Ejector with motive flow swirl
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United States of America Patent
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Feb 23, 2021
Grant Date -
Mar 27, 2014
app pub date -
Apr 10, 2012
filing date -
Jun 10, 2011
priority date (Note) -
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Abstract
An ejector (200; 300; 400) has a primary inlet (40), a secondary inlet (42), and an outlet (44). A primary flowpath extends from the primary inlet to the outlet. A secondary flowpath extends from the secondary inlet to the outlet. A mixer convergent section (114) is downstream of the secondary inlet. A motive nozzle (100) surrounds the primary flowpath upstream of a junction with the secondary flowpath to pass a motive flow. The motive nozzle has an exit (110). The ejector has surfaces (258, 260) positioned to introduce swirl to the motive flow.
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