FIELD: transport.
SUBSTANCE: invention relates to clutches with reduced temperature dependence. Clutch system operated by differences in rpm comprises input and output elements rotating relative to each other, friction coupling and pump. Friction coupling engages input element with output element depending upon hydraulic pressure created in pressure chamber of clutch system. Pump has first and second sections rigidly coupled with input element and output element, respectively, not to rotate. Pump is driven by input element and element rotation relative to each other. Note here that pump pressure side is communicated with pressure chamber. Diaphragm with temperature-independent leak characteristic is arranged in leak pipeline extending from pressure chamber to reduced pressure chamber and parallel with the pump.
EFFECT: higher reliability.
18 cl, 6 dwg
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