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. 25, 1991
Filed:
Jul. 12, 1989
Tsutomu Kinoshita, Kosai, JP;
Toshihiko Osakabe, Hamamatsu, JP;
Asmo Co., Ltd., , JP;
Abstract
An improved compact automobile fan unit of the type including a turbofan fixedly mounted on the drive shaft of a motor and having a plurality of backwardly curved blades, and a generally cup-shaped housing having intake openings in its end wall and discharge openings in its side wall and secured to a yoke of the motor for containing therein the turbofan, wherein the backwardly curved blades are circumferentially spaced at different angular intervals and the turbofan has a center of gravity located at an axis of the drive shaft. With the blades thus arranged, the fan unit is capable of operating at high speeds with large capacity without generating unpleasant noise.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile