Valve, particularly gas injection valve of internal combustion engine for controlling gaseous medium, has alve seat with spring element which takes pre-stressed position when valve is closed

摘要

The valve (1) comprises a valve seat (2) with a passage opening (3), valve member (4) and a sealing element (5). The sealing element unblock or block the passage opening, and the valve seat has a spring element (6) which takes a pre-stressed position when the valve is closed and supports opening of the valve. The spring element is made from steel or spring steel or plastic.