发明名称 |
Positive displacement shuttle pump |
摘要 |
A positive displacement shuttle pump having a cylinder with axially displaced and mutually isolated inlet and outlet portions; a shuttle piston having a reservoir for accepting pressurized feed from the inlet port in the feed cycle and for dispensing feed to the outlet port in the dispensing cycle; a displacement piston extending longitudinally in the shuttle piston and communicating with the reservoir; an actuator for extending the displacement piston into the reservoir to pressurize the feed and urge the feed through the outlet port during the dispensing cycle; the displacement piston is responsive to the pressurized feed in the reservoir for retracting during the feed cycle; the displacement piston driving the shuttle piston through the feed and dispensing cycles.
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申请公布号 |
US5044900(A) |
申请公布日期 |
1991.09.03 |
申请号 |
US19900486901 |
申请日期 |
1990.03.01 |
申请人 |
KNIGHT TOOL COMPANY, INC. |
发明人 |
CAVALLARO, WILLIAM A. |
分类号 |
F04B7/00;F04B19/02 |
主分类号 |
F04B7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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