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High Speed Power Shifting Transmission for Gas Turbines
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English
Abstract
A 300 hp, four speed, forward and reverse, power shifting test box has been designed, fabricated, and tested by the Eaton Yale & Towne Research Center at a rated input speed of 30,000 rpm. The concept incorporates a torque limiting clutch on the input shaft to limit inertia shock loads during shifting, and unique expanding sleeve clutches for changing gear ratios. Expanding clutch material and design were developed through extensive bench testing and computer investigation. A 30,000 rpm high pressure, controlled leakage rotating seal was developed for the input shaft. Limited experience with the vehicle installation is also discussed.
Authors
Citation
Fergle, D., "High Speed Power Shifting Transmission for Gas Turbines," SAE Technical Paper 670727, 1967, https://doi.org/10.4271/670727.Also In
References
- Kronogard S. O. “Turbine Transmission Systems for Automotive and Industrial Tractor Applications Paper No. 660762 presented at SAE Powerplant and Transportation Meeting October 1966
- Newcomb T. P. “Transient Temperatures in Brake Drums and Linings Proc. Inst. Mich. Eng. (A. D.) 7 1958–59
- Amann C. A. “Handling Accessory Loads on a Free Turbine Engine.” SAE Trans 73 1965
- Fergle D. J. “High Speed Clutch and Gearbox Program.” December 17 1965