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. 20, 2001
Filed:
Aug. 09, 1999
Applicant:
Inventors:
William Lee Giesler, Phoenix, AZ (US);
Jack Moy, Chandler, AZ (US);
Kellan Geck, Chandler, AZ (US);
Charles Jon Alten, Scottsdale, AZ (US);
Assignee:
AlliedSignal, Inc., Morris Township, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 1/102 ;
U.S. Cl.
CPC ...
F04D 1/102 ;
Abstract
An air turbine starter with an improved seal assembly disposed between the turbine and the housing is provided. The seal assembly comprises a face seal, a non-contacting seal axially spaced therefrom to define an air filled annular chamber therebetween and a flow passage having an exit fluidly communicating with said chamber and an inlet fluidly communicating with a source of air.