Air fuel ratio sensor with externally located heat source

Details Air fuel ratio sensor with externally located heat source Air fuel ratio sensor with externally located heat source

1998-12-09

2000-05-23

Williams, Hezron

Measuring and testing

Gas analysis

Gas of combustion

73 2332, 422 90, G01N 700

Patent

active

060653272

ABSTRACT:
An air fuel ratio sensor having an externally located heat source and an optical fiber heat introduction member. The heat introduction member is inserted into an inside chamber of a sensor element having a U-shaped cross section, and is connected to the external heat source outside the sensor element for introducing heat from the external heat source into the inside chamber. The heat introduction member is further connected to a temperature detector outside the sensor body. Accordingly, an air fuel ratio sensor can have sufficient durability and sufficient starting performance, and a temperature inside the sensor element can be readily detected.

REFERENCES:
patent: 4512871 (1985-04-01), Kato et al.

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