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Improvements lubrification(2011)
Improvements (2009)
Patents 1994
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Claims

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Paragraph 4 : Variably timed transmission (part 2)

Drive shaft [17] and sleeve [28] are advantageously held concentrically and axially with respect to each other by means of a bearing housing [22] rigidly connected to shaft [17].

The bearing housing [22] is provided with an axial and radial thrust bearing [23], so as to permit free rotation of shaft [17] independently of sleeve [28].

The bearing housing [22] is an integral part of shaft [17] at the boundary of the straight splines of the abuting ends which serve to couple shaft [17] to shaft [18] of the short-stroke crankshaft [5].

The bearing housing [22] and sleeve [28] are located inside the engine unit [1].

The bearing housing [22] is shaped as a disk which also serves as a flywheel.

The periphery of said flywheel is regularly pierced with holes [24], so as to permit a ring [25] to be bolted onto the surface of the flywheel opposite the side where the boundary of the straight splines is located.

The mounting of ring [25] on the flywheel of the bearing housing [22] serves to form a recess, so as to permit the mounting of the outer ring [26] of the axial and radial thrust bearing [23].

The inner ring [27] of bearing [23] is mounted on the sleeve [28] against a ring-shaped spacer [29] encircling sleeve [28].

The spacer [29] serves to take up the space between the inner ring [27] of bearing [23] and the inner ring of the angular contact bearing [16], the latter being held axially against a shoulder of sleeve [28] through the securing of all above parts, by means of a single nut [30] on sleeve [28].

 

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Claims

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