Resources Contact Us Home
Variable valve operating control apparatus for internal combustion engine and control method thereof

Image Number 13 for United States Patent #7011055.

A centric phase of an operating angle of an engine valve is detected on the basis of an interval between a reference rotational position of a crankshaft and a reference rotational position of a camshaft, and on the other hand, the centric phase is detected at a period shorter than a period between the reference rotational positions, and one of those detected results is selected on the basis of a predetermined regulation, and an opening characteristic of the engine valve is operated on the basis of the selected centric phase.

  Recently Added Patents
Polarization-coupled ferroelectric unipolar junction memory and energy storage device
Method for forming a film
Device and method for processing input data of protective relay
Buried object detection in GPR images
Hand mixer
Therapeutic rinse in a self-heating package
Optical analysis device, optical analysis method and computer program for optical analysis
  Randomly Featured Patents
Camera shake correction system
Organic electroluminescence display device comprising auxiliary wiring
Feedback method and processing system for policy installation failures
Reverse drive mechanism for a motorcycle
Television receiver
Apparatus to manufacture green bricks
Multiple resonator or filter vibrating in a coupled mode
Low voltage current mirror
Method for offering insurance products without a complete audit of a potential purchaser
Self cleaning kitty litter box having a movable floor