Hydraulic power slide valve, especially designed for public work

Details Hydraulic power slide valve, especially designed for public work Hydraulic power slide valve, especially designed for public work

1980-07-28

1984-05-29

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762516, 13762563, 251 38, F15B 13042

Patent

active

044508654

ABSTRACT:
A hydraulic valve includes a valve body and slide, along with control pieces consisting of two thrust bearings rigidly mounted with a link which is mounted through an axial hole of the slide valve and through the axial holes of the two respective secondary pistons. The slide valve and the secondary pistons are mounted so as to provide an ample gap between the thrust bearings. The secondary pistons, located on either side of the slide valve, delineate two rear chambers which are fed with low pressure fluid. Thus, a gradual displacement of the slide valve is permitted.

REFERENCES:
patent: 2526709 (1950-10-01), Tait
patent: 2600348 (1952-06-01), Walthers
patent: 2771907 (1956-11-01), Joy
patent: 2981288 (1961-04-01), Strader
patent: 3089517 (1963-05-01), Ludwig
patent: 3114394 (1963-12-01), Panissidi
patent: 3455334 (1969-07-01), Martinson
patent: 3583443 (1971-06-01), Beckett et al.
patent: 3756278 (1973-09-01), Melf
patent: 3980001 (1976-09-01), Cyphelly
patent: 4044795 (1977-08-01), Tardy

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