Pumps – Expansible chamber type – Mechanically actuated distributor
Patent
1984-05-15
1986-04-08
Husar, Cornelius J.
Pumps
Expansible chamber type
Mechanically actuated distributor
417519, 417532, 417900, F04B 700, F04B 3910
Patent
active
045809542
ABSTRACT:
A slurry pump having a pair of cylinders aligned one on either side of a centrally-disposed oscillating-deflector element; each cylinder has a housing in which are defined co-axial, registering hydraulic and slurry cylinder bores, and a piston rod having, at one end thereof a hydraulic piston head slidably movable within the hydraulic cylinder bore and having, at its other end a slurry piston head slidably movable within the slurry cylinder bore. The oscillating-deflector element has passageways enabling communication, alternately, between a slurry inlet conduit and a first one of the said two slurry cylinders, and between said slurry inlet conduit and a second one of the two slurry cylinders, the second slurry cylinder is in communication with a slurry discharge conduit when said slurry inlet conduit is in communication with said first slurry cylinder, and the first slurry cylinder is in communication with the slurry discharge conduit when the slurry inlet conduit is in communication with said second slurry cylinder. The oscillating-deflector element has an axis of rotation normal to the longitudinal, reciprocal axes of the hydraulic and slurry cylinder bores, and oscillates with an axial shaft, one end of which operates so as to oscillate the element and the other end of which carries a valve which controls selection of the direction of oscillation of the element.
REFERENCES:
patent: 1531698 (1925-03-01), Janes
patent: 2384783 (1945-09-01), Longenecker
patent: 3146721 (1964-09-01), Schwing
patent: 3601511 (1971-08-01), von Massenbach
patent: 3667869 (1972-06-01), Schlecht
patent: 3749525 (1973-07-01), Hooper et al.
patent: 3999895 (1976-12-01), Boyle
Cuomo Peter M.
Husar Cornelius J.
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