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:
Jun. 09, 2009
Filed:
Apr. 05, 2006
Sachio Ohwada, Koto-ku, JP;
Kouichi Tsubata, Koto-ku, JP;
Seiichi Sakuma, Koto-ku, JP;
Shinjirou Akaboshi, Koto-ku, JP;
Akira Yasutome, Koto-ku, JP;
Sachio Ohwada, Koto-ku, JP;
Kouichi Tsubata, Koto-ku, JP;
Seiichi Sakuma, Koto-ku, JP;
Shinjirou Akaboshi, Koto-ku, JP;
Akira Yasutome, Koto-ku, JP;
Mayekawa Mfg. Co., Ltd., Tokyo, JP;
Abstract
An air shutter of low cost, high efficiency, and easy maintainability is provided, which can interrupt efficiently the flowage of air across a doorway when the door is open based on the consideration of the experimental data of the flowage of air across the opening area of the doorway of a cold storage. The air shutter comprises a gatepostand a gatepostinstalled at both sides of the opening area of a doorway. The gatepostis provided with a lower slit nozzle, a suction opening, and lower fansand a suction ductinside thereof, on the other hand, the gatepostprovided with an upper slit nozzle, a suction opening, and lower fansand a suction ductinside thereof.