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US 7,303,451 B1Granted
Drive unit, particularly for boats
AssigneeR.T.N. S.R.L.
InventorAlberto Amici
Life of this patent
Estimating the term…
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AssigneeR.T.N. S.R.L.
InventorAlberto Amici
Estimating the term…
A drive unit comprising a transmission with two coaxial bevel gears (11, 12) fitted opposite one another on the same engine shaft (10), which engage a bevel gear (13) fitted to a shaft (14) perpendicular to the preceding one, a device designed to mesh the engine shaft with one or other of the bevel gears, constituted by clutches (20, 21) housed in the body of the bevel gears (12, 11) and controlled by a pressurised fluid, wherein pipes (24, 25), designed to convey the pressurised fluid, are formed in the engine shaft (10), wherein, in order to supply pressurised oil to the pipes (24, 25), an axial inlet pipe (34) is formed in the head of the engine shaft (10), which the axial pipe (34) feeds a distributor (35) constituted by a valve that slides on the engine shaft, which the slide valve (35) can move between two positions in which it places the input pipe (34) in communication with one of the pipes (24, 25).
Drive unit of the type comprising a transmission with two coaxial bevel gears (11, 12) fitted opposite one another on the same engine shaft (10), which engage a bevel gear (13) fitted to a shaft (14) perpendicular to the preceding one, and means designed to mesh said engine shaft with one or other of said bevel gears, constituted by clutches (20, 21) housed in the body of said bevel gears (12, 11) and controlled by a pressurised fluid, wherein pipes (24, 25), designed to convey said pressurised fluid, are formed in said engine shaft (10), wherein, in order to supply pressurised oil to said pipes (24, 25), an axial inlet pipe (34) is formed in the head of said engine shaft (10), which said axial pipe (34) feeds a distributor (35) constituted by a valve that slides on said engine shaft, which said slide valve (35) can move between two positions in which it places said input pipe (34) in communication with one of said pipes (24, 25).
Dependencies are inferred from the claim text.