F02M47/027- Electrically actuated valves draining the chamber to release the closing pressure.having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure F02M47/02- Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e.F02M47/00- Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure.F02M- SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF.using pressure relief valves characterised by leakage flow in injectors F02D41/3872- Controlling the fuel pressure by controlling the flow out of the common rail, e.g.F02D41/3863- Controlling the fuel pressure by controlling the flow out of the common rail, e.g.F02D41/3836- Controlling the fuel pressure.F02D41/3809- Common rail control systems.F02D41/38- Controlling fuel injection of the high pressure type.F02D41/00- Electrical control of supply of combustible mixture or its constituents.F02- COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS.F- MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING.238000006011 modification reaction Methods 0.000 description 2.230000005540 biological transmission Effects 0.000 description 2.230000003247 decreasing Effects 0.000 claims description 6.238000002485 combustion reaction Methods 0.000 claims description 14.239000007924 injection Substances 0.000 claims abstract description 80.238000002347 injection Methods 0.000 claims abstract description 80.239000000446 fuel Substances 0.000 title claims abstract description 446.Assignors: BOSCH, RUSSELL HARMON, RICCI-OTTATI, GIULIO ANGEL Application granted granted Critical Publication of US6345606B1 publication Critical patent/US6345606B1/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Delphi Technologies Inc filed Critical Delphi Technologies Inc Priority to US09/548,223 priority Critical patent/US6345606B1/en Assigned to DELPHI TECHNOLOGIES, INC. Original Assignee Delphi Technologies Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US09/548,223 Inventor Giulio Angel Ricci-Ottati Russell Harmon Bosch Current Assignee (The listed assignees may be inaccurate. Google Patents Method for controlling fuel rail pressure using a piezoelectric actuated fuel injectorÄownload PDF Info Publication number US6345606B1 US6345606B1 US09/548,223 US54822300A US6345606B1 US 6345606 B1 US6345606 B1 US 6345606B1 US 54822300 A US54822300 A US 54822300A US 6345606 B1 US6345606 B1 US 6345606B1 Authority US United States Prior art keywords fuel pressure injector valve control valve Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US6345606B1 - Method for controlling fuel rail pressure using a piezoelectric actuated fuel injector US6345606B1 - Method for controlling fuel rail pressure using a piezoelectric actuated fuel injector
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