Lightning protection electrical circuit path for coupling between aircraft structures
First Claim
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1. A lightning protection electrical current path for coupling between aircraft structures comprising:
- a first aircraft structure;
a second aircraft structure;
a grounding clip electrically conductively connected to said first aircraft structure;
a grounding strip electrically conductively connected to said second aircraft structure;
said grounding clip and said grounding strip comprising stainless steel; and
,said grounding strip and said grounding clip having tungsten carbide coated interfacing and abutting surface portions.
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Abstract
A method of providing lightning protection for non-metallic component structures, aircraft skins, etc. including sandwich-type skins on aircraft where fast removal and easy access is required between components of the lightning protection electrical circuit path. The electrical circuit path between aircraft structures utilizes a flexible clip not requiring fastener connection and removal when a component at the end of the circuit path is required to be replaced.
25 Citations
5 Claims
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1. A lightning protection electrical current path for coupling between aircraft structures comprising:
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a first aircraft structure; a second aircraft structure; a grounding clip electrically conductively connected to said first aircraft structure; a grounding strip electrically conductively connected to said second aircraft structure; said grounding clip and said grounding strip comprising stainless steel; and
,said grounding strip and said grounding clip having tungsten carbide coated interfacing and abutting surface portions. - View Dependent Claims (2, 3)
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4. An electrical lightning connection device for providing an electrical current path between a plurality of aircraft structures, said connection device including a plurality of stainless steel elements and a plurality of corrosion-resistant aluminum alloy elements, said stainless steel elements having abutting tungsten carbide coated surface portions, said stainless steel elements comprising said electrical current path, and said plurality of corrosion-resistant aluminum alloy elements disposed relative to said stainless steel element for restricting said electrical current path to said stainless steel elements.
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5. In combination, first and second aircraft composite structures;
- said first and second composite structures having an outer aluminum foil layer;
a grounding strip electrically coupled to the said outer aluminum foil layer of said first composite structure;
a grounding clip electrically coupled to the outer aluminum foil layer of said second composite structure; and
, said grounding clip having a surface portion in circuit path with a surface portion of said grounding strip.
- said first and second composite structures having an outer aluminum foil layer;
Specification
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Current AssigneeThe Boeing Co.
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Original AssigneeThe Boeing Co.
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InventorsHolton, Raymond G. C.
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Primary Examiner(s)Eisenzopf, Reinhard J.
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Application NumberUS06/578,396Time in Patent Office754 DaysField of Search361/218, 361/217, 361/216, 244/1 A, 174/2, 174/6US Class Current361/218CPC Class CodesB64D 45/02 Lightning protectors; Stati...
