2311939

Information

• Patent Grant
• 2311939

• References
• Source

• Patent Number

  2,311,939

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1943
  82 years ago

• CPC

  • F04B49/12 - by varying the length of stroke of the working members
  • F02M59/14 - of elastic-wall type
  • F02M59/30 - with variable-length-stroke pistons
  • F04B43/0045 - with a number of independent working chambers which are actuated successively by one mechanism
  • F02M2700/1323 - Controlled diaphragm type fuel pump
  • F02M2700/1376 - Fuel pump with control of the pump piston stroke

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices