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:
May. 23, 1995
Filed:
Nov. 22, 1993
Applicant:
Inventors:
Hideaki Ishikawa, Nagoya, JP;
Hideyuki Jinno, Nagoya, JP;
Assignee:
Rinnai Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23D / ;
U.S. Cl.
CPC ...
431328 ;
Abstract
In a burner plate having a multitude of fire holes each piercing through its thickness so as to effect a primary burning thereon with a high heat capacity, it is adapted to continuously differentiate a time period required for an air-fuel mixture gas to pass through the fire holes of the burner plate from a central portion toward an outer periphery of the burner plate.