| 摘要 |
For a hydraulic system having a variable displacement pump and consumer, a simple construction is proposed which, in addition to rapidly running up the variable displacement pump, also makes it possible to utilize the pump energy for heating purposes as a result of the arrangement, provided in the return line from the consumer, of a controlled pressure-regulating valve in combination with a throttling valve situated in the delivery-side feed line to the consumer and a pressure-relief valve situated in a manner short-circuiting the variable displacement pump.
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