3492946

Information

• Patent Grant
• 3492946

• References
• Source

• Patent Number

  3,492,946

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1970
  55 years ago

• CPC

  • F04B43/08 - having tubular flexible members
  • F04B5/00 - Machines or pumps with differential surface pistons
  • F04B5/02 - with double-acting pistons
  • F04B9/1115 - the movement of the pumping pistons in only one direction being obtained by a single-acting piston liquid motor
  • F04B49/12 - by varying the length of stroke of the working members
  • F04B53/102 - Disc valves
  • G01N1/10 - in the liquid or fluent state
  • G01N2001/205 - using a valve

• US Classifications

  • 073 - Measuring and testing
  • 092 - Expansible chamber devices
  • 417 - Pumps