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:
Nov. 12, 1991
Filed:
Oct. 12, 1990
Mitsuaki Mirumachi, Mito, JP;
Hiroaki Mizoguchi, Ibaraki, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Automotive Engineering Co., Ltd., Ibaraki, JP;
Abstract
A blower unit for an automobile air conditioner including a fan for introducing air through an air intake unit and for forcibly discharging air introduced to a casing of the automobile air conditioner through a discharge opening. A scroll casing includes a side wall, arranged around the fan, and a bottom wall closing the side wall. The side wall of the scroll casing is formed in a shape symmetrical about a center line thereof with the center line being parallel to an air streamline in the vicinity of the discharge opening. The side wall has opposed facing ends at the discharge opening. A nose member is mounted within the scroll casing close to one of the opposed facing ends of the side wall.