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. 18, 2015
Filed:
Jul. 31, 2012
Applicants:
Jung-kuei Lin, Hsinchu, TW;
Yun-yuan Chang, Taipei, TW;
Inventors:
Jung-Kuei Lin, Hsinchu, TW;
Yun-Yuan Chang, Taipei, TW;
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 1/06 (2006.01); F03D 11/00 (2006.01); F16C 33/76 (2006.01); F16C 33/78 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0658 (2013.01); F03D 11/00 (2013.01); F16C 33/768 (2013.01); F16C 33/7836 (2013.01); F16C 33/7886 (2013.01); F16C 33/7896 (2013.01); F05B 2240/221 (2013.01); F05B 2240/57 (2013.01); F16C 2300/14 (2013.01); F16C 2360/31 (2013.01); Y02E 10/721 (2013.01); Y02E 10/722 (2013.01); Y10T 29/49316 (2015.01);
Abstract
A windmill having a hub sealing apparatus for sealing an interface between a hub and a blade of the windmill, The hub sealing apparatus includes a bottom sealing ring configured to be sealed to the hub, a top sealing ring configured to be rotatably sealed to the blade, and a middle sealing ring configured to be sealed to the top sealing ring and the bottom sealing ring, so as to connect the top and bottom sealing rings.