Pumps – Three or more cylinders arranged in parallel – radial – or... – Radial cylinders
Patent
1985-06-28
1986-12-16
Casaregola, Louis J.
Pumps
Three or more cylinders arranged in parallel, radial, or...
Radial cylinders
92 72, 92129, 92187, F04B 104, F16J 110
Patent
active
046294015
ABSTRACT:
Radial piston pump, particularly for liquids, comprising at least one rad cylinder, at least one radial piston with associated piston head, at least one piston guide shoe, at least one eccentric element, and a device for attachment of the radial piston with the piston guide shoe or shoes. The piston heads contact with their bearing surfaces the bearing surfaces of the associated piston guide shoe or shoes, but the piston heads are not attached with the piston guide shoes at their bearing surfaces. On the side not contacting the piston head the piston guide shoe contacts the eccentric element. The piston head has an outer shoulder, which is grasped by the device for attaching the radial piston with the piston guide shoe or shoes. This device comprises a connecting sleeve associated with each individual radial piston, which embraces with an inner flange the outer shoulder of the associated piston head. The connecting sleeve has an outer sealing shoulder adjacent the piston guide shoes, which grips the piston guide shoe or shoes. The connecting sleeve has on its end adjacent the radial piston a spring retaining ring, to which a spring holding ring on the associated radial cylinder is positioned opposite thereto and corresponds. Between the spring retaining ring and the spring holding ring a compressible spring is positioned, which surrounds the radial piston.
REFERENCES:
patent: 3527547 (1970-09-01), Dreter et al.
patent: 3670630 (1972-06-01), Tyson
patent: 3828653 (1974-08-01), Aldinger
patent: 4223595 (1980-09-01), Ortelli
patent: 4534711 (1985-08-01), Wakatsuki
Casaregola Louis J.
Dubno Herbert
Hauhinco Maschinenfabrik G. Hausherr, Jochums GmbH & Co. KG
Neils Paul F.
Ross Karl F.
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