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| Number | Title | Issue Date |
| 7392893 | Power unit cooling device A centrifugal fan is mounted to an inner plate of a centrifugal clutch as a heat-generating rotating device, and an intake port of a casing is formed near a front side in the axial direction of the centrifugal fan. The centrifugal fan includes a base plate connected... | 07/01/2008 |
| 7380645 | Aerodynamic standoffs to air cool disc type auto brake rotors The invention includes a mounting hat for a brake rotor having a lower section connected to an upper section. Also included is a plurality of aerodynamically shaped standoff vanes each having a leading edge, a trailing edge, a top and a bottom connected to the upper... | 06/03/2008 |
| 7228946 | Brake disc for a disc brake The invention relates to a brake disk for a disk brake, in particular for utility vehicles. Said brake disk comprises two spaced friction rings, which are linked to each other forming an air space and is linked to a wheel hub and/or axle in a rotationally fixed mann... | 06/12/2007 |
| 7147094 | Drive power transmission control device A drive power transmission control device is provided with an electromagnetic drive power transmission device and an ECU for controlling the application of electric current to an electromagnetic coil of the drive power transmission device. The ECU is bodily provided... | 12/12/2006 |
| 7070527 | Ventilated clutch assembly with reduced-slip sheave surfaces The invention provides an apparatus and method for cooling a V-belt in a clutch assembly of a CVT. As previously mentioned, the CVT is comprised of a drive clutch assembly, a driven clutch assembly, and an endless V-belt disposed about the drive and driven clutch as... | 07/04/2006 |
| 7063196 | Dry multi-disc clutch A dry multi-disc clutch includes a plurality of friction discs interposed between a drive-side clutch outer and a driven-side clutch center and power is transmitted from the clutch outer to the clutch center by pushing these friction discs using a pressure plate. Fi... | 06/20/2006 |
| 6938508 | Ventilated clutch having exhaust hub The invention provides for cooling an endless belt in a continuously variable transmission (CVT). The CVT is comprised of a drive clutch, a driven clutch, and an endless belt disposed about the drive and driven clutches. Both the drive and driven clutches include an... | 09/06/2005 |
| 6823975 | Air-cooled centrifugal clutch with air impeller plate The centrifugal clutch includes one or more clutch plates having a plurality of air impeller vanes to circulate air through the centrifugal clutch during its operation in order to extend the useful life of the clutch. A pressure plate includes a plurality of air imp... | 11/30/2004 |
| 6811009 | Magnet type fan clutch apparatus A magnet type fan clutch apparatus is formed of an electromagnetic clutch mounted on one driving shaft, and a magnet coupling operatively connected to the electromagnetic clutch. The magnetic coupling includes a permanent magnet rotary body to which a fan is fixed, ... | 11/02/2004 |
| 6634476 | Magnet type fan clutch apparatus A magnet type fan clutch apparatus is formed of an electromagnetic clutch mounted on one driving shaft, and a magnet coupling operatively connected to the electromagnetic clutch. The magnetic coupling includes a permanent magnet rotary body to which a fan... | 10/21/2003 |
| 6626273 | Brake disk and corresponding axle hub The invention relates to a brake disk comprising two friction rings which are connected via links and between which an air channel is configured, as well as support elements which are molded to the inner peripheral area of the brake disk and designed for ... | 09/30/2003 |
| 6568518 | Clutch for a power train of a motor vehicle A motor vehicle clutch has at least one flywheel (4a) equipped with fan blades (34) at least in a zone that is radially between a hub (54) and a solid ring portion with a friction surface (48). The clutch is configured so that the fan blades of the rotati... | 05/27/2003 |
| 6193041 | Electromagnetic clutch in which improvement is made about radiation of heat therefrom In an electromagnetic clutch having a rotating component, groove portions (21a, 21b) are made on a surface of the rotating component to induce air flow during rotation of the rotating component. The air flow enhances radiation of heat from the electromagn... | 02/27/2001 |
| 6129191 | Friction clutch with impeller fan feature for pressure plate cooling A friction clutch for a motor vehicle includes a cover, a pressure plate, a biasing member and an adjustment mechanism. The adjustment mechanism includes a first annular cam, a second annular cam and a torsional spring and housing assembly. The cover has ... | 10/10/2000 |
| 6116387 | Disc brake rotor A disc brake rotor comprises mounting portion, a first friction portion which provides an annular friction surface, a second friction portion which provides the other of annular friction surface, a connecting portion which joins the mounting portion to th... | 09/12/2000 |
| 5944157 | Friction clutch, in particular for a motor vehicle, including a wear compensating device The friction clutch, for a vehicle, comprises a friction disc, a pressure plate (1), a cover plate (2), and an axially acting diaphragm (3) working between the cover plate (2) and the pressure plate (1), the pressure plate (1) being fixed to the cover pla... | 08/31/1999 |
| 5896971 | Rotational control apparatus with enhanced cooling and power transfer characteristics An apparatus (10) for controlling the transmission of rotational forces between first (14) and second (66) members through an axially shiftable friction element (56) that rotates in unison with the first member (14) and can be selectively brought into eng... | 04/27/1999 |
| 5857547 | Annular pressure plate for a friction clutch, especially for a motor vehicle A pressure plate for a dry friction clutch has a central hole with a set of ventilating fins formed on its inner periphery.... | 01/12/1999 |
| 5855264 | Vehicle transmission system fitted with an electrical retarder A vehicle transmission system comprises a shaft and an electrical eddy current retarder itself comprising an annular inductor stator and a rotor. The rotor is connected to the shaft via independent fixing arms extending inwards to the free ends of axial m... | 01/05/1999 |
| 5826689 | Clutch cover and clutch comprising such a cover A torsion damper having two coaxial masses defined by a first mass (12) and a second mass (14). The second mass (14) includes a damper plate (28) fixed to the first mass (12). An annular ventilation space (48) is formed between a second platen (27) of the... | 10/27/1998 |
| 5788037 | Integrated clutch transmission A damper and clutch assembly is provided having a damper mechanism for providing a dampened connection to an engine output shaft and having an inertia member connected thereto. A multi-disc clutch mechanism is also drivingly connected to the damper mechan... | 08/04/1998 |
| 5732808 | Clutch module having a flywheel with ventilating fins A clutch module is of the kind comprising a mechanism (11), a clutch friction wheel (12) and a flywheel (13), the mechanism (11) itself comprising a cover plate (14) by which it is attached on the flywheel (13), a diaphragm (15) which bears on the cover p... | 03/31/1998 |
| 5722524 | Dry multi-disk clutch A clutch cover assembly 10 is used with clutch friction disks of a dry multi-disk clutch 1, and is provided with a diaphragm spring 30, a clutch cover 28 and a support structure 31. The outer periphery portion of the diaphragm spring 30 loads the clutch f... | 03/03/1998 |
| 5642798 | Electromagentic compressor clutch with combined torque cushion and armature cooling An electromagnetic clutch for an automotive air conditioning compressor supports the armature co axial to, and facing, a pulley friction disk with a novel support structure that self cools the armature, as well as providing a torque cushion. A multi lobed... | 07/01/1997 |
| 5636719 | Rotational control apparatus Rotational control apparatus in the forms of fan clutches (A, A') are shown including an eddy current drive (224). Specifically, the eddy current drive (224) includes a plurality of permanent magnets (226) mounted circumferentially spaced and with alterna... | 06/10/1997 |
| 5597059 | Flywheel assembly for a motor vehicle, the flywheel assembly having a gap seal A flywheel assembly has a first flywheel which is detachably connected to the crankshaft of a combustion engine, a second flywheel which can be rotated relative to the first, and a torque transformer, such as a hub disc, which is located in a chamber betw... | 01/28/1997 |
| 5586635 | Rotational control apparatus A rotational control apparatus (A) having a rotatable input (26 or 180) and output (26 or 180) with respective interface discs (106, 180). Three sets of two diametrically opposed pistons (64 and 66, 68 and 70, 72 and 74) are controllable to rotatably rela... | 12/24/1996 |
| 5577581 | Coupling assembly A coupling assembly includes a housing having a stationary section. A clutch assembly is disposed within the stationary housing section and is operable between an engaged condition in which the clutch assembly is effective to transmit rotational force bet... | 11/26/1996 |
| 5487458 | Electrically energized oil shear drive system A drive system has an input shaft and an output shaft. An oil shear clutch assembly is operable to lock the input shaft to the output shaft and an oil shear brake assembly is operable to lock the output shaft to the housing of the drive system. The clutch... | 01/30/1996 |
| 5427212 | Brake disc rotor A brake disc rotor comprising: sliding plates on the inside and outside in parallel with and separated from each other in the axial direction of an axle; fins composed of a plurality of curved long partition walls provided between the sliding plates, radi... | 06/27/1995 |
| 5360091 | Electrically actuated clutch brake apparatus There is provided a clutch/brake unit having aligned input and output shafts, clutch disks partially immersed in oil carried by the input shaft, brake disks partially immersed in oil fixed to the housing, and two series of friction disks also partially im... | 11/01/1994 |
| 5330040 | Ringed cover and seal for a viscous fluid clutch and method of making A viscous fluid clutch includes a cover having an airflow ring. The airflow ring can be formed integrally with or separately from the cover. Concentric inner and outer walls are attached to each other by radially spaced fins. A cooling passage for airflow... | 07/19/1994 |
| 5289908 | Combined clutch and brake units A cutting or bending machine has a combined clutch and brake mechanism cooled by air flow from an electrically powered impeller. A guide duct directs the air flow substantially uniformly through the entire volume of the combined clutch and brake mechanism... | 03/01/1994 |
| 5284230 | Ventilated disc unit for automotive brake system A ventilated disc unit includes inner and outer annular discs coaxially coupled to each other by rib units having bifurcated outer ends, and a rib unit comprising a radially extending straight segment extending towards an inner periphery and a pair of bif... | 02/08/1994 |
| 5279182 | Cooling mechanism for built-up flywheel In a built-up flywheel comprising a first flywheel (12), a second flywheel (30) and a clutch covering body (32), a cooling mechanism is provided which has a cooling port (52) formed in the inner periphery of said second flywheel (30) and a cooling groove ... | 01/18/1994 |
| 5150777 | Apparatus for transmitting torque between the engine and the transmission of a motor vehicle Apparatus for transmitting torque from the output shaft of the engine to the input shaft of the variable-speed transmission in a motor vehicle has a primary flywheel which is connectable to the output shaft, a secondary flywheel which is connectable to th... | 09/29/1992 |
| 5097927 | Vehicle brake The present invention relates to a vehicle brake and hub comprising a ring braking member having braking surfaces both to the interior and exterior of the member in combination with a cast hub which includes centrally disposed aligned bearing ports for re... | 03/24/1992 |
| 5072816 | Air feeder for a pull type clutch assembly The invention relates to a pull type clutch for releasing the clutch by pulling the inside fulcrum part C3 of the diaphragm spring 8 rearward in the axial direction on the opposite side of the pressure plate side by the release bearing 12, in which an air... | 12/17/1991 |
| 5064029 | Eddy current retarder An eddy current retarder includes a rotor (3) fitted over a rotating shaft (1) at one end thereof and a support ring (7) around which a plurality of permanent magnets (10) are circumferentially provided in such a manner that the polarities of any adjacent... | 11/12/1991 |
| 5005686 | Torque transmitting and torsion damping apparatus for use in motor vehicles A torsion damping apparatus between the crankshaft of the engine and the input shaft of the change-speed transmission of a motor vehicle has two flywheels one of which is driven by the crankshaft and the other of which drives the input shaft by way of a f... | 04/09/1991 |
