Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Knocking control apparatus of internal combustion engine










Image Number 19 for United States Patent #5062402.

An engine which determines the occurrence of knocking using the maximum frequency point, which expresses the maximum strength of vibration which occurs with the highest frequency in the engine. The maximum frequency point is updated in accordance with the engine operating conditions. That is, a first region of a fixed width is set at the larger side of the strength of vibration of the maximum frequency point and the maximum frequency point is increased by a fixed value when the maximum strength of vibration occurring in the engine is in that first region. On the other hand, a second region of a fixed width is set at the smaller side of the strength of vibration of the maximum frequency point and the maximum frequency point is decreased by a fixed value when the maximum strength of vibration occurring in the engine is in that second region.








 
 
  Recently Added Patents
Chair
Food safety printer
RF power amplifier circuit with mismatch tolerance
Polyurethane resin, toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
Image forming apparatus and warming up method thereof
Plants and seeds of corn variety CV778791
LED illumination control using a simple digital command structure
  Randomly Featured Patents
Unitary tamper proof container
Food containing water-soluble colorant
Dual actuator for a read-write data storage device
Prescription pharmacy
Ceiling lighting fixture
Filling compound for light waveguide leads and/or light waveguide cables
PVC shell skatepark
Photovoltaic device
Porous dielectric material with improved pore surface properties for electronics applications
Microcapsules having high carotenoid content