Patent ID: 7703352

Claim:
A hydrostatic-mechanical transmission comprising: at least one radial piston motor ( 1 ) comprising a crankshaft ( 2 ) with an eccentric section ( 3 ), the crankshaft ( 2 ) driving a spur gear ( 7 ) and being mounted by first and second bearings ( 12 , 13 ); wherein the crankshaft ( 2 ) is rotatably supported by at least the first and the second bearings ( 12 , 13 ) and a third bearing ( 14 ), the second bearing ( 13 ) is located between the spur gear ( 7 ) and the eccentric section ( 3 ) such that the eccentric section ( 3 ), the second bearing ( 13 ) and the spur gear ( 7 ) are all located between the first bearing ( 12 ) and the third bearing ( 14 ), and the transmission has a housing comprising first, second and third transmission housing portions ( 5 , 6 , 15 ), the spur gear ( 7 ) and the first bearing ( 12 ) are arranged within the first housing portion ( 15 ), the second bearing ( 13 ), located between the spur gear ( 7 ) and the eccentric section ( 3 ), is supported by the second housing portion ( 6 ), and the third bearing ( 14 ) is supported by the third housing portion ( 5 ).