F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 39/04 (2006.01) B60K 17/06 (2006.01) B60K 17/10 (2006.01) F16H 47/04 (2006.01)
Patent
CA 2138313
An infinitely variable hydrostatic torque-routing transmission with at least two operating ranges shiftable via switching elements includes a first, mechanical part, including a planetary differential gear, and a second, hydrostatic part, including two adjustable hydrounits. The hydrounits are coupled to each other energetically, are operable in both directions as pump or motor, and are coupled to the mechanical part. The ring gear is coupled, in the various operating ranges, for control of the direction of rotation and speed of rotation of the transmission output shaft, to a first hydrounit, and with the second hydrounit being in the first operating range in drive connection with the transmission output shaft via an alternating switching element, while the first hydrounit, connected to the ring gear, operates as a pump and the second hydrounit as a motor. The ring gear, by means of a second alternating switching element, can be selectively coupled by way of a first gear drive or a second gear drive to the input or output shaft of the first hydrounit. The first gear drive is structured such that the ring gear and the input or output shaft of the first hydrounit rotate in different directions when the ring gear is coupled to the first hydrounit via the first gear drive. The second gear drive is structured such that the ring gear and the input or output shaft of the hydrounit rotate equidirectionally when the ring gear is coupled to the first hydrounit via the second gear drive.
J.m. Voith Gmbh
Mccarthy Tetrault Llp
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