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.

Date of Patent:
Nov. 16, 1999

Filed:

Sep. 24, 1996
Applicant:
Inventors:

Yasuhiro Kato, Tokyo, JP;

Hisayuki Matsuzawa, Tokyo, JP;

Yutaka Ito, deceased, late of Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ; H05B / ; H05B / ;
U.S. Cl.
CPC ...
4174235 ; 219200 ; 219467 ; 41742314 ;
Abstract

A fan comprises blowing units, each including a squarely hollow casing, an electric motor incorporated into the casing and an axial impeller coupled to the motor for generating an air flow from an inlet toward nozzles; the casing having one end opened to form the inlet and the opposite end opened to form the nozzles; and a guide which projects into the casing to arrange the nozzles in a parallel pattern, in a slit shape and in rows; wherein each blowing unit has opposite side walls of the casing formed with openings for mounting heaters at locations corresponding upstream portions of outlets of the parallel nozzles, and the blowing units are coupled together at adjacent sides thereof to be arranged in a row so that the units have corresponding openings located in alignment with one another throughout the entire coupled units.


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