发明申请
- 专利标题: BRAKING SYSTEM
- 专利标题(中): 制动系统
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申请号: US14203597申请日: 2014-03-11
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公开(公告)号: US20150260247A1公开(公告)日: 2015-09-17
- 发明人: Brian D. Horton
- 申请人: Caterpillar Inc.
- 申请人地址: US IL Peoria
- 专利权人: Caterpillar Inc.
- 当前专利权人: Caterpillar Inc.
- 当前专利权人地址: US IL Peoria
- 主分类号: F16D65/72
- IPC分类号: F16D65/72 ; B60T13/14 ; B60T13/68 ; B60T13/66
摘要:
A braking system includes a brake charge module, an accumulator, and a pressure sensor coupled to the accumulator. The braking system further includes a brake actuator to selectively actuate a brake member based on a fluid pressure inside the brake actuator. The braking system further includes a brake valve disposed between the brake actuator and the accumulator. The brake valve is configured to regulate a flow of the pressurized fluid between the accumulator and the brake actuator. The braking system further includes a controller coupled to the pressure sensor and the brake valve. The controller is configured to determine a low-energy state of the accumulator based on the signal from the pressure sensor and maintain at least a pre-determined threshold value of fluid pressure within the brake actuator to retain the brake member at a touch up position with respect to a rotating member.
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