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The Lysholm compressors is developed and is produced as a high-efficiency supercharger optimum for use in automotive engines. This paper describes a second-generation Lysholm compressor that has a self-contained lubrication system and a low inertia, and describes the systems connecting the engine and the Lysholm compressor.

High performance automotive engines are required to overcome the environmental problems and to achieve less fuel consumption. For the realization of such engines, the high efficiency Lysholm (screw type) compressor was developed and its mass-production has been started, which can produce high pressure boost for the engine in whole engine speed range. This compressor has achieved high volumetric efficiency and the adequate durability for automotive use has also been confirmed through various kinds of tests.