Pollutant emission control system and a combined electric switch and temperature responsive valve thereof
US3960124A · kind A · utility
10Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 20, 1975 |
| Grant date | Jun 1, 1976 |
| Priority date | — |
| Expiry date | Jan 20, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8242
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Improved pollutant emission control system and a combined electric switch and temperature responsive valve therefor as utilized in an internal combustion engine wherein a specially arranged electric switch and valve of the combined switch and valve is respectively connected to a catalytic converter of the engine exhaust system and to certain engine portions such as the engine spark device in order that the thermo-responsive power element of the combined switch and valve controls the operation of both the specially arranged electric switch and valve to minimize noxious pollutant emission from the engine exhaust system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.