Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Food safety printer
Control unit including a computing device and a peripheral module which are interconnected via a serial multiwire bus
Method for forming contact hole
Decentralized processing network
Bicyclic azaheterocyclic carboxamides
Apparatus and methods for providing efficient space-time structures for preambles, pilots and data for multi-input, multi-output communications systems
Workflow optimization for high throughput imaging environments
  Randomly Featured Patents
Postal code envelope printer
Variable timing to avoid turbocharger overspeed while engine braking under different atmospheric conditions
Treatment of contaminated agricultural run-off
Portable coordinate measurement machine with improved counter balance
Process for treatment of natural gas at a storage site
Transmitter and method having a low sampling frequency for digital to analog conversion
Flash memory system and method for monitoring the disturb effect on memory cell blocks due to high voltage conditions of other memory cell blocks
Sound system equalization
Book holder
Reticulated polyvinyl chloride plastisol foams