Pumps – Motor driven – Fluid motor
Patent
1985-12-20
1987-07-21
Smith, Leonard E.
Pumps
Motor driven
Fluid motor
91347, F04B 4306
Patent
active
046815180
ABSTRACT:
A single-acting, gas operated, pump method and apparatus including a pump body having a main chamber divided by a reciprocating piston assembly into a gas driving chamber and a liquid pumping chamber, a spring for biasing the piston assembly into one of its two end positions, a reciprocating control valve controlling the flow of driving gas to and from the gas driving chamber, a snap-acting spring mechanically coupling the control valve to the reciprocating movement of the piston assembly, and a counteracting spring for biasing the control valve toward one of its two positions.
REFERENCES:
patent: 603242 (1898-04-01), Weatherhead
patent: 1067613 (1913-07-01), Lane
patent: 2028371 (1936-01-01), Wiltse
patent: 2090575 (1937-08-01), De Motte
patent: 2214922 (1940-09-01), Ericson
patent: 2506434 (1950-05-01), Quimper
patent: 2658485 (1953-11-01), Dreyer
patent: 2711134 (1955-06-01), Hughes
patent: 2780177 (1957-02-01), Hoencke
patent: 3000320 (1961-09-01), Ring
patent: 3294030 (1966-12-01), Fox
patent: 3299826 (1967-01-01), Williams
patent: 3387566 (1968-06-01), Temple
patent: 3771907 (1973-11-01), Neuman et al.
patent: 3816034 (1974-06-01), Rosenquest, Jr.
patent: 4334838 (1982-06-01), Fessler et al.
patent: 4436493 (1984-03-01), Credle, Jr.
Smith Leonard E.
The Coca-Cola Company
LandOfFree
Single-acting, gas operated pump does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Single-acting, gas operated pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Single-acting, gas operated pump will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-204589