3641878

Information

• Patent Grant
• 3641878

• References
• Source

• Patent Number

  3,641,878

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • F01L23/00 - Valves controlled by impact by piston
  • F01B7/18 - with differential piston
  • F01B11/00 - Reciprocating-piston machines or engines without rotary main shaft
  • F04B5/00 - Machines or pumps with differential surface pistons
  • F04B9/127 - rectilinear movement of the pumping member in the working direction being obtained by a single-acting elastic-fluid motor

• US Classifications

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