Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1998-06-03
1999-12-14
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361704, 361707, 361713, 361714, 361719, 361720, 361818, 361816, 174 161, 174252, 165 803, 439 761, H05K 720
Patent
active
060025859
ABSTRACT:
The present invention relates to a method and a device for protecting electronics which are cooled with exterior air. The device comprises an electronic circuit (8) arranged on an electronic support (1) with associated connector (7), which electronic circuit (8) consists of electronic components and/or subcircuits. The device is characterized in that it comprises on the one hand a first casing (2) which surrounds the electronic circuit (8) and towards and over the surface of which a cooling air current (30) is led, on the other hand a second casing (6) which is arranged to cooperate with the first casing (2) so that a connector (7) associated with the electronic circuit (8) is protected from the cooling air current (30) in a space (13, 16) separated from the cooling air current (30). An object with the present invention is to protect electronic equipment with associated connectors from moisture, gas and contaminants in exterior air and thereby obstruct corrosion damage and leakage currents which occur when exterior air is used for cooling.
REFERENCES:
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patent: 4047242 (1977-09-01), Jakob et al.
patent: 4241380 (1980-12-01), Lehmann et al.
patent: 4763225 (1988-08-01), Frenkel et al.
patent: 5400216 (1995-03-01), Tsai
patent: 5812373 (1998-09-01), Hwang
Patent Abstracts of Japan, vol. 13 No. 583, p-981 abstract of JP 1-245188 A (NEC Corp.), Sep. 29, 1989.
Patent Abstracts of Japan, vol. 14, No. 391, E-968 abstract of JP 2-143715 A (NEC ENG Ltd). Jun. 1,1990.
SE, A 9404359-3 (Telefonaktiebolaget LM Ericsson), available 96-06-15, see e.g., p. 4 line 150 p. 5 line 4, corresponds to SE, B, 505, 272 published 97-07-28.
Chervinsky Boris L.
Picard Leo P.
Telefonaktiebolaget LM Ericsson
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