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Class 192/35 - Pilot mechanism


Subclass of Class 192 - Clutches and power-stop control
Definition: Clutches in which the initial action is to throw in a pilot-clutch
No. of patents: 429
Last issue date: 04/10/2012


1                      
NumberTitleIssue Date
8151958Power transmitting device
A cam mechanism is provided with a forward rotation plate and a reverse rotation plate. The respective plates are urged by the respective coil springs in the directions opposite to each other. When the number of rotations of the front wheels becomes great relative t...
04/10/2012
8127908Polycone clutch with roller ramp actuator
A torque transfer mechanism includes a friction clutch having first and second outer rings positioned on opposite sides of a center ring having conically shaped friction surfaces. The outer rings each include a plurality of conically shaped friction surfaces selecti...
03/06/2012
8037985Motorcycle including centrifugal clutch
A centrifugal clutch for an engine includes a pressure plate that presses a friction plate into a clutch plate is provided. The clutch may include a plurality of roller weights that move on respective cam surfaces in a radially outward direction relative to the pres...
10/18/2011
7980371Selectable mode clutch
A clutching device includes an outer race, an inner race, a plurality of rollers and an actuator plate. The outer and inner races have axial ridges to define opposed outer and inner race pockets. The rollers are positioned in the outer and inner race pockets. The cl...
07/19/2011
7954612Driving-force transmission apparatus
An apparatus includes an input-side rotating member 2 driven by an engine (driving source) 90, an output-side rotating member 3 for driving an input member, such as a gear part 25 of a rear differential (driving-force distributing mechani...
06/07/2011
7874413Rotation transmission device
A rotation transmission device which can quickly change the direction of rotation includes an inner ring having cam surfaces on its outer periphery, an outer ring having a cylindrical surface on its inner periphery, and pairs of circumferentially opposed rollers, th...
01/25/2011
7849988Power transmitting device
In a power transmitting device, projections are formed on a surface of a main cam that faces an armature. This structure causes the main cam to contact the armature only at distal surfaces of the projections. The area of the distal surfaces of the projections is in ...
12/14/2010
7845479Electromagnetic clutch
An electromagnetic clutch is provided with: a clutch hub which is connected to a shaft member (one of a pair of rotation members); a clutch housing which is connected to a hollow shaft (the other of a pair of rotation members); a rotor which is connected to the clut...
12/07/2010
7815028Clutch plate, friction clutch, and coupling device
A friction clutch includes an iron inner clutch plate and two iron outer clutch plates. Each clutch plate has a sliding surface that friction-engages with the other clutch plates. A diamond-like carbon film containing silicon, which functions as a solid lubricant, i...
10/19/2010
7779978Selectable mode clutch
A clutching device includes an outer race, an inner race, a plurality of rollers and an actuator plate. The outer and inner races have axial ridges to define opposed outer and inner race pockets. The rollers are positioned in the outer and inner race pockets. The cl...
08/24/2010
7694791Driving force transmitting apparatus
A driving force transmitting apparatus includes: a first torque-transmitting member having a cylindrical portion and provided with a spline tooth; a second torque-transmitting member positioned inside the cylindrical portion and arranged coaxially rotatably relative...
04/13/2010
7654375Rotation transmission device
A rotation transmission device includes a roller clutch unit for selectively engaging an inner member mounted on a rotary shaft with an outer ring through rollers, and an electromagnetic clutch unit for electromagnetically controlling the selective engagement by the...
02/02/2010
7604105Rotation transmission device
A rotation transmission device includes inner and outer rings and a two-way clutch therebetween. An electromagnetic clutch is provided to selectively engage and disengage the two-way clutch, and includes an electromagnet having a core to which a flange is secured. T...
10/20/2009
7568568Hydraulic coupling with disconnect clutch
A power transfer assembly for use in a motor vehicle and having a hydraulic coupling operable to transfer drive torque to a driveline in response to slip. The hydraulic coupling includes a transfer clutch, a clutch operator for engaging the transfer clutch, a fluid ...
08/04/2009
7562753Transaxle of multi-wheel drive vehicle
A transaxle for auxiliary wheels of a vehicle having a main drive wheel and left and right auxiliary drive wheels, comprises: a gear to which a rotary force for driving the main drive wheel is distributed; a pair of left and right axles drivingly connected to the re...
07/21/2009
7419039Rotation transmission device
A rotation transmission device includes inner and outer rings, a two-way clutch mounted between the outer and inner rings, and an electromagnetic clutch mounted adjacent to the two-way clutch. The electromagnetic clutch includes a rotor guide pressed onto the outer ...
09/02/2008
7410040Conical clutch pack actuator especially for a transfer case
An actuator for selectively causing axial compression of friction elements in a clutch is disclosed. The actuator comprises a pair of beveled wedge washers and a bearing race supported between the washers. The race supports conical bearing rollers in a generally rad...
08/12/2008
7364024Apparatus for driving and braking a cutting blade of a lawn mower
An apparatus for driving and braking a cutting blade of a lawn mower is disclosed. The apparatus includes a shaft for rotating the blade, and a pulley driven by the engine. The shaft extends through a housing. The apparatus includes means for biasing the pulley towa...
04/29/2008
7361117Differential limiter
A differential limiter, including: differential mechanism, including: input member, first output member, second output member, and differential gear connecting the above three members so that the above three members differentially rotate; shaft member connected to t...
04/22/2008
7357236Pressure relief valve actuator for hydraulic torque coupling actuator
A hydraulically actuated torque coupling assembly that has an actuator plate mechanism integrated within the pressure relief valve assembly. The actuator plate includes a valve closure member and two alignment pins. The valve closure member is disposed adjacent to a...
04/15/2008
7350632Mechanical clutch unit
The present invention provides clutch systems for the control of the transmission of torque to the front (or rear) wheels of a vehicle (e.g., an ATV), thus being operable to change the vehicle from a two-wheel, rear-drive (or front-drive) vehicle to a four wheel dri...
04/01/2008
7341541Method to reduce backlash in a drive train
A method to reduce backlash in a drive train of a four-wheel drive vehicle, the method including receiving rotational parameters from sensors in the four-wheel drive vehicle, determining a torque reversal in the drive train based on the received rotational parameter...
03/11/2008
7338403Torque coupling with power-operated clutch actuator
A torque transfer mechanism and a control system are disclosed for adaptively controlling the transfer of drive torque between first and second rotary members in a power transmission device of the type used in motor vehicle driveline applications. The torque transfe...
03/04/2008
7337053Stability-enhanced traction control with electrically controlled center coupler
A control system for a vehicle having first and second axles is provided that includes a coupling apparatus adapted to distribute torque between the first and second axles and a traction controller for controlling operation of the differential apparatus from vehicle...
02/26/2008
7325361Apparatus and method for providing a modular sliding door mechanism
A modular drive assembly for a sliding door, comprising: a guide track having a hinge slidably received therein; a pair of pulleys disposed on either end of the guide track; a pair of cables each having an end that is secured to the hinge and the other end is secure...
02/05/2008
7318511Coupling device independent of differential speed
A coupling device (11;111) including a rotatable housing (13,15;113) defining a clutch cavity and a clutch assembly (29;129) disposed therein. The housing defines an apply chamber (37;137) and a clutch apply member (39) disposed th...
01/15/2008
7316156Limited slip differential performance simulation procedure
A method of simulating a split μ axle test for limited slip differentials for automotive applications. The method includes treating a clutch pack for a limited slip differential in a lubricant composition for a first period of time at a predetermined temperature. T...
01/08/2008
7287634Torque transmitting unit and drive train for it
The invention relates to a torque transmission device, especially for a drive train comprising an internal combustion engine and a twin-clutch transmission having two transmission input shafts and one transmission output shaft, each transmission input shaft being co...
10/30/2007
7287635Force -transmission unit comprising speed -dependent hydraulic clutch and centrifugal force compensation
A power transmission unit with a hydraulic coupling dependent on a rotational-speed difference, in which, when a rotationalspeed difference occurs between the input member (1) and the output member (6), a hydrostatic displacement machine (20) pr...
10/30/2007
7281617Active torque coupling with hydraulically-actuated rotary clutch actuator
A torque transfer mechanism having a multi-plate friction clutch connecting a pair of rotary members and an electrohydraulic clutch system for controlling engagement of the friction clutch. The electrohydraulic clutch system can include an actuator with first and se...
10/16/2007
7278943Power transmission device with electrohydraulic clutch actuator
A torque transfer mechanism having a multi-plate friction clutch connecting a pair of rotary members and an electrohydraulic clutch actuator for controlling engagement of the friction clutch. The clutch actuator includes a hydraulic pump, a hydraulically-actuated ro...
10/09/2007
7278947Power transfer unit for four-wheel drive vehicle
A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, first and speed changing...
10/09/2007
7278946Power transfer device with overrunning mode clutch
A controllable, multi-mode, bi-directional overrunning mode clutch and a shift system adapted for use in a power transfer assembly for transferring drive torque from a primary driveline to a secondary driveline so as to establish a four-wheel drive mode. The mode cl...
10/09/2007
7276010Drive force transmission device
A main clutch is disposed radially outward on a differential mechanism. There is no need to reserve space to install the main clutch at the end of the differential mechanism opposite from a differential case. Thus, the axial length of an LSD can be reduced, providin...
10/02/2007
7267142Method for increasing the torque of a pre-tensioned spring that is wound around a rotating body comprising a longitudinal axis
The present invention relates to a method wherein a first end and a second end of a pre-tensioned spring are positioned against a first and second stop. A rotating body is first rotated about its longitudinal axis such that the first end engages once in a cam wheel ...
09/11/2007
7255213Clutch device
In an embodiment, the invention includes a clutch device including a first friction clutch disposed between an input member and an output member, a second friction clutch adapted to go into a power cut-off state upon exertion thereon of a clutch releasing force, and...
08/14/2007
7247118Limited slip differential device
A limited slip differential device has differential gears, a clutch to limit the differential function of the differential gears, and a electromagnetic solenoid including a plunger and a coil. The plunger is set to move forward to engage the clutch by electromagneti...
07/24/2007
7240779Transmission device
Transmission device comprising a first rotary member mounted coaxially on a second rotary member. The first rotary member can rotate in one direction independently from the second rotary member, and in the opposite direction is constrained to the second rotary membe...
07/10/2007
7238134Torque vectoring drive axle assembly
A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, a speed changing unit op...
07/03/2007
7237662Selectable one-way torque transmitter with a friction torque transmitter actuator
A selectively operable one-way torque-transmitting mechanism has a friction actuator, which is operable to adjust the position of torque-transmitting members between the inner and outer race of the selectable one-way torque-transmitting mechanism. In an unactuated p...
07/03/2007
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