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
Display apparatus
Housekeeping cart
Integrated circuit package system with bonding lands
Display module
Soybean cultivar CL0911444
Method and apparatus for providing very high throughput operation and capability signaling for wireless communications
  Randomly Featured Patents
Method and device for stabilization of pile goods such as pile carpet with a reinforcing back and pile goods
Suction device for sewing machines
High-performance programmable logic architecture
Nano-sized inorganic metal particles, preparation thereof, and application thereof in improving rubber properties
Method and system to determine the geographic location of a network user
Track and hold phase locked loop circuit
Method of inhibiting barium sulfate and strontium sulfate scale at low pH
Method of adding marker dye to nutritional product during enteral tube feeding
Stowage compartment with space-saving opening mechanism
Method of preparation of chrysoberyl and beryl single crystals