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The wax is solid at low temperatures, and as the engine heats up, the wax melts and expands. The sealed chamber operates a rod which opens a valve when the operating temperature is exceeded. The operating temperature is fixed, but is determined by the specific composition of the wax, so thermostats of this type are available to maintain ...
Waterless coolant is a glycol-based liquid substance that does not contain water. Its boiling point of 191 °C (375 °F) is higher than that of water-based coolants and it resists the formation of corrosion . [ 1 ]
winter blend — the gas station has blended the No.2 diesel with No.1(kerosene) by some percentage. winterized diesel — the No.2 diesel has been treated with additives by the diesel supplier. As the treatment with additives (1:40000 [ 40 ] ) is a cheaper way to enhance No.2 fuel in winter, most stations offer winterized diesel in cold ...
The engine temperature on modern cars is primarily controlled by a wax-pellet type of thermostat, a valve that opens once the engine has reached its optimum operating temperature. When the engine is cold, the thermostat is closed except for a small bypass flow so that the thermostat experiences changes to the coolant temperature as the engine ...
Dry lubricants or solid lubricants are materials that, despite being in the solid phase, are able to reduce friction between two surfaces sliding against each other without the need for a liquid oil medium. [1] The two main dry lubricants are graphite and molybdenum disulfide. They offer lubrication at temperatures higher than liquid and oil ...
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Deutz also manufactures oil-cooled engines. These can provide the same power as other engine designs, but in a smaller package, since they do not require the additional space to house a radiator. [citation needed] Deutz also makes engines with a tandem oil cooler/radiator configuration; these also do not require antifreeze or coolant agents.