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212results about How to "Increased torque capacity" patented technology

Power boat drive system with multiple gearboxes

A boat drive system is provided for a power boat which includes an engine having a drive shaft, connected to a pair of propeller shafts. The drive system includes a primary gearbox and opposed outboard gearboxes. The primary gearbox includes a housing and a gear arrangement connected to the engine shaft and the outboard gearboxes, which are connected to the primary gearbox by a transverse shaft, include a housing and a gear arrangement connected to associated propeller shafts. A cooling system is provided including a cooling pad for each gearbox. A support system is provided for each outboard gearbox including a cradle connected to the bearing points on the hull. The engine includes an adapter plate attached to the primary gearbox for movement of the primary gearbox with the engine. In a modified drive system only one outboard gearbox is used in conjunction with a single engine. In another modified drive system a single engine and propeller are used in conjunction with a gearbox having a take-off shaft.
Owner:SUPERIOR GEAR BOX CO

Wet-type multi-plate friction engaging apparatus

The present invention provides a wet-type multi-plate friction engaging apparatus comprising a clutch portion including internally toothed plates and a piston adapted to apply an urging force for engaging the internally toothed plates and wherein load acting portions acting on the clutch portion are arranged on both sides of the clutch portion, and a contact area of the load acting portion through which the load acting portion is contacted with the clutch portion is located in a predetermined range between about 20% of a radial width of a friction engaging portion from a central position of the friction engaging portion in an outer diameter direction and about 20% of the radial width of the friction engaging portion in an inner diameter direction, and a radial width of the contact area is smaller than about 10% of the radial width of the friction engaging portion.
Owner:NSK WARNER
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