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U.S. Department of Energy
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Gas turbine engine with stepped inlet compressor

Patent ·
OSTI ID:5693577

A gas turbine engine has an inlet compressor with a stepped centrifugal impeller and a double diffuser therefrom controlled by valve means and operative to supply air to combustion apparatus from when motive fluid is directed through a turbine to drive the compressor. The turbine may drive the load or a second power turbine in series with the compressor drive turbine can be included. The discharge from the double diffuser is controlled to vary the mass flow of the engine for operation at idling and under light loads and operable to be completely open for higher power output of the engine.

Assignee:
General Motors Corp
Patent Number(s):
US 4195473
OSTI ID:
5693577
Country of Publication:
United States
Language:
English