Aspirator

Details Aspirator Aspirator

1998-03-09

2000-06-06

Walberg, Teresa

Pumps

One fluid pumped by contact or entrainment with another

Jet

417189, 137888, F04F 548

Patent

active

060710845

ABSTRACT:
An aspirator for inflating inflatable devices such as aircraft emergency evacuation slides and life rafts using a quantity of primary gas that is stored in a tank that within the aspirator entrains a secondary gas, typically outside air, as the primary gas flows through the aspirator thereby producing sufficient gas to inflate a large inflatable structure or device as described above. The aspirator typically has injectors therein which act to promote the entrainment of large quantities of the secondary fluid using small quantities of the primary fluid thereby resulting in a large combined flow of gas forcibly flowing into the inflatable structure.

REFERENCES:
patent: 3591314 (1971-07-01), Day
patent: 3598504 (1971-08-01), Siravo
patent: 3684404 (1972-08-01), Galbraith
patent: 4368009 (1983-01-01), Heimovics, Jr. et al.
patent: 4566862 (1986-01-01), Halavais
patent: 4592349 (1986-06-01), Bird
patent: 5002465 (1991-03-01), Lagen et al.

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