Back to results
US 6,269,531 B1Granted
Method of making high-current coils
AssigneesElectro Componentes Mexicana S.A. De C.V., Precision One
InventorsEduardo Mercado, Louis Josephs
Life of this patent
Estimating the term…
Abstract
A method of making high current capacity electrical coil wherein the coil elements are stamped out from a plate or sheet of conductive material with mating male and female formations or mating butt-joints at opposite ends so that the formations of adjacent elements can be fitted together and fusion bonded to form a helix. The latter is coated by powder coating techniques to insulate the coil.
Claims14
A method of making a heavy duty electrical coil comprising the steps of:
- (a) forming a multiplicity of identical elongated electrically conductive elements from at least one plate of electrically conductive material and with each of said elements having a male formation projecting beyond an edge of the respective element at one end and a female formation in the form of a cutout complementary to said male formation and opening at an edge of an opposite end of the respective element;
- (b) fitting the male formations of said elements into the female formations of adjoining elements to form respective joints between adjoining elements at which broad surfaces of said adjoining elements are substantially flush with one another;
- (c) joining a multiplicity of said elements together on a support into successive spaced turns of a helix;
- and
- (d) while said elements form said helix on said support, fusion bonding each male formation of a respective joint to the female formation of the adjoining element receiving same, thereby producing said coil.
2 more elements
A method of making a heavy duty electrical coil comprising the steps of:
- (a) forming a multiplicity of identical elongated electrically conductive coil elements and at least two terminal elements having means for attaching conductors thereto from at least one plate of electrically conductive material and with each of said coil elements having a male formation projecting beyond an edge of the respective element at one end and a female formation in the form of a cutout complementary to said male formation and opening at an edge of an opposite end of the respective element, and said terminal elements having formations complementary to the formations of respective coil elements for attachment thereto;
- (b) fitting the male formations of said elements into the female formations of adjoining elements to form respective joints between adjoining elements at which broad surfaces of said adjoining elements are substantially flush with one another;
- (c) joining said elements together on a support into a helix having said terminal elements at ends of said helix, thereby forming a succession of said elements into successive spaced turns of the helix;
- (d) fusion bonding each male formation of a respective joint to the adjoining element receiving same, by dipping the helix on said support into solder, thereby producing said coil;
- and
- (e) thereafter insulating said turns.
3 more elements
Dependencies are inferred from the claim text.