| 摘要 |
PCT No. PCT/US84/00448 Sec. 371 Date Nov. 16, 1984 Sec. 102(e) Date Nov. 28, 1984 PCT Filed Mar. 22, 1984 PCT Pub. No. WO84/03916 PCT Pub. Date Oct. 11, 1984.The valve disclosed herein functions as a flow matching device. By employing such a valve, hydraulic systems may be implemented in which filling and emptying of a variable volume load, such as a hydraulic piston, may be accomplished through simple check valve structures at controlled flow rates.
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