The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 1988
Filed:
Sep. 10, 1987
Tadashi Aoki, Tokyo, JP;
Tadatoshi Ashikaga, Tokyo, JP;
Hiroshi Kuno, Tokyo, JP;
Masakazu Isobe, Tokyo, JP;
Hideaki Ohhira, Sayama, JP;
Kabushiki Kaisha Saginomiya Seisakusho, Tokyo, JP;
Abstract
A five-way valve includes a cylindrical valve body. A piston member is employed in one end of the cylindrical valve body to define a high pressure chamber and a first pressure chamber. A defrosting valve is employed in the other end of the cylindrical valve body to define a second pressure chamber. A slider valve member coupled to the piston member is slidably employed within said high pressure chamber into which the high temperature and high pressure refrigerant from the compressor is induced. An electromagnetic valve is connected between both the first and second pressure converting chambers, and the inlet of the compressor. When the electromagnetic valve is energized to communicate the second pressure converting chamber with the inlet of the compressor, resulting in the generation of a pressure difference in the defrosting valve member, the defrosting valve member is actuated to pass the high temperature and high pressure refrigerant in the high pressure chamber to the inlet of the outdoor heat exchanger for the defrosting purpose, while the indoor heat exchanger is operated to heat ambient atmosphere.