High pressure fluid pump

Details High pressure fluid pump High pressure fluid pump

1990-06-04

1991-11-12

Bertsch, Richard A.

Pumps

Motor driven

Fluid motor

417454, 417567, 417569, 417571, 92128, F04B 2108, F04B 3914

Patent

active

050643541

ABSTRACT:
An improved high pressure, piston pump has at least one two-piece telescoping cylinder having an end flange at one end and a housing containing piston drive means at the other end which are held together by tie rods passing through spacer tubes. The cylinder can be opened without loosening the tie rods to expose the piston and replace the piston seal.

REFERENCES:
patent: 1729430 (1929-09-01), Machtolf
patent: 2991003 (1961-07-01), Petersen
patent: 3309014 (1967-03-01), Bauer et al.
patent: 3508849 (1970-04-01), Weber
patent: 3771912 (1973-11-01), Conlee
patent: 4371001 (1983-02-01), Olson
patent: 4382750 (1983-05-01), Robertson
patent: 4412792 (1983-11-01), LaBorde et al.
patent: 4756512 (1988-07-01), Toms, Jr.
patent: 4780064 (1988-10-01), Olsen
patent: 4878815 (1989-11-01), Stachowiak

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