Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Failure diagnosis apparatus for temperature sensor










Image Number 11 for United States Patent #6980904.

A failure diagnosis apparatus for a temperature sensor which detects a temperature that changes depending on an operating condition of an internal combustion engine. Determining that the temperature sensor fails, if the execution condition of the failure determination is satisfied and a temperature difference between the maximum temperature and the minimum temperature detected by the temperature sensor in the determination period, is less than a failure determination threshold value, when the starting of the engine in the preceding engine operation cycle was a cold start. Alternatively, determining that the temperature sensor fails, if the execution condition is satisfied, the temperature difference between the maximum temperature and the minimum temperature is less than the failure determination threshold value, and an engine stop period in the preceding engine operation cycle is longer than a failure determination permission time period, when the starting of the engine in the preceding engine operation cycle was not a cold start.








 
 
  Recently Added Patents
Driving support device, method, and program
Method and apparatus for modeling computer program behaviour for behavioural detection of malicious program
Automatic search system and method
Battery comprising circuitry for charge and discharge control, and method of operating a battery
Delivery of captions, content advisory and other data through digital interface
Modular storage system
Prevention and reduction of blood loss
  Randomly Featured Patents
Method and system for collecting information about a plurality of emitters
Remote control
Method and apparatus for blocking out improper television programs
Manufacture of field emission device
Stapler with detachable accessory
Spathiphyllum plant named `98216-59`
Wall plate
Apparatus for generating spatially modulated light and image recording apparatus
Support bracket for signs and advertising displays
System and method for analyzing the structure of logical networks