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:
Jan. 12, 1988
Filed:
Feb. 28, 1985
Applicant:
Inventors:
Minoru Oguri, Gifu, JP;
Wakizi Sugimoto, Aichi, JP;
Assignee:
Rinnai Corporation, , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23N / ;
U.S. Cl.
CPC ...
431 76 ; 126 / ; 431 80 ;
Abstract
A combustion safety device for the counter-action against oxygen deficiency in a gas heater which is provided with a main burner of the surface combustion type and with an oxygen-deficiency detecting burner of a Bunsen type, in which a primary-air hole of the oxygen deficiency detecting burner is made to communicate with the primary-air supply chamber or distributing chamber of the main burner.