Pumping device

Details Pumping device Pumping device

1988-04-18

1989-06-13

Croyle, Carlton R.

Pumps

Motor driven

Relatively movable pumping members driven by relatively...

417551, F04B 3500

Patent

active

048387703

ABSTRACT:
A pumping mechanism comprising a flat base having a central vertical post and a pair of reciprocal pumping elements mounted on the flat base and situated on either side of the central post. Each of the pumping elements comprises an upper moveable assembly and a lower fixed assembly which slidably accepts the lower portion of the upper movable assembly. A driven member pivotally mounted at the midpoint of its length on the central vertical post has each end pivotably connected to each of the reciprocating pumping elements. The driven member serves to raise and lower the pumping elements in a smooth and steady fashion. A pair of collapsible piston assemblies are located within the upper movable assemblies of the reciprocal pumping elements and are collapsed and formed at the top and bottom of each stroke of the pumping elements.

REFERENCES:
patent: 172751 (1876-01-01), Laurence
patent: 234583 (1880-11-01), Kanavel
patent: 952304 (1910-03-01), Buck
patent: 2106264 (1936-07-01), Anastasakis

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