Gas sensor

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2005-07-05

2005-07-05

Olsen, Kaj K. (Department: 1753)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S428000

Reexamination Certificate

active

06913678

ABSTRACT:
An insulator, airtightly supported via an annular metallic packing on a cylindrical housing, has a small-diameter portion and a large-diameter portion. A tapered surface extends in a radially outer direction from a small-diameter cylindrical surface to a large-diameter cylindrical surface. A receiving surface, formed on an inside wall of the housing, supports the tapered surface via the metallic packing. The tapered surface is brought into line contact with the metallic packing at its outer or inner circumferential portion.

REFERENCES:
patent: 4310401 (1982-01-01), Stahl
patent: 4526672 (1985-07-01), Reed
patent: 4569748 (1986-02-01), Yamakawa et al.
patent: 4802369 (1989-02-01), Morii
patent: 5585547 (1996-12-01), Kim et al.
patent: 5688390 (1997-11-01), Yamauchi et al.
patent: 8-193971 (1996-07-01), None
Metals Handbook, Desk Edition (2nd), by ASM International, 1998, pp. 76 and 611.
Copper and Copper Alloys, ASM Specialty Handbook, 2001, pp. 562 and 563.
ASM Metals Reference Book, 3rd Edition, 1993, pp. 226, 369, and 464.

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