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:
Nov. 29, 2016
Filed:
Aug. 06, 2013
Applicant:
General Electric Company, Schenectady, NY (US);
Inventors:
Radu Ioan Danescu, Greer, SC (US);
David Martin Johnson, Simpsonville, SC (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/02 (2006.01); F01D 11/00 (2006.01);
U.S. Cl.
CPC ...
F01D 11/02 (2013.01); F01D 11/001 (2013.01); F05D 2250/25 (2013.01); F05D 2250/281 (2013.01);
Abstract
A helical seal system includes a first component, and a second component rotatable relative to the first component. The second component extends from a high pressure portion to a low pressure portion through an intermediate portion. A helical seal is provided on the intermediate portion of the second component. The helical seal includes at least one thread component having a pitch that is configured and disposed to draw fluids from the low pressure portion toward the high pressure portion when the second component is rotated.