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:
Jan. 09, 2024
Filed:
Oct. 19, 2022
Applicant:
John Crane Uk Limited, Slough, GB;
Inventor:
Graham Barlow, Slough, GB;
Assignee:
JOHN CRANE UK LIMITED, Slough, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/124 (2006.01); H02K 5/10 (2006.01); H02K 16/02 (2006.01); F16J 15/3204 (2016.01);
U.S. Cl.
CPC ...
H02K 5/124 (2013.01); F16J 15/3204 (2013.01); H02K 2205/09 (2013.01);
Abstract
A rotary machine includes a rotating shaft, a housing that surrounds a portion of the rotating shaft and has an initial pressure therein and a gas seal that pumps gas out of the housing to reduce pressure in the housing to an operating pressure that is less than the initial pressure.