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
Power semiconductor module
Transmission apparatus, receiving apparatus, method, and storage medium
Dental fillers including a phosphorus containing surface treatment, and compositions and methods thereof
ESD protection circuit and ESD protection device thereof
Autonomous primary-mirror synchronized reset
Scanned image projection system employing intermediate image plane
  Randomly Featured Patents
Flexure isolated shear web load cell
Model submarine
Energy director for ultrasonic welding and joint produced thereby
Wind deflector for motor vehicles
Dual reflector, rechargeable, and crash-secured flashlights
Planar variable power divider
Organizer for tools
Method of manufacturing semiconductor device
Surgical instrument for applying metal staples to organs and tissues and for simultaneous division thereof
Novel cyclosporins