Cylinder deactivation apparatus incorporating a distributed accumulator

A variable displacement internal combustion engine having a cylinder block and a cylinder head attached thereto. The variable displacement internal combustion engine includes at least one switching hydraulic lash adjuster. A lash adjuster oil feed passage is at least partially defined by one of the...

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Bibliographische Detailangaben
Hauptverfasser:	ALBERTSON WILLIAM C, FRINCKE DONN A, STABINSKY MARK
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	A variable displacement internal combustion engine having a cylinder block and a cylinder head attached thereto. The variable displacement internal combustion engine includes at least one switching hydraulic lash adjuster. A lash adjuster oil feed passage is at least partially defined by one of the cylinder block and the cylinder head. The lash adjuster oil feed passage is operable to communicate pressurized oil to the at least one switching hydraulic lash adjuster. A distributed accumulator is disposed within the lash adjuster oil feed passage and operates to attenuate oil pressure spikes within the lash adjuster oil feed passage. The variable displacement internal combustion engine also includes a solenoid-actuated hydraulic control valve to control the trigger of the at least one switching hydraulic lash adjuster, wherein a control passage transmits the pressurized oil to the solenoid-actuated hydraulic control valve.