Electromagnetic fuel injection valve
1. Field of the Invention A fuel injection port formed in a seat is opened and closed by a movable valve supported by a flat spring The movable valve is biased by an elastic force of a coil spring in a direction that closes the fuel injection port When electric power is supplied to a solenoid coil t...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 1. Field of the Invention
A fuel injection port formed in a seat is opened and closed by a movable valve supported by a flat spring The movable valve is biased by an elastic force of a coil spring in a direction that closes the fuel injection port When electric power is supplied to a solenoid coil the movable valve is moved to a direction that opens the fuel injection port as a result of an electromagnetic attraction force between a magnetic circuit M for generating an electromagnetic attraction force and the movable valve Air gaps GGand Gare formed within the fuel injection port and permeance ratios between the air gaps may be set to optimal values. |
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