Pumps for transferring small quantities of dosed liquids

Details Pumps for transferring small quantities of dosed liquids Pumps for transferring small quantities of dosed liquids

1974-05-22

1976-03-23

Freeh, William L.

Pumps

Expansible chamber type

Control by withdrawal or tilting of pump piston relative to...

92 605, 222145, 222385, 417495, 417503, F04B 2300, F01B 3114, B67D 556

Patent

active

039457729

ABSTRACT:
The invention relates to a cylinder and plunger pump for transferring very small quantities of dosed liquids.
The purpose of the invention consists in the realization of relatively small pumps of which the piston need only perform a very small reciprocating movement in order to pump up the liquid, whereby no disturbances may occur.

REFERENCES:
patent: 1896098 (1933-02-01), Poyer
patent: 2901980 (1959-09-01), Jordan
patent: 2981198 (1961-04-01), Nettel
patent: 3217936 (1965-11-01), Abplanalp
patent: 3338479 (1967-08-01), Marraffino
patent: 3643688 (1972-02-01), Meinert

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