Current interrupter for high voltage switches

Patent metadata

Field	Value
Publication number	US-10672575-B2
Application number	US-201715670485-A
Country	US
Kind code	B2
Filing date	Aug 7, 2017
Priority date	Feb 8, 2013
Publication date	Jun 2, 2020
Grant date	Jun 2, 2020

Abstract

The present invention provides a vacuum interrupter for interrupting a voltage. The vacuum interrupter includes a vacuum bottle housing having an interior and an exterior, and at least one vacuum bottle positioned within the interior of the vacuum bottle housing. The at least one vacuum bottle includes axially separable contacts within it, including at least one moveable contact. The vacuum interrupter further includes an operating mechanism including a clevis configured to reciprocate the moveable contact. The vacuum interrupter further includes a seal between the vacuum bottle housing and the operating mechanism sealing the operating mechanism from the interior of the vacuum bottle, wherein the seal includes a first end and a second end, the first end coupled to the clevis and the second end coupled to the vacuum bottle housing.

First claim

What is claimed is:

1. A vacuum interrupter for interrupting a voltage comprising:
a vacuum bottle housing having an interior and an exterior;
at least one vacuum bottle positioned within the interior of the vacuum bottle housing, the at least one vacuum bottle including axially separable contacts within it, at least one of which is a moveable contact;
an operating mechanism coupled to the moveable contact, the operating mechanism including a clevis configured to reciprocate the movable contact;
a seal between the vacuum bottle housing and the operating mechanism sealing the operating mechanism from the interior of the vacuum bottle, wherein the seal includes a first end and a second end, the first end coupled to the clevis and the second end coupled to the vacuum bottle housing;
a gasket positioned between the seal and the vacuum bottle housing, the gasket having an inner diameter configured to receive the second end of the seal and extend radially outward from second end of the seal; and
a seal housing enclosing the seal, the seal housing including an externally flanged lower end contacting the gasket.

2. The vacuum interrupter of claim 1 , wherein the seal comprises a bellows.

3. The vacuum interrupter of claim 1 , wherein a second vacuum bottle is serially connected with the at least one vacuum bottle, the second vacuum bottle positioned within the interior of the vacuum bottle housing.

4. The vacuum interrupter of claim 3 , wherein the the second vacuum bottle includes a second moveable contact and the moveable contacts are coupled to a spring-biased pedestal plate.

5. The vacuum interrupter of claim 4 , wherein the spring-biased pedestal plates are connected with a rigid member.

6. The vacuum interrupter of claim 5 , wherein the rigid member comprises a dielectric material.

7. The vacuum interrupter of claim 1 , wherein the vacuum bottle housing is pressurized.

8. The vacuum interrupter of claim 1 , wherein the vacuum bottle housing comprises a solid housing.

9. The vacuum interrupter of claim 8 , wherein the solid housing comprises a polymer epoxy.

10. The vacuum interrupter of claim 9 , wherein the polymer epoxy is a cycloaliphatic polymer epoxy.

11. A vacuum interrupter for interrupting a voltage comprising:
a vacuum bottle housing having an exterior and an interior, the vacuum bottle housing generally defining a fiberglass tube;
at least one vacuum bottle positioned within the interior of the vacuum bottle housing, the at least one vacuum bottle including axially separable contacts within it, the axially separable contact comprising a fixed contact and a moveable contact;
an operating mechanism coupled to the moveable contact, the operating mechanism including a clevis configured to reciprocate the moveable contact;
a bellows seal between the vacuum bottle housing and the operating mechanism sealing the operating mechanism from the interior of the vacuum bottle, wherein the seal includes a first end and a second end, the first end coupled to the clevis and the second end coupled to the vacuum bottle housing;
a gasket positioned between the bellows seal and the vacuum bottle housing, the gasket having an inner diameter configured to receive the second end of the bellows seal and extend radially outward from second end of the bellows seal; and
a bellows seal housing enclosing the bellows seal, the bellows seal housing including an externally flanged lower end contacting the gasket.

12. The vacuum interrupter of claim 11 , wherein a second vacuum bottle is serially connected with the at least one vacuum bottle, the second vacuum bottle positioned within the interior of the vacuum bottle housing.

13. The vacuum interrupter of claim 12 , wherein the second vacuum bottle includes a second moveable contact and the moveable contacts are each coupled to a spring-biased pedestal plate.

14. The vacuum interrupter of claim 13 , wherein the spring-biased pedestal plates are connected with a rigid member.

15. The vacuum interrupter of claim 14 , wherein the rigid member comprises a dielectric material.

16. The vacuum interrupter of claim 11 , wherein the vacuum bottle housing is pressurized.

17. The vacuum interrupter of claim 11 , wherein the vacuum bottle housing comprises a solid housing.

18. The vacuum interrupter of claim 17 , wherein the solid housing comprises a polymer epoxy.

19. The vacuum interrupter of claim 18 , wherein the polymer epoxy is a cycloaliphatic polymer epoxy.

20. A vacuum interrupter for interrupting a voltage comprising:
a vacuum bottle housing having a pressurized interior and an exterior;
at least one vacuum bottle positioned within the interior of the vacuum bottle housing, the at least one vacuum bottle including axially separable contacts within it, at least one of which is a moveable contact;
an operating mechanism, the operating mechanism including a clevis configured to reciprocate the moveable contact;
a seal between the vacuum bottle housing and the operating mechanism sealing the operating mechanism from the interior of the vacuum bottle, wherein the seal includes a first end and a second end, the first end coupled to the clevis and the second end coupled to the vacuum bottle housing;
a gasket positioned between the seal and the vacuum bottle housing, the gasket having an inner diameter configured to receive the second end of the seal and extend radially outward from second end of the seal; and
a seal housing enclosing the seal, the seal housing including an externally flanged lower end contacting the gasket.

Assignees

• Hubbell Inc

Inventors

• Rhein David A
• Breyre Daniel

Classifications

• H01H33/666 Primary

  Operating arrangements · CPC title

• H01H2033/6665

  Details concerning the mounting or supporting of the individual vacuum bottles · CPC title

• H01H2033/6667

  Details concerning lever type driving rod arrangements · CPC title