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US 2004/0169989 A1Published application
Electro magnetically-operated device, and a method of operating the same
AssigneeMagnasource, LLC
InventorNikolai Babich
Life of this patent
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AssigneeMagnasource, LLC
InventorNikolai Babich
Estimating the term…
An electromagnetically operated device has an electromagnet including a magnetic guide having a movable armature and at least one air gap, a magnetizing coil provided on the magnetic guide, the magnetic guide having at least a part formed as an insert of a magnetically hard material, the magnetic guide having an immovable part formed as a cylinder, the movable armature being provided with a cover of the cylinder, the magnetizing coil being located inside the cylinder coaxially to the latter, a rod extending along an axis of the cylinder, located in an inner hollow of the cylinder, and having a part of composed of a electromagnetically soft material, the armature being formed so as to close the magnetic guide with formation of a three dimensional closed structure including the cylinder, the cover, the rod with a possibility of providing a holding force which is equal to a pulling force formed by a winding of the magnetizing coil during a supply of a short-term current pulse to the winding of the magnetizing coil and demagnetization of a material of the rod.
An electromagnetically operated device, comprising an electromagnet, said electromagnet including a magnetic guide having a movable armature and at least one air gap, a magnetizing coil provided on said magnetic guide, said magnetic guide having at least a part formed as an insert of a magnetically hard material, said magnetic guide having an immovable part formed as a cylinder, said movable armature being provided with a cover of said cylinder, said magnetizing coil being located inside said cylinder coaxially to the latter, a rod extending along an axis of said cylinder, located in an inner hollow of said cylinder, and having at least a part of composed of a electromagnetically soft material, said armature being formed so as to close said magnetic guide with formation of a three dimensional closed structure including said cylinder, said cover, said rod with a possibility of providing a holding force which is equal to a pulling force formed by a winding of said magnetizing coil during a supply of a short-term current pulse to the winding of said magnetizing coil and demagnetization of a material of said rod.
An electromagnetically-operated device, comprising an electromagnet;
A method of operating an electromagnetically operated device, comprising the steps of providing an electromagnetic drive including an electromagnet with a magnetic guide having a movable armature and at least one air gap, a magnetic coil, with the magnetic guide having at least a part formed as an insert of a magnetically hard material, an immovable part formed as a cylinder, with the movable armature formed as a cover of the cylinder;
Dependencies are inferred from the claim text.