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Operational Experience of the S.S.S. (Synchro-Self-Shifting) Clutch Particularly in Naval Propulsion Machinery FREE

[+] Author Affiliations
H. A. Clements

S.S.S. Gears Limited, Acton Town, London, England

Paper No. 72-GT-81, pp. V001T01A080; 11 pages
doi:10.1115/72-GT-81
From:
  • ASME 1972 International Gas Turbine and Fluids Engineering Conference and Products Show
  • ASME 1972 International Gas Turbine and Fluids Engineering Conference and Products Show
  • San Francisco, California, USA, March 26–30, 1972
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7981-8
  • Copyright © 1972 by ASME

abstract

The S.S.S. (Synchro-Self-Shifting) overrunning clutch with its pawl actuated helical sliding motion is well known, particularly in the gas turbine field. This paper reviews briefly the clutch operating principle, then outlines some of the service experience since 1958 in naval main propulsion drives in COSOS, COSAG, CODOG, CODAG and COGOG plant. Extra features are then described such as a lock-out control as is usually necessary for turbine applications to permit turbine testing, e.g., when in harbor; also a lock-in control as is essential when the clutch has to transmit power in both directions of rotation. Various clutch mounting respective advantages. The paper concludes with information regarding reliability during many years of service experience.

Copyright © 1972 by ASME
Topics: Machinery , Propulsion
This article is only available in the PDF format.

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