High pressure fluid pump transformer and method

Details High pressure fluid pump transformer and method High pressure fluid pump transformer and method

1993-11-05

1995-09-19

Bertisch, Richard A.

Pumps

Intensifier

417266, 417267, 417403, 417534, F04B 3502

Patent

active

054511453

ABSTRACT:
A high pressure fluid pumping transformer apparatus has a cylindrical transformer body surrounded by an outer pressure sleeve defining an annular working fluid chamber substantially surrounding the transformer body which receives fluid from an external source. The interior of the transformer body is divided into a central exhaust chamber and axially spaced working chambers at each end thereof. High pressure cylinders mounted in the transformer body at the end of each working chamber have a high pressure chamber spaced axially outward of the working chambers which contains a suction valve. Discharge valves mounted in the outer ends of the transformer body each contain a discharge valve and discharge port. An exhaust outlet extends from the exhaust chamber and is isolated from the working fluid chamber. A plunger reciprocally mounted in the transformer body has a portion which reciprocates in the working chambers and a reduced diameter at each end which reciprocates in the high pressure chambers. A shuttle valve slidably mounted on the transformer body moves in cooperation with the plunger to alternately open and close communication between the working fluid chambers. The working fluid pressure is used to compress all the internal components subject to internal fluid pressure fluctuations with a static pressure and at the same time supply the working fluid to the internal high pressure chambers to operate the plunger and also facilitates removal of heat from the seals and backup rings through which the plunger slides.

REFERENCES:
patent: 157617 (1874-12-01), Loretz
patent: 2296647 (1942-09-01), McCormick
patent: 2897762 (1959-08-01), Houvener
patent: 2970546 (1961-02-01), White
patent: 4212597 (1980-07-01), Mallofre
patent: 4523895 (1985-06-01), Silva
patent: 4627794 (1986-12-01), Silva

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