摘要 |
An exhaust valve apparatus for an internal combustion engine exhaust valve having a thermally prestressed bender actuator, which moves through a displacement in response to a command signal from a control unit. An actuator drive responsive to motion of the thermally prestressed bender actuator operates an exhaust valve actuator system, which, in turn, operates the exhaust valve. The thermally prestressed electroactive bender actuator and the exhaust valve actuator system operate the exhaust valve to effect engine compression braking.
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