Ejector

Details Ejector Ejector

2007-01-23

2007-01-23

Freay, Charles G. (Department: 3746)

Pumps

One fluid pumped by contact or entrainment with another

Jet pump with motive fluid generating pump

C417S088000, C417S195000

Reexamination Certificate

active

10435786

ABSTRACT:
A nozzle (41) is made of a sintered metal, and a pressure increasing portion (a mixing portion (42) and a diffuser (43)) is manufactured by plastic-forming a metal pipe. Accordingly, the nozzle (41) can be manufactured in a short time while high accuracy in machining is maintained. Thus, the cost of manufacturing an ejector (40) can be reduced.

REFERENCES:
patent: 4285638 (1981-08-01), Clark
patent: 5343711 (1994-09-01), Kornhauser et al.
patent: 6042019 (2000-03-01), Rusch
patent: 6228508 (2001-05-01), Kassanits et al.
patent: 6623876 (2003-09-01), Caron
patent: 6673165 (2004-01-01), Koga et al.
Chinese Office Action dated Jul. 30, 2003 in corresponding Chinese Application No. 03125142.0 with English translation.

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