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:
Jul. 21, 1981
Filed:
Jun. 12, 1978
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23D / ;
U.S. Cl.
CPC ...
431328 ;
Abstract
A device comprises a primary combustion space adjacent the fuel vaporizing portion of a porous body exposed thereto, and a secondary combustion space provided downstream from the primary combustion space. Of the primary air supply to the primary combustion space and the secondary air supply to the secondary combustion space, at least the flow of the primary air is regulated by an air regulator to steplessly vary the calorific value while maintaining satisfactory combustion.