Hydraulic system purging via position synchronized solenoid pulsing
A variable displacement internal combustion engine control system includes an engine having cylinders, each having an intake valve and an exhaust valve. An engine control module determines when to activate and deactivate the cylinders, and when to purge gas entrained in an oil system. A solenoid-act...
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Format | Patent |
Language | Chinese English |
Published |
11.10.2019
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Abstract | A variable displacement internal combustion engine control system includes an engine having cylinders, each having an intake valve and an exhaust valve. An engine control module determines when to activate and deactivate the cylinders, and when to purge gas entrained in an oil system. A solenoid-actuated hydraulic control valve communicates with the engine control module to deactivate and activateindividual cylinders. An air accumulation estimation program running multiple times per second for each of the cylinders identifies an approximate gas volume accumulating in a control port of the solenoid-actuated hydraulic control valve and if the gas volume has reached a predetermined threshold allows a purge pulse to be issued. The purge pulse initiates at a purge pulse initiation point duringone of intake valve lift, exhaust valve lift, and when valve lifters of both the intake and the exhaust valve are on a base circle providing zero lift.
可变排量内燃机控制系统包括带有汽缸的发动机,每个汽缸都具有进气门和排气门。发动机控制模块确定何时启动和停用汽缸,以及何时清除夹杂在油系统中的气体。 |
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AbstractList | A variable displacement internal combustion engine control system includes an engine having cylinders, each having an intake valve and an exhaust valve. An engine control module determines when to activate and deactivate the cylinders, and when to purge gas entrained in an oil system. A solenoid-actuated hydraulic control valve communicates with the engine control module to deactivate and activateindividual cylinders. An air accumulation estimation program running multiple times per second for each of the cylinders identifies an approximate gas volume accumulating in a control port of the solenoid-actuated hydraulic control valve and if the gas volume has reached a predetermined threshold allows a purge pulse to be issued. The purge pulse initiates at a purge pulse initiation point duringone of intake valve lift, exhaust valve lift, and when valve lifters of both the intake and the exhaust valve are on a base circle providing zero lift.
可变排量内燃机控制系统包括带有汽缸的发动机,每个汽缸都具有进气门和排气门。发动机控制模块确定何时启动和停用汽缸,以及何时清除夹杂在油系统中的气体。 |
Author | RAYL JUN ALLEN B |
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DocumentTitleAlternate | 通过位置同步电磁脉冲进行液压系统清除 |
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Notes | Application Number: CN201910181762 |
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Snippet | A variable displacement internal combustion engine control system includes an engine having cylinders, each having an intake valve and an exhaust valve. An... |
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SubjectTerms | BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING WEAPONS |
Title | Hydraulic system purging via position synchronized solenoid pulsing |
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