Circulating aspirator with improved temperature control
US5582509A · kind A · utility
21Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1995 |
| Grant date | Dec 10, 1996 |
| Priority date | — |
| Expiry date | Aug 17, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04F5/54
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A vacuum aspirator apparatus uses circulating water from a reservoir while avoiding or reducing temperature rise in the circulating water. The apparatus consists of a reservoir with aspiration and cooling circuits, both of which are external to the reservoir, the aspiration circuit containing one or more aspirators with vacuum ports at which a vacuum can be drawn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.