Noise minimization for evaporative canister ventilation valve cleaning
US7950375B2 · kind B2 · utility
3Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2008 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Jun 4, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M25/089
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A control system comprising a detection module that detects at least one of a vehicle speed and an engine speed and a canister vent valve control module that selectively modulates the canister vent valve based on at least one of the vehicle speed and the engine speed. A method comprising detecting at least one of a vehicle speed and an engine speed and selectively modulating a canister vent valve based on at least one of the vehicle speed and the engine speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.