SOLENOID TYPE FUEL INJECTION VALVE
PURPOSE:To improve the bound characteristic of fuel injection quantity specially in a low injection quantity region regarding a solenoid type fuel injection valve. CONSTITUTION:As the structure of a movable valve 9 in a fuel injection valve 1, it is so formed that a spring 11 is received by the end...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To improve the bound characteristic of fuel injection quantity specially in a low injection quantity region regarding a solenoid type fuel injection valve. CONSTITUTION:As the structure of a movable valve 9 in a fuel injection valve 1, it is so formed that a spring 11 is received by the end face of a ring 8 fitted integrally with a plunger rod 7. The spring 11 is thereby prevented from coming in contact with the inner face of the ring 8, so that the target minimum injection quantity is satisfied and the repeatability of injection quantity in a low pulse region is improved in a fuel injection quantity characteristic. |
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