Opening device for urea water inlet of vehicle
US11358856B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 26, 2019 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Jun 6, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2610/1413
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An opening device for a urea water inlet may include a first body configured to be provided on an external side of an inlet of a urea filler neck; a second body disposed at an upper end portion of the first body with a ventilation gap between the first body and the second body, and provided with an internal space to be disposed above the inlet; a cover disposed at an upper end portion of the second body, and configured to receive a force to open the internal space of the second body; an opener provided in the second body, and configured to hold the cover at the upper portion of the second body when the cover is configured to close the internal space, and to release holding of the cover when being pressed toward an interior of the second body; and a membrane disposed between the first body and the second body to pass only air therethrough while covering the ventilation gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.