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| Number | Title | Issue Date |
| 7195581 | Power transmission device having a torque converter with a lockup clutch and lockup control method for torque converter A controller (5) performs open loop control of the engaging state of a lockup clutch (2) through a switching mechanism (3, 4) when a torque converter (1) transitions from a first state in which the lockup clutch (2) is disengaged t... | 03/27/2007 |
| 7195577 | Differential of four-wheel drive vehicle A differential case (2) comprises a hollow shaft (2b) for transmitting the rotation of an output gear of a transmission to a transfer and houses a pair of pinions (4) and a pair of side gears (7R, 7L) which mesh with the pin... | 03/27/2007 |
| 7192371 | System and method of controlling V-belt type continuously variable transmission A system for controlling a V-belt type CVT is constructed to change a first position of a step motor to a second position of the step motor corresponding to a second target shift ratio if it is determined that the primary-pulley pressure fails to reach a predetermin... | 03/20/2007 |
| 7192383 | Control apparatus and method for automotive vehicle in which a belt-type continuously variable transmission is equipped with a belt slip preventive feature In control apparatus and method for an automotive vehicle, the vehicle having a continuously variable transmission associated with a vehicular engine and including a belt that transmits a revolution of a primary pulley to a secondary pulley that is enabled to make a... | 03/20/2007 |
| 7192380 | Toroidal continuously variable transmission In a toroidal continuously variable transmission, a primary oil pump is driven by an engine, whereas a secondary oil pump is driven in response to rotation of a road wheel. A hydraulic servo mechanism is connected to a trunnion to create an offset of the trunnion fr... | 03/20/2007 |
| 7140991 | Shift control system, and control apparatus and method for belt-type continuously variable transmission A shift control system includes a belt-type continuously variable transmission (CVT) with primary and secondary pulleys, a shift actuator that regulates an oil pressure supplied to the primary or secondary pulley to vary an actual transmission ratio of the CVT, and ... | 11/28/2006 |
| 7074144 | Hydraulic control apparatus for vehicle with belt-drive continuously variable transmission Hydraulic control apparatus includes a belt-drive CVT, a pressure regulator valve (P.REG.V) regulating the oil pressure produced by an oil pressure source, a controller programmed to develop a transmission control signal, a transmission actuator driven based on the ... | 07/11/2006 |
| 7039516 | Belt type continuously variable transmission A belt type continuously variable transmission includes a primary pulley (11), a secondary pulley (12), a belt (13) wound around the primary pulley and secondary pulley; a sensor (27, 21) for detecting a vehicle running state; and a contr... | 05/02/2006 |
| 7024298 | Control apparatus for vehicle provided with an automatic transmission, and method of controlling the same A vehicle is provided with an engine (1), an automatic transmission (2) connected to the engine (1), a detection device (21–24, 31) which detects an operating state of the transmission (2), and a torque regulating mechanism (1... | 04/04/2006 |
| D516441 | Vehicle recording device | 03/07/2006 |
| 6960153 | Clutch engagement control of automatic transmission A clutch engagement control device controls the engagement of a forward clutch (32) and reverse clutch (33) in an automatic transmission connected to an engine (70) in a vehicle. An inhibitor switch (56) outputs a range signal in accordan... | 11/01/2005 |
| 6923158 | Engine torque control apparatus An engine torque control apparatus for controlling the output torque of an engine (60) connected to a transmission (40) in a vehicle has a temperature sensor (55) for detecting the temperature of oil used by the transmission (40), and a c... | 08/02/2005 |
| 6889130 | Shift control system for automatic transmission In a shift control system for an automatic transmission, shelf-pressure control means include means for increasing the engagement pressure of the friction elements at a first gradient as previously set after output of the shift command, wherein after output of the s... | 05/03/2005 |
| 6884197 | Gear shifter for automatic transmission A gear shift control apparatus has a higher degree of freedom for selecting a gear ratio than that of a Ravigneaux type composite planetary gear train, while achieving a strength advantage of the gear train, an improvement in the fuel economy, a coaxial positioning ... | 04/26/2005 |
| 6880330 | Torque converter A torque converter defines an ellipticity lower than or equal to 0.23 which is an outermost length of the torque converter in an axial direction, divided by an outermost diameter of the torque converter in a radial direction. The torque converter includes: a pump im... | 04/19/2005 |
| 6874525 | Linear solenoid valve control device Disclosed is a control device for controlling a two-way linear solenoid valve (60) including a pressure regulating port (60p) which communicates with a hydraulic circuit side, a drain port (60d) which communicates with a drain side... | 04/05/2005 |
| 6685597 | Line pressure control system for automatic transmission A line pressure control system for an automatic transmission wherein a shift range is determined by selectively engaging friction elements by means of a line pressure controlled according to an input torque of said automatic transmission. In the present i... | 02/03/2004 |
| 6679796 | Transmission unit for hybrid vehicle In a transmission unit for a hybrid vehicle, an electromagnetic clutch, a motor, and a continuously variable transmission CVT are disposed in the transmission unit and a resolver to detect a position of a rotor of the motor is disposed on an input axle to... | 01/20/2004 |
| 6663533 | Lock-up control system for torque converter A lock-up control system for a torque converter which includes a lock-up clutch engageable under control of an engaging capacity of the lock-up clutch to thereby lock up input and output elements of the torque converter. The control system is operative du... | 12/16/2003 |
| 6602166 | Slip limiter device for torque converter A device for limiting slip of a torque converter at its high temperature condition performs a slip limiting control by reducing slip rotation between an input element and an output element of the torque converter in a low-load operation region of an engin... | 08/05/2003 |
| 6599215 | Pre-charge control system of automatic transmission A control system for controlling operation of a pre-charge system of an automatic transmission. The control system comprises a first section which receives first and second gear change instructions which are issued in succession. The first and second gear... | 07/29/2003 |
| 6597979 | Lock-up control system for automatic transmission A lock-up control system for an automatic transmission includes a torque converter and a lock-up clutch. The controller includes a lock-up control section. The lock-up control section includes a first lock-up releasing control section adapted to gradually... | 07/22/2003 |
| 6543593 | Shift control apparatus for automatic transmission If, in a gear shift from one-way clutch involved gear speed to another gear speed, the inertia phase control time) is less than a predetermined time length, or the effective gear ratio on the inertia phase end detection instant is out of a range between b... | 04/08/2003 |
