Miniature volumetric pump

Details Miniature volumetric pump Miniature volumetric pump

1978-07-26

1980-06-17

Freeh, William L.

Expansible chamber devices

Rectilinearly moving working member and coaxial or parallel...

417 63, 417460, F04B 3900, F01B 1302

Patent

active

042078067

ABSTRACT:
A miniature volumetric pump for determining the thermodynamic characteristics of oil effluents comprising a hollow cylinder and a piston moving in a straight line relative to the cylinder. The pump is characterized in that the piston is stationary and secured to the pump frame and in that the cylinder can move in a straight line with respect to the frame and is adapted to receive the piston in sealing-tight manner in its bore, the pump comprising a screen device for moving the cylinder.

REFERENCES:
patent: 829096 (1906-08-01), Carver
patent: 905640 (1908-12-01), Borchers
patent: 1338321 (1920-04-01), Moard
patent: 1857026 (1932-05-01), Ligon
patent: 2513441 (1950-07-01), Allen
patent: 2828722 (1958-04-01), Bohnhoff
patent: 3133476 (1964-05-01), Goyer
patent: 3200664 (1965-08-01), Mauric
patent: 3254607 (1966-06-01), Norton
patent: 3857547 (1974-12-01), Profet
patent: 4008981 (1977-02-01), Bouquet

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