초록 ▼

An improved thermoelectric heat exchanger is provided which comprises a series of thermoelectric units sandwiched between two channels for the purpose of transferring heat from a liquid coolant flowing through one channel to a second fluid flowing through the other channel. Heat transfer fins are br

An improved thermoelectric heat exchanger is provided which comprises a series of thermoelectric units sandwiched between two channels for the purpose of transferring heat from a liquid coolant flowing through one channel to a second fluid flowing through the other channel. Heat transfer fins are brazed to the inner surfaces of both channels to provide improved heat transfer between the fluids and the channels. A thermally conductive grease or ductile metal between the thermoelectric units and the channels provides improved heat transfer at this interface. When an electric current is passed through the thermoelectric units, heat is transferred from the liquid coolant through the thermoelectric units to the second fluid via the Peltier Effect.

대표청구항 ▼

An improved thermoelectric heat exchanger of the type comprising at least one thermoelectric unit sandwiched between two channels for the purpose of transferring heat between a first fluid flowing through one of the channels and a second fluid flowing through the other channel, the at least one ther

An improved thermoelectric heat exchanger of the type comprising at least one thermoelectric unit sandwiched between two channels for the purpose of transferring heat between a first fluid flowing through one of the channels and a second fluid flowing through the other channel, the at least one thermoelectric unit having a plurality of thermoelectric elements between thermoelectric insulators forming sides of the thermoelectric unit, wherein the improvement comprises: heat transfer fins inside each of the two channels, the two channels orthogonal in cross section, a surface of a side of each channel interfacing the thermoelectric units being flat with a flatness deviation not exceeding 0.001 inch per inch length; thermal contact material between the sides of the thermoelectric unit and the two channels for providing effective thermal contact between the thermoelectric unit and the two channels; means for clamping together and evenly distributing a compressive load between the two channels and the thermoelectric unit; and insulation between the thermoelectric units; whereby heat is transferred more effectively between the first fluid flowing through one of the channels and the second fluid flowing through the other channel.