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. 24, 2020
Filed:
Aug. 02, 2017
Applicant:
Edwards Limited, Burgess Hill, GB;
Inventor:
Paul Milner, Burgess Hill, GB;
Assignee:
Edwards Limited, Burgess Hill, GB;
Primary Examiner:
Int. Cl.
CPC ...
F04D 19/04 (2006.01); F04D 29/02 (2006.01); F04D 29/54 (2006.01); F04D 29/64 (2006.01); F04D 29/52 (2006.01);
U.S. Cl.
CPC ...
F04D 19/04 (2013.01); F04D 19/042 (2013.01); F04D 19/046 (2013.01); F04D 29/02 (2013.01); F04D 29/023 (2013.01); F04D 29/52 (2013.01); F04D 29/522 (2013.01); F04D 29/54 (2013.01); F04D 29/542 (2013.01); F04D 29/64 (2013.01); F04D 29/644 (2013.01);
Abstract
Turbomolecular stator components include an array of stator blades, arranged to interact with pumped gases. Spacers are used to locate the stator blade array and couple the stator blade array to a housing. The stator components include an outer section that is resilient and arranged to cooperate with the spacers.