Vane pumps

Details Vane pumps Vane pumps

1982-09-15

1985-03-19

Vrablik, John J.

Pumps

With condition responsive pumped fluid control

Fluid flow rate responsive

418149, 418259, F04C 200, F04C 1500

Patent

active

045056498

ABSTRACT:
In a vane pump of the type comprising a rotor including radially slidable vanes, a cam ring accommodating the rotor, a front body and a rear body secured to both sides of the cam ring for defining pump chambers together with the cam ring, there is provided an intermediate body having an inner opening for accommodating the cam ring. The intermediate body is disposed between the front and rear bodies, and a portion of the inner opening is bulged outwardly to form a fluid passage for conveying operating fluid from the body to the rear.

REFERENCES:
patent: 2816702 (1957-12-01), Woodcock
patent: 3190183 (1965-06-01), Walker et al.
patent: 3202103 (1965-08-01), Sully
patent: 3552895 (1971-01-01), Bayley
patent: 3622254 (1971-11-01), LeBlanc, Jr.
patent: 4080122 (1978-03-01), Skrivanek et al.
patent: 4253809 (1981-03-01), Ishizuka et al.
patent: 4362480 (1982-12-01), Suzuki et al.

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