US4131988A — Method of manufacturing a dynamoelectric field me…

Claim 1

Independent Claim 103 words

The method of winding field coils for dynamoelectric apparatus comprising forming plural core pieces in circumferentially spaced positions on a mandrel, winding coils about said core pieces with a continuous length of strapping, each of said coils having plural convolutions and having an axis intersecting said mandrel, the winding of each coil progressing from a first convolution nearest said mandrel axially outwardly along its said axis to a last convolution farthest from said mandrel, and forming connecting portions from said continuous length of strapping extending from the last wound convolution of one coil to the first wound convolution of the next wound coil.

Claim 2

Independent Claim 103 words

The method of winding field coils for dynamoelectric apparatus comprising forming plural core pieces in circumferentially spaced positions on a mandrel, winding coils about said core pieces with a continuous length of strapping, each of said coils having plural convolutions and having an axis intersecting said mandrel, the winding of each coil progressing from a first convolution nearest said mandrel axially outwardly along its said axis to a last convolution farthest from said mandrel, and forming connecting portions from said continuous length of strapping extending from the last wound convolution of one coil to the first wound convolution of the next wound coil.

Claim 3

Dependent Claim 52 words

The method of claim 1 wherein said continuous length of strapping has parallel major faces and edges extending between said major faces, wherein said core pieces have surrounding side walls, and wherein said strapping is edge wound about said side walls with each side wall confronted by an edge of said strapping.

Claim 4

Dependent Claim 46 words

The method of claim 2 wherein one of said core pieces is wound with one edge of said strapping confronting the side walls thereof and an adjacent one of said core pieces is wound with an opposite edge of said strapping confronting the side walls thereof.

Claim 5

Dependent Claim 40 words

The method of claim 2 wherein prior to the winding of coils about said core pieces insulating sleeves are mounted in surrounding relation to the side walls of said core pieces, and wherein said strapping is wound around said sleeves

Claim 6

Dependent Claim 18 words

The method of claim 1 wherein four of said coils are wound on four of said core pieces.

Claim 7

Independent Claim 65 words

A method of winding and mounting field coils for dynamoelectric apparatus comprising mounting plural pole pieces in circumferentially spaced positions on an arbor, winding coils of wire about said pole pieces with a continuous length of strapping, inserting the arbor with the pole pieces mounted thereon into a stator ring, and attaching the pole pieces to the ring and removing the arbor from said ring.

Claim 8

Independent Claim 65 words

A method of winding and mounting field coils for dynamoelectric apparatus comprising mounting plural pole pieces in circumferentially spaced positions on an arbor, winding coils of wire about said pole pieces with a continuous length of strapping, inserting the arbor with the pole pieces mounted thereon into a stator ring, and attaching the pole pieces to the ring and removing the arbor from said ring.

Claim 9

Dependent Claim 44 words

The method of claim 6 wherein said continuous length of strapping has parallel major faces and edges extending between said major faces, wherein said pole pieces have surrounding wall portions and wherein the coils are edge wound about wall portions of said pole pieces.

Claim 10

Dependent Claim 47 words

The method of claim 7 wherein one of said pole pieces is wound with one edge of said strapping confronting a wall portion thereof and a peripherally adjacent one of said pole pieces is wound with an opposite edge of said strapping confronting a wall portion thereof.

Claim 11

Dependent Claim 41 words

The method of claim 7 wherein prior to the winding of coils on said pole pieces insulating sleeves are mounted in surrounding relation to the wall portions of said pole pieces and wherein said strapping is wound around said sleeve means.

Claim 12

Dependent Claim 38 words

The method of claim 6 further comprising the wrapping of an insulating sleeve around the arbor after the coils are wound about said pole pieces, said insulating sleeve being inserted into the stator ring along with the arbor.

Claim 13

Dependent Claim 15 words

The method of claim 6 wherin there are four coils wound about four pole pieces.

Claim 14

Dependent Claim 15 words

The method of claim 7 wherein each of said coils is wound with plural convolutions.

Claim 15

Dependent Claim 197 words

In a method of manufacture of stators in particular starter motor field stators of the type having a stator ring, plural pole pieces connected to the ring, coils encircling each of the pole pieces, and connections between the coils, the coils and the connections being formed from strapping, comprising the steps of: 1. mounting the pole pieces on an arbor; 2. with the pole pieces on the arbor. a. edge winding the strapping about one of the pole pieces to form a first coil, b. after completion of the winding of the first coil, edge bending the strapping toward an adjacent pole piece, c. edge winding a second coil about said adjacent pole piece, d. repeating the steps of edge bending the strapping toward adjacent pole pieces to form connections between coils and edge winding the strapping about other pole pieces until a winding is completed with coils wound around all of the pole pieces, the entire winding being made from a single uninterrupted piece of strapping, e. severing the strapping from its source, f. inserting the assembled arbor, pole pieces, and winding into the stator ring, g. connecting the pole pieces to the stator ring, and

Claim 16

Dependent Claim 197 words

In a method of manufacture of stators in particular starter motor field stators of the type having a stator ring, plural pole pieces connected to the ring, coils encircling each of the pole pieces, and connections between the coils, the coils and the connections being formed from strapping, comprising the steps of: 1. mounting the pole pieces on an arbor; 2. with the pole pieces on the arbor. a. edge winding the strapping about one of the pole pieces to form a first coil, b. after completion of the winding of the first coil, edge bending the strapping toward an adjacent pole piece, c. edge winding a second coil about said adjacent pole piece, d. repeating the steps of edge bending the strapping toward adjacent pole pieces to form connections between coils and edge winding the strapping about other pole pieces until a winding is completed with coils wound around all of the pole pieces, the entire winding being made from a single uninterrupted piece of strapping, e. severing the strapping from its source, f. inserting the assembled arbor, pole pieces, and winding into the stator ring, g. connecting the pole pieces to the stator ring, and

Claim 17

Dependent Claim 17 words

removing the arbor from the stator ring, the pole pieces retaining the winding inside the stator ring.

Claim 18

Dependent Claim 17 words

removing the arbor from the stator ring, the pole pieces retaining the winding inside the stator ring.

Claim 19

Dependent Claim 28 words

The method of claim 13 wherein an insulating sleeve is wrapped around the assembled arbor, pole pieces and winding prior to the insertion thereof into the stator ring.

Claim 20

Dependent Claim 40 words

The method of claim 14 wherein the shape of each of the coils is modified by coil forming apparatus to conform to a configuration suitable for insertion into the stator ring prior to the wrapping of the insulating sleeve therearound.

Claim 21

Dependent Claim 53 words

The method of claim 13 wherein the strapping is edge bent around the pole pieces to form coils by rotation of the arbor about an axis perpendicular to the longitudinal axis of the arbor and the strapping is bent to form connections between coils by rotation of the arbor about its longitudinal axis.

Claim 22

Dependent Claim 40 words

The method of claim 13 wherein the pole pieces mounted on the arbor are clamped thereto by at least one slidable clamp member while the field winding is completed, and the clamp member is removed after the winding is completed.

Claim 23

Dependent Claim 49 words

The method of claim 17 wherein the first convolution of each coil wound on each of the pole pieces is at least partly supported by flat surface portions of said clamp member, said coils being formed to have a generally circular outer periphery after removal of said clamp member.

Claim 24

Dependent Claim 15 words

The method of claim 13 wherein each of said coils is wound with plural convolutions.

Claim 25

Dependent Claim 15 words

The method of claim 13 wherein there are four coils wound about four pole pieces.

Claim 26

Independent Claim 129 words

A method for manufacturing a field winding from strapping, comprising: providing a mandrel having plural core pieces arranged about the major axis of said mandrel; supporting said mandrel for rotation about said major axis; guiding strapping from a source of strapping to said mandrel; edge winding said strapping to form coils about each of said core pieces; and forming connecting portions between pairs of said coils by rotating said mandrel about said major axis between the winding of a first coil of each of said pairs and the winding of the next coil of each of said pairs so that said field winding is formed from a continuous and uninterrupted length of strapping having coils edge wound about said core pieces with connecting portions extended from coil to coil.

Claim 27

Independent Claim 129 words

A method for manufacturing a field winding from strapping, comprising: providing a mandrel having plural core pieces arranged about the major axis of said mandrel; supporting said mandrel for rotation about said major axis; guiding strapping from a source of strapping to said mandrel; edge winding said strapping to form coils about each of said core pieces; and forming connecting portions between pairs of said coils by rotating said mandrel about said major axis between the winding of a first coil of each of said pairs and the winding of the next coil of each of said pairs so that said field winding is formed from a continuous and uninterrupted length of strapping having coils edge wound about said core pieces with connecting portions extended from coil to coil.

Claim 28

Dependent Claim 45 words

The method of claim 21 wherein the step of edge winding coils comprises rotating said mandrel about a second axis inclined from said major axis so that said strapping is drawn from said source to said mandrel and is edge bent about said core pieces.

Claim 29

Dependent Claim 16 words

The method of claim 22 wherein said second axis is generally perpendicular to said major axis.

Claim 30

Dependent Claim 27 words

The method of claim 22 further comprising: securing the leading end of said strapping to said mandrel prior to edge winding of coils about said core pieces.

Claim 31

Dependent Claim 18 words

The method of claim 21 further comprising: providing means for detachably mounting said core pieces on said mandrel.

Claim 32

Dependent Claim 15 words

The method of claim 21 wherein each of said coils is wound with plural convolutions.

Claim 33

Dependent Claim 15 words

The method of claim 21 wherein there are four coils wound about four core pieces.

Claim 34

Independent Claim 120 words

A method for manufacturing a field winding from strapping of the type having major faces and edges extending between said major faces comprising: winding a coil commencing with one end of said strapping, said coil having plural turns surrounding an aperture for receipt of a pole piece, said aperture being defined by the surfaces of one of said edges, and winding a second coil surrounding another aperture for receipt of another pole piece defined by the surfaces of one of said edges, bending said strapping as needed to provide an integral connecting portion between said coils with the connecting portion extending from the last wound turn of the first wound coil and the first wound turn of said second coil.

Claim 35

Independent Claim 120 words

A method for manufacturing a field winding from strapping of the type having major faces and edges extending between said major faces comprising: winding a coil commencing with one end of said strapping, said coil having plural turns surrounding an aperture for receipt of a pole piece, said aperture being defined by the surfaces of one of said edges, and winding a second coil surrounding another aperture for receipt of another pole piece defined by the surfaces of one of said edges, bending said strapping as needed to provide an integral connecting portion between said coils with the connecting portion extending from the last wound turn of the first wound coil and the first wound turn of said second coil.

Claim 36

Dependent Claim 63 words

The method of claim 28 wherein a third and fourth coil are wound, each having plural turns surrounding respective apertures for receipt of pole pieces, the aperture of each of said third and fourth coils being defined by edge surfaces of said strapping, said fourth coil terminating in a finish portion, and severing said finish portion from the remaining portion of said strapping.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1982-01-01	1982-07-03	1983-01-02	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1986-01-01	1986-07-03	1987-01-02	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1990-01-01	1990-07-03	1991-01-02	$7700.00	Window Closed / Lapsed

Method of manufacturing a dynamoelectric field member

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