Fuel cell generator containing a gas sealing means
This patent describes a high temperature solid electrolyte electrochemical generator comprising: (A) an exterior housing; (B) a gas permeable thermal insulation layer disposed next to and within the exterior housing; (C) an interior volume defined by the thermal insulation. The volume contains a fuel gas inlet generating chamber and a combustion product chamber contains combustion product outlet means, with a gas permeable partition dividing the fuel gas inlet generating chamber and combustion product chamber; (D) electrochemical cells, having solid electrolyte, disposed within the generating chamber; (E) means for supplying fuel gas and oxidant gas to the electrochemical cells for reaction in the generating chamber, so that reacted fuel gas passes through the gas permeable partition; and (F) seal means disposed through the thermal insulation and extending from the exterior housing to the gas permeable partition, so that reacted fuel gas cannot pass from the generating chamber into the combustion product chamber through the thermal insulation, but must pass through the gas permeable partition into the combustion product chamber.
- Assignee:
- Westinghouse Electric Corp., Pittsburgh, PA
- Patent Number(s):
- US 4640875
- OSTI ID:
- 6780034
- Country of Publication:
- United States
- Language:
- English
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COMBUSTION CHAMBERS
COMBUSTION PRODUCTS
DIRECT ENERGY CONVERTERS
ELECTRIC GENERATORS
ELECTROCHEMICAL CELLS
ELECTROLYTES
FLUID FLOW
FLUIDS
FUEL CELLS
FUEL GAS
FUELS
GAS FLOW
GAS FUELS
GASES
HIGH-TEMPERATURE FUEL CELLS
INTAKE STRUCTURES
LAYERS
MECHANICAL STRUCTURES
OXIDIZERS
PERMEABILITY
SEALS
SOLID ELECTROLYTES
THERMAL INSULATION