3331330

Information

• Patent Grant
• 3331330

• References
• Source

• Patent Number

  3,331,330

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1967
  57 years ago

• CPC

  • F04B9/115 - reciprocating movement of the pumping members being obtained by two single-acting liquid motors, each acting in one direction
  • F01L23/00 - Valves controlled by impact by piston
  • F01L27/04 - Delayed-action controls
  • F04B53/14 - Pistons, piston-rods or piston-rod connections
  • F16K31/1225 - with a plurality of pistons

• US Classifications

  • 417 - Pumps
  • 091 - Motors: expansible chamber type