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. 09, 2000
Filed:
May. 30, 1997
Applicant:
Inventor:
Seiichiro Noritake, Nagano, JP;
Assignee:
Sankyo Seiki Mfg. Co., Ltd., Nagano-ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F16K / ;
U.S. Cl.
CPC ...
62186 ; 137595 ; 137870 ;
Abstract
A damper comprises two cold air inlets through which a fluid flows, two gate plates which open and close the two cold air inlets and a drive unit for driving the two gate plates. The drive unit is installed between the two cold air inlets to open and close the gate plates. The drive unit operates to control the fluid flow. In a particular form, the damper is installed in a refrigerator for opening and closing two cold air inlets of the refrigerator.