Gas sensor with improved structure of protective cover

Details Gas sensor with improved structure of protective cover Gas sensor with improved structure of protective cover

2004-01-20

2008-08-19

Olsen, Kaj K (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S424000

Reexamination Certificate

active

07413641

ABSTRACT:
An improved structure of a protective cover assembly of a gas sensor is provided. The protective cover assembly is of a double-walled structure made up of an inner and an outer cylindrical cover with gas holes. A sensing element is disposed within the inner cover. At least one of the gas holes of the outer cover partially faces a side wall of the inner cover. A top end surface of the inner cover lies within a range defined between opposed portions of a perimeter of the at least one of the gas holes of the outer cover closest to a top and a base end of the cover assembly, respectively. This structure works to avoid breakage of the sensing element arising from wetting with water and to improve a response rate of the gas sensor.

REFERENCES:
patent: 5238552 (1993-08-01), Kato et al.
patent: 5762771 (1998-06-01), Yamada et al.
patent: 6068746 (2000-05-01), Kojima et al.
patent: 6346179 (2002-02-01), Makino et al.
patent: 6348141 (2002-02-01), Kato et al.
patent: 59-088065 (1983-06-01), None
patent: S59-194060 (1984-12-01), None
patent: S63-078265 (1988-03-01), None
patent: 61-171795 (1988-05-01), None
patent: 9-210954 (1997-08-01), None
patent: 2000-105215 (2000-04-01), None
patent: 2000-171430 (2000-06-01), None
patent: 2000-304719 (2000-11-01), None
patent: 2001-099807 (2001-04-01), None
patent: 2002-202279 (2002-07-01), None
Japanese Office Action dated Feb. 5, 2008 issued in corresponding Japanese Appln. No. 2004-008909 with English translation.

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