Valve system
US3995356A · kind A · utility
8Cited by
9References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 1974 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Mar 11, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49945
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An air diverter valve for selectively diverting the output of an air pump in a vehicular emission control system from a combustion system to a diversion system, in response to each or all of a variety of system conditions including abrupt rise in intake manifold vacuum, continuing low intake manifold vacuum, continuing high intake manifold vacuum, or overtemperature conditions, and for controlling the duration of the diversion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.