F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
138/79.1
F15B 3/00 (2006.01) F04B 17/00 (2006.01)
Patent
CA 1108033
ABSTRACT OF THE DISCLOSURE A hydraulic pump assembly having a motor actuated by a source of fluid under pressure and in turn actuating a fluid pump under the control of a valve responsive to operation of the motor. The diameter of a piston of the pump is smaller than the corres- ponding diameter of a piston of the motor in order to permit the pump to obtain higher output pressures than are required to acru- ate the motor. The valve includes a valve element connected directly to the piston of the motor and slidably disosed in a pair of axially spaced, cylindrical housing parts so as to sequentially place ports provided in spaced ends of the valved element in communication with passages provided in the cylindri- cal housing parts.
330948
Hinchman Leslie R.
Hinchman Robert B.
Caldwell Bessie L.
Hinchman Leslie R.
Hinchman Robert B.
Macrae & Co.
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