Invention Application
- Patent Title: Hydraulic Parallel Path Continuously Variable Transmission
- Patent Title (中): 液压平行路径连续可变传动
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Application No.: US14334006Application Date: 2014-07-17
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Publication No.: US20160017992A1Publication Date: 2016-01-21
- Inventor: Brian Lister
- Applicant: Caterpillar Inc.
- Applicant Address: US IL Peoria
- Assignee: Caterpillar Inc.
- Current Assignee: Caterpillar Inc.
- Current Assignee Address: US IL Peoria
- Main IPC: F16H61/4069
- IPC: F16H61/4069 ; F16H61/472 ; F16H61/47 ; F16H47/04

Abstract:
A hydro-mechanical continuously variable transmission utilizing a variator having a pump hydraulically interconnected with a motor wherein shutoff valves are provided between the pump and the motor and wherein the motor includes an output line having a restricting valve therein such that the pump may be hydraulically decoupled from the motor and the restricting valve on the motor output may be controlled to achieve a desired motor torque.
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