Fluid jet ejector and ejection method

Details Fluid jet ejector and ejection method Fluid jet ejector and ejection method

1997-08-28

2000-01-25

Freay, Charles G.

Pumps

One fluid pumped by contact or entrainment with another

Jet

417182, 417190, 417306, F04F 544

Patent

active

060171952

ABSTRACT:
An improved vacuum apparatus and method is provided which includes a vacuum body, pump or ejector which produces a plurality of high velocity liquid jet streams of a primary fluid (liquid) such as water discharged into a convergent diffuser to draw a secondary fluid (gas) such as air into a vacuum chamber. The secondary fluid (gas) is entrained within flow spaces formed between the liquid jet streams and is carried through the diffuser by the jet streams. A secondary fluid inlet is operatively connected to an elongate hose which serves as a vacuum line for evacuating, for example, a Mason Jar, a plastic bag, other food storage container, an oil storage or receiving receptacle, or the like. The present invention is especially adapted for use as or in a vacuum seal kit or oil change kit, but not limited thereto.

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Tilia Ultra FoodSaver vacuum sealer; Internet address--http://cariboucry.com/fs/fs.htm; see jar sealer attachment, Feb. 1999.
Pump-N-Seal.TM. Vacuum Locks in Freshness, Fingerhut Catalog, p. 61.

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