2047540

Information

• Patent Grant
• 2047540

• References
• Source

• Patent Number

  2,047,540

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1936
  88 years ago

• CPC

  • F04B43/107 - the fluid being actuated directly by a piston
  • F01L23/00 - Valves controlled by impact by piston
  • F04B9/133 - reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor
  • F04B9/1372 - the movement of each pump piston in the two directions is obtained by a double-acting piston fluid motor
  • F04B43/086 - with two or more tubular flexible members in parallel

• US Classifications

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