Valve seat ring cooling apparatus
US4593655A · kind A · utility
6Cited by
9References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 1985 |
| Grant date | Jun 10, 1986 |
| Priority date | — |
| Expiry date | Mar 28, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F2001/245
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus for cooling valve seat rings which are arranged in a cylinder head of an internal-combustion engine, the valve seat rings being surrounded by annular ducts through which a cooling medium can flow. For the forced circulation of the cooling medium in the annular ducts of the valve seat rings, a first guiding duct is connected to feeding lines of the annular ducts and to the output side of a pump and a second guiding duct is connected to discharge lines and to the intake side of the pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.