IP Library Granted Patent US 12,518,918
Granted Patent B2
US 12,518,918 · App. 17/920,081 · Granted Jan 6, 2026

Component and method for manufacturing insulating spacers

Inventors: Gianluca Bustreo (Mirano, IT); Paolo Pavanello (Granze, IT)
Assignee: HITACHI ENERGY LTD
H01F41/125H01F27/323H01F41/127
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Quick Facts
Patent No.
US 12,518,918
App. No.
17/920,081
Granted
Jan 6, 2026
Kind
B2
Abstract

A component for manufacturing an insulating spacer for electromagnetic induction apparatuses. Said component is formed by a body of plastic material having opposite first and second surfaces, opposite first and second sides and opposite third and fourth sides, a first distance between said first and second surfaces. At least one of said first and second sides comprises coupling means for coupling with complementary coupling means of a further one of such component for manufacturing said insulating spacer.

Claims (26)

1 . A first component for manufacturing an insulating spacer for an electromagnetic induction apparatus, said first component being formed by a body of plastic material having opposite first and second surfaces, opposite first and second sides and opposite third and fourth sides, a first distance between said first and second surfaces defining a thickness of said first component, a second distance between said third and fourth sides defining a width of said first component, and a third distance between said first and second sides defining a length of said first component, wherein the width of the first component is greater than the thickness of the first component;

wherein at least one of said first and second sides comprises coupling means wherein the coupling means comprise one or more male-insertion elements for coupling with one or more complementary female-insertion elements of a second component and/or one or more female-insertion elements of the coupling means for coupling with one or more complementary male-insertion elements of the second component for manufacturing said insulating spacer, wherein the first component and the second component have a substantially similar second distance such that the one or more male-insertion elements and the one or more female-insertion elements and the one or more complementary male-insertion elements and the complementary female-insertion elements extend along the width of the first component and a width of the second component;

wherein the coupling means of said first component is configured so that the coupling with the complementary coupling means of said second component requires a second relative translation motion of said first component with respect to said second component, said second relative translation motion being directed along the width of said first component and wherein the coupling means of the first component prevents coupling to the complementary coupling means of the second component via a first relative translation motion corresponding to a direction along the length of the first component, wherein the first component and the second component are insulating spacer components that are coupled via the second relative translation motion to form a section of the insulating spacer;

wherein at least one of the length of the first component and a length of the second component does not exceed 8 centimeters.

2 . The first component according to claim 1 , wherein said one or more male-insertion elements comprise one or more shaped protrusions extending along the width of said first component.

3 . The first component according to claim 1 , wherein said one or more female-insertion elements comprise one or more one or more shaped grooves extending along the width of said first component.

4 . The first component according to claim 1 , wherein said one or more male-insertion elements comprise one or more shaped protrusions extending along the width of said first component.

5 . The first component according to claim 1 , wherein the coupling means of said first component are configured so that the coupling with the complementary coupling means of said second component requires a third relative rotary-translation motion of said first component with respect to said second component, said third relative rotary-translation motion including a rotation of said first component around the width of said first component and a translation of said first component along the length of said first component.

6 . The first component according to claim 5 , wherein said one or more male-insertion elements comprise one or more shaped protrusions at one or more first shaped head portions of at least one of said first and second sides, said first head portions and said shaped protrusions extending along the width of said first component.

7 . The first component according to claim 5 , wherein said one or more female-insertion elements comprise one or more shaped grooves at one or more second shaped head portions of at least one of said first and second sides, said second head portions and said shaped grooves extending along the width of said first component.

8 . The first component according to claim 1 , wherein the coupling means of said first component are configured so that the coupling with the complementary coupling means of said second component requires a fourth relative translation motion of said first component with respect to said second component, said fourth relative translation motion being directed perpendicularly to said first and second surfaces.

9 . The first component according to claim 8 , wherein said one or more male-insertion elements comprise one or more shaped protrusions extending perpendicularly to said first and second surfaces.

10 . The first component according to claim 8 , wherein said one or more female-insertion elements comprise one or more shaped grooves extending perpendicularly to said first and second surfaces.

11 . The first component according to claim 1 , wherein at least one of said first and second sides comprises fixing means.

12 . A method for manufacturing an insulating spacer for an electromagnetic induction apparatus, the method comprising:

providing at least a first component and a second component, according to claim 1 ; and

joining said first component and said second component by coupling the coupling means of said first component and with the complementary coupling means of said second component;

wherein the coupling means of said first component is configured so that the coupling with the complementary coupling means of said second component requires a second relative translation motion of said first component with respect to said second component, said second relative translation motion being directed along the width of said first component and wherein the coupling means of the first component prevents coupling to the complementary coupling means of the second component via a first relative translation motion corresponding to a direction along the length of the first component, wherein the first component and the second component are insulating spacer components that are coupled via the second relative translation motion to form a section of the insulating spacer.

13 . The method of claim 12 , wherein joining said first component and said second component comprising bringing said first component and said second component near each other with translation movement along a length of said first component and a length of said second component to enable the complementary coupling to join said first component and said second component.

14 . An insulating spacer for an electromagnetic induction apparatus comprising:

a first component being formed by a body of plastic material having opposite first and second surfaces, opposite first and second sides and opposite third and fourth sides, a first distance between said first and second surfaces defining a thickness of said first component, a second distance between said third and fourth sides defining a width of said first component, and a third distance between said first and second sides defining a length of said first component, wherein the width of the first component is greater than the thickness of the first component; and

a second component, wherein said first component having coupling means coupled with a complementary coupling means of said second component;

wherein the coupling means of said first component is configured so that the coupling with the complementary coupling means of said second component requires a second relative translation motion of said first component with respect to said second component, said second relative translation motion being directed along the width of said first component and wherein the coupling means of the first component prevents coupling to the complementary coupling means of the second component via a first relative translation motion corresponding to a direction along the length of the first component, wherein the first component and the second component are insulating spacer components that are coupled via the second relative translation motion to form a section of the insulating spacer;

wherein at least one of the length of the first component and a length of the second component does not exceed 8 centimeters.

15 . An electric winding for an electromagnetic induction apparatus comprising at least an insulating spacer according to claim 14 .

16 . An electromagnetic induction apparatus comprising at least an insulating spacer according to claim 14 .

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 18, 2024
From: BUSTREO, GIANLUCA; PAVANELLO, PAOLO
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 066168/0780 →
CHANGE OF NAME Recorded Jan 18, 2024
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 066168/0847 →
MERGER Recorded Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065548/0869 →
Priority Claims (1)
EP 20170386 · Apr 20, 2020 · regional
Continuity (1)
Related Publication 20230162915A1 · May 25, 2023
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