Control valve device
US6176467A · kind A · utility
4Cited by
10References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1997 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Apr 4, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D9/1015
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A portion of a throttle valve at which the throttle valve is fixed on a throttle valve shaft is formed as a thick portion, and the throttle valve has an outer peripheral portion of at least one of an internal combustion engine side and an air intake side formed with a gradually thinned portion which is formed so as to be gradually thinned toward an intake pipe wall than the thick portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.