3741689

Information

• Patent Grant
• 3741689

• References
• Source

• Patent Number

  3,741,689

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1973
  51 years ago

• CPC

  • F01L23/00 - Valves controlled by impact by piston
  • F01B25/02 - Regulating or controlling by varying working-fluid admission or exhaust
  • F01L27/04 - Delayed-action controls
  • F04B9/135 - reciprocating movement of the pumping members being obtained by two single-acting elastic-fluid motors, each acting in one direction
  • F04B43/0736 - with two or more pumping chambers in parallel

• US Classifications

  • 417 - Pumps