About 81 results
https://drivepatents.com/patents/971656 · 6 Aug 2014
An in-wheel motor drive assembly is provided of which a reduction mechanism and a bearing supporting a rotor shaft can be reliably lubricated with oil. The assembly includes a motor case (10) defining a motor chamber (17) and a reduction mechanism chamber ...
https://drivepatents.com/patents/974358 · 28 May 2014
A wheel drive unit (100) comprises: a planetary gear mechanism (10) including a planetary gear (24) and an internally-toothed gear (28); a casing (30) integrated with the internally-toothed gear (28), a wheel (48) being attached to the casing, and the casi...
https://drivepatents.com/patents/974329 · 28 May 2014
A planetary gear device (10) comprises planetary shafts (20), a planetary gear (24) supported on the planetary shafts (20) via bearings (22), and an internally-toothed gear (28A). The planetary shafts (20) are arranged at positions offset from a shaft cent...
https://drivepatents.com/patents/974656 · 21 May 2014
A wheel drive unit (100) includes: a planetary gear mechanism (10) including an externally-toothed gear (24, 26) and an internally-toothed gear (28); a casing (30) integrated with the internally-toothed gear (28), a wheel (48) being attached to the casing,...
https://drivepatents.com/patents/975007 · 14 May 2014
The rear wheel driving device 1 includes: an electric motor 2A connected to a left rear wheel LWr; an electric motor 2B connected to a right rear wheel RWr; and a control device 8 for controlling the electric motors 2A and 2B. The control device 8 controls...
https://drivepatents.com/patents/975593 · 30 Apr 2014
A motor driving force transmission system with which generation of NV can be suppressed is provided. A motor driving force transmission system 1 includes an electric motor 4 that generates motor torque for actuating a differential mechanism portion and out...
https://drivepatents.com/patents/977802 · 5 Mar 2014
An oil pump(s) (32) is drivingly controlled in such a way that, in a low vehicle speed region lower than a set vehicle speed VSP1 at which a stirring resistance by oil within an in-wheel unit case (3) is not in excess of an allowance level, a suction and s...
https://drivepatents.com/patents/978346 · 19 Feb 2014
When oil levels of left and right in-wheel motor units are different from each other in a high vehicle speed region (VSPā„VSP1) in which an oil stirring resistance exceeds a permission level, a difference of the oil stirring resistances between left and r...
https://drivepatents.com/patents/979765 · 15 Jan 2014
An electric vehicle includes an in-wheel motor drive system (8). The in-wheel motor drive system (8) includes a wheel bearing unit (4) rotatably supporting a drive wheel (2), a motor unit (6), and a reducer unit (7). The electric vehicle also includes a di...
https://drivepatents.com/patents/979772 · 15 Jan 2014
An electric vehicle including a plurality of motors for individually driving left and right drive wheels is provided with a motor abnormality detector for detecting the occurrence of an abnormality in each of the motors and one side abnormality response co...