Pumps – Motor driven – Fluid motor
Patent
1975-12-04
1980-02-19
Croyle, Carlton R.
Pumps
Motor driven
Fluid motor
417417, 91235, 91275, 91321, 92253, F04B 1700, F04B 1704, F01B 718, F01L 2508
Patent
active
041892852
ABSTRACT:
A solenoid operated metering pump for displacement of exact amounts of fluid pumped by reciprocation of pumping piston incorporating integral check valve has an elongated valve housing with solenoid operator serving as pump actuating means attached to one housing end while the other housing end is adaptable to serve as the fluid pumping means including an appropriate housing bore passing therethrough and adaptable to receive a differential diameter piston assembly slidably movable therein to reciprocate when solenoid operator becomes electrically cycled inducing fluid flow through appropriate pump chamber created therein between piston and housing bore portion provided with fluid supply port having a detachable check valve with a simple floater for a directional flow control therethrough, means of piston actuation from a first position checking flow and discharge of the fluid delivered to the pump chamber to a second position discharging exact fluid quantity per each stroke of pump reciprocation, and means of metering such fluid flow, including appropriate piston and housing bore seals separating pumping chamber from actuating chamber, as well as provisions for manual override.
REFERENCES:
patent: 2829631 (1958-04-01), Wilt
patent: 3013531 (1961-12-01), Mueller et al.
patent: 3294030 (1966-12-01), Fox
patent: 3492946 (1970-02-01), Martin
patent: 3676022 (1972-07-01), Pauliukonis
patent: 3939755 (1976-02-01), Tabor
Croyle Carlton R.
Pauliukonis R. S.
Ross Thomas I.
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