Diaphragm pump with an elastic filter disk

Details Diaphragm pump with an elastic filter disk Diaphragm pump with an elastic filter disk

1986-12-04

1988-04-12

Smith, Leonard E.

Pumps

Motor driven

Electric or magnetic motor

417480, 417566, 55385R, 55438, F04B 4300

Patent

active

047370831

ABSTRACT:
A pump having a pump body (1), a push-rod (7), a diaphragm (8) with an aperture (17) and a plate valve (9). The push-rod (7) is driven by a motor (10) and is guided centrally in an elastic filter disk (13) mounted in a pump casing (3). A lower end of the push-rod (7) is provided with a dome (12) member by which the diaphragm (8) is pressed into a correspondingly shaped recess (15).

REFERENCES:
patent: 2144662 (1939-01-01), Paasche
patent: 2529204 (1950-11-01), Van Ranst et al.
patent: 2961149 (1960-11-01), Hull
patent: 3198421 (1965-08-01), Alyea et al.
patent: 4103590 (1978-08-01), Putt
patent: 4181477 (1980-01-01), Litt
patent: 4482301 (1984-11-01), Schlick
patent: 4545735 (1985-10-01), Ims
patent: 4594058 (1986-01-01), Fischell

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