2792785

Information

• Patent Grant
• 2792785

• References
• Source

• Patent Number

  2,792,785

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1957
  68 years ago

• CPC

  • F01L23/00 - Valves controlled by impact by piston
  • F04B9/1207 - using a source of partial vacuum or sub-atmospheric pressure
  • F04B9/135 - reciprocating movement of the pumping members being obtained by two single-acting elastic-fluid motors, each acting in one direction

• US Classifications

  • 417 - Pumps
  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices