Clutches and power-stop control inventions 10/06

20060237275 - Control apparatus of lock-up clutch for vehicle: The vehicle start determining unit determines a vehicle starting state based on a vehicle speed and an accelerator pedal press-down degree. When the vehicle starting state is determined, the target slip value determining unit determines a target slip rotational speed based on the actual accelerator pedal press-down degree. In receipt...

20060237276 - One-way clutches: One-way clutches having different numbers of pawls (1006, 1007) and pockets in a “vernier” arrangement minimize relative rotation between the two clutch halves (101, 102) in the engagement direction. Noise is also reduced. Directionally sensitive biasing elements (1008) rather than springs are used in one-way clutches for extending or retracting...

20060237278 - Electronically controlled fluid coupling device: An electronically-controlled fluid coupling device having a front mounted fan and electrical actuation without a tethered harness. The fluid coupling device combines an inverted viscous clutch, drive pulley and a split electromagnetic actuator package. In this arrangement, the electrical portion of the split electromagnetic actuator is not physically attached to...

20060237277 - Shape memory alloy rotary actuator with capacitive position feedback: An engine mounted fan clutch is disclosed that utilizes an actuator including two shape memory alloy actuation wires to engage and disengage a valve arm and ultimately the fan. The actuator also includes a controller and a position sensor to accurately determine the position of a valve arm. The fan...

20060237279 - Synchronizer ring: The invention describes a A synchronizer ring (10) having a support body (5), including a conical friction surface (9), and having a friction layer (14) of a material including carbon fibers applied to the friction surface (9). The material is a compacted carbon fiber reinforced plastic. A synchronizer ring of...

20060231365 - One-way clutch of sprag type: The present invention provides a sprag type one-way clutch of disengaging type comprising an outer race having a substantially annular inner peripheral track surface, an inner race spaced apart from the outer race in a radial direction and disposed coaxially with and rotatable relative to the outer race and having...

20060231366 - One-way transmission device for a hub of a rear wheel of a bicycle, pawl carrying body for such device and hub comprising such device: A one-way transmission device for a hub of a rear wheel of a bicycle is presented. The device has a pawl carrying body and a plurality of pawls housed in respective seats formed on a pawl carrying body. The pawls are made of a material having high structural resistance, such...

20060231367 - Clutch mechanism body: A clutch mechanism has rotational driving force outputting members connected to a rotational driving force input system, rotational driving force receiving members connected to a rotational driving force output system, and a pressing mechanism for pressing the rotational driving force outputting members against the rotational driving force receiving members to...

20060231368 - Hydraulic clutch actuation system: A torque transfer mechanism for controlling the magnitude of a clutch engagement force exerted on a clutch pack that is operably disposed between a first rotary member and a second rotary member includes a hydraulic clutch actuation system. The hydraulic clutch actuation system includes a primary fluid circuit coupled to...

20060231369 - Clutch disc assembly with direct bond ceramic friction material: A clutch disc assembly for a friction torque device has a clutch damper assembly which includes a hub defining an axis of rotation. The damper assembly includes a plurality of cushion elements extending radially outwardly away from the axis of rotation. A first friction ring includes a backer plate fixed...

20060225983 - Rotary force controlling apparatus and image forming apparatus including the same: A rotary force controlling apparatus and an image forming apparatus including the same are provided. The rotary force controlling apparatus includes a clutch device having a shaft, and a rotary body mounted at one end of the shaft. A housing receives and rotates together with the shaft. A power transferring...

20060225984 - On-vehicle hybrid drive apparatus: In an on-vehicle hybrid drive apparatus including a power-transmission shaft transmitting rotation generated from an engine into a transmission, and a motor-and-generator fitted on the power-transmission shaft and installed between the engine and the transmission, a first friction element is installed on the engine side for coupling the engine with...

20060225985 - Residual magnetic devices and methods: Residual magnetic locks, brakes, rotation inhibitors, clutches, actuators, and latches. The residual magnetic devices can include a core housing and an armature. The residual magnetic devices can include a coil that receives a magnetization current to create an irreversible residual magnetic force between the core housing and the armature....

20060219509 - System and method for controlling engagement of a clutch: A method for controlling engagement of a clutch in a work machine includes determining a relative speed of the clutch of the work machine and selectively adjusting an actuation pressure applied to the clutch based at least in part on the clutch relative speed....

20060219510 - Unidirectional transmission for an alternator assembly: A unidirectional transmission for an alternator assembly includes a two way bearing and a separately-housed unidirectional bearing. The two-way bearing is coupled between a pulley and a rotor shaft, and is operable to provide substantially neutral rotational coupling between the pulley and the rotor shaft. The separately-housed unidirectional bearing is...

20060219511 - One-way clutch and method for assembling same: The present invention provides a one-way clutch comprising an outer race having an annular inner peripheral track surface, an inner race having an annular outer peripheral track surface and spaced apart from the outer race inwardly in a radial direction and disposed concentrically and rotatable integrally with respect to the...

20060219512 - Electromagnetic clutch: In this electromagnetic clutch, only each of the plate springs is connected to the second rotor by first connecting members. Therefore, each of the first holes of the plate springs is accurately positioned to the position of each of the second holes of the extended portion. That is, it is...

20060219513 - Residual magnetic devices and methods: Residual magnetic locks, brakes, rotation inhibitors, clutches, actuators, and latches. The residual magnetic devices can include a core housing and an armnature. The residual magnetic devices can include a coil that receives a magnetization current to create an irreversible residual magnetic force between the core housing and the armature....

20060219514 - Electromagnetic clutch: In this electromagnetic clutch, a compressive force is generated in a plate spring when an armature plate is contact with a first rotor. Therefore, a force in the direction away from the first rotor acts on a first bent portion of a plate spring. However, an extension portion of a...