FUEL INJECTOR WITH KINETIC ENERGY TRANSFER ARMATURE
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United States of America Patent
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app pub date -
Jul 25, 2014
filing date -
Mar 14, 2013
priority date (Note) -
Abandoned
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Abstract
Injectors and solenoid valves incorporating actuators with kinetic energy transfer armatures. A fuel injector includes a longitudinally extending injector body and a valve supported in the injector body. The valve is configured for longitudinal movement within the injector body. An armature is connected to the valve and an impact member is disposed between the armature and a solenoid, and moveably connected to the armature. The solenoid is operative when energized to sequentially move the impact member and armature toward the solenoid, thereby actuating the valve. The fuel injector further includes a return magnet located adjacent the armature and opposite the solenoid, wherein the return magnet is operative to maintain the valve in a closed position when the solenoid is not energized.
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