3274900

Information

• Patent Grant
• 3274900

• References
• Source

• Patent Number

  3,274,900

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1966
  58 years ago

• CPC

  • F04B9/115 - reciprocating movement of the pumping members being obtained by two single-acting liquid motors, each acting in one direction
  • F01L25/066 - piston or piston-rod being used as auxiliary valve
  • F04B47/08 - the motor being actuated by fluid
  • F04B53/128 - Annular disc valves

• US Classifications

  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 417 - Pumps