Vacuum regulation valve in an exhaust gas recirculation system
US4109624A · kind A · utility
5Cited by
6References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 28, 1976 |
| Grant date | Aug 29, 1978 |
| Priority date | — |
| Expiry date | Dec 28, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M26/56
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A vacuum regulation valve operable to regulate the vacuum in the vacuum line of an exhaust gas recirculation system, includes a compact construction and a buffer means which is effective to eliminate the clattering sounds inherent in the conventional vacuum regulation valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.