Ejectors with separably secured nozzles, adjustable size...

Details Ejectors with separably secured nozzles, adjustable size... Ejectors with separably secured nozzles, adjustable size...

2008-08-14

2011-12-27

Kramer, Devon C (Department: 3746)

Pumps

One fluid pumped by contact or entrainment with another

Jet

C417S054000, C417S185000, C417S197000, C417S198000

Reexamination Certificate

active

08083495

ABSTRACT:
An ejector comprising a motive inlet, a motive nozzle separably secured to the motive inlet, a suction chamber about the motive nozzle, a suction fluid inlet to the suction chamber, a mixing tube in fluid communication with the suction chamber and the motive nozzle, a diffuser in fluid communication with the mixing tube and distal the suction chamber and the motive nozzle, and an outlet from the diffuser is provided. A nozzle comprising at least two concentric arc nozzle portions is also provided. An ejector comprising a mixing tube including a flexible layer adapted to compress or stretch, thereby allowing a mixing tube diameter to change is further provided.

REFERENCES:
patent: 3003312 (1961-10-01), Jewell
patent: 3891353 (1975-06-01), Templeman
patent: 4595344 (1986-06-01), Briley
patent: 5535770 (1996-07-01), Nurmi
patent: 6523346 (2003-02-01), Hoffmann et al.
patent: 6615574 (2003-09-01), Marks
patent: 2003/0046938 (2003-03-01), Mortzheim et al.
patent: 2005/0258275 (2005-11-01), Williams
patent: 2007/0125092 (2007-06-01), Wolfe et al.
patent: 2008/0089780 (2008-04-01), Erickson et al.

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