Exhaust gas recirculation control device
US3931813A · kind A · utility
22Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1973 |
| Grant date | Jan 13, 1976 |
| Priority date | — |
| Expiry date | Jul 25, 1993 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2026/0025
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An orifice and a valve to maintain the ratio of recirculated exhaust gas to engine intake air at an optimum level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.