US 11,152,174 B2 · Dual thomson coil-actuated, double-bellows vacuum circuit interrupter · patentgrep

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Abstract

A vacuum interrupter including a first movable contact and electrode contained within a vacuum chamber, a second movable contact and electrode contained within the vacuum chamber, a first actuator operably coupled to the first movable contact, and a second actuator operably coupled to the second movable contact. The vacuum interrupter also includes a first bellows and first bellows plate operably coupled to the first movable electrode, as well as a second bellows and second bellows plate operably coupled to the second movable electrode. Additionally, the vacuum interrupter includes a first pressure chamber located between the first actuator and the vacuum chamber, and a second pressure chamber located between the second actuator and the vacuum chamber.

Claims56

Dependent claims

A vacuum interrupter comprising:

a first movable contact contained within a vacuum chamber;
a first movable electrode connected to the first movable contact;
a second movable contact contained within the vacuum chamber;
a second movable electrode connected to the second movable contact;
a first actuator operably coupled to the first movable electrode;
a second actuator operably coupled to the second movable electrode;
a first bellows and first bellows plate operably coupled to the first movable electrode;
a second bellows and second bellows plate operably coupled to the second movable electrode;
a first pressure chamber located between the first actuator and the vacuum chamber;
and
a second pressure chamber located between the second actuator and the vacuum chamber,
wherein the first pressure chamber and the second pressure chamber are filled with a pressurized gas.

9 more elements

A vacuum interrupter comprising:

a first movable contact contained within a vacuum chamber;
a first movable electrode connected to the first movable contact;
a second movable contact contained within the vacuum chamber;
a second movable electrode connected to the second movable contact;
a first Thomson coil, wherein the first Thomson coil, when energized, is configured to move the first movable electrode in a first direction;
a second Thomson coil, wherein the second Thomson coil, when energized, is configured to move the second movable contact in a second direction opposite the first direction;
a first bellows and first bellows plate operably coupled to the first movable electrode;
a second bellows and second bellows plate operably coupled to the second movable electrode;
a first pressure chamber located between the first Thomson coil and the vacuum chamber;
and
a second pressure chamber located between the second Thomson coil and the vacuum chamber,
wherein the first pressure chamber and the second pressure chamber are filled with a pressurized gas.

9 more elements

A vacuum interrupter comprising:

a first movable contact contained within a vacuum chamber;
a first movable electrode connected to the first movable contact;
a second movable contact contained within the vacuum chamber;
a second movable electrode connected to the second movable contact;
a first Thomson coil, wherein the first Thomson coil, when energized, is configured to move the first movable electrode in a first direction;
a second Thomson coil, wherein the second Thomson coil, when energized, is configured to move the second movable contact in a second direction opposite the first direction;
a first bellows and first bellows plate operably coupled to the first movable electrode;
a second bellows and second bellows plate operably coupled to the second movable electrode,
a first pressure chamber located between the first Thomson coil and the vacuum chamber;
and
a second pressure chamber located between the second Thomson coil and the vacuum chamber,
wherein the first bellows, the first bellows plate, the second bellows, and the second bellows plate are configured to hold the respective first movable contact and the second movable contact in a closed position when the first Thomson coil and the second Thomson coil are not energized.

9 more elements

A vacuum interrupter comprising:

a first movable contact contained within a vacuum chamber;
a first movable electrode connected to the first movable contact;
a second movable contact contained within the vacuum chamber;
a second movable electrode connected to the second movable contact;
a first actuator operably coupled to the first movable electrode, wherein the first actuator comprises:
a first Thomson coil, and
a first conductive plate operatively coupled to the first movable contact by a first non-conductive stem that passes through the first Thomson coil;
a second actuator operably coupled to the second movable electrode, wherein the second actuator comprises:
a second Thomson coil, and
a second conductive plate operatively coupled to the second movable contact by a second non-conductive stem that passes through the second Thomson coil;
a first bellows and first bellows plate operably coupled to the first movable electrode;
a second bellows and second bellows plate operably coupled to the second movable electrode;
a first pressure chamber located between the first actuator and the vacuum chamber;
and
a second pressure chamber located between the second actuator and the vacuum chamber.

12 more elements

A vacuum interrupter comprising:

a first movable contact contained within a vacuum chamber;
a first movable electrode connected to the first movable contact;
a second movable contact contained within the vacuum chamber;
a second movable electrode connected to the second movable contact;
a first Thomson coil, wherein the first Thomson coil, when energized, is configured to move the first movable electrode in a first direction;
a second Thomson coil, wherein the second Thomson coil, when energized, is configured to move the second movable contact in a second direction opposite the first direction;
a first bellows and first bellows plate operably coupled to the first movable electrode;
a second bellows and second bellows plate operably coupled to the second movable electrode;
a first pressure chamber located between the first Thomson coil and the vacuum chamber;
a second pressure chamber located between the second Thomson coil and the vacuum chamber;
a first conductive plate operatively coupled to the first movable electrode by a first non-conductive stem that passes through the first Thomson coil, wherein the first Thomson coil, when energized, causes the first conductive plate to move in the first direction;
and
a second conductive plate operatively coupled to the second movable electrode by a second non-conductive stem that passes through the second Thomson coil, wherein the second Thomson coil, when energized, causes the second conductive plate to move in the second direction.

10 more elements

A vacuum interrupter comprising:

a first movable contact contained within a vacuum chamber;
a first movable electrode connected to the first movable contact;
a second movable contact contained within the vacuum chamber;
a second movable electrode connected to the second movable contact;
a first actuator operably coupled to the first movable electrode, wherein the first actuator comprises a first Thomson coil and a first conductive plate operatively coupled to the first movable contact;
a second actuator operably coupled to the second movable electrode, wherein the second actuator comprises a second Thomson coil and a second conductive plate operatively coupled to the second movable contact;
a first bellows and first bellows plate operably coupled to the first movable electrode;
a second bellows and second bellows plate operably coupled to the second movable electrode;
a first pressure chamber located between the first actuator and the vacuum chamber;
a second pressure chamber located between the second actuator and the vacuum chamber;
a third Thomson coil configured to decelerate the first conductive plate when the first Thomson coil is energized;
and
a fourth Thomson coil configured to decelerate the second conductive plate when the second Thomson coil is energized.

10 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/902,735Filed 16 Jun 2020 · us provisional application
Priority: 19 Jun 2019
Published: US 2020/0402752 A124 Dec 2020
Granted: 19 Oct 2021
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

H01H 33/666
Vacuum switches: operating arrangements
H01H 33/6662
Operating arrangements: using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators
H01H 33/285
Power arrangements internal to the switch for operating the driving mechanism: using electro-dynamic repulsion
H01H 33/66207
Housings or protective screens: specific housing details, e.g. sealing, soldering or brazing

Family

Application62/863,460Us provisional application · filed 19 Jun 2019
US 2020/0402752 A1Pre-grant publication · published 24 Dec 2020
US 11,152,174 B2This patent

From the US filing history. Foreign family members aren’t listed.

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