Thermal transpiration pump
US6533554B1 · kind B1 · utility
27Cited by
7References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2000 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Nov 1, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B37/14
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pump comprises a first thermal guard having holes therethrough for passing a gas, a second thermal guard having holes therethrough for passing the gas, a porous thermal transpiration material disposed between the first thermal guard and the second thermal guard, and a heating mechanism to maintain a temperature difference between the thermal guards across the thermal transpiration material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.