Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Patent
1984-12-14
1985-10-08
Gluck, Richard E.
Pumps
Expansible chamber type
Elongated flexible chamber wall progressively deformed
F04B 4312, F04B 4508
Patent
active
045457450
ABSTRACT:
The pump has a diaphragm and backing member which extend opposite one another and have strips of resiliently yieldable pairs of fingers operatively co-extensively disposed thereopposite to cause the diaphragm and backing member to define an elongated fluid flow path having an inlet and an outlet spaced apart from one another lengthwise the line of flow. The pump has rollers which are movable lengthwise along the line of flow in engagement with the diaphragm. The diaphragm and backing member are operatively interconnected with one another so that when a roller undergoes movement toward the outlet from the inlet, it displaces each longitudinally successive portion of the diaphragm in the direction opposed to the bias of a pair of fingers operatively disposed thereopposite, independently of the remaining pairs of fingers in the space between the inlet and the outlet, to progressively constrict the cross-section of the path and drive the fluid along the path. Each of the respective pairs of fingers is operable independently of the remaining pairs of fingers to restore the corresponding portion of the diaphragm disposed thereopposite to the relatively undisplaced condition thereof when a roller has displaced the respective portion and moved onto the next successive portion in the direction of flow.
REFERENCES:
patent: 315667 (1885-04-01), Serdinko
patent: 328472 (1885-10-01), Faller
patent: 910125 (1909-01-01), Graser
patent: 3039442 (1962-06-01), Hornschuch et al.
patent: 3175507 (1965-03-01), Rydberg
patent: 3216362 (1965-11-01), Hewko
patent: 3397739 (1968-08-01), Miller
patent: 3829251 (1974-08-01), Schwing
patent: 3875970 (1975-04-01), Fitter
patent: 4347778 (1982-09-01), Murray
Vanton Flex-i-Liner Sealless Plastic Pumps brochure, 1977, Vanton Pump & Equipment Corp.
Duffy Christopher
Gluck Richard E.
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