Hose pump

Details Hose pump Hose pump

1986-05-02

1988-05-24

Freeh, William L.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

2482313, 2483162, 403 4, F04B 4312, F04B 4508

Patent

active

047462795

ABSTRACT:
The hose pump has plates forming the first pressure members and limbs which form second pressure members and which are actuated by the plates. The limbs are fastened at one end to a base plate, in such a way that second portions formed at the other ends are parallel to and near one another and the surfaces, facing one another, of the middle portions are inclined towards one another, in order to move the limbs to-and-fro by means of the projections of the plate. By means of resilient elements which on the one hand rest against webs in the frame and on the other hand against the plate, the plate is held in contact with the drive. As a result of these measures, the efficiency and the effect of the hose pump can be improved.

REFERENCES:
patent: Re22924 (1947-10-01), Mades
patent: 1145587 (1915-07-01), Hitchcock
patent: 2058102 (1936-10-01), Philipp
patent: 2363638 (1941-11-01), Brelsford
patent: 2689530 (1954-09-01), Harvey
patent: 2958559 (1960-11-01), Jensen
patent: 3951371 (1976-04-01), Hoes
patent: 4118000 (1978-10-01), Campbell
patent: 4302164 (1981-11-01), Manella
patent: 4380236 (1983-04-01), Norton
patent: 4479797 (1984-10-01), Kobayshi et al.

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