3675649

Information

• Patent Grant
• 3675649

• References
• Source

• Patent Number

  3,675,649

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1972
  52 years ago

• CPC

  • B64D13/02 - the air being pressurised
  • A62B7/14 - for high-altitude aircraft
  • B64D13/00 - Arrangements or adaptations of air-treatment apparatus for aircraft crew or passenger, or freight space; or structural parts of the aircarft
  • B64D13/04 - Automatic control of pressure
  • G05D16/2046 - the plurality of throttling means being arranged for the control of a single pressure from a plurality of converging pressures
  • H02K33/18 - with coil system moving upon intermittent or reversed energisation thereof by interaction with a fixed field system
  • B64D2700/62017 - Respiratory apparatus for high altitude

• US Classifications

  • 128 - Surgery