Vehicle engine with integral vacuum generator
US7353812B1 · kind B1 · utility
18Cited by
24References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2007 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Mar 14, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2009/024
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An integral vacuum generator system for an internal combustion engine includes a throttle body and intake manifold defining a bypass passage which is connected with a vacuum manifold by both a venturi and a direct vacuum supply passage. Vacuum flow through the venturi and the direct vacuum supply passage are controlled by check valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.