Vacuum pump
US11346350B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 1, 2019 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | Mar 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.