Pumps – With condition responsive pumped fluid control – Having timer or delay means for fluid controller
Patent
1987-10-14
1989-05-23
Smith, Leonard E.
Pumps
With condition responsive pumped fluid control
Having timer or delay means for fluid controller
417317, 417412, 417473, 417505, F04B 2306, F04B 3908, F04B 4502
Patent
active
048325805
ABSTRACT:
Provided are a pair of pumps, each of which comprises a bellows having an intake inlet and a discharge outlet, a reciprocating drive means for contraction and expansion movements of the bellows, and a couple of electro-magnetic on-off valves disposed respectively in the intake inlet side and discharge outlet side of the bellows, so that, during the contracting motion of the bellows, the electro-magnetic on-off valve in the intake inlet side becomes closed while the electro-magnetic on-off valve in the discharge outlet side becomes open, and during the expanding motion of the bellows, the electro-magnetic on-off valve in the intake inlet side becomes open while the electro-magnetic on-off valve in the discharge outlet side becomes closed. The paired pumps perform the discharge motions alternately. The discharge outlets of the pumps at their ends are fluidly connected via a directional valve with a discharging gun. In case the gun remains unactivated for a certain period of time, the directional valve will operate so that the flow of fluid delivered from the pumps can circulate.
REFERENCES:
patent: 3376868 (1968-04-01), Mondiadis
patent: 4090818 (1978-05-01), Hope et al.
patent: 4321014 (1982-03-01), Eburn, Jr. et al.
patent: 4436230 (1984-03-01), Hofmann
patent: 4493614 (1985-01-01), Chu et al.
patent: 4545736 (1985-10-01), Walton
patent: 4589825 (1986-05-01), Schmidt
patent: 4700205 (1987-10-01), Rich et al.
patent: 4725207 (1988-02-01), Buckwald
Katsuto Fujita
Kenichi Nakamune
Tsuyoshi Nagata
Smith Leonard E.
Sunstar Engineering Inc.
Szczecina Jr. Eugene L.
LandOfFree
Fluid pressurizing delivery pump system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fluid pressurizing delivery pump system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluid pressurizing delivery pump system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1727284