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:
Sep. 06, 1994
Filed:
Sep. 21, 1992
Applicant:
Inventors:
Yasutaka Komatsu, Ibaraki, JP;
Michio Kuroda, Ibaraki, JP;
Yasuhiko Ootawara, Ibaraki, JP;
Nobuyuki Iizuka, Ibaraki, JP;
Isao Sato, Ibaraki, JP;
Masayuki Taniguchi, Ibaraki, JP;
Noriyuki Hayashi, Ibaraki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23C / ; F23R / ;
U.S. Cl.
CPC ...
60 3923 ; 60737 ; 60749 ;
Abstract
A combustor comprises a passage area changing mechanism which relatively moves a flame holder relative to a premixed combustion nozzle in an axial direction so that the area of passage for premixed gas between an injection edge of the premixed combustion nozzle and a peripheral edge of the flame holder can be changed. Stable combustion can be maintained over a wide load range and reduction in NOx can be achieved.