武汉恒斯源液压机电设备有限公司
 
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具有功率综合的压力传感卸载回路，它由两组略加变化的压力传感卸载泵组成，两组泵由同原动机驱动，每台泵接受另卸载泵的导控卸载信号。此种传感方式称之为交互传感，它可使组泵在高压下工作而另组泵在大流量下工作。两只溢流阀可按每个回路特殊的压力调整，以使台或两台泵卸载。此方案减少了功率需求，故可采用小容量价廉原动机。。