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:
Apr. 07, 1987
Filed:
May. 23, 1986
Applicant:
Inventor:
Takeshi Kato, Aichi, JP;
Assignee:
Rinnai Corporation, Aichi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23N / ;
U.S. Cl.
CPC ...
137 94 ; 13763015 ; 251 75 ;
Abstract
A water-pressure-operated (i.e., faucet-controlled) gas valve of an instantaneous water heater which opens and closes a gas passage to a main burner in accordance with the pressure of supplied water, resulting from the use of adjusting screws in first and secondary valves cooperating with a constant force spring.