Oil drawing and dispensing device

Details Oil drawing and dispensing device Oil drawing and dispensing device

1999-02-01

2000-09-05

Derakshani, Philippe

Fluid handling

Siphons

With flow starting, stopping or maintaining means

2224651, 141 26, 141 67, F04F 1000

Patent

active

061127590

ABSTRACT:
A drawing and dispensing device includes a container for receiving a liquid and having an opening coupled to a pipe for drawing a liquid into the container. A check valve is attached to the port. A pump device is attached to the check valve for pumping the liquid into the container. The check valve includes a plate having one or more orifices, and a resilient panel attached to the plate for blocking the-orifice and for allowing air to be drawn out of the container only and for preventing the air from flowing into the container via the check valve. A balancing valve is attached to the container for balancing the pressure in the container and for preventing the container from being deformed.

REFERENCES:
patent: 104641 (1870-06-01), Pitman
patent: 108087 (1870-08-01), Averell et al.
patent: 503232 (1893-08-01), Franklin
patent: 1308101 (1919-07-01), Oftedahl
patent: 1582399 (1926-04-01), Helander

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