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Diagram of a bimetallic strip showing how the difference in thermal expansion in the two metals leads to a much larger sideways displacement of the strip A bimetallic coil from a thermostat reacts to the heat from a lighter, by uncoiling and then coiling back up when the lighter is removed.
Working on the principle of a bimetallic strip, it consists of a very slender strip of platinum [1] soldered to a similar strip of silver, with a slip of gold soldered in between. [2] Breguet's thermometer diagram. The strips of soldered metals are curved into a helix (a). The upper extremity of the helix is fastened to a metallic support (c ...
A bimetal bar is usually made of brass and iron. Shows the principle of non-heated (left) and heated (right) bimetal. Bimetallic strips and disks, which convert a temperature change into mechanical displacement, [1] are the most recognized bimetallic objects due to their name. However, there are other common bimetallic objects.
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Bimetallic strip wound into a coil. The center of the coil is attached to a rotating post attached to lever (1). As the coil gets colder the moving end — carrying (4) — moves clockwise. Flexible wire. The left side is connected via one wire of a pair to the heater control valve. Moving contact attached to the bimetal coil.
Bimetallic strip-thermostat working principle schematic. working principle of bimetallic strip. Bimetal coil reacts to lighter. Thermistors. They can be NTC or PTC ...
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Both the bimetallic strip and the "burner" begin to cool. Eventually the heated bimetallic strip will no longer have enough force to overcome the force from the cam follower and the unheated bimetallic strip. As the contacts approach each other the permanent magnet attracts the contact beam rapidly closing the contacts and the cycle repeats. [4]