Seal pressure vent system for a waterjet apparatus

A seal pressure vent system for a waterjet propulsion apparatus including a water intake section and a pumping unit. The pumping unit is designed such that in operation the seal pressure vent system provides a fluidic path for the flow of high pressure water away from a lip seal assembly toward a ne...

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Bibliographische Detailangaben
Hauptverfasser:	KUMAR ARUN, FACINELLI WILLIAM A, GAINES LOUIE T, SELDER ALBERT G, HWANG MINGFONG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MARINE PROPULSION OR STEERING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A seal pressure vent system for a waterjet propulsion apparatus including a water intake section and a pumping unit. The pumping unit is designed such that in operation the seal pressure vent system provides a fluidic path for the flow of high pressure water away from a lip seal assembly toward a near ambient pressure region. The seal vent system includes a plurality of fluid passageways formed in a stator structure in conjunction with a water barrier ring, a tail cone including an extended flange, or a modified stator web structure.