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:
Feb. 27, 1990

Filed:

Sep. 28, 1988
Applicant:
Inventors:

Katsuhiko Uno, Nara, JP;

Katsuhiko Ishikawa, Ikoma, JP;

Shojiro Inoue, Kitakatsuragi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23D / ; F23D / ;
U.S. Cl.
CPC ...
431314 ; 431309 ; 431310 ; 431311 ; 431312 ; 431313 ; 126 96 ; 126 97 ;
Abstract

The present invention relates to a combustion equipment to be employed for heating in domestic use or the like. The combustion equipment is provided with an air control cylinder having a closed bottom surface inwards of an inner flame cylinder, and an outer control cylinder inwards of a vaporizing portion, and accordingly, radical deterioration of the CO/CO.sub.2 characteristic can be prevented. Furthermore, the air control cylinder is divided into plural stages one above the other and has a through aperture in the lowermost stage connecting said lowermost stage with an inner air path, and at the same time, the outer control cylinder is formed with through holes. Therefore, the combustion equipment of the present invention has a large range of adjustment the combustion volume, and is safe and comfortable in use.


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