3717178

Information

• Patent Grant
• 3717178

• References
• Source

• Patent Number

  3,717,178

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  51 years ago

• CPC

  • F16H61/18 - Preventing unintentional or unsafe shift
  • F16H61/0021 - Generation or control of line pressure
  • F16H61/16 - Inhibiting or initiating shift during unfavourable conditions
  • F16H59/70 - dependent on the ratio established
  • F16H61/0269 - characterised by low integration or small number of valves
  • F16H2059/088 - Fast forward-reverse-sequence mode
  • F16H2059/746 - Engine running state
  • Y10S251/902 - Springs employed as valves
  • Y10T137/87788 - With valve or movable deflector at junction
  • Y10T137/87837 - Spring bias

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation