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公开(公告)号：US10697364B2
公开(公告)日：2020-06-30
申请号：US16123762
申请日：2018-09-06
发明人： Suk Il Park , Jeong Hyun Na , Young Kyung Choi , Young Hwan Kim , Seung Il Moon , Jong Gyun Kim
IPC分类号： F02B47/02 , F02M25/022 , F02M25/028 , F02D19/12 , F02D41/00 , F02D41/20 , F02M25/025
摘要： A method for controlling an engine system, may include a water injection operation of injecting water into an intake system of an engine through a water injector of a water injection system in a first operating condition of the engine in which water injection is required, a compressed air injection operation of injecting compressed air into the intake system through a purge circuit of the water injection system in a second operating condition of the engine in which compressed air injection is required, and a water injection stop operation of stopping the water injection of the water injection system in a third operating condition of the engine in which water injection stop is required.
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公开(公告)号：US10746134B2
公开(公告)日：2020-08-18
申请号：US15825675
申请日：2017-11-29
发明人： Suk Il Park , Jeong Hyun Na , Young Kyung Choi , Young Hwan Kim , Seung Il Moon , Jong Gyun Kim
IPC分类号： F02M25/022 , F02M25/028 , F02D41/00 , F02D41/20
摘要： A water injection system for spraying water toward an intake system of an engine is disclosed. The water injection system includes a water collection circuit that has a water collection pipe for collecting water from the intake system and a drain valve installed on the water collection pipe. The water collection circuit collects water from the intake system of the engine by opening the drain valve when amount of stagnant water in the intake system reaches a predetermined threshold.
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