Coolant control valve unit having sealing structure
US10352460B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 1, 2017 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | May 1, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P2007/146
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Disclosed is a coolant control valve unit having a sealing structure, the control valve unit including: a rotary valve provided with a valve coolant passage formed from an inner surface to an outer surface of the rotary valve; a valve housing in which the rotary valve is rotatably provided; a fitting coupled to the valve housing, and having a fitting coolant passage; and a sealing unit provided between a front surface of the fitting and the outer surface of the rotary valve, wherein the sealing unit includes: a sealing ring being in contact with the outer surface of the rotary valve; and a rubber ring provided on the front surface of the fitting, and bringing the sealing ring into contact with the outer surface of the rotary valve, wherein the rubber ring has an X-shaped cross-section, with a front groove, a rear groove, an inner groove, and an outer groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.