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US 2010/0146960 A1Published application
Externally mounted variator for split torque transmission
AssigneeCaterpillar Inc.
InventorsGlen P. Calvert, Darren J. Hopf, Tony L. Marcott, Anandkumar Dhanaraj
Life of this patent
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Abstract
A split torque transmission for a work machine is provided. The split torque transmission includes a transmission housing. A variator pump is mounted to an exterior surface of the transmission housing. A variator motor is operably coupled to the variator pump and mounted to the exterior surface of the transmission housing.
Claims20
A split torque transmission for a work machine comprising:
- a transmission housing;
- a variator pump mounted to an exterior surface of the transmission housing;
- and
- a variator motor operably coupled to the variator pump and mounted to the exterior surface of the transmission housing.
1 more element
A machine comprising:
- an engine;
- a mechanical transmission operably coupled to the engine at least a portion of which is housed in a transmission housing;
- and
- a hydrostatic transmission including a variator pump and a variator motor, wherein the variator pump is operably coupled to the engine and mounted to an exterior surface of the transmission housing and the variator motor is operably coupled to the variator pump and mounted to the exterior surface of the transmission housing.
1 more element
A transmission:
- a mechanical transmission at least a portion of which is housed in a transmission housing and having an output;
- and
- a hydrostatic transmission including a variator pump and a variator motor, wherein the variator pump is mounted on an exterior surface of the transmission housing and the variator motor is operably coupled to the variator pump and is mounted on the exterior surface of the transmission housing, the variator motor being operable to transmit torque to the output of the mechanical transmission.
Dependencies are inferred from the claim text.