Ejector

Details Ejector Ejector

2007-02-20

2007-02-20

Ali, Mohammad M. (Department: 3744)

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

Reexamination Certificate

active

11082930

ABSTRACT:
The invention relates to a variable capacity type ejector capable of more precisely adjusting a flow rate of refrigerant in a range in which a displacement means can displace a needle and also capable of increasing a flow rate of refrigerant when the needle valve is fully opened. In the needle valve24which changes the degree of opening (throat portion area) of the nozzle18when the needle is displaced in the axial direction R of the throttle portion18b, the second tapered portion24bis formed on the throat portion18aside of the first tapered portion24a, and the taper angle θ2of the second tapered portion24bis formed larger than the taper angle θ1of the first tapered portion24a.

REFERENCES:
patent: 6729158 (2004-05-01), Sakai et al.
patent: 6779360 (2004-08-01), Kawamura et al.
patent: 6858340 (2005-02-01), Sugawara et al.
patent: 6904769 (2005-06-01), Ogata et al.
patent: 6941768 (2005-09-01), Ikegami et al.
patent: 7040117 (2006-05-01), Nishida et al.
patent: 7062929 (2006-06-01), Nishida et al.
patent: 2003-090635 (2003-03-01), None
patent: 2003-302113 (2003-10-01), None

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