Options
Title
Ventil
Date Issued
1998
Author(s)
Schmidt, U.
Schuetz, H.G.
Meinel, M.
Buehling, H.
Patent No
1997-19709746
Abstract
The valve, especially as an overload safety valve for a mechanical press, has a mechanical lock on the valve piston (1) in the pressure medium flow path between an entry (7) and outlet (9) opening. The lock is a screw which is broken by a pyrotechnic or explosive action. The valve piston (1) has the structure of a step piston, where it is under loading from the pressure medium. USE - The safety valve is for protection of a mechanical press from damage through overloading. ADVANTAGE - The structure gives a more rapid opening action and the valve piston movement is dampened at the end phase of the opening operation. The system also prevents premature closure of the valve.
Language
de
Patenprio
DE 1997-19709746 A: 19970310