Hydraulic swing motor

Details Hydraulic swing motor Hydraulic swing motor

1975-11-28

1977-03-01

Maslousky, Paul E.

Motors: expansible chamber type

Fluid supply through diverse paths to single expansible chamber

Position responsive

91408, 91443, 91468, F15B 1522, F15B 13042

Patent

active

040096394

ABSTRACT:
A hydraulic swing motor which is provided so as to assure an improved cushioning effect near the end of its stroke and ultimately to make possible a reduction in the cushion stroke sector or an increase in the effective stroke, with fluid inlet and outlet passages at the casing being connected to chambers partitioned with a first vane fixed to the shaft side and a second vane fixed to the casing side and which are closed by means of the said first vane when the relative motion of the first and the second vanes nears its end, and with throttle valves to control the fluid discharge rate and relief valves to release the discharge fluid when its pressure rises beyond a certain limit in a section which remains open throughout the whole stroke.

REFERENCES:
patent: 2902009 (1959-09-01), Ludwig et al.
patent: 3070959 (1963-01-01), Giampapa et al.
patent: 3207048 (1965-09-01), Rumsey
patent: 3225664 (1965-12-01), Rumsey
patent: 3303746 (1967-02-01), Schmoeger
patent: 3470792 (1969-10-01), Darling
patent: 3631761 (1972-01-01), Rumsey

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