Parker-hannifin Corporation

Paxton Augustine

Robert Brian Knepple

Andrew Bishop

Leonardi J Jabcon, Jr

Mike G Parran

Leonard J Jabcon, Jr

A pressure protection valve () is provided featuring a swivelable output port fitting () and a valve element () having a portion () configured to redirect a portion of the fluid flow toward the fixed seat () upon initial opening of the valve (). The valve element () is in a portion of the fitting that is inserted into a pressure container so as to be protected from external forces. The valve () may also include a vent cover () sealing the vent port (), the vent cover () movable to vent pressure through the vent port () when the valve () opens and to relieve pressure through the vent port () when the valve () closes.

Pressure protection valve

A system and method for controlling a piston-cylinder assembly of a welding apparatus, the piston-cylinder assembly including a plurality of pressure chambers, wherein the piston-cylinder assembly is operatively coupled to at least one welding electrode of the welding apparatus so as to effect movement of the electrode in a pre-stroke and weld motion, comprises: connecting to a first port of the piston-cylinder assembly a first fluid pressure, the first port in communication with a first pressure chamber so as to effect the pre-stroke motion of the electrode; and connecting to a second port of the piston-cylinder assembly a second fluid pressure, the second port in communication with a second pressure chamber so as to effect the weld stroke motion of the electrode, wherein the second fluid pressure is different from the first fluid pressure.

Growing community of inventors

Kalamazoo, MI, United States of America

Paxton Augustine