Resources Contact Us Home
Device for indicating the direction of rotation of a body driven by a rotating electrical machine

Image Number 3 for United States Patent #4001689.

A device for indicating the direction of rotation of a rotating body forming part of or associated with rotating electrical machine comprises the combination of a probe unit positioned to interrupt magnetic lines of force generated by the electrical machine, a detector for interpreting signals from the probe unit, and an indicator, which can be a center zero current meter or an oscilloscope, for displaying direction of rotation.

  Recently Added Patents
Video surveillance system employing video primitives
Surface acoustic wave resonator for down-hole applications
Vaccine composition against Streptococcus pyogenes
Compositions substantially free of sodium chloride and methods for the storage of red blood cells
Power management implementation in an optical link
Erasing a non-volatile memory (NVM) system having error correction code (ECC)
Method for generating multi-antenna signals
  Randomly Featured Patents
Improved trigger mechanism for shotguns having superposed barrels
Shoe conveyer device
Exhaust gas purification device of internal combustion engine and method therefore
Methods for plasma cleaning an internal peripheral region of a plasma processing chamber
Cellulose fibre
Front face of a vehicle wheel
Conjugated polymer with built-in fluorescent centers and method of manufacture
Method and device for analying collision driving data
Cuff cutter apparatus
Setting of power amplifier control voltage