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The South Wind Heater was invented by Canadian Harry J. McCollum, [1] who demonstrated his invention to the Stewart-Warner company in 1934. Production at the Chicago firm began a short time later, [ 2 ] with more than 3 million units installed in automobiles, aircraft, and military vehicles by 1948. [ 1 ]
Webasto SE is a company headquartered in Stockdorf, Germany, which makes sunroofs, electric-car chargers and air-conditioning systems. [1] Holger Engelmann is the CEO of the company. History
The two top thermocouple junctions are at temperature T 1 while the two bottom thermocouple junctions are at temperature T 2. The output voltage from the thermopile, ΔV , is directly proportional to the temperature differential, ΔT or T 1 - T 2 , across the thermal resistance layer and number of thermocouple junction pairs.
A thermocouple (the right most tube) inside the burner assembly of a water heater Thermocouple connection in gas appliances. The end ball (contact) on the left is insulated from the fitting by an insulating washer. The thermocouple line consists of copper wire, insulator and outer metal (usually copper) sheath which is also used as ground. [33]
Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.
Thermoelectric coolers are trivially reversible, in that they can be used as heaters by simply reversing the current. Unlike ordinary resistive electrical heating ( Joule heating ) that varies with the square of current, the thermoelectric heating effect is linear in current (at least for small currents) but requires a cold sink to replenish ...
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