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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.
A metal ball and contact wires can directly replace it, but may require additional circuitry to eliminate switch bounce. Low-precision thermostats use a bimetal strip and a switch contact. Precision thermostats use a thermistor or silicon temperature sensor. Low-cost accelerometers replace the mercury tilt switch in precision applications.
A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. A thermostat can often be the main control unit for a heating or cooling system, in applications ranging from ambient air control to automotive coolant control.
The thermostat is therefore constantly moving throughout its range, responding to changes in vehicle operating load, speed, and external temperature, to keep the engine at its optimum operating temperature. On vintage cars you may find a bellows type thermostat, which has corrugated bellows containing a volatile liquid such as alcohol or acetone.
1963–1969 – Suzuki FE/FE2 engine – air-cooled 359 cc, FF applications; 1972–1976 – Suzuki L50 engine – water-cooled 359 cc; 1974–1976 ...
When the engine is cool or even at normal operating temperature, the fan clutch partially disengages the engine's mechanically driven radiator cooling fan, generally located at the front of the water pump and driven by a belt and pulley connected to the engine's crankshaft.
Harvesting that heat energy using a thermoelectric generator can increase the fuel efficiency of the car. Thermoelectric generators have been investigated to replace the alternators in cars demonstrating a 3.45% reduction in fuel consumption. [33] Projections for future improvements are up to a 10% increase in mileage for hybrid vehicles. [34]
The M13AA is an automotive engine manufactured by Suzuki Motor Corporation. The M13AA is a 1.3 L (1,328 cc) inline-four cylinder, 16 valve VVT engine used in the Suzuki Jimny, Suzuki Swift & Suzuki Ignis from 2005. 1.3 M13AA 1.3 L (1,328 cc) DOHC 16v MPFI VVT (Jimny) Bore x Stroke 78 mm × 69.5 mm (3.07 in × 2.74 in) Compression Ratio 9.5:1