Interconnect system for heating conductors in an aircraft

Details Interconnect system for heating conductors in an aircraft Interconnect system for heating conductors in an aircraft

1998-06-23

2000-10-03

Luebke, Renee

Electrical connectors

Coupling part including flexing insulation

Sealing

219541, H01R 1340

Patent

active

061264830

ABSTRACT:
A system of interconnected heating conductors, suitable for preventing freezing of water lines in an aircraft for example, includes a plurality of heater units (1, 12) electrically coupled together by respective coupling plugs (9, 10). Each heater unit comprises one or more heating conductor bands or cables (2, 21, 22), with a respective socket contact plug (9) connected to one end thereof and a respective pin contact plug (10) connected to the other end thereof. Each plug (9, 10) includes a housing (6) wherein the conductors of the heater band (2) are crimp-connected to electrical connectors (7), which include pin contacts (723) in the case of the pin contact plug (10) and socket contacts (77) in the case of the socket contact plug (9). The housing (6) is completely filled with a sealing compound (19) which is injected through a fill hole in the housing wall. The pin contacts (723) extend outwardly through contact chambers into a female cavity (411) of the plug (10), while the socket contacts (77) extend outwardly through contact chambers in a male plug member (412) of the plug (9). The two plugs may be matingly plugged together, and mechanically secured by locking bails (23) engaging retaining catches (24). This achieves a very effective seal against moisture penetration, and eliminates capillary action even when subjected to vibrations, shock, temperature variations, and low pressure conditions.

REFERENCES:
patent: 3341690 (1967-09-01), Commins
patent: 4066870 (1978-01-01), Colten
patent: 4101190 (1978-07-01), Schoff
patent: 4419569 (1983-12-01), Colten
patent: 4639066 (1987-01-01), Shimamiya et al.
patent: 5510405 (1996-04-01), Heucher et al.
Excerpt of Product Catalog: "Products for Freeze Protection", Wittmann GmbH, Heidelberg, Germany.
Excerpt of Product Catalog: "Heizelemente und Widerstande", p. 17, friedr.freek GmbH.
Excerpt of Product Catalog: "bringt Warme auf den Punkt bis 1000.degree.C--optimal dosiert--fur Industrie und Labor", Wittmann GmbH, Heidelberg, Germany.
Excerpt of Product Catalog: "The Bartec Group".

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