Ejector for use with pneumatic booster

Details Ejector for use with pneumatic booster Ejector for use with pneumatic booster

2005-12-20

2005-12-20

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Having interior filter or guide

C239S590500, C239S590300, C239S553300, C239S428500, C417S196000

Reexamination Certificate

active

06976645

ABSTRACT:
An ejector having an ejector body integrally formed with a nozzle having inlet and outlet ends, a diffuser having inlet and outlet ends and a suction passage defining a suction port between the outlet end of the nozzle and the inlet end of the diffuser. The nozzle and diffuser define fluid passages having a rectangular cross section or a circular cross section in which the narrowest portion of the fluid passage of the nozzle defines a throat. The diffuser has a diverging portion which diverges to have a divergence angle of 5–10 degrees in case of a two dimensional ejector or 3.5–6.5 degrees in case of a three dimensional ejector.

REFERENCES:
patent: 3754841 (1973-08-01), Grabb et al.
patent: 5796772 (1998-08-01), Smith et al.
patent: 6625981 (2003-09-01), Ikeda et al.
patent: 2002-211385 (2002-07-01), None
patent: 2003-21100 (2003-01-01), None

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