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Clutch device

Patent Number: 8109377
Publication Date: 2012-02-07
Inventors: Mizuno, Kinya; Yasuda, Kazuhiro; Hamaoka, Seiji; Kittaka, Eiji

In a clutch device wherein a plurality of clutch plates are relatively non-rotatably engaged with a clutch outer, a plurality of clutch disks disposed alternately with the clutch plates are relatively non-rotatably engaged with a clutch inner, and an end plate disposed so that the clutch plates and the clutch disks are disposed between itself and a piston slidably fitted in the clutch outer is relatively non-rotatably and axially movably supported on the clutch outer in the manner of being ...

Device for operating a shifting element of a drive mechanism

Patent Number: 8109376
Publication Date: 2012-02-07
Inventor: Bek, Manfred

A device for operating a shifting element of a drive mechanism, having a piston positioned in a piston space to slide between first and second end positions. The piston is operated hydraulically and depends on the hydraulic pressure in the piston space and a force of a resetting mechanism acting on the piston, which opposes the activating force that is equivalent to the hydraulic pressure in the piston space. The transmission capacity of the shifting element is reduced by a force acting on ...

Clutch systems and methods

Patent Number: 8109375
Publication Date: 2012-02-07
Inventors: Swanson, Darrin; Swanson, Craig M.

Some embodiments of a clutch system may an output member and an input member can be biased to engage one another along opposing clutch surfaces. When input member drives rotation of the output member and a fan blade device secured thereto, the resulting fan thrust provides supplemental engagement to the opposing clutch ...

Production method for coned disk spring and clutch unit

Patent Number: 8109374
Publication Date: 2012-02-07
Inventor: Ando, Shuji

A production method for coned disk springs includes: preparing a plate member; punching plural annular blanks from the plate member by pressing; and forming the blanks into coned disk springs. In the pressing, plural slits are formed at one of a peripheral portion and an inner peripheral portion of at least one of the blanks, and a smaller outer diameter blank among the blanks is punched from an inner region of a larger outer diameter blank among the ...

Pumping device and height adjuster for vehicle seat

Patent Number: 8109373
Publication Date: 2012-02-07
Inventors: Paing, Hyun-Sung; Lim, Heon-Pil

A pumping device and a height adjuster for a vehicle seat are disclosed. The pumping device comprises a support plate; a cam receiver accommodated in the support plate; a brake cam received in the cam receiver to be integrally rotated with the shaft, and defining receiving spaces between the brake cam and the cam receiver; locking means received in each receiving space to allow and prevent rotation of the brake cam in the cam receiver; a control plate for applying the pushing force to the ...

Hand-operated control lever release apparatus for transmission

Patent Number: 8104599
Publication Date: 2012-01-31
Inventors: Jung, Yong-Eon; Cha, Hong-Jun

A hand-operated control lever release apparatus for a transmission of a vehicle includes a housing, a manual release lever rotatably mounted in the housing, a brake cam which is rotatably coupled to the housing through the cam shaft and the rotation of which is restrained by the manual release lever, a first cable connecting the manual release lever to a control lever for the transmission and unlocking the control lever in response to rotation of the manual release lever, and a second cable ...

Transmission synchronizing system, in particular, in the form of a servo synchronizing system

Patent Number: 8104597
Publication Date: 2012-01-31
Inventors: Berger, Martin; Kalmbach, Klaus; Steinz, Janina; Hackl, Thomas

The invention relates to a synchronization piece which, as part of a servo synchronization system comprising a sliding sleeve, a clutch body, a synchronizer ring and an idler gear, can synchronize a transmission having toothed wheel gears. The invention furthermore relates to an entire synchronizing system having a synchronization piece according to the invention. A full-servo synchronization system is also ...

Clutch actuator assembly

Patent Number: 8104596
Publication Date: 2012-01-31
Inventors: Kim, Il Soo; Park, Sang Chul; Kam, Jeong Heon; Kwang, Han Ho; Cha, Woo Jim; Nam, Kwang Soo; Kim, Young Kwang

A clutch actuator assembly may include a motor provided with a rotatable worm shaft, a screw thread being formed at an exterior circumference of the worm shaft; a worm wheel having a disk shape, and provided with a worm gear engaged to the screw thread and first and second guiding holes; an operation unit mounted in the first and second guiding holes in order to move toward a radial direction of the worm wheel; and an upper body provided with a fork, and engaging or releasing a clutch by ...

Hydraulic control device of a clutch of a motor vehicle

Patent Number: 8104595
Publication Date: 2012-01-31
Inventors: Esser, Joachim; Kurrle, Frank; Krüger, Arne; Pfingst, Jan; Böger, Thorsten

A hydraulic control unit is set up to hydraulically actuate a starting clutch of a motor vehicle and gear selectors of a transmission of the motor vehicle by use of hydraulic valves which are integrated in the hydraulic control unit and which have in each case at least one control element. The hydraulic control unit is characterized in that the integrated hydraulic valves are aligned in the hydraulic control unit in such a way that a movement direction of a vibratory element of a hydraulic ...

Bicycle wheel hub

Patent Number: 8100242
Publication Date: 2012-01-24
Inventors: Schneider, Marcus; Kühne, Karl-Joachim

The present invention provides a bicycle wheel hub that generally includes an axle, an input sprocket, an output shell, a one-way clutch and a locking mechanism. The one-way clutch operatively connects the input sprocket and the output shell and is configured to drive the output shell in a first direction. The locking mechanism is configured to operatively connect the output shell and the input sprocket to drive the output shell in a second direction to operate the bicycle wheel hub in a ...

Viscous clutch with eddy current reduction

Patent Number: 8100241
Publication Date: 2012-01-24
Inventors: Hennessy, David R.; Brand, Bastian

An electromagnetically actuated viscous clutch assembly includes a rotor arranged relative to an axis of rotation, an electromagnetic coil for generating magnetic flux, a housing positioned adjacent to the rotor to create a fluid working chamber therebetween with the housing and the rotor being selectively rotatable relative to one another, an insert extending through the housing and configured to conduct magnetic flux from the electromagnetic coil along a flux path, a valve assembly ...

Control system and method for controlling an operational mode of a vehicle via multiple clutch assemblies

Patent Number: 8100240
Publication Date: 2012-01-24
Inventors: Swanson, Larry Dean; DeRoo, Chris Alan

A first clutch assembly has an active state for transmitting rotational energy and an inactive state for not transmitting rotational energy. A generator has a generator shaft associated with the first clutch assembly. A second clutch assembly has an active state for transmitting rotational energy and an inactive state for not transmitting rotational energy. A transmission has a transmission shaft directly or indirectly associated with the second clutch assembly. A third clutch assembly has ...

Clutch device and methods

Patent Number: 8100239
Publication Date: 2012-01-24
Inventors: Jagger, Thomas M.; Swanson, Craig M.

Some embodiments of a clutch system may drive an output member to rotate at a first speed when the opposing clutch surfaces are engaged and to rotate at a second speed when the clutch surfaces are shifted to a disengaged position. In particular embodiments, the multi-speed clutch system may employ an eddy current drive system that causes the output portion to rotate even when the opposing clutch surfaces are ...

Magnetorheological clutch

Patent Number: 8100238
Publication Date: 2012-01-24
Inventor: Steinwender, Herbert

A magnetorheological clutch includes a primary part, a secondary part and a magnet for the generation of a magnetic field. The primary part and the secondary part are rotatable relative to one another around an axis of rotation of the clutch, with the primary part being rotationally fixedly connected to at least one disk. The disk is surrounded by coupling gaps in which a magnetorheological medium is arranged. The thickness of the at least one disk along the coupling gap has a value of ...

Dry-running friction lining

Patent Number: 8096396
Publication Date: 2012-01-17
Inventor: Mühlegger, Markus

The invention relates to a sintered, dry-running friction lining containing no binding agent with a friction lining body comprising a metallic matrix, at least one abrasive material and at least one filler. The friction lining body has a porosity which is greater than 10%. The proportion of the at least one abrasive material in the friction lining body is at most 5% by ...

Pressure-regulated friction clutch

Patent Number: 8096395
Publication Date: 2012-01-17
Inventors: Roether, Friedbert; Delfs, Joachim

A pressure-regulated friction clutch is provided including a cylinder-piston unit, operated by a pressure medium, which permits a frictional connection of an output shaft with a driven plate fixed thereto and an input shaft with a driving plate fixed thereto, for the transmission of a torque from the input shaft with a permanently pressurized cylinder-piston ...

Clutch brake

Patent Number: 8096394
Publication Date: 2012-01-17
Inventors: Chapman, James Michael; Settles, John Alex; Ley, Brian Robert

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 ...