| 摘要 |
A hybrid supercharger system for internal combustion engines. A hydraulic turbine drive driven by hydraulic fluid is mounted on the same shaft with an exhaust driven turbine, with both turbines driving a compressor providing compressed air to the engine. Engine oil is utilized to lubricate at least one bearing located on the exhaust portion of the shaft and the hydraulic drive fluid is used to lubricate at least one bearing on the hydraulic turbine portion of the shaft. In a preferred embodiment four bearings are provided, two of which are lubricated by engine oil and two of which are lubricated with hydraulic turbine drive fluid.
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