About 201 results
Showing the first 200 results.
https://drivepatents.com/patents/994739 · 26 Dec 2012
Disclosed is an electric power-assisted bicycle which includes a speed reducer, an electric motor, and a transmission mechanism in parallel along an axle, and thus the devices are made compact. In order to solve the problem mentioned above, the electric po...
https://drivepatents.com/patents/995455 · 5 Dec 2012
An object of the invention is to provide a pump tappet capable of bearing a large load from a pump plunger even if a case, which is a constituent member of the pump tappet, has a reduced thickness in its intermediate bottom. The invention thus contributes ...
https://drivepatents.com/patents/996516 · 31 Oct 2012
A hub wheel (21) and an outer joint member (3) are coupled to each other through intermediation of a recess-projection fitting structure (M). The recess-projection fitting structure (M) can be separated by being applied with a pulling-out force in an axial...
https://drivepatents.com/patents/997169 · 17 Oct 2012
Even when the effective radii of wheels differ from each other because of a change in tire pneumatic pressure, the difference in driving force between left and right drive wheels are substantially zeroed to suppress a turning force to thereby increase the ...
https://drivepatents.com/patents/997148 · 17 Oct 2012
An in-wheel motor drive device 21 includes: a motor portion A; a speed reduction portion B that reduces the speed of rotation of the motor portion A to output the rotation having the reduced speed to an output shaft 28; and a wheel hub 32 coupled to the ou...
https://drivepatents.com/patents/997682 · 3 Oct 2012
The in-wheel motor drive assembly 21 includes: a motor unit A; a wheel hub bearing unit having a tubular wheel hub 32, a cylindrical outer-ring-side member 22c surrounding the outer circumferential surface of the wheel hub, and a wheel hub bearing 33 dispo...
https://drivepatents.com/patents/998185 · 19 Sep 2012
An in-wheel motor drive assembly 21 includes: a motor unit A; a speed reduction unit B having an output shaft 28 reducing the rotational speed of the motor rotary shaft 35 and outputting the reduced rotation and a speed-reduction-unit casing 22b forming a ...
https://drivepatents.com/patents/999372 · 15 Aug 2012
This air-cooled type in-wheel motor drive assembly 21 includes a lubrication oil circuit for lubricating a speed reduction unit B by allowing lubrication oil discharged from a lubrication oil pump 51 to flow through interconnected oil passages 54, 55, 56 p...
https://drivepatents.com/patents/1000415 · 18 Jul 2012
An object is to provide a compact power transmission device which comprises a small number of parts and is compact in size, and which can transmit the rotation of a rotary shaft to a wheel with a high reduction ratio. A rotary shaft 11 is provided so as to...
https://drivepatents.com/patents/1000274 · 18 Jul 2012
A motor drive apparatus for a vehicle is provided which can prevent its transmission and motor from being rotated by vehicle wheels, and which allows quick gear change. This apparatus includes an electric motor (10), a first shaft (21) driven by the electr...