Patent ID: 7527114

Claim:
An axle ( 1 ) with wheel hub drive, comprising: a motor housing ( 11 ) including an electric motor ( 3 ) and having a neck ( 7 ) containing at least one cooling fluid channel ( 8 , 9 ) for flow of a cooling fluid, a wheel head ( 2 ) including: a hub mounting ( 12 ) rotatably mounted to the neck ( 7 ) of the motor housing ( 11 ) and including a wheel bearing ( 5 ) for a wheel ( 6 ), and an annular cooling fluid channel ( 10 ) arranged circumferentially with the wheel bearing ( 5 ) and connected with the at least one cooling fluid channel ( 8 , 9 ) in the motor housing ( 11 ), thereby providing a flow of cooling fluid to cool at least the wheel bearing ( 5 ).