Expansion valve

Details Expansion valve Expansion valve

2005-05-24

2005-05-24

Norman, Marc (Department: 3744)

Automatic temperature and humidity regulation

Thermostatic

With pressure control

C062S222000, C137S613000, C137S614000

Reexamination Certificate

active

06896190

ABSTRACT:
An expansion valve1includes a square rod-shaped valve body10. A first path20into which refrigerant is introduced, a valve chamber22formed near the bottom of the path, a second path24for refrigerant heading toward an evaporator and a third path26for refrigerant returning from the evaporator are provided to the valve body10. A valve member30provided inside the valve chamber is operated by a power element70via an actuating rod60. In order to assemble the expansion valve, an assembled orifice member40and an assembled guide member100are press-fitted into an opening provided to the valve body10.

REFERENCES:
patent: 6092733 (2000-07-01), Watanabe et al.
patent: 6533245 (2003-03-01), Takemoto et al.
patent: 0691517 (1996-01-01), None
patent: 0781970 (1997-07-01), None
patent: 0959310 (1999-11-01), None
patent: 1275916 (2003-01-01), None
patent: 2000-304381 (2000-11-01), None
European Search Report dated Nov. 24, 2003.

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