Invention Grant
- Patent Title: System and method for controlling endload force of a variator
- Patent Title (中): 用于控制变换器的端载力的系统和方法
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Application No.: US12966172Application Date: 2010-12-13
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Publication No.: US08821340B2Publication Date: 2014-09-02
- Inventor: Brian Schoolcraft
- Applicant: Brian Schoolcraft
- Applicant Address: US IN Indianapolis
- Assignee: Allison Transmission, Inc.
- Current Assignee: Allison Transmission, Inc.
- Current Assignee Address: US IN Indianapolis
- Agency: Barnes & Thornburg LLP
- Main IPC: F16H15/38
- IPC: F16H15/38

Abstract:
A system and method for controlling the endload force of a variator includes reducing a net force applied to a variator input disc of the variator. The variator includes an endload chamber, a subtraction chamber, and a valve fluidly coupled between the endload chamber and the subtraction chamber. Each of the endload chamber and the subtraction chamber applies an opposing force to the variator input disc. The valve is activateable to reduce the net force applied to the variator input disc. The valve may be activated based on the variator ratio, the position of the variator roller, and/or other parameters of the variator or operation thereof.
Public/Granted literature
- US20110152031A1 SYSTEM AND METHOD FOR CONTROLLING ENDLOAD FORCE OF A VARIATOR Public/Granted day:2011-06-23
Information query
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