| 摘要 |
Hydraulic control valve arrangement for controlling the amount of pressure fluid flowing to a consumer, in which the valve member of a first valve, which selectively controls flow of pressure fluid to at least one consumer or from the latter to a return passage, forms a variable throttle between the pressure fluid inlet passage and a consumer passage connected to the consumer, in which the throttle causes a pressure difference, and in which the pressure difference may be maintained substantially constant by a bypass passage between the inlet passage and the return passage in which a second valve member is arranged which is biased by a spring to a closed position and by the pressure difference produced by the variable throttle to an open position.
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