Pump having a rotary distributor

Details Pump having a rotary distributor Pump having a rotary distributor

1993-12-28

1995-11-14

Bertsch, Richard A.

Pumps

Expansible chamber type

Mechanically actuated distributor

137876, 425208, F04B 700

Patent

active

054661323

ABSTRACT:
A rotary plug 1 has recesses 5 debouching on its side face 12 which are in communication with the inlet 6 and recesses 5 debouching on its side face 13 which are in communication with the outlet 7. These recesses 5 pass across a port 4 which permits passage to and from a unit consisting of cylinder 2 and piston 3.

REFERENCES:
patent: 952440 (1910-03-01), Dalzell
patent: 1932636 (1933-10-01), Gemtman et al.
patent: 2516388 (1950-07-01), Humphreys
patent: 2696343 (1954-12-01), Mallory
patent: 2944288 (1960-07-01), Sherman
patent: 3012286 (1961-12-01), Gasmire
patent: 3090994 (1963-05-01), Stenger
patent: 3192914 (1965-07-01), Kopczyk
patent: 3552440 (1971-01-01), Smith
patent: 4167374 (1979-09-01), Smith
patent: 5061158 (1991-10-01), Egli
patent: 5261795 (1993-11-01), Laurent et al.

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