Butterfly valve type throttle valve of internal combustion engine
US7624716B2 · kind B2 · utility
3Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2006 |
| Grant date | Dec 1, 2009 |
| Priority date | — |
| Expiry date | Sep 2, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K1/2261
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A throttle valve of the invention includes a clearance closing member provided along a peripheral edge of a valve body displaceably and elastically deformable in a direction extending along an axis of an intake passage, a direction perpendicular to the axis of the intake passage, and a direction inclined with respect to the axis of the intake passage, for closing a clearance between the peripheral edge of the valve body and an inner wall surface of the intake passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.