Stepping motor valve for a refrigerator

Details Stepping motor valve for a refrigerator Stepping motor valve for a refrigerator

2005-01-26

2009-12-29

Jiang, Chen-Wen (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C251S012000, C137S625460

Reexamination Certificate

active

07637116

ABSTRACT:
A stepping motor valve is provided for a refrigerator. The stepping motor valve includes a catching part and a valve body provided at an outer rim portion and a central portion of a bottom surface of a rotator of a stepping motor, respectively. A valve housing and a port support are installed below the stepping motor, and a protrusion is provided on a top surface of the port support. An input port and first and second output ports are provided penetrating through the port support and the protrusion, respectively. Meanwhile, a wire, which protrudes from the interior of the port support and is wrapped around the side surface of the protrusion, is bent at one end thereof in the form of a hook to form a stopper. The stopper formed out of the wire is prevented from being worn, thereby ensuring the operational reliability of the product.

REFERENCES:
patent: 4899073 (1990-02-01), Takeuchi et al.
patent: 6672089 (2004-01-01), Park et al.
patent: 2002/0148241 (2002-10-01), Kaneko et al.

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