Mechanical and hydraulic composite transmission device

Details Mechanical and hydraulic composite transmission device Mechanical and hydraulic composite transmission device

2011-08-16

2011-08-16

Holmes, Justin (Department: 3655)

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid pump and motor in one of plural paths to or from...

C180S377000

Reexamination Certificate

active

07998009

ABSTRACT:
The present invention relates to a mechanical and hydraulic composite transmission device which includes an engine, a transmission, a planetary gear case, a variable displacement hydraulic pump, a hydraulic motor and a transmission gearbox. The planetary gear case distributes the power driven by the engine to drive the variable displacement hydraulic pump and the center gear respectively. The variable displacement hydraulic pump is connected with and drives a hydraulic motor and a half shaft orderly. The half shaft converges a mechanical power flow driven by the center gear and a hydraulic power flow driven by the hydraulic motor, and extends out of the planetary gear case so as to export power. The special vehicle can run at stepless variable speed under the mechanical and hydraulic composite transmission means while the working device on the vehicle is driven under the mechanical transmission means to work.

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Kepu Wu, “The Hydraulic Transmission Disscussion” Beijing University of Technology, pp. 23-26.

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