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| Number | Title | Issue Date |
| 7377343 | Centrifugal clutch A wheel drive assembly that can include a motor having an output shaft, a wheel mount that is adapted to have a wheel mounted thereto, a wheel shaft with a first end drivingly coupled to the wheel mount, and a clutch. The clutch can have a first body, a second body,... | 05/27/2008 |
| 7347309 | Device for auxiliary units of an internal combustion engine In a device for damping rotary oscillations in a traction mechanism drive for auxiliary units of an internal combustion engine, having an overrunning clutch (27), which is arranged between a pulley (25) and a hub (26), according to the invention... | 03/25/2008 |
| 7237665 | Thermal energy transfer limited rotating shaft for a pneumatic fan drive system A clutch assembly (20) for a fan drive system (12) of an engine (14) includes a translatable clutch housing (30) that is coupled to a fan (16). A rotating shaft (27) has a non-grooved thermal energy transfer portion (28 | 07/03/2007 |
| 7143881 | Pulley unit having one-way clutch A pulley is concentrically disposed around a hollow shaft, and a one-way clutch is disposed between the hollow shaft and the pulley. At least one bearing is provided between the shaft and the pulley. In the one-way clutch, a roller as a meshing member and a coil spr... | 12/05/2006 |
| 7128061 | Supercharger A centrifugal supercharger is provided. One embodiment of the supercharger comprises a two-piece housing wherein a parting area is substantially aligned with a rotational axis of a drive- or impeller shaft. Another embodiment comprises a sleeve, or intermediate memb... | 10/31/2006 |
| 7097020 | Throwout bearing lever with dynamic adjustable weight assembly A throwout bearing lever for a centrifugal clutch having a dynamic adjustable weight assembly. The lever comprises a lever having an assembly aperture through the lever and an adjustment screw aperture in communication with the assembly aperture. A threaded adjustme... | 08/29/2006 |
| 6942485 | Dental handpiece comprising torque-limiting means A dental handpiece is provided including a neck wherein balls are guided in transverse channels of an input shaft and are radially spaced apart by a support piece including a tapered part thrust by a spring. A linking ring is mounted on the end of the input shaft an... | 09/13/2005 |
| 6237735 | Viscous actuated ball ramp clutch having one-way clutch A center differential (17) including a clutch pack (33), a cam ramp actuator (31) for moving the friction discs (65,67) toward an engaged position, and a viscous coupling (29) which will have a "slip speed" representative of the speed difference between t... | 05/29/2001 |
| 6116797 | Two way wrap spring clutch gear A gear mechanism containing a clutch assembly made of an outer member with an offset hub, a wrap spring, a pin wherein the rotation of the pin around the offset hub is less than one revolution. A protrusion on a stop at a fixed location is used to dislodg... | 09/12/2000 |
| 5645149 | Freewheel-retainer ring with centrifugal force takeoff A freewheel retainer ring with centrifugal force takeoff has two ring-shaped edge rings which are connected with each other by several axial connecting bolts and which mount clamping members between them. For this purpose, separate pockets are arranged re... | 07/08/1997 |
| 5551510 | Safety coupling for rotary down hole pump A safety coupling for preventing backspin at excessive speeds of a torque transmitting drive powering a drive shaft which stores reactive torque due to torsional stress is disclosed. The safety coupling includes a rotatable driving member to be coupled wi... | 09/03/1996 |
| 5370008 | Starter coupler for an internal combustion engine In an internal combustion engine having a crankshaft and a cranking motor for turning the crankshaft to start the engine, a coupler is attached to the crankshaft and serves as a carrier for a ring gear that is engaged by the cranking motor. The coupler, i... | 12/06/1994 |
| 5362293 | Drive clutch for a centrifuge rotor A clutch assembly for a centrifuge rotor includes at least one pair of complementary clutch elements each operatively associated with the rotor. Each element in the pair is preloaded into contact with the drive shaft. A torque applied to the shaft in eith... | 11/08/1994 |
| 5273147 | Self-locking freewheeling unit operated by centrifugal forces The invention relates to a locking device 4 for a freewheeling unit 1 of a non-directly driven axle of a motor vehicle driven by a directly driven axle. To lock the freewheeling unit 1 there is provided a first drive element 2 with a number of circumferen... | 12/28/1993 |
| 5257685 | Pawl and ratchet clutch with shifting pawl A pneumatic starter (10) incorporates a pawl and ratchet clutch assembly (50) having a ratchet member (46) mounted to a drive member (40) powered by an air expansion turbine (20), and a plurality of pawls (48) disposed circumferentially about the ratchet ... | 11/02/1993 |
| 5246094 | Pawl and ratchet clutch having pawl with shifting center of gravity A pneumatic starter (10) incorporates a pawl and ratchet clutch assembly (50) having a ratchet member (46) mounted to a drive member (40) powered by an air expansion turbine (20), and a plurality of pawls (48) disposed circumferentially about the ratchet ... | 09/21/1993 |
| 5205386 | Pawl and ratchet clutch with pawl holdback A pneumatic starter (10) incorporates a pawl and ratchet clutch assembly (50) having a ratchet member (46) mounted to a drive member (40) powered by an air expansion turbine (20), and a plurality of ferromagnetic pawls (48) disposed circumferentially abou... | 04/27/1993 |
| 5165510 | Centrifugal friction clutch A lightweight centrifugal friction clutch for transmitting torque from an input source to an output shaft, which includes a wheel secured for simultaneous rotation with the output shaft, a clutch band encircling the wheel and secured within a clutch housi... | 11/24/1992 |
| 5160005 | Pawl and ratchet clutch with torsion shaft A pawl and ratchet clutch and an air turbine starter having such a clutch is provided in which a single, torsion shaft simultaneously forces each of a plurality of pawls into engagement with the ratchet. The torsion shaft is coupled to a cam having radial... | 11/03/1992 |
| 5086657 | Engine starting apparatus Engine starting apparatus for cranking an internal combustion engine. The engine is connected to a ring gear and the starting apparatus has a pinion that is meshed with the ring gear during engine cranking. The pinion is driven by an electric cranking mot... | 02/11/1992 |
| 5025904 | Torsion damping device, in particular for a friction clutch for an automotive vehicle This invention is concerned with a torsion damping device for an automotive vehicle, of the kind comprising two coaxial parts and an intervention member for modifying the operating characteristics of the damping device. One of the two coaxial parts includ... | 06/25/1991 |
| 4917225 | Thermally engaged centrifugal clutch An automotive type internal combustion engine driven accessory is connected to the engine crankshaft by a thermal and centrifugally responsive clutch mechanism that includes a centrifugally responsive ring responsive to higher engine speeds to provide sli... | 04/17/1990 |
| 4892175 | Wrap spring clutch/brake apparatus with helper clutch mechanism A wrap spring clutch/brake apparatus includes a clutch mechanism for supplying increased frictional torque at low rotational speeds to a load. The clutch mechanism is formed of an inner cylindrical-shaped member, an outer annular member disposed concentri... | 01/09/1990 |
| 4889215 | Anti-overload centrifugal clutch An anti-overload centrifugal clutch including a centrifugal clutch having a clutch drum secured to a driving shaft thereof and a group of centrifugal clutch shoes engaged with a driven shaft for contact with and movement away from the clutch drum. A group... | 12/26/1989 |
| 4856636 | Apparatus for damping fluctuations of torque Apparatus for damping fluctuations of torque in the power train between the engine and the variable-speed transmission of a motor vehicle has a first flywheel which is driven by the crankshaft of the engine, a second flywheel which is coaxial with the fir... | 08/15/1989 |
| 4850244 | Flywheel A flywheel has first and second axially-spaced, coaxial flyrings. At least one resilient element connects the flyrings for permitting relative rotational displacement therebetween. A damping device also connects the flyrings operatively in parallel with t... | 07/25/1989 |
| 4763764 | Wrapped spring, overrunning clutch assembly A clutch assembly to interconnect rotatable drive and driven members. A cylindrical clutch element is operatively connected to one of the rotating members, and a sleeve-like clutch element is attached to at least one other of the rotatable members. The sl... | 08/16/1988 |
| 4750375 | Drive device for a circuit breaker with a ratchet wheel A drive device for a low-voltage circuit breaker comprises a ratchet wheel with teeth which are engaged by a transporting ratchet by a periodic back-and-forth motion of a cage having the transporting ratchet disposed thereon. A stepwise rotation of the ra... | 06/14/1988 |
| 4687085 | Centrifugal clutch instantly engageable and disengageable A centrifugal clutch in which a centrifugal weight is formed separately from two engaging members which are disposed for frictional engagement with each other, the centrifugal weight being displaceable in response to centrifugal force produced therein to ... | 08/18/1987 |
| 4674612 | Auxiliary equipment transmission A two speed transmission including a direct drive and a reduced speed ratio. The transmission is directly coupled to a variable speed engine crankshaft and includes pulleys thereon for the driving of auxiliary engine equipment. A first drive train include... | 06/23/1987 |
| 4673073 | Centrifugal spring clutch A normally engaged wrap spring clutch includes a helical spring which normally is wrapped down on the outer surfaces of aligned input and output hubs to couple the latter. One end of the spring is anchored on the input hub and the other end is secured to ... | 06/16/1987 |
| 4641735 | Overload clutch with automatic reset There is disclosed a clutch which will release under overload and will reset automatically upon speed reduction of the driving element. Two radial bars are fixed to the driven shaft; a driving wheel is rotatably mounted on the driven shaft adjacent the ba... | 02/10/1987 |
| 4629042 | Drive arrangement for a motor vehicle A drive arrangement is provided for a motor vehicle in which a hydrodynamic torque converter is installed in the transmission between an engine and a handshift gear box. The hydrodynamic torque converter is equipped with a stop clutch which is responsive ... | 12/16/1986 |
| 4624351 | Friction disc clutch for a motor vehicle The friction disc clutch for a motor vehicle driven by an internal combustion engine comprises a flywheel which is driven through a rotationally elastic element by the crankshaft of the internal combustion engine. The mass-spring system of the drive path ... | 11/25/1986 |
| 4593798 | Idle restart clutching system An idle restart clutch system adopted to mechanically engage the crankshaft of an engine for use in restarting same comprising a spool body adapted to engage the crankshaft for rotating therewith; a momentum wheel mounted relative to the crankshaft for st... | 06/10/1986 |
| 4549628 | Power steering device A power steering device of an automotive vehicle, comprises an engine of the vehicle, a steering pump driven by the engine, an actuator, a control valve connected to both the steering pump and the actuator for controlling the amount and direction of power... | 10/29/1985 |
| 4512452 | Slip clutch A slip clutch for transmitting torque between a drive motor having an output member and a generator having an input member has a transmitting element including a spring element with a friction element, and a ventilator is connected with one of the members... | 04/23/1985 |
| 4494637 | Power transmission system for vehicles A power transmission system for vehicles comprising a driving member connected to a crankshaft of an engine and a driven member connected to a driving wheel, the driving and driven members being connected together via a one-way clutch, a friction clutch a... | 01/22/1985 |
| 4412460 | Two-speed couplings A two-speed drive coupling for connecting an engine of a motor vehicle with an accessory such as an alternator. The coupling comprises a driving member and a driven member with a sun gear being mounted on the driven member. A planet gear wheel holder is c... | 11/01/1983 |
| 4412605 | Engine fan clutch A fan clutch for a vehicle engine connects the engine cooling fan with the engine when the cooling effect of the engine fan is necessary and disconnects the fan when its cooling effect is not necessary. The clutch includes a driven member and a driving me... | 11/01/1983 |
