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    • 74. 发明授权
    • Clutch actuating system
    • 离合器致动系统
    • US4533030A
    • 1985-08-06
    • US341801
    • 1982-01-22
    • Albert L. Gabriel
    • Albert L. Gabriel
    • B60W10/10B60W30/18F16D48/06B60K41/28
    • F16H59/0217B60W10/02B60W10/10B60W30/1819F16D48/066F16D48/068F16D2048/0284F16D2048/045F16D2500/1028F16D2500/10412F16D2500/1082F16D2500/31453F16D2500/31466Y10T477/6432
    • A system for actuating a normally engaged clutch of a manual transmission type vehicle in which clutch re-engagement is sequenced in a plurality of steps or stages. A source of a first pressure level is employed to operate a clutch servo, and a clutch re-engagement control chamber having a second pressure level therein is employed in the stepped clutch re-engagement cycle. A solenoid valve, when energized, connects the source of the first pressure level to the servo to operate the servo and disengage the clutch, and at this time isolates the re-engagement control chamber from the servo. Then upon de-energization of the solenoid valve the source of first pressure level is isolated from the servo and the control chamber is substantially simultaneously connected to the servo so as to allow partial release of the first pressure level from the servo and thereby effect a first stage of clutch re-engagement. The servo is vented to atmosphere by a throttle-controlled valve and preferably also by a bleed orifice to allow complete release of the first pressure level from the servo and thereby allow the clutch to become fully re-engaged, and preferably the added volume of the control chamber is also simultaneously bled to atmospheric pressure to make the final clutch re-engagement stage more controllable and less critical. Preferably, the solenoid valve is energized and de-energized by a throttle-controlled switch to make clutch actuation fully automatic. Alternatively the solenoid may be energized by a novel gearshift knob tilt switch forming a part of the present invention.
    • 一种用于致动手动变速器型车辆的正常啮合的离合器的系统,其中离合器重新接合以多个步骤或阶段排序。 使用第一压力水平的源操作离合器伺服器,并且在阶梯式离合器重新接合循环中采用其中具有第二压力水平的离合器再接合控制室。 电磁阀通电时,将第一压力水平源与伺服机构连接起来以操作伺服机构,并离合离合器,此时将再接合控制室与伺服机构隔离。 然后在电磁阀断电时,第一压力级的源与伺服器隔离,并且控制室基本上同时连接到伺服器,以便允许从伺服器部分释放第一压力水平,从而实现第一 离合器重新接合阶段。 伺服通过节流阀控制的阀排放到大气中,并且优选地还通过泄放孔排出,以允许从伺服器完全释放第一压力水平,从而允许离合器完全重新接合,并且优选地,附加的体积 控制室也同时排放到大气压力,使最终的离合器再接合阶段更可控且不太关键。 优选地,电磁阀通过节气门控制的开关被通电和断电,以使离合器致动全自动。 或者,螺线管可以由构成本发明的一部分的新型换档旋钮倾斜开关激励。