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
Multilevel directory assistance apparatus and method
Using sets of OTDR receive fibers with different lengths of marker events to verify optical fiber connectivity
Isoselective polymerization of epoxides
Piezoelectric ultrasonic transducer apparatus
Display screen with graphical user interface
Cake knife handle
Identification wristband
  Randomly Featured Patents
Method and apparatus for power converter for class D audio power amplifiers
Disc brake pillar array
Developing device, process cartridge, and image forming apparatus
Systems and methods for displaying linked information in a sorted context
Flexible conduit connection for motor
Detecting an orientation of characters in a document image
Aqueous gel retinoid dosage form
Method and apparatus for surgical electrocautery
Exercising attachments for wheelchairs