1919-01-01

HOT SURFACE OIL ENGINES FOR INDUSTRIAL PURPOSES 190036

THE oil engines described are for stationary or land installations and are of the “hot-surface” design with combustion at constant volume. Progress in the design is referred to and the thermal efficiency of modern designs is compared with that found in engines twenty-five years ago. Three important features are reviewed, namely: (a) Reliability, (b) first cost and (c) economy.
Improvements in the design of spraying devices, and other details of construction which have brought about greater reliability, are referred to. Dimensions of large two and four-cycle oil engines are given, and the first costs of each type are contrasted. The greater economy of the modern oil engine as compared with the earlier type is explained. Indicator cards, test data, speed, weights and other details of interest are enumerated concerning the De La Vergne SI type of oil engine, this being an example of the results obtained in a modern hot-surface-type oil engine.

SAE MOBILUS

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