Electrically insulating lead-through assembly with electrocorros

Details Electrically insulating lead-through assembly with electrocorros Electrically insulating lead-through assembly with electrocorros

1998-03-09

2000-02-15

Hoang, Tu Ba

Electric heating

Heating devices

With heating unit structure

422177, 60300, 204286, H05B 308

Patent

active

060255781

ABSTRACT:
An electrically insulating lead-through assembly through which an electrical conductor passes through a metal casing. The metal casing belongs to an exhaust gas system of an internal combustion engine, in particular to an electrically heatable catalytic converter. A metallic sleeve which is welded to the casing defines the lead-through opening through which the conductor extends. The lead-through assembly is protected against electrocorrosion by a sacrificial electrode which is disposed on the sleeve, on the casing in the vicinity of the sleeve, or on a housing covering the lead-through. Alternatively, a ground connector may be connected in the vicinity of the lead-through.

REFERENCES:
patent: 3116401 (1963-12-01), Drugmand
patent: 3176115 (1965-03-01), Balis
patent: 3838384 (1974-09-01), Jacobs
patent: 4152578 (1979-05-01), Jacobs
patent: 4219857 (1980-08-01), Haraldsson et al.
patent: 4543469 (1985-09-01), Cunningham
patent: 4830724 (1989-05-01), Houle
patent: 5023928 (1991-06-01), Houle et al.
patent: 5335311 (1994-08-01), Groothuizen
patent: 5411711 (1995-05-01), Swars
patent: 5618462 (1997-04-01), Swars
Patent Abstracts of Japan No. 61 110 786 (Kobayashi), dated May 29, 1986.

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