F - Mech Eng,Light,Heat,Weapons – 01 – L
Patent
F - Mech Eng,Light,Heat,Weapons
01
L
F01L 1/38 (2006.01) F01L 1/46 (2006.01) F01M 9/10 (2006.01) F02D 41/30 (2006.01) F01L 31/22 (2006.01)
Patent
CA 2605311
An arrangement for an exhaust timing control by controlling the effective height of an exhaust port of a cylinder of a two-cycle internal combustion engine and comprising a control valve assembly arranged in a guide channel so as to be displaceable relative to the exhaust port and having an associated operating assembly for shifting thereof, the control valve assembly, in its advanced position, decreases the height of the exhaust port and, in its retracted position, exposes the entire cross-section of the exhaust port; a feedback control system continuously monitors the position of the control valve assembly within the guide channel to determine any malfunction or sticking of the between the control valve and the guide channel. A lubrication hose connected to the exhaust valve assembly introduces a lubricant to the control valve to reduce the likelihood of particle deposit and sticking.
Bernier Michel
Schuehmacher Bruno
Bombardier Recreational Products Inc.
Osler Hoskin & Harcourt Llp
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