3757809

Information

• Patent Grant
• 3757809

• References
• Source

• Patent Number

  3,757,809

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1973
  51 years ago

• CPC

  • G05D13/00 - Control of linear speed Control of angular speed Control of acceleration or deceleration
  • F16H61/00 - Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
  • F16H2710/20 - the control being hydraulic or pneumatic
  • Y10T137/0971 - Speed responsive valve control
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device

• US Classifications

  • 137 - Fluid handling
  • 091 - Motors: expansible chamber type