotational direction. The damper comprises a drive plate connected to the crankshaft, a driven plate connected to the input member, a plurality of springs, and a like number of spring pockets in which the springs are fitted formed in both the drive plate and the driven plate. A plastic spacer is provided in each spring. The axis of each pocket is at an angle other than 90° relative to the angle of rotational direction of the crankshaft. | 10-15-2015 |
| 20160069417 | TORQUE TRANSMISSION DEVICE FOR A MOTOR VEHICLE - A torque transmission device for a motor vehicle, having a torque input element ( | 03-10-2016 |
| 20160195156 | ISOLATING TORQUE COUPLER | 07-07-2016 |
| 20160201729 | DAMPER DEVICE | 07-14-2016 |
| 464630100 | And springs' centerlines spaced along shaft axis | 1 |
| 20130225302 | LOCK-UP DEVICE FOR FLUID COUPLING - It is an object of the present invention to provide a lock-up device for a fluid coupling that can reliably suppress vibration caused by coil springs. It is to provide a lock-up device for a fluid coupling that can reliably suppress vibration caused by coil springs. This lock-up device ( | 08-29-2013 |
| 464670100 | Along curved centerline | 6 |
| 20090264206 | Drive Coupling - A drive coupling has an inner plate positioned within an inner periphery of an outer plate. The inner plate includes a plurality of outwardly-extending projections. The inner periphery of the outer plate includes a plurality of recesses. A plurality of short heavy-duty compression springs are arranged to compress in a substantially-straight linear direction between respective projections of the inner plate and the respective side wall of the recess of the outer plate. The springs are further retained by spring travel limiting guides which protrude from the outer plate. The inner plate and an associated central shaft are positively supported by bushings and/or bearings which reside in outer retaining plates. These bushings and/or bearings retain the inner and outer plates in a fixed non-yielding radial and axial position. Bolts are used to hold the outer drive plate and the external retaining plates together. The drive coupling is designed to carry the entire rated torque requirement of the unit on the compression springs, thus providing a continual cushioning action to the drive line whilst providing accurately-controlled angular movement if an obstruction is encountered. | 10-22-2009 |
| 20110021276 | GREASE FILLED SPRING RETAINER - A spring retainer assembly, including: a flange plate; a plurality of springs in contact with a radially outer portion of the flange plate; a first cover plate; a second cover plate; a spring retainer; and at least one fastening device. The spring retainer and the first plate substantially surround respective outer circumferences of the plurality of springs; and the at least one fastening device is for fixedly connecting the spring retainer to a torque-transmitting device. In one embodiment, the spring retainer is axially fixed by the connection to the torque-transmitting device and includes a first portion, and contact of the first portion with the first plate positions the first plate in a desired axial position with respect to the plurality of springs. In one embodiment, the spring retainer includes a plurality of protrusions and a circumferential end for each spring is in contact with a respective protrusion. | 01-27-2011 |
| 20110165949 | TORSIONAL VIBRATION DAMPER - A torsional vibration damper, comprising at least two components which can be rotated counter to the resistance of at least one helical spring or bow spring precurved toward the rotational axis for compression of the at least one bow spring during a relative rotation among the components. The at least one bow spring is provided with support in the circumferential direction across the outside diameter thereof on a sliding shell. In order to reduce friction, the outside diameter of the at least one bow spring has a distance from the inside diameter of the sliding shell. | 07-07-2011 |
| 20110195795 | DRIVING FORCE TRANSMISSION APPARATUS - A driving force transmission apparatus includes a damper device that includes: a plurality of elastic bodies provided between a first member, to which driving force is transmitted from a driving source, and a second member transmitting the driving force to a fluid transmission device; an outer coupling portion integrally rotatably coupled to a radially outer portion of the first member; and an inner coupling portion integrally rotatably coupled to a radially inner portion of the second member. The damper device transmits driving force, transmitted to the first member, from the outer coupling portion to the inner coupling portion via the plurality of elastic bodies and then to the second member. One of the outer coupling portion and the inner coupling portion of the damper device is fixedly coupled via a highly rigid portion and the other one is axially movable along a rotation axis. | 08-11-2011 |
| 20120088589 | DAMPER FOR COUPLING ROTATION OF MOTOR VEHICLE DRIVING SHAFTS - The damper ( | 04-12-2012 |
| 20130324267 | FOLDOVER TAB FOR RETAINER SPRING STOP - A vibration damper, including a cover plate with an annular portion, and a spring portion including spring retaining portions forming respective spaces and a spring blocking portions including respective protrusion segments and respective tab segments including respective portions of an edge of the cover plate and having a same first thickness. The damper includes springs at least partially located in the respective spaces, and having respective longitudinal ends, and a second cover plate or output flange connected to the cover plate. The springs are arranged to transmit torque to the cover plate. The respective protrusion segments have a same second thickness and include respective protrusions. Respective first portions of the longitudinal ends of the springs are engaged with the respective protrusions. Respective second portions of the longitudinal ends of the springs are engaged with the respective tab segments. | 12-05-2013 |
