Injection device
US9222390B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 24, 2012 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | May 26, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86027
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The invention relates to a device for injecting a fluid (2), in particular into the exhaust-gas section of an internal combustion engine, having a reservoir (4) for storing the fluid (2) to be injected; an injection and metering module (10); a pump (8) which is configured for conveying fluid (2) during operation out of the reservoir (4) to the injection and metering module (10); and a return line (16) which makes an outflow of fluid (2) out of the injection and metering module (10) possible, wherein a switchable throttling valve (14) which is suitable for pumping fluid out of the injection and metering module (10) is arranged in the return line (16).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.