Continuous pressure molten metal supply system and method
Type: Patent
View the complete
patent at USPTO.gov
  
Number: 06536508
Market: Aerospace,Alumina,Aluminum Ingot,Automotive,Building & construction,Commercial transportation,Industrial products,Packaging and consumer,Oil & Gas,Consumer electronics,Sustainability
Technology: Manufacturing systems & technology,Alloy product & process,Aerospace design
Year: 2003
Abstract: A molten metal supply system includes a plurality of injectors each having an injector housing and a reciprocating piston. A molten metal supply source is in fluid communication with the housing of each of the injectors. The piston is movable through a return stroke allowing molten metal to be received into the housing from the molten metal supply source, and a displacement stroke for displacing the molten metal from the housing. A pressurized gas supply source is in fluid communication with the housing of each of the injectors through respective gas control valves. The gas supply source is used to pressurize a space formed between the molten metal and the piston during the return stroke of the piston of each of the injectors.
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