Positive double-piston displacement pump conveying pasteous mate

Details Positive double-piston displacement pump conveying pasteous mate Positive double-piston displacement pump conveying pasteous mate

1985-05-20

1987-03-31

Croyle, Carlton R.

Pumps

Expansible chamber type

Mechanically actuated distributor

417519, 417532, 417900, 13762545, F04B 1502, F04B 2106

Patent

active

046539905

ABSTRACT:
In positive displacement pumps using double pistons for the alternating supply of pasteous material from two supply cylinders through a pivotable feed tube arranged in a feed chamber spaced at a radial distance from a controllably positionable shaft, the supply end of the feed tube is subjected to wear, which can impair the seal of the pump, and result in bleeding off of the pasteous material. In the inventive pump the supply conduit is connected to the pivotable feed tube through a pivotably arranged connecting member, through which adjustment of a sealing ring disposed in a rear wall of the feed chamber, and abutting a ring-shaped and also easily replaceable wear-resistant ring-shaped member is facilitated, while also permitting easy replacement of the sealing ring.

REFERENCES:
patent: B351055 (1975-01-01), Bille
patent: 3663129 (1972-05-01), Antosh
patent: 3832097 (1974-08-01), Schlecht
patent: 4142846 (1979-03-01), Yoshikawa
patent: 4373875 (1983-02-01), Schwing
patent: 4382752 (1983-05-01), Schlecht

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