Twin vane rotary vacuum pump
US10683864B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2016 |
| Grant date | Jun 16, 2020 |
| Priority date | — |
| Expiry date | Mar 10, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2270/701
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Vacuum pump (1), comprising a housing (2) having an inlet (4) and an outlet (6) and defining a chamber (8) within the housing (2), a rotor (10) for rotational movement about a rotational axis (AR) within the chamber (8), and at least a first and a second vane (22, 24) received in respective first and seconds slots (16, 18) formed in the rotor (10). The first and second slots (16, 18) are substantially parallel to each other, and a length (LV) of each vane (22, 24) is larger than a length (LS) of the respective slot. Production method of such a vacuum pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.