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:
Feb. 01, 2000
Filed:
Jun. 16, 1998
Tominori Ishikawa, Niigata, JP;
Yuji Toyama, Niigata, JP;
Masayuki Terano, Niigata, JP;
Yoshihiro Takada, Ibaraki, JP;
Keiichi Honma, Niigata, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An air cleaner of the present invention includes a housing having an upper wall and side walls, a fan, a supporting plate extending between the two side walls for supporting the fan, a first air flow directional member extending between the supporting plate and the upper wall, and a second air flow directional member provided at a horizontal periphery of the housing. The first air flow directional member not only provides reinforcement to the supporting plate and the upper wall, but also directs an air flow output from the fan. The second air flow directional member has a horizontal plate and vertical plates for directing air flow at the horizontal periphery of the housing. The first air flow directional member and the second air flow directional member are adapted to equalize a velocity of an air flow distributed across an air flow output area of the fan unit. The supporting plate and the first air flow directional member are adapted to maintain a predetermined spacing between a predetermined portion of the fan and the first air flow directional member. The air cleaner of the present invention can reduce energy consumption by improving efficient of the fan.