Diesel exhaust fluid tank venting system
US8967181B2 · kind B2 · utility
11Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2012 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Sep 3, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86485
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An exhaust after-treatment system associated with a diesel engine includes a diesel exhaust fluid storage unit. The storage unit includes a diesel exhaust fluid tank and a vent system coupled to the tank and configured to regulate flow of air into the tank and fluid vapor out of the tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.