3568022

Information

• Patent Grant
• 3568022

• References
• Source

• Patent Number

  3,568,022

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1971
  53 years ago

• CPC

  • H02P3/18 - for stopping or slowing an ac motor
  • B60T8/172 - Determining control parameters used in the regulation
  • B60T8/17613 - based on analogue circuits or digital circuits comprised of discrete electronic elements
  • G06F7/605 - Additive or subtractive mixing of two pulse rates into one
  • H02P23/07 - Polyphase or monophase asynchronous induction motors
  • H02P23/08 - Controlling based on slip frequency
  • H03K5/00006 - Changing the frequency
  • H03K5/22 - Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics
  • H03K5/24 - the characteristic being amplitude
  • H03K21/02 - Input circuits
  • C10M2203/10 - Petroleum or coal fractions
  • C10M2205/06 - containing conjugated dienes
  • C10M2215/04 - having amino groups bound to acyclic or cycloaliphatic carbon atoms
  • C10M2215/086 - Imides
  • C10M2215/26 - Amines
  • C10M2215/28 - Amides Imides
  • C10M2217/046 - Polyamines
  • C10M2217/06 - Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
  • C10M2219/044 - Sulfonic acids, Derivatives thereof
  • C10M2219/046 - Overbasedsulfonic acid salts
  • C10M2223/045 - Metal containing thio derivatives
  • C10N2210/02 - Group II
  • C10N2240/06 - Precision machinery, instruments
  • C10N2240/08 - Hydraulic fluids

• US Classifications

  • 318 - Electricity: motive power systems