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:
Jul. 01, 2025
Filed:
Nov. 23, 2021
Applicant:
Edwards S.r.o., Lutin, CZ;
Inventors:
Assignee:
Edwards S.R.O., Olomouc, CZ;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F04D 19/04 (2006.01); F04D 29/058 (2006.01); F04D 29/32 (2006.01); F04D 29/64 (2006.01);
U.S. Cl.
CPC ...
F04D 29/662 (2013.01); F04D 19/042 (2013.01); F04D 19/048 (2013.01); F04D 29/058 (2013.01); F04D 29/321 (2013.01); F04D 29/644 (2013.01);
Abstract
The present disclosure relates to a rotor assemblyfor a turbomolecular pump. The rotor assemblycomprises a rotor shaft, a plurality of rotor bladesextending from the rotor shaft, and a balancing memberfitted within the rotor shaftwith an interference fit. The rotor shaftextends along a longitudinal axisabout which the rotor assemblyis configured to rotate. The interference fit is such that the balancing memberis retained in compression by the rotor assembly. The present disclosure also relates to a turbomolecular pumpincluding the rotor assemblyand a method of assembling a rotor assemblyfor the same.