Method for emptying an SCR supply system
US12104518B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Nov 16, 2023 |
| Grant date | Oct 1, 2024 |
| Priority date | — |
| Expiry date | Nov 16, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Method for emptying an SCR supply system, wherein the SCR supply system comprises a pump with a pump chamber and an actively controllable inlet valve and an actively controllable outlet valve, wherein an emptying process of the SCR supply system is detected and controlled as a function of the pressure curve in negative pressure phases and/or criteria determined in pressure release phases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.