Fluid pressure drive device

Details Fluid pressure drive device Fluid pressure drive device

1977-05-26

1979-11-27

Schwadron, Martin P.

Fluid handling

Systems

Multi-way valve unit

1376256, 91459, F15B 13043

Patent

active

041755898

ABSTRACT:
A fluid pressure drive device including a primary drive portion operated by receiving an operational command, and a secondary drive portion operated due to the operation of the primary drive portion. In this fluid pressure drive device, at least parts of movable members in the above both drive portions are overlapped so as to shorten the lengths of fluid passages. As a result, a time interval from the receiving of an operational command until the generation of a drive force in the final drive portion, i.e., a response time of the drive device may be shortened.

REFERENCES:
patent: 2775982 (1957-01-01), Canfield
patent: 3257810 (1966-06-01), Hanni
patent: 3433266 (1969-03-01), Bidlack
patent: 3498329 (1970-03-01), McCormick
patent: 3999464 (1976-12-01), Grieger et al.
patent: 4041840 (1977-08-01), Zirps

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