Vapor recovery control system for an internal combustion engine
US5921222A · kind A · utility
65Cited by
15References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 1998 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Aug 5, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M25/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A system and method for controlling a vapor recovery system. The system uses a vapor sensor canister containing activated charcoal and two temperature probes. The sensor provides a differential temperature measurement that can be monitored and processed to determine hydrocarbon content in the vapor recovery system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.