Urea pump module for vehicle
US10458303B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Dec 3, 2017 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Apr 24, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A vehicular urea pump module includes a structure capable of preventing urea from permeating into electrical elements such as a pump, a heater, and a sensor of the urea pump module; a structure capable of easily defrosting frozen urea; a structure of separating foreign substances; a structure of reducing vibration noise; a structure of enabling the discharge and suction of urea using a single pump; and a structure of increasing the efficiency of assembly for ease of assembly of respective elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.