Pumps – Including separate port on noncyclic valve for venting or...
Patent
1993-06-24
1994-10-18
Gluck, Richard E.
Pumps
Including separate port on noncyclic valve for venting or...
417542, F04B 2100
Patent
active
053562747
ABSTRACT:
The present invention relates to a supplying self-suction unit, and more particularly to a supplying self-suction unit which includes a self-suction barrel which has a suction pipe connected with a storage tank, a water pipe interlinked with an inlet of a pump and a non-return valve installed in the top. A supplying barrel is included which has a bottom inlet pipe interlinked with an outlet of the pump. An outlet pipe extends from the top of the supplying barrel, and a non-return valve is installed in the top of the supplying barrel.
REFERENCES:
patent: 57412 (1866-08-01), Van der Weyde
patent: 736443 (1903-08-01), Printz
patent: 883887 (1906-12-01), Nagel et al.
patent: 1201660 (1916-10-01), Weatherhead et al.
patent: 1301209 (1919-04-01), Worden
patent: 2687696 (1954-08-01), Theis
patent: 3011553 (1961-12-01), Ortman
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