Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 17, 2006
Patent Application Number
10423868
Date Filed
April 28, 2003
Patent Primary Examiner
Patent abstract
A reducer valve for pressurized gas includes a piston (2) displaceably mounted in a valve housing (3) against the force of a pressure spring (8). At one end, the piston (2) is subjected to pressure by the back pressure via a control pressure line (20) whereby the gas, which flows in from a pressurized gas source via a gas inlet (17), is throttled. The reducer valve is improved so that a specific gas volume remains in the connected pressurized gas source below a minimum pressure. A directional valve (24, 25) is provided in the control pressure line (20) and opens above a predetermined limit pressure.
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