Clutch arrangement for a marine vessel drive

F - Mech Eng,Light,Heat,Weapons – 16 – D

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Details

74/134, 74/158,

F16D 47/06 (2006.01) B63H 23/30 (2006.01) F16D 23/10 (2006.01)

Patent

CA 1160476

Attorneys Docket No. 6957 CAN INVENTOR: HANS SIGG INVENTION: CLUTCH ARRANGEMENT FOR A MARINE VESSEL DRIVE ABSTRACT OF THE DISCLOSURE A normally driving or drive shaft is connected with a drive-side coupling half of a synchronizing tooth clutch as well as with a primary part of a fluid coupling, whereas a normally driven shaft is connected with a clutch half of the tooth clutch arranged at the power take-off side as well as with a secondary part of the fluid coupling. The tooth clutch has a clutch star which is axially displaceably guided by means of a first straight tooth system at the drive-side clutch half due to continuous meshing of the teeth, and can be engageable with a second straight tooth system provided at the power take-off side clutch half. Threadably connected with the second clutch half is a screw socket which is connected by a pawl blocking device with the clutch star and is conjointly axially displaceable therewith. The pawl blocking device engages and brings about a screw-like relative movement of the screw socket in relation to the power take-off side clutch half and which causes an engagement of the clutch star, when the rotational speed of the drive-side clutch half, during the normal forward rotational direction, is in the process of falling below the rotational speed of the power take-off side clutch half. This affords the advantage that for engaging the tooth clutch the rotational speed of the normally driving shaft need not drop below the rotational speed of the normally driven shaft. The time span, during which upon synchronization and engagement of the tooth clutch there is interrupted the power transmission, is therefore appreciably shortened. Additionally, there are not required any special measures or facilities for protecting the pawl blocking device. - 2 -

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