Motors: expansible chamber type – Fluid supply through diverse paths to single expansible chamber – Three or more cylinders arranged in parallel – radial or...
Patent
1975-01-27
1977-02-15
Croyle, Carlton R.
Motors: expansible chamber type
Fluid supply through diverse paths to single expansible chamber
Three or more cylinders arranged in parallel, radial or...
91487, 91488, 91499, 91503, 417269, F01B 300, F04B 112
Patent
active
040076636
ABSTRACT:
A hydraulic pump of the axial piston type comprising check valves each of which is adapted to open and allow the associated cylinder to discharge fluid when the pressure inside the cylinder has been raised above the discharge pressure of the pump by the piston on its compression stroke, passage means for communicating each of the cylinders with the low-pressure system including a pump suction pipe or drain tank during the period in which the piston on the compression stroke moves from a point at least short of the top dead center to a point past the center and where the cylinder communicates with the suction port, and pressure-reducing means disposed in the passage means.
REFERENCES:
patent: 3303749 (1967-02-01), Ocule
patent: 3411453 (1969-11-01), Chanal
patent: 3457873 (1969-07-01), Fischer
patent: 3498227 (1970-03-01), Kita
patent: 3556683 (1971-01-01), Schott
patent: 3616726 (1971-11-01), Ruger
patent: 3858483 (1975-01-01), Hein
Hiromatsu Masato
Nagatomo Kuniyasu
Croyle Carlton R.
La Pointe G. P.
Mitsubishi Kogyo Kabushiki Kaisha
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