3632233

Information

• Patent Grant
• 3632233

• References
• Source

• Patent Number

  3,632,233

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1972
  53 years ago

• CPC

  • F04B9/125 - reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
  • F01L23/00 - Valves controlled by impact by piston
  • F04B9/1222 - the return stroke being obtained by an elastic fluid under pressure
  • F04B53/1032 - Spring-actuated disc valves
  • F04B53/121 - the valve being an annular ring surrounding the piston

• US Classifications

  • 417 - Pumps