Positive displacement air delivery system for an internal combustion engine
US4488400A · kind A · utility
4Cited by
8References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 4, 1983 |
| Grant date | Dec 18, 1984 |
| Priority date | — |
| Expiry date | Apr 4, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A positive displacement air delivery system for an internal combustion engine having a multiple chamber positive displacement air pump and a control valve for directing the output of the air pump to either the engine's catalytic converter or to the engine's air intake for supercharging the engine. The control valve interconnects the individual input and output ports of the air pumps chamber in a predetermined arrangement for optimum efficiency of the pump under the various operational modes of the engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.