Delivery module for a metering system for metering a reducing agent into the exhaust gas section of a motor vehicle, and metering system
US10914216B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2018 |
| Grant date | Feb 9, 2021 |
| Priority date | — |
| Expiry date | Jan 8, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The invention relates to a delivery module (1) for a metering system for metering a reducing agent, in particular an aqueous urea solution, into an exhaust gas section of a motor vehicle, comprising a pump (2) which is connected or can be connected to a reducing agent storage tank (4) on the suction side via a suction line (3) and to a metering module (6) on the pressure side via a delivery line (5), wherein a return line (7) which leads back into the storage tank (4) branches off from the delivery line (5). According to the invention, a filter (8) is integrated into the delivery module (1) on the suction side. The invention additionally relates to a metering system comprising such a delivery module (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.