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
Outdoor fireplace
Navigation device and traffic line display method
Diffuser evaporator of active substance
Test arrangement for AC voltage testing of electrical high voltage components
Semiconductor wafer level package (WLP) and method of manufacture thereof
Overhead mobile charger system for reaching and charging electric vehicles parked in a pair of adjacent and spaced-part rows of side-by-side parking spaces
Woven papermaker fabric, in particular a forming fabric
  Randomly Featured Patents
Mounting support for a cycling shoe
Combined fish lure, bait holder and artificial bait
Method and apparatus for determining the amount of a substance emitted by diffusion from a surface such as a derm surface
IP telephone provisioning system and methods
Method and device for generating a two-phase gas-particle jet, in particular containing CO2 dry ice particles
Fuel injection system with common actuation device and engine using same
Induction heating apparatus with unsuitable load detecting circuit
Tire tread
Device for feeding objects into a waste bin of an analyzer