Continuously operating piston pump

Details Continuously operating piston pump Continuously operating piston pump

1975-09-29

1976-12-28

Croyle, Carlton R.

Pumps

Motor driven

Fluid motor

417404, F04B 908, F04B 3502

Patent

active

039998967

ABSTRACT:
A continuously operable piston pump for conveying of viscous materials, such as mortar mixes or the like comprises first and second chambers separated from a pressure source, such as a piston cylinder arrangement, by respective flexible wall means. The chambers are connected in series with each other. The pressure source is controlled by a further piston cylinder arrangement including a control valve at each end of the control cylinder. The control valves are operated by a flip-flop means which in turn is actuated by means directly coupling the flip-flop means to the piston rod of the control piston cylinder arrangement. The pressure piston cylinder arrangement and the control piston cylinder arrangement are constructed to have a common axis, and thus also a common piston rod located in said axis. The control valves are connected to said common piston rod.

REFERENCES:
patent: 592633 (1897-10-01), Keith
patent: 884131 (1908-04-01), Compton
patent: 2593316 (1952-04-01), Kraft
patent: 3362346 (1968-01-01), Bottoms et al.

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