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US Patent 9863372 Control apparatus of premixed charge compression ignition engine

Patent 9863372 was granted and assigned to Mazda Motor Corporation on January, 2018 by the United States Patent and Trademark Office.

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Patent Applicant
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Current Assignee
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9863372
Date of Patent
January 9, 2018
Patent Application Number
15212717
Date Filed
July 18, 2016
Patent Citations Received
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US Patent 12006864 Energy transfer machine
3
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US Patent 11761377 Energy transfer machine
Patent Primary Examiner
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Hieu T Vo
Patent abstract

A control apparatus of a premixed charge compression ignition engine that includes an engine body having a cylinder and intake and exhaust passages, and causes a mixture gas to self-ignite inside the cylinder is provided. The apparatus includes a fuel injector for injecting fuel into the cylinder, a water injector for injecting supercritical water or subcritical water into the cylinder, an EGR passage for communicating the exhaust and intake passages and recirculating, as EGR gas, a portion of an exhaust gas discharged from the cylinder to the intake passage, an EGR valve for adjusting an EGR gas recirculation amount, and a controller. The controller includes an engine load determining module for receiving a parameter and determining whether an engine operating state is a first state where the engine load is below a switch load or a second state where the engine load is the switch load or above.

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