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:
Aug. 13, 2019
Filed:
Dec. 11, 2014
Applicant:
Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd., Beijing, CN;
Inventors:
Shengjun Ma, Beijing, CN;
Chengqian Liu, Beijing, CN;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27B 17/00 (2006.01); F27D 7/02 (2006.01); F27D 7/04 (2006.01); C21D 9/40 (2006.01); C21D 1/34 (2006.01); C21D 1/767 (2006.01);
U.S. Cl.
CPC ...
F27B 17/0083 (2013.01); C21D 1/34 (2013.01); C21D 1/767 (2013.01); C21D 9/40 (2013.01); F27B 17/00 (2013.01); F27B 17/0016 (2013.01); F27D 7/02 (2013.01); F27D 7/04 (2013.01); F27D 2007/045 (2013.01);
Abstract
A heating device for an annular component is provided. The heating device is configured to heat the annular component via hot gas flow, and includes a gas flow heater, a draught fan, and an annular cavity for accommodating the annular component. An outer wall of the annular cavity is provided with a gas flow inlet and a gas flow outlet, the gas flow heater heats a gas flow, and the draught fan enables the gas flow to enter into the gas flow inlet, pass through a gas flow passage in the annular cavity, and be discharged via the gas flow outlet.