Gas sensor and method for manufacturing the same

Details Gas sensor and method for manufacturing the same Gas sensor and method for manufacturing the same

2006-12-01

2008-12-23

Cygan, Michael (Department: 2855)

Measuring and testing

Gas analysis

C427S443000

Reexamination Certificate

active

07467538

ABSTRACT:
A gas sensor and method of producing the same, the gas sensor including a sensor element extending along a longitudinal axis of the gas sensor; a metal shell surrounding the sensor element; and a protector fixed on a front portion of the metal shell and covering a front portion of the sensor element which projects from the front end of the metal shell, wherein an oil agent is present on one or both of an inner gas-receiving surface of the metal shell and an inner peripheral surface of the protector in a total amount of less than 0.7 mg.

REFERENCES:
patent: 2006/0233962 (2006-10-01), Suganuma et al.
patent: 09-170089 (1997-06-01), None
patent: 2000-265281 (2000-09-01), None
patent: 2002-12982 (2002-01-01), None
patent: WO 2005/065846 (2005-07-01), None

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