About 24 results
https://drivepatents.com/patents/982607 · 30 Oct 2013
A crankshaft is normally and reversely rotated at a constant speed, during which the singular points ((a), (b), (c), (d)) of crankshaft driving motor current (i) responding to the drive torque change of the crankshaft are detected. A crankshaft rotational ...
https://drivepatents.com/patents/989915 · 12 Jun 2013
Provided an electrically-operated hydraulic actuator unit that includes an electrically-operated motor controlled by a control apparatus and actuating a volume adjusting mechanism through driving-side and driven-side arms, and a clutch mechanism in which t...
https://drivepatents.com/patents/1016017 · 2 Feb 2011
The drive (1) has hydro motors (6, 8) connected with each other via an operating line section (9). A bypass line (14) connects a stream upward connector (9) of one of hydro motors (8) and a stream downward connector (7) of the hydro motors. A minimum press...
https://drivepatents.com/patents/1074516 · 31 Aug 2005
The invention relates to a vehicle drive device comprising an actuator located between an electric motor (30) and axles (34A,34B) for driving the vehicle, a built-in power source for supplying electric power to the actuator, and a control means for control...
https://drivepatents.com/patents/1082697 · 3 Nov 2004
A drive system changing device actuated in an emergency operation is characterized by having a vehicle speed detecting means (5) for detecting a vehicle speed before a deceleration; a deceleration detecting means (6) for detecting a negative acceleration d...
https://drivepatents.com/patents/1092043 · 5 Nov 2003
A system is provided, which controls a starting and the subsequent vehicle acceleration procedure of a motor vehicle. The system compares a predetermined variable that grows continuously during the starting procedure to a threshold value. It determines a f...
https://drivepatents.com/patents/1092047 · 5 Nov 2003
A drive system for an automotive vehicle of the front-and-rear wheel drive type, comprising a primary drive mechanism (10a) for drive of a set of front road wheels (13e) and an ancillary drive mechanism (10b) for drive of a set of rear road wheels (19d), w...
https://drivepatents.com/patents/1092422 · 22 Oct 2003
Disclosed is a power controlling device for a four-wheel drive vehicle capable of shifting a stable drive mode. The power controlling device includes an electromagnet 200, and a shift rod 210 operated by a magnetic field generated by the electromagnet 200 ...
https://drivepatents.com/patents/1096181 · 7 May 2003
A four-wheel drive vehicle includes a caupling, which varies the distribution ratio of torque to the front wheels and the rear wheels. The distribution ratio of torque to the front wheels and the rear wheels is determined by the engaging force of the coupl...
https://drivepatents.com/patents/1097594 · 12 Mar 2003
A vehicle comprises a motor (4) and a wet clutch (12) for transmission of torque output of the motor to road wheels of the vehicle and transmission of road load from the road wheels to the motor (4). The wet clutch is disengaged in response to a clutch dis...