초록

A magnetic control device having a movable, permanent magnet or fixed-polar portion, a movable element of magnetizable material, i.e., material of high permeability and a plurality of fixed members also of magnetizable material.

대표청구항 ▼

A fixed pole magnet means movably positioned relative to a movable shuttle; housing means carrying said movable shuttle, said shuttle being comprised of magnetizable material capable of having reversible poles formed as a function of the location of said fixed pole magnet means, said shuttle being m

A fixed pole magnet means movably positioned relative to a movable shuttle; housing means carrying said movable shuttle, said shuttle being comprised of magnetizable material capable of having reversible poles formed as a function of the location of said fixed pole magnet means, said shuttle being movable between a first and second position; first and second members, also comprised of magnetizable material, spacedly positioned at approximately the respective said first and second positions; float means positioned relative to said fixed pole magnet means adapted to movably float on the surface of a quantity of liquid; and means for causing movement of said shuttle as a function of the level of said liquid, said movement causing means including said fixed pole magnet means, said movable shuttle, and said first and second members. The level control device of claim 6, and including: switch assembly, said switch assembly comprising said first and second members, said shuttle, and a shuttle container, said shuttle container being positioned intermediate said first and second members. The level control device of claim 8, and including: said float means and said fixed magnet are positioned at approximately the opposite ends of a lever, said lever being pivotally associated with said housing; said first and second members each includes passageways therethrough in blockable, communicating relationship with the said shuttle container, each said first and second members\said passageway also being in communication with one of a supply fluid inlet and a further fluid port; and additional fluid port in said housing communicating with the interior of said shuttle container.