SOLENOID FUEL INJECTION VALVE

• Main Authors: NAMAIZAWA YASUO, ISHIKAWA TORU, HAYATANI MASAHIKO, SEKINE ATSUSHI, MAEKAWA NORIYUKI, ABE MOTOYUKI
• Format: Patent
• Language: English
• Published: 30.08.2007
• Subjects: ACTUATING-FLOATS; BASIC ELECTRIC ELEMENTS; BLASTING; COCKS; COMBUSTION ENGINES; DEVICES FOR VENTING OR AERATING; ELECTRICITY; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INDUCTANCES; LIGHTING; MAGNETS; MECHANICAL ENGINEERING; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; TAPS; THERMAL INSULATION IN GENERAL; TRANSFORMERS; VALVES; WEAPONS

PROBLEM TO BE SOLVED: To facilitate precise control of a fuel injection quantity, in an injector used for an internal combustion engine. SOLUTION: This solenoid fuel injection valve has a valve element 103 for opening a fuel passage by separating from a valve seat by closing the fuel passage by abutting on the valve seat, a coil 105 and a magnetic core 101 arranged as a driving means of the valve element 103, a moving piece 102 held in a relatively displaceable state to the valve element 103, a first energizing means 106 energizing the valve element 103 in the inverse direction of the direction of driving force, a second energizing means 108 energizing the moving piece 102 in the direction of the driving force by energizing force smaller than energizing force by the first energizing means 106, and a regulating means for regulating relative displacement in the direction of the driving force to the valve element 103 of the moving piece 102. COPYRIGHT: (C)2007,JPO&INPIT