About 25 results
https://drivepatents.com/patents/968085 · 29 Oct 2014
Disclosed is a shift shock reduction system of an electrically driven utility vehicle. The shift shock reduction system according to the present invention comprises: a motor controller which controls an output of a motor; an automatic transmission which ha...
https://drivepatents.com/patents/969309 · 1 Oct 2014
A controller (100) for an electric bicycle (1), which can generate assist torque by means of an electric motor (60), includes a control unit (105) that is adapted to supply power to the electric motor (60) in response to a signal output from a pedal torque...
https://drivepatents.com/patents/970290 · 10 Sep 2014
A motor control unit (1) controls an operation of a motor (2) connected to a wheel (4) via a clutch (3) that allows or interrupts torque transmission between the motor (2) and the wheel (4). The motor control unit (1) includes: a microcomputer (11) that ou...
https://drivepatents.com/patents/970667 · 3 Sep 2014
An electric vehicle comprises an electric motor for generating driving power transmitted to a drive wheel via a driving power transmission path; a manual transmission which selects one driving power transmission path from among plural driving power transmi...
https://drivepatents.com/patents/979568 · 15 Jan 2014
A gear-shifting system (10)(10') for a power-assisted bicycle (90) includes: a power supply module (11); a microcomputer (21)(21'); a gear-shifting driver (31); and a pedal position sensing module (41) for detecting an angular position of a crank (95) of t...
https://drivepatents.com/patents/981735 · 20 Nov 2013
A motor drive control device of an electric power-assisted vehicle that has a gear shifter and a motor, and in which a first ratio of the number of drive rotations in the motor to the number of drive rotations of a pedal changes based on changes in a gear ...
https://drivepatents.com/patents/982944 · 23 Oct 2013
A manual transmission of the present apparatus has an EV travel gear position (the 1-st gear) for EV travel performed through use of only drive torque of a motor connected to the output shaft of the transmission, and EG travel gear positions (the 2-nd gear...
https://drivepatents.com/patents/983789 · 2 Oct 2013
In a reduction-transmission mechanism, an input member is arranged at such a position that a size obtained by adding a fitting clearance formed between a ball bearing and an outer periphery of an eccentric portion, a fitting clearance formed between the ba...
https://drivepatents.com/patents/1004773 · 29 Feb 2012
A power-assisted bicycle (10) includes a controller for detecting a torque value of a pedaling torque applied to a crankshaft (36) and controlling an output of a brushless motor (46) according to the torque value detected is provided. The power-assisted bi...
https://drivepatents.com/patents/1005217 · 15 Feb 2012
The method involves storing electrical energy generated by electrical machine (1) in energy store (5) during generator mode. The charge state of energy store is compared with preset lower threshold so as to detect error state. The electrical machine is swi...