发明名称 |
PROPORTIONAL PARKING BRAKE CONTROL IN COOPERATION WITH OPERATION OF A CONTINUOUSLY VARIABLE TRANSMISSION |
摘要 |
A parking brake is controlled in concert with operation of a hydrostatic power unit of a continuously variable transmission, particularly when engaging, disengaging and shuttle shifting the transmission, to provide advantages, particularly when on hills. When particular commands are received, such as shifting to a non-moving position, the parking brake is automatically engaged to hold the vehicle position. A swash plate of the hydrostatic unit can be automatically positioned to anticipate the next command. If that command is received, the brake is automatically gradually or proportionally released and the transmission engaged to effect the commanded movement of the vehicle. If a different command is received, the brake remains engaged as the transmission is configured for the commanded movement, such that no machine movement results. Then the brake is automatically gradually or proportionally released and the transmission engaged to effect that commanded movement. |
申请公布号 |
EP2748491(A4) |
申请公布日期 |
2016.12.21 |
申请号 |
EP20120825720 |
申请日期 |
2012.08.27 |
申请人 |
CNH Industrial Italia S.p.A. |
发明人 |
DIX, Peter, J.;BULGRIEN, Garth, H.;PRASSE, Robert, C.;KUROS, Pawel |
分类号 |
F16H61/438;B60T1/00;B60T13/74;F16H61/4157 |
主分类号 |
F16H61/438 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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