3177898

Information

• Patent Grant
• 3177898

• References
• Source

• Patent Number

  3,177,898

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1965
  60 years ago

• CPC

  • F16K7/18 - with diaphragm secured at one side only
  • A47L15/46 - Devices for the automatic control of the different phases of cleaning; Controlling devices
  • D06F33/10 - substantially pneumatically
  • G05B19/44 - pneumatic
  • G05B19/46 - hydraulic
  • H01H43/124 - using a disc
  • H01H43/24 - with timing of actuation of contacts due to a non-rotatable moving part
  • Y10S251/901 - Curtain type valves
  • Y10T137/86389 - Programmer or timer
  • Y10T137/86622 - Motor-operated

• US Classifications

  • 137 - Fluid handling
  • 091 - Motors: expansible chamber type
  • 251 - Valves and valve actuation