Incubator temperature control system and method of operation

• US 3,338,233 A
• Filed: 12/28/1966
• Issued: 08/29/1967
• Est. Priority Date: 12/28/1966
• Status: Expired due to Term

• Current Assignee: Christian B. Andreasen, Grosholz, James R.
• Original Assignee: Christian B. Andreasen, Grosholz, James R.
• Inventors: Grosholz, James R., Andreasen, Christian B.
• Application Number:
  US04/605,274
• Time in Patent Office: 244 Days
• US Class Current: 600/22
• CPC Class Codes: A61G 11/00 Baby-incubators; Couveuses
• CPC Class Codes: G05D 23/1928 sensing the temperature of one space

Claims

5. IN AN INCUBATOR HAVING AN AIR CIRCULATION SYSTEM AND A HEATER ELEMENT FOR HEATING THE AIR IN THE INCUBATOR, A CONTROL SYSTEM FOR THE HEATER ELEMENT COMPRISING A HEATER CONTROL CIRCUIT INCORPORATING A LIMITING THERMOSTAT FOR CONTROLLING THE HEATER ELEMENT, THE LIMITING THERMOSTAT BEING EXPOSED TO THE AIR IN THE CIRCULATION SYSTEM OF THE INCUBATOR AND BEING RESPONSIVE TO AIR TEMPERATURE TO ESTABLISH AN AIR TEMPERATURE OF THE OCCUPANT FOR VICE RESPONSIVE TO THE TEMPERATURE OF THE OCCUPANT FOR CONTROLLING THE HEATING, AN ADJUSTABLE DEVICE RESPONSIVE TO THE INCUBATOR AIR TEMPERATURE AND PROVIDING FOR ADJUSTABLY LIMITING THE AIR TEMPERATURE TO A RANGE BELOW THE TEMPERATURE LIMIT PROVIDED BY THE LIMITING THERMOSTAT, CONNECTORS PROVIDING FOR SERIES CONNECTION OF THE LIMITING THERMOSTAT AND SAID DEVICES WITH THE HEATER ELEMENT, AND SWITCH MEANS PROVIDING FOR BY-PASSING THE SAID DEVICE RESPONSIVE TO THE BODY TEMPERATURE OF THE OCCUPANT.