Radial piston pump

Details Radial piston pump Radial piston pump

1989-04-26

1990-12-11

Koczo, Michael

Pumps

Expansible chamber type

Plural pumping chambers

417273, 92148, 303 87, F04B 2102

Patent

active

049776061

ABSTRACT:
A radial piston pump has diametrically opposed pistons coupled to each other by a coupling ring mounted in circumferential grooves located adjacent the facing ends of the piston. The coupling ring is formed with axially projecting bifurcated arms received in the piston grooves. The arms are of a reversely bent undulating shape which is compressed between opposed walls of the groove to firmly couple the ring to each piston. The ring is thus supported entirely by the pistons. A central opening through the ring is expanded in the direction normal to the piston axis to provide clearance for side to side motion of an eccentric which drives the pistons in reciprocation.

REFERENCES:
patent: 2621607 (1952-12-01), Trapp
patent: 3431865 (1969-03-01), Cook et al.
patent: 4223595 (1980-09-01), Ortelli

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