초록 ▼

A solenoid valve comprises a first coil, a plunger, a first and a second opening in the valve, and a latching mechanism placed in association with the first opening. The latching mechanism causes latching, with a predetermined latching force, of the plunger to the first opening, and energization of

A solenoid valve comprises a first coil, a plunger, a first and a second opening in the valve, and a latching mechanism placed in association with the first opening. The latching mechanism causes latching, with a predetermined latching force, of the plunger to the first opening, and energization of the first coil along a predetermined first polarity causes at least a reduction of the latching force. The plunger has a first end towards the first opening and a second end towards the second opening, and a magnetic field extensor extends a first pole of the magnetic field produced by the first coil to the first end of the plunger. The extensor comprises a hollow cylindrical ferrous member terminated by a ferrous endpiece and is movable, with the plunger, relative to the first opening.

대표청구항 ▼

[What is claimed is:] [1.]the plunger having a first end towards said first opening and a second end towards said second opening, the first coil being remote from said first end and a magnetic field extensor being provided to extend a first pole of the magnetic field produced by the first coil to sa

[What is claimed is:] [1.]the plunger having a first end towards said first opening and a second end towards said second opening, the first coil being remote from said first end and a magnetic field extensor being provided to extend a first pole of the magnetic field produced by the first coil to said first end of the plunger, the magnetic field extensor comprising a ferrous material member terminated by a ferrous endpiece and being movable with respect to said first opening.