Temperature sensor to detect deterioration of catalytic converter of vehicle; has thermistor with welded wires, of small dead volume, enclosed in structure of two concentric cylinders

摘要

The sensor (100) has a thermistor in the form of a solid cylinder (33) with a pair of electrode wires (22), with their ends (22a) projecting from the thermistor. Two signal wires (31) are connected to the electrode wires. The electrode and signal wires may be welded together.