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1. 发明申请

WO1989010494A1 ARRANGEMENT FOR CONTROLLING A HYDRAULICALLY OPERATED FRICTION DISC CLUTCH WITH DIAPHRAGM SPRING 审中-公开
标题翻译：用于控制液压弹簧的液压滑动盘离合器的安装
公开(公告)号：WO1989010494A1
公开(公告)日：1989-11-02
申请号：PCT/SE1989000221
申请日：1989-04-20
申请人： SAAB-SCANIA AKTIEBOLAG , KONGSBERG AUTOMOTIVE A/S , SKOG, Lars , NORDLING, Tommy , SVENKE, Per, Ola
发明人： SAAB-SCANIA AKTIEBOLAG , KONGSBERG AUTOMOTIVE A/S
IPC分类号： F16D25/12
CPC分类号： F16D48/04 , F16D25/087 , F16D25/14 , F16D48/02 , F16D2048/0209 , F16D2048/0212
摘要： The invention relates to an arrangement for automatic control of a hydraulically operated friction disc clutch (60) with diaphragm spring (64). The hydraulic operating unit comprises a hydraulic cylinder which, by acting on the diaphragm spring (64), disengages the friction disc clutch. In order to obtain a hydraulic operating unit in which the regulating pressure is proportional to the disengagement degree of the clutch, the hydraulic cylinder comprises a proportionality-forming spring (13) which acts against the hydraulic cylinder piston (4) during the final part of the disengagement stroke of the piston. In a system with master cylinder (1) and slave cylinder (61), where the slave cylinder acts on the diaphragm spring for disengagement of the friction disc clutch, the master cylinder is also provided with a pressure supply, compensating for wear of the discs, via a hydraulic channel (7) which is closed off at a predetermined regulating pressure level. The invention permits a simplified system solution for an automated diaphragm spring clutch in a vehicle, where the clutch does not require any positional sensors, but the disengagement degree is given by the hydraulic regulating pressure.
摘要翻译：本发明涉及一种用于利用膜片弹簧（64）自动控制液压操作的摩擦盘式离合器（60）的装置。液压操作单元包括通过作用在隔膜弹簧（64）上的液压缸，使摩擦盘式离合器脱离。为了获得其中调节压力与离合器的分离度成比例的液压操作单元，液压缸包括在最后部分中作用于液压缸活塞（4）的比例成形弹簧（13）活塞的脱离行程。在具有主缸（1）和从动缸（61）的系统中，从动缸作用在膜片弹簧上用于分离摩擦盘式离合器，主缸还设有压力源，补偿盘的磨损经由在预定调节压力水平下封闭的液压通道（7）。本发明允许用于车辆中的自动膜片弹簧离合器的简化系统解决方案，其中离合器不需要任何位置传感器，但是脱离度由液压调节压力给出。

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