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  2. Oil pressure - Wikipedia

    en.wikipedia.org/wiki/Oil_pressure

    Murphy oil pressure gauges with switches that activate on low pressure. Oil pressure is an important factor in the longevity of most internal combustion engines. [1] With a forced lubrication system (invented by Frederick Lanchester), oil is picked up by a positive displacement oil pump and forced through oil galleries (passageways) into bearings, such as the main bearings, big end bearings ...

  3. Pressure switch - Wikipedia

    en.wikipedia.org/wiki/Pressure_switch

    Hydraulic pressure switches have various uses in automobiles, for example, to warn if the engine's oil pressure falls below a safe level, or to control automatic transmission torque converter lock-up. Prior to the 1960s, a pressure switch was used in the hydraulic braking circuit to control power to the brake lights; more recent automobiles use ...

  4. SBB Ae 4/8 - Wikipedia

    en.wikipedia.org/wiki/SBB_Ae_4/8

    The locomotive's total weight of 127 t (125 long tons; 140 short tons) – coincidentally, the same as the later Ae 4/7 – led to an average weight of 18.6 t (18.3 long tons; 20.5 short tons) per axle, within the specified 20 t (20 long tons; 22 short tons) limit. The axle load was not balanced, though; side 1 had significantly higher axle loads.

  5. Not-To-Exceed - Wikipedia

    en.wikipedia.org/wiki/Not-To-Exceed

    For 2005 model year heavy-duty engines, the NTE emission cap for NMHC plus NOx is 1.25 times 2.5 grams per brake horsepower-hour, or 3.125 grams per brake horsepower-hour. The basic NTE control area for diesel engines has three basic boundaries on the engine's torque and speed map.

  6. GE Dash 9 Series - Wikipedia

    en.wikipedia.org/wiki/GE_Dash_9_Series

    They were built under the same premise that a lower power rating than the 4,400 hp (3,300 kW) rating of the Dash 9-44CW (or C44-9W) (see below) would prolong the life of the engine, and use less fuel. However, there is a manual override switch that allows the engineer to run the engine with all 4,400 hp (3,300 kW) if necessary.

  7. Deadweight tester - Wikipedia

    en.wikipedia.org/wiki/Deadweight_tester

    A dead weight tester (DWT) is a calibration standard method that uses a piston cylinder on which a load is placed to make an equilibrium with an applied pressure underneath the piston. Deadweight testers are secondary standards which means that the pressure measured by a deadweight tester is defined through other quantities: length, mass and time.

  8. Wärtsilä-Sulzer RTA96-C - Wikipedia

    en.wikipedia.org/wiki/Wärtsilä-Sulzer_RTA96-C

    The Wärtsilä RT-flex96C is a two-stroke turbocharged low-speed diesel engine designed by the Finnish manufacturer Wärtsilä. It is designed for large container ships that run on heavy fuel oil . Its largest 14-cylinder version is 13.5 meters high, 26.59 meters long, weighs over 2,300 tonnes , and produces 80.08 megawatts .

  9. Commer TS3 - Wikipedia

    en.wikipedia.org/wiki/Commer_TS3

    Probably the only engine using a similar arrangement was the pre-war Sulzer ZG9. [9] This was an opposed-piston engine with a choice of two, three and four cylinders (2ZG9, 3ZG9, 4ZG9); the two-cylinder version developed 120 bhp. Its layout was very similar to the Commer engines, but it used a piston scavenge pump rather than a Roots blower.