Expansion valve

Details Expansion valve Expansion valve

2007-03-13

2007-03-13

Jiang, Chen-Wen (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C236S09200D

Reexamination Certificate

active

10782819

ABSTRACT:
This invention relates to an expansion valve, which has rectangular flow channels for assembling inlet and outlet pipes of an evaporator with an inlet pipe of a compressor and an outlet pipe of a condenser at an approximate right angle, and a guide part formed on the flow channel, thereby improving a mounting efficiency and reducing flow resistance and noise, and the expansion valve includes a body having at least one or more flow channels, each of which has inlets and outlets whose central lines are at a right angle to each other, and a guide part formed between the inlet and the outlet; a head part mounted on the body and reciprocating a rod in an axial direction by expansion and contraction actions according to a temperature change of the working fluid discharged from an outlet of an evaporator and flowing through the flow channel; and opening means for controlling a flow amount of the working fluid flowing through the flow channel according to the movement of the rod.

REFERENCES:
patent: 08159617 (1996-06-01), None
patent: 2001-241808 (2001-09-01), None

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