Foil wound coil for a solenoid valve
AssigneeKelsey-Hayes Company
InventorsHerbert L. Linkner, Jr., Paul M. Schliebe
Life of this patent
Estimating the term…
Abstract
A solenoid coil formed by winding a conductive foil tape upon a sleeve and method for making same. The coil includes a free standing wire termination which is wound into the coil. Alternately, the end of the foil tape can be folded to form a coil termination.
Claims15
A coil for a solenoid valve comprising:
- a central tube;
- and
- a winding which includes an electrically conducting foil having an electrically conductive material carried by a flexible tape, said tape being spiral wound about said tube, said tape having an end which includes a folded portion, said folded portion including a tab which extends from an end of the coil, said tab forming a foil terminal.
A coil for solenoid valve comprising:
- a central tube formed from an electrically conducting material, said tube including a coupling portion having at least one finger extending inwardly from said tube, said finger being adapted to electrically contact a valve sleeve;
- and
- a winding which includes an electrically conducting foil having an electrically conductive material carried by a flexible tape, said tape being spiral wound about said central tube, said electrically conductive material contacting said central tube.
A solenoid valve comprising:
- a valve body, said valve body including a valve seat;
- a valve sleeve mounted upon said valve body,
- an axially movable an-nature disposed with said valve sleeve, said armature cooperating with said valve seat to open and close the valve;
- and
- a winding which includes an electrically conducting foil tape comprising an electrically conductive material carried by a flexible dielectric tape, said tape being spiral wound directly upon said valve sleeve.
A coil for a solenoid valve comprising:
- a spiral wound length of an electrically conducting foil tape which forms a self-supporting tubular winding without a separate central tubes said winding having a central bore extending therethrough, said central bore adapted to receive a valve sleeve, said tape having an electrically conductive material carried on a flexible dielectric tape with said dielectric tape facing toward said central bore, said tape further having an inner end which is adjacent to said central bore;
- and
- a layer of adhesive disposed upon a portion as said inner tape end, said adhesive bonding together the inner layers of said winding to form said central bore.
A method for forming coils for ABS solenoid valves comprising the steps of:
- (a) providing a tube having a length which is a multiple of an individual coil;
- (b) mounting the tube upon a coil winding machine;
- (c) winding a length of an electrically conductive foil tape in a spiral about the tube, the foil tape having a width which corresponds to the length of the tube and including an electrically conductive material carried by a flexible dielectric tape;
- (d) inserting a wire into the winding parallel to the axis of the tube, the wire having a plurality of loops formed therein which are spaced to provide one loop in each of the individual coil lengths;
- (e) slicing the tube and tape winding into a plurality of individual coils;
- and
- (f) bending the loop wire parallel to the axis of the coil to form a lead wire.
A method for forming coils for ABS solenoid valves comprising the steps of:
- (a) providing a tube having a length which is a multiple of an individual coil;
- (b) mounting the tube upon a coil winding machine;
- (c) winding a length of an electrically conductive foil tape in a spiral about the tube, the foil tape having a width which corresponds to the length of the tube and including an electrically conductive material carried by a flexible dielectric tape;
- (d) slicing the tube and tape winding into a plurality of individual coils;
- and
- (e) placing at least one end of at least one of the individual coils in an etching fluid, the etching fluid dissolving a portion of the electrically conductive material.
A method for forming coils for ABS solenoid valves comprising the steps of:
- (a) providing a tube;
- (b) mounting the tube upon a coil winding machine;
- (c) winding a length of an electrically conductive foil tape in a spiral about the tube, the foil tape including an electrically conductive material carried by a flexible dielectric tape;
- and
- (d) forming a terminal by folding a portion of the end of the foil tape to form a foil tab which extends axially from an end of the coil.
Dependencies are inferred from the claim text.