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. 09, 2017
Filed:
Jun. 13, 2014
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Yongsheng Zhou, Mississauga, CA;
Tibor Urac, Mississauga, CA;
Esther Leung, Markham, CA;
Grigory Rukin, Vaughan, CA;
Noushin Bahramshahi, Thornhill, CA;
Yuhua Wu, Brampton, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, Quebec, unknown;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 17/16 (2006.01); F02C 9/20 (2006.01); F04D 29/46 (2006.01); F04D 29/56 (2006.01);
U.S. Cl.
CPC ...
F01D 17/16 (2013.01); F01D 17/165 (2013.01); F02C 9/20 (2013.01); F04D 29/462 (2013.01); F04D 29/563 (2013.01); F05D 2260/50 (2013.01);
Abstract
A single bolting flange arrangement for variable inlet guide vane (VIGV) connection includes a connection arm connected to a stem of the VIGV to rotate the VIGV. The connection arm is driven by a drive pin received in a slot of the connection arm. The connection arm has a bolting flange and the stem of the VIGV is fastened to one side of the single bolting flange by a bolt/nut assembly.