3544875

Information

• Patent Grant
• 3544875

• References
• Source

• Patent Number

  3,544,875

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1970
  54 years ago

• CPC

  • G05B19/4065 - Monitoring tool breakage, life or condition
  • H02H3/382 - involving phase comparison between current and voltage or between values derived from current and voltage
  • H02H7/08 - for dynamo-electric motors
  • H02H7/085 - against excessive load
  • G05B2219/37342 - Overload of motor, tool
  • G05B2219/37354 - Powerfactor, phase between voltage and current

• US Classifications

  • 318 - Electricity: motive power systems