Drive units for effecting torque-transmission via a...

Details Drive units for effecting torque-transmission via a... Drive units for effecting torque-transmission via a...

F - Mech Eng,Light,Heat,Weapons

16

H

277/65, 74/78

F16H 25/00 (2006.01) F16J 15/52 (2006.01)

Patent

CA 1197708

-23- ABSTRACT OF THE INVENTION DRIVE UNITS FOR EFFECTING TORQUE- TRANSMISSION VIA A NON-ROTATING SEALING TUBE Drive units for effecting torque-transmission via a non-rotating sealing tube are provided for various fields of use where a positive sealing is required for a shaft that passes through an aperture (e.g. a propeller shaft transmission). The shaft 4, rotatable about an axis 5, is freely mounted in a bearing bush in an aperture 3 in a wall 2 of a housing 1 that can take many forms. The other end of the shaft 4 is located in a blind- bearing. An intermediate eccentric portion 6 is provided on the shaft, which passes through an eccentric aperture 8 in a main eccentric. A non- rotating sealing tube 7 passes through this aperture, surrounding the portion 6, and is sealed by diaphragms, bellows or flexible hoses extending from each end to the related end of the shaft, where a static seal is formed.

420119

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