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The solenoid valve has a fuel supply conduit, and a ball shutter controlled by an electromagnet and cooperating with a conical seat in the conduit. The conduit has fuel filtration means having a cylindrical wall with a number of openings for preventing particles of dirt from infiltrating between the

The solenoid valve has a fuel supply conduit, and a ball shutter controlled by an electromagnet and cooperating with a conical seat in the conduit. The conduit has fuel filtration means having a cylindrical wall with a number of openings for preventing particles of dirt from infiltrating between the seat and the shutter, without producing an excessive fall in fuel pressure. The thickness of the cylindrical wall is less than 1 mm, and the width of the openings is less than 0.25 mm.

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The solenoid valve has a fuel supply conduit, and a ball shutter controlled by an electromagnet and cooperating with a conical seat in the conduit. The conduit has fuel filtration means having a cylindrical wall with a number of openings for preventing particles of dirt from infiltrating between the

The solenoid valve has a fuel supply conduit, and a ball shutter controlled by an electromagnet and cooperating with a conical seat in the conduit. The conduit has fuel filtration means having a cylindrical wall with a number of openings for preventing particles of dirt from infiltrating between the seat and the shutter, without producing an excessive fall in fuel pressure. The thickness of the cylindrical wall is less than 1 mm, and the width of the openings is less than 0.25 mm. nd a second biasing member attached to said lever, said biasing member engaged when said throttle valve is in said closed position to bias said throttle valve toward said open position to a limp home position such that the engine provides sufficient power to maneuver the motor vehicle. 13. The assembly of claim 12, further including a drive to rotate said lever between said open and closed positions. 14. The assembly of claim 13, wherein said second biasing member is a circular spring, said circular spring biases said throttle valve from said closed position to said limp home position upon disablement of said drive.