2189475

Information

• Patent Grant
• 2189475

• References
• Source

• Patent Number

  2,189,475

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1940
  85 years ago

• CPC

  • F02D9/00 - Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
  • F02D2700/0235 - depending on the pressure of a gaseous or liquid medium
  • Y10S60/913 - Collection of reggio patents
  • Y10T137/7762 - Fluid pressure type

• US Classifications

  • 123 - Internal-combustion engines
  • 060 - Power plants
  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 261 - Gas and liquid contact apparatus