Plurality of vacuum generation units
US6935845B2 · kind B2 · utility
3Cited by
10References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2001 |
| Grant date | Aug 30, 2005 |
| Priority date | — |
| Expiry date | Jan 8, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04F5/466
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A plurality of vacuum producing units capable of being employed together or independently of each other, each have a housing. The housing is internally provided with at least one ejector receiving means fitted with an ejector insert. The housings have the same transverse dimensions of at least one ejector receiving means. Individual vacuum producing units are fitted with different types of ejector inserts in the ejector receiving means for setting different fluid flow paths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.