发明名称 |
Hydraulic control with line pressure modulation |
摘要 |
A hydraulic control for a transmission has a main line regulator, a torque converter clutch relay valve and a torque converter clutch solenoid valve. During torque converter operation, the pressure regulator is subjected to a line pressure bias signal and supplies pressurized hydraulic fluid to a control system at a substantially constant pressure level. During torque converter clutch operation, the pressure regulator is subjected to an additional line pressure bias signal and a variable pressure bias signal from the torque converter clutch solenoid valve to provide a modulated pressure control whereby main pressure is varied proportionally with torque converter clutch apply pressure.
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申请公布号 |
US5669473(A) |
申请公布日期 |
1997.09.23 |
申请号 |
US19960642982 |
申请日期 |
1996.05.06 |
申请人 |
GENERAL MOTORS CORPORATION |
发明人 |
LONG, CHARLES FRANCIS;DADEL, MARTIN ROBERT |
分类号 |
F16H61/14;(IPC1-7):F16H45/02 |
主分类号 |
F16H61/14 |
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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