Transmission having coaxial lubricant pump

Details Transmission having coaxial lubricant pump Transmission having coaxial lubricant pump

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 57/04 (2010.01) B60K 17/35 (2006.01)

Patent

CA 2588232

A transmission has a lubricant pump (20) which is arranged in the interior of a transmission housing (2) and which includes a rotor (50) rotationally fixedly connected to a transmission shaft (5) in a pump housing (22), with the pump housing being rotationally fixedly connected to the transmission housing (2) and being sealed with respect to a cylindrical sealing surface (9) of the transmission housing, and with the lubricant pump pumping into a pressure chamber (41) which surrounds the transmission shaft (5) and which is sealed with respect to the transmission shaft. To achieve a good seal and centration of the pump housing, the pump housing (22) is sealed by means of a resilient ring (30) with respect to the cylindrical sealing surface (9) of the transmission housing (2), with the ring(30) being received by an outer peripheral groove (28) of the pump housing (22) with radial clearance (56) so that the pump housing (22) can adjust itself in the radial direction.

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