Radial piston pump having sealing disc

Details Radial piston pump having sealing disc Radial piston pump having sealing disc

1986-02-18

1987-07-21

Croyle, Carlton R.

Pumps

Condition responsive control of drive transmission or pump...

Having condition responsive pumped fluid control

417214, 417270, 417273, F04B 4900, F04B 104

Patent

active

046815147

ABSTRACT:
A pump comprising a housing and two end covers receiving a drive shaft with an eccentric thereon and with a plurality of radial pistons displaceable in radial bores provided in the housing and biased by springs. An inlet passage and an outlet passage are provided in each bore receiving the radial piston. A sealing disc is inserted between the housing and one of the end covers. Sealed through openings for high pressure medium are provided in the sealing disc. The maximal feeding flow of the pressure medium is limited by throttled passages provided in the sealing disc. A pressure control valve is provided, which is connected to an inner chamber of the housing, accommodating the eccentric.

REFERENCES:
patent: 3002462 (1961-10-01), Raymond
patent: 3418937 (1968-12-01), Cardillo et al.
patent: 3434428 (1969-03-01), Liles
patent: 3982855 (1976-09-01), Aldinger et al.
patent: 4610606 (1986-09-01), Hazzard et al.

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