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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.:

US 4449919 B1

PDFFull Text
Date of Patent:
May. 22, 1984

Filed:

Jun. 02, 1981

Gas combustion apparatus capable of detecting environmental oxygen

Applicant:
Inventors:

Osamu Takikawa, Chigasaki, JP;

Masaki Katsura, Yokosuka, JP;

Chiaki Tanuma, Tokyo, JP;

Katsunori Yokoyama, Ebina, JP;

Assignee:

Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;

Attorney:

Oblon, Fisher, Spivak, McClelland & Maier

Primary Examiner:

Larry Jones

Assistant Examiner:

Carl D Price

Int. Cl.
CPC ...
F23H / ;
U.S. Cl.
CPC ...
431 76 ; 236 / ; 204286 ; 204283 ; 204291 ; 204292 ; 204421 ; 204426 ; 204429 ;
Abstract

A gas combustion apparatus is disclosed wherein an oxygen sensor having electrodes on both surfaces of a base body is fixed in advance at a position such that the oxygen sensor is within the exhaust gas a combustion flame under normal conditions and a combustion flame under oxygen deficiency conditions is brought into contact with only the measuring side electrode. The oxygen sensor is preferably mounted to a heat-resistance holder having an opening such that the measuring side electrode corresponds with the opening.

Find Patent Forward Citations

Takikawa, Osamu. (1984). Gas combustion apparatus capable of detecting environmental oxygen (U.S. Patent No. 4449919). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4449919

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