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It should also preferably be self regulating to eliminate any complicated sensor and temperature regulating systems. Furthermore, the heater should not exceed 50–60 °C (122–140 °F), as DEF begins to decompose at around 60 °C (140 °F).
The Series 92 engines were introduced in 1974. [8] Compared to the Series 71 engines they were derived from, the Series 92 featured a larger bore of 4.84025 ± 0.00125 in (122.942 ± 0.032 mm) and an identical stroke of 5 in (130 mm) for a nominal displacement per cylinder of 92 cu in (1,510 cc), from which the Series 92 derives its name.
The Cummins C Series engine is a straight-six diesel engine with a displacement of 8.3 litres (506.5 cu in).Cummins began producing the engines in 1985 as the 6C8.3 (this was co-designed with the Case Corporation, along with the smaller 6B5.9).
When it was introduced in 1987, the Series 60 was the first heavy-duty diesel engine with fully integrated electronic controls. [2] Detroit Diesel prescribed overhaul intervals of 500,000 miles (800,000 km), then raised that to 750,000 miles (1,210,000 km) after more experience was gained with the new engine.
MAP sensor data can be converted to air mass data by using a second variable coming from an IAT Sensor (intake air temperature sensor). This is called the speed-density method. Engine speed (RPM) is also used to determine where on a look up table to determine fuelling, hence speed-density (engine speed / air density).
The gauge and cold junction are usually calibrated at room temperature, 72 °F (22 °C). Because the thermocouple is calibrated for room temperature, the gauge readings will only be 100% accurate at that engine compartment temperature. If the engine compartment temperature is colder, the CHT temperature will display higher.
The ancestor of Detroit Diesel was the Winton Engine Company, founded by Alexander Winton in 1912; Winton Engine began producing diesel engines in fall 1913. After Charles F. Kettering purchased two Winton diesels for his yacht, General Motors acquired the company in 1930 along with Electro Motive Company, Winton's primary client.
The draught tube routes all blow-by gases back into the intake mixture and is usually located between the air filter and carburetor. Dry sump engines in some drag racing cars use scavenging pumps to extract oil and gases from the crankcase. [18] A separator removes the oil, then the gases are fed into the exhaust system via a venturi tube.