3898893

Information

• Patent Grant
• 3898893

• References
• Source

• Patent Number

  3,898,893

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1975
  50 years ago

• CPC

  • F16H63/502 - for smoothing gear shifts
  • B60W10/08 - including control of electric propulsion units
  • B60W10/115 - with planetary gears
  • B60W30/19 - Improvement of gear change
  • F16H61/0437 - by using electrical signals
  • H02P7/2825 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • B60W2540/16 - Ratio selector position
  • B60W2710/021 - Clutch engagement state
  • B60W2710/0644 - Engine speed
  • F16H61/0403 - Synchronisation before shifting
  • F16H61/061 - using electric control means
  • F16H2059/6807 - Status of gear-change operation
  • Y02T10/7258 - Optimisation of vehicle performance
  • Y10T74/19284 - Meshing assisters
  • Y10T477/33 - with transmission control
  • Y10T477/677 - Diminution during transmission change
  • Y10T477/679 - Responsive to transmission output condition

• US Classifications

  • 477 - Interrelated power delivery controls, including engine control
  • 074 - Machine element or mechanism