Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Diagnosis device for exhaust gas recycling device of internal combustion engine










Image Number 13 for United States Patent #4870942.

A diagnosis device for an exhaust gas recycling device diagnoses whether or not an exhaust gas recycling device is operating normally; the temperature of an exhaust gas recycling passage is detected by a temperature detection means, a decision is made by an exhaust gas recycling operating region detection means whether or not the operating region is such as to carry out exhaust gas recycling, when a decision is made that the operating region is such as to carry out exhaust gas recycling a counter is incremented and when otherwise is decremented, and a decision that the exhaust gas recycling is not being carried out normally, that is that the exhaust gas recycling device has failed, is made when the count value of this counter is at least a certain value and the temperature of the exhaust gas recycling passage is not more than a certain value.








 
 
  Recently Added Patents
Methods and arrangements for realising betting with off-line terminal
Policy based cryptographic application programming interface in secure memory
Global alignment for high-dynamic range image generation
Data output apparatus and data output method
Stereoscopic editing for video production, post-production and display adaptation
Image processing system and method
Card reader device
  Randomly Featured Patents
Chemokine binding protein and methods of use therefor
Cationic surface-active compounds
Separation of animal intestines
Process model error correction method and system
Electronic device including a collet assembly with dual receiving sockets
Transmultiplexer
Laser module and method of coupling an optical fiber thereto
IL-21 production in prokaryotic hosts
Display device with disk and LED
Method of assembling shaped charge projectiles which employ fluted liners