High pressure multi-cylinder pump

Details High pressure multi-cylinder pump High pressure multi-cylinder pump

1977-12-01

1980-01-22

Freeh, William L.

Pumps

Expansible chamber type

Plural pumping chambers

74 50, 74 55, F16H 2508, F04B 2104

Patent

active

041848179

ABSTRACT:
A multi-cylinder pump for delivering fluids under high pressure which includes a multi-lobed camshaft having bearing supported yoke elements disposed in an oil-filled crankcase for coupling the camshaft to plural piston elements such that displacement of the plural piston elements occur in a desired phase relationship and improved sealing arrangements disposed between the piston and the cylinders, between the suction inlet port and the high pressure outlet port and between the cylinders and the oil-filled crankcase to prevent cross-contamination of the oil lubricant and the fluid being pumped and to prevent any substantial leakage between the high pressure outlet port and low pressure inlet port during the suction and pressure strokes of the pistons.

REFERENCES:
patent: 2345125 (1944-03-01), Huber
patent: 2359960 (1944-10-01), Anderson
patent: 2962904 (1960-12-01), Soccart
patent: 3067624 (1962-12-01), Norton et al.
patent: 3666382 (1972-05-01), Rasmusson
patent: 3744936 (1973-07-01), Sadler

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