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:
May. 18, 2021
Filed:
Jul. 21, 2017
Fujikoki Corporation, Tokyo, JP;
Denso Corporation, Aichi, JP;
Naoki Kamata, Tokyo, JP;
Kinya Okutsu, Tokyo, JP;
Takashi Mogi, Tokyo, JP;
Kurato Yamasaki, Aichi, JP;
Shigeki Ito, Aichi, JP;
FUJIKOKI CORPORATION, Tokyo, JP;
DENSO CORPORATION, Aichi, JP;
Abstract
An expansion valve is provided with a valve body including an inlet hole through which a refrigerant flows into a valve chamber, and a valve hole through which the refrigerant flows out of the valve chamber; a valve element configured to adjust an amount of the refrigerant flowing through the valve hole; a power element that is mounted to the valve body and configured to drive the valve element via a valve rod; a first vibration isolation spring provided in the valve chamber and configured to prevent vibration of the valve element; and a second vibration isolation spring that is in contact with the valve rod and configured to prevent vibration of the valve element.