US4656555A — Filament wrapped electrical assemblies and method…

Claim 1

Independent Claim 65 words

An electrical assembly, the combination comprising: a plurality of conductive electrical components aligned in a row and having axially-directed ends, said electrical components being in electrical connection with one another via said axially-directed ends; and means, wrapped around said components, for applying an axially-directed compressive force on said plurality of electrical components to maintain said electrical connection thereof, said means including a non-conductive filament winding.

Claim 2

Dependent Claim 65 words

An electrical assembly, the combination comprising: a plurality of conductive electrical components aligned in a row and having axially-directed ends, said electrical components being in electrical connection with one another via said axially-directed ends; and means, wrapped around said components, for applying an axially-directed compressive force on said plurality of electrical components to maintain said electrical connection thereof, said means including a non-conductive filament winding.

Claim 3

Dependent Claim 15 words

An electrical assembly as defined in claim 1, wherein said electrical components comprise MOV blocks.

Claim 4

Dependent Claim 26 words

An electrical assembly as defined in claim 1, and further comprising a weathershed housing, said housing at least partially enclosing said means and said electrical components.

Claim 5

Dependent Claim 17 words

An electrical assembly as defined in claim 3, wherein said weathershed housing is formed of polymeric material.

Claim 6

Dependent Claim 16 words

An electrical assembly as defined in claim 1, wherein said filament winding carries a resinous compound.

Claim 7

Dependent Claim 17 words

An electrical assembly as defined in claim 1, wherein said electrical components comprise at least one resistor.

Claim 8

Dependent Claim 17 words

An electrical assembly as defined in claim 1, wherein said electrical components comprise at least one capacitor.

Claim 9

Dependent Claim 40 words

An electrical assembly as defined in claim 1, and further including biasing means, interposed between two of said plurality of electrical components, for biasing said two of said plurality of electrical components away from one another in the axial direction.

Claim 10

Dependent Claim 34 words

An electrical assembly as defined in claim 1, wherein said electrical components define a pair of spaced shoulders at opposite ends of the row formed thereby which receive portions of said filament winding thereon.

Claim 11

Dependent Claim 70 words

A surge arrester comprising: a plurality of MOV parts aligned in a row and under an axial compressive load and having axially-directed ends, said MOV parts being in electrical connection with one another via said axially-directed ends; and means, wrapped around said MOV parts, for tightly coupling said MOV parts together and maintaining such axial compressive load to maintain said electrical connection thereof, said means including a non-conductive filament winding.

Claim 12

Dependent Claim 70 words

A surge arrester comprising: a plurality of MOV parts aligned in a row and under an axial compressive load and having axially-directed ends, said MOV parts being in electrical connection with one another via said axially-directed ends; and means, wrapped around said MOV parts, for tightly coupling said MOV parts together and maintaining such axial compressive load to maintain said electrical connection thereof, said means including a non-conductive filament winding.

Claim 13

Dependent Claim 21 words

A surge arrester as defined in claim 10, and further comprising at least one spring washer located between adjacent MOV parts.

Claim 14

Dependent Claim 16 words

A surge arrester as defined in claim 10, wherein said filament winding carries a resinous compound.

Claim 15

Dependent Claim 34 words

A surge arrester as defined in claim 10, wherein said MOV parts define a pair of spaced shoulders at opposite ends of the row formed thereby which receive portions of said filament winding thereon.

Claim 16

Dependent Claim 36 words

A surge arrester as defined in claim 10, and further comprising biasing means, interposed between two of said MOV parts, for biasing said two of said MOV parts away from one another in the axial direction.

Claim 17

Dependent Claim 26 words

A surge arrester as defined in claim 10, and further comprising a weathershed housing, said housing at least partially enclosing said means and said MOV parts.

Claim 18

Dependent Claim 17 words

A surge arrester as defined in claim 15, wherein said weathershed housing is formed of polymeric material.

Claim 19

Independent Claim 58 words

A method of making an electrical assembly comprising the steps of aligning a plurality of conductive electrical components in a row, placing the row of electrical components in electrical connection via axial compression, and wrapping the plurality of aligned electrical components with a non-conductive filament winding to maintain the axial compression and to maintain the electrical connection thereof.

Claim 20

Independent Claim 58 words

A method of making an electrical assembly comprising the steps of aligning a plurality of conductive electrical components in a row, placing the row of electrical components in electrical connection via axial compression, and wrapping the plurality of aligned electrical components with a non-conductive filament winding to maintain the axial compression and to maintain the electrical connection thereof.

Claim 21

Dependent Claim 21 words

A method as defined in claim 17, and further comprising the step of providing the filament winding with a resinous coating.

Claim 22

Dependent Claim 26 words

A method as defined in claim 17, and further comprising the step of at least partially enclosing the filament wrapped electrical components in a weathershed housing.

Claim 23

Dependent Claim 33 words

A method as defined in claim 17, wherein the placing step further comprises the step of biasing two of the plurality of conductive electrical components away from one another in the axial direction.

Claim 24

Dependent Claim 89 words

The method as defined in claim 17, wherein the step of aligning further comprises aligning the electrical components between a first terminal electrical component having a first shoulder and a second terminal electrical component having a second shoulder, and the step of wrapping comprises establishing at least one turn of filament winding on the surface of the components, wherein each turn has at least one portion in the first shoulder, at least one portion on the surface of the components, and at least one portion in the second shoulder.

Claim 25

Dependent Claim 147 words

The method as described in claim 21, wherein the step of establishing comprises (A) securing the filament winding in the first shoulder of the first terminal component, (B) traversing the filament axially along the surface of the aligned electrical components, (C) upon reaching the second terminal piece, winding the filament in the second shoulder by causing at least a partial relative axial rotational movement between the filament and the components, (D) traversing the filament back along the surface of the aligned electrical components, (E) winding the filament in the first shoulder by causing at least a partial relative axial rotational movement between the filament and the components, and (F) repeating steps B through E for a plurality of cycles, altering the rotation of the components and the axial traverse slightly out of synchronism so that subsequent cycles advance the filament winding around the surface of the components.

Claim 26

Dependent Claim 42 words

The method as described in claim 22 wherein at least one of the steps B and D further comprises causing relative axial rotational movement between the filament winding and aligned components while traversing the filament winding along the surface of the components.

Claim 27

Dependent Claim 22 words

A method as defined in claim 17, wherein the wrapping step is continued to provide a plurality of layers of filament winding.

Claim 28

Independent Claim 62 words

A method of making a surge arrester comprising the steps of aligning a plurality of MOV parts in a row, placing the MOV parts in electrical connection via an axial load, and wrapping the plurality of aligned MOV parts with a non-conductive filament winding to tightly couple the parts together to maintain the axial load and to maintain the electrical connection thereof.

Claim 29

Independent Claim 62 words

A method of making a surge arrester comprising the steps of aligning a plurality of MOV parts in a row, placing the MOV parts in electrical connection via an axial load, and wrapping the plurality of aligned MOV parts with a non-conductive filament winding to tightly couple the parts together to maintain the axial load and to maintain the electrical connection thereof.

Claim 30

Dependent Claim 21 words

A method as defined in claim 25, and further comprising the step of providing the filament winding with a resinous coating.

Claim 31

Dependent Claim 26 words

A method as defined in claim 25, and further comprising the step of at least partially enclosing the filament wrapped electrical components in a weathershed housing.

Claim 32

Dependent Claim 30 words

The method as defined in claim 25, wherein the step of aligning MOV parts further comprises aligning at least one spring washer between at least one pair of MOV parts.

Claim 33

Dependent Claim 30 words

A method as defined in claim 25, wherein the axial load is from about 50 pounds per square inch to about 500 pounds per square inch of block cross section.

Claim 34

Dependent Claim 55 words

A surge arrester comprising: a plurality of resistive blocks having axially-directed ends and being in electrical connection with one another via said axially-directed ends, and non-conductive filament windings wound around said plurality of blocks, said filament windings applying an axial compressive force on said plurality of resistive blocks to maintain said blocks in electrical connection.

Claim 35

Dependent Claim 55 words

A surge arrester comprising: a plurality of resistive blocks having axially-directed ends and being in electrical connection with one another via said axially-directed ends, and non-conductive filament windings wound around said plurality of blocks, said filament windings applying an axial compressive force on said plurality of resistive blocks to maintain said blocks in electrical connection.

Claim 36

Dependent Claim 50 words

A surge arrester according to claim 30, wherein said resistive blocks are in the shape of cylinders and are arranged end-to-end in a row, said row of blocks having a first free end and a second free end, at least a portion of said windings extending between said free ends.

Claim 37

Dependent Claim 22 words

A surge arrester according to claim 30, further comprising a weathershed housing, said resistive blocks and windings being located within said housing.

Claim 38

Dependent Claim 20 words

A surge arrester according to claim 31, further comprising a conductive spacer and a spring means between said resistive blocks.

Claim 39

Dependent Claim 22 words

A surge arrester according to claim 33, wherein said conductive spacer distributes a current throughout the cross-sectional area of the resistive blocks.

Claim 40

Dependent Claim 25 words

A surge arrester according to claim 30 further comprising first and second conductive end pieces in abutment with said first and second free ends, respectively.

Claim 41

Dependent Claim 36 words

A surge arrester as defined in claim 30, and further comprising biasing means, interposed between two of said resistive blocks, for biasing said two of said resistive blocks away from one another in the axial direction.

Claim 42

Independent Claim 58 words

A method of constructing a surge arrester comprising the step of providing a plurality of resistive blocks, placing the blocks in a row, placing the blocks in axial compression and thereby electrically connecting the blocks, and wrapping windings of non-conductive filament around the blocks to maintain the blocks in axial compression and to maintain the electrical connection thereof.

Claim 43

Independent Claim 58 words

A method of constructing a surge arrester comprising the step of providing a plurality of resistive blocks, placing the blocks in a row, placing the blocks in axial compression and thereby electrically connecting the blocks, and wrapping windings of non-conductive filament around the blocks to maintain the blocks in axial compression and to maintain the electrical connection thereof.

Claim 44

Dependent Claim 39 words

A method according to claim 37 and further comprising the steps of coating at least a portion of the filament with a resinous composition; and curing the composition while maintaining the compressive force on the plurality of resistive blocks.

Claim 45

Dependent Claim 31 words

A method of as defined in claim 37, wherein the second placing step further comprises biasing two of the plurality of resistive blocks away from one another in the axial direction.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1990-04-06	1990-10-06	1991-04-07	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1994-04-06	1994-10-06	1995-04-07	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1998-04-06	1998-10-06	1999-04-07	$7700.00	Window Closed / Lapsed

Filament wrapped electrical assemblies and method of making same

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