Marine transmission with synchronized engagement of a dog...

Details Marine transmission with synchronized engagement of a dog... Marine transmission with synchronized engagement of a dog...

2005-11-22

2005-11-22

Avila, Stephen (Department: 3617)

Marine propulsion

Screw propeller

Having transmission

Reexamination Certificate

active

06966805

ABSTRACT:
A marine transmission for connecting a driven shaft to a driving shaft is provided with first and second dog clutch members and first and second friction clutch members which are actuated, respectively, by first and second hydraulically actuated devices. Engagement of the friction clutch members with each other creates rotation in the driven shaft that approaches or equals the rotational speed of the driving shaft so that subsequent engagement of the first and second dog clutch members can be accomplished without significant relative rotational speed differences between the two dog clutch members.

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