Breathing gas temperature modification device

Details Breathing gas temperature modification device Breathing gas temperature modification device

1996-12-16

1998-06-09

Sollecito, John M.

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62 32, 165DIG9, F25B 2102

Patent

active

057619093

ABSTRACT:
A device is provided for modifying the temperature of a breathing or other as supplied through a conduit. A heat exchanger is mounted in-line with the conduit. A thermoelectric device has first and second thermally conductive plates separated by at least one thermoelectric couple. The first thermally conductive plate is in thermal contact with the heat exchanger. A phase change material is in thermal contact with the second thermally conductive plate. A voltage is applied to the thermoelectric couple(s) to maintain the first and second thermally conductive plates at different temperatures. The phase change material changes from a first phase to a second phase at a phase change temperature that is selected to be between the different temperatures of the first and second thermally conductive plates.

REFERENCES:
patent: 5115859 (1992-05-01), Roebelen, Jr. et al.
patent: 5193347 (1993-03-01), Apisdorf

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