US Patent 7284533 Method of operating an engine brake
Patent 7284533 was granted and assigned to Jacobs Vehicle Systems on October, 2007 by the United States Patent and Trademark Office.
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Methods and apparatus for actuating an engine valve provided between an engine cylinder and an exhaust manifold to provide compression-release engine braking in combination with exhaust gas restriction and brake gas recirculation are disclosed. In a first embodiment of the present invention, the engine valve used to provide brake gas recirculation and compression-release braking may be maintained slightly open between the brake gas recirculation and compression-release events. In another embodiment of the present invention, the cam closing ramp for a main exhaust event may be extended to terminate near the beginning of a brake gas recirculation event to facilitate refilling a hydraulic valve actuation system used to in association with the exhaust valve.
US Patent 07284533 Method of operating an engine brake US Patent 7284533 Method of operating an engine brake
US Patent 07284533 Method of operating an engine brake
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