Measuring and testing – Frictional resistance – coefficient or characteristics
Patent
1994-06-17
1996-05-14
Raevis, R.
Measuring and testing
Frictional resistance, coefficient or characteristics
73 191, 73119R, G01M 1500
Patent
active
055157122
ABSTRACT:
An apparatus and a method for testing internal combustion engines are disclosed. In the preferred arrangement the apparatus includes a test module supporting an electric motor for rotating an engine mounted on an engine module at speeds throughout the engine's normal operating speeds range. The engine module is mobile and releasably connectable to the test module. A torque sensor and speed sensor are coupleable to the output shaft of an engine under test. The torque sensor is connected to a display for indicating friction power. An optical measuring device is provided for measuring displacement and velocity of moving engine parts. The apparatus also includes a system for measuring air entrainment in engine lubricating oil. An air flow meter is provided for measuring air flow into and out of the engine and providing air flow readings adjusted to standard conditions.
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