Patent · US Active

Vacuum pump

US11346350B2 · kind B2 · utility

0Cited by
7References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 1, 2019
Grant dateMay 31, 2022
Priority date
Expiry dateMar 1, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2360/44
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A vacuum pump comprises stator elements in a pump housing. The stator elements cooperate with rotor elements. The rotor elements are held by a rotor shaft, wherein the rotor shaft is mounted in the pump housing via bearing elements. The bearing element is surrounded by a supporting element, wherein the supporting element comprises an inner portion, an outer portion and a plurality of spring arms connecting the inner portion (28) to the outer portion. Each spring arm comprises at least one hollow space.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.