Flexible heated hose assembly with printed positive temperature co-efficient heater
AssigneeGoodrich Aerospace Services Private Limited
InventorsRaghavendra Hassan Venkataramu, Rhushikesh Patil, Gururaja Bambila, Aruna Kumar Huluvangala Krishnappa
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Abstract
A flexible heated hose assembly for an aircraft is provided. The flexible heated hose assembly including: an inner fluid tube enclosing a fluid passageway, the inner fluid tube having tubular shape; a first silicone liner located radially outward from the inner fluid tube; and a printed positive temperature co-efficient (PTC) heater located radially outward from the first silicone liner.
Claims18
A flexible heated hose assembly for an aircraft, comprising:
- an inner fluid tube enclosing a fluid passageway, the inner fluid tube having tubular shape;
- a first silicone liner located radially outward from the inner fluid tube;
- a printed positive temperature co-efficient (PTC) heater located radially outward from the first silicone liner;
- and
- a pressure sensitive adhesive interposed between the first silicone liner and the printed PTC heater, wherein the printed PTC heater is attached to the first silicone liner via the pressure sensitive adhesive,
- wherein the printed PTC heater comprises a polyimide film, a PTC heater ink, and a heat seal adhesive.
A method of manufacturing a flexible heated hose assembly for an aircraft, the method comprising:
- wrapping a first silicone liner around an inner fluid tube enclosing a fluid passageway, the inner fluid tube having a tubular shape;
- wrapping a printed positive temperature co-efficient (PTC) heater around the first silicone liner;
- attaching the printed PTC heater to the first silicone liner using a pressure sensitive adhesive interposed between the first silicone liner and the printed PTC heater;
- and
- curing the flexible heated hose assembly,
- wherein the printed PTC heater comprises a polyimide film, a PTC heater ink, and a heat seal adhesive.
Dependencies are inferred from the claim text.