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US4131329A Expired / Lapsed US ⏱️ 0.0 years remaining

Current interchange for a gas actuated bushing

Assignee: Cooper Power Acquisition Corp
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Filing: 1976-11-10
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Granted: 1978-12-26
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Expires: 1996-11-10
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Abstract

Abstract A high voltage bushing for an electrical device such as a transformer, the bushing including a fixed cylindrical conductor and a gas actuated bore contact mounted for reciprocal movement in the conductor and a fixed current interchange device in the form of an annular spring mounted in the conductor for maintaining electrical communication between the bore contact and the conductor.

Inventors

  • 👤 Richard P. Flatt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 20:37
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/46; H01R13/53; H01H; H01H1/00; H01H1/12; H01H1/36; H01H1/38; H01H1/385; H01H33/00; H01H33/02; H01H33/04; H01H33/045

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 91 words
An electrical connection comprising: a housing, an electrically conductive member extending through said housing, means for supporting said member in a fixed position in said housing, a bore contact mounted in said housing for reciprocal movement relative to said conductive member, and current interchange means electrically connected to and mounted on said conductive member in a position to encircle said bore contact and having an inside diameter smaller than the diameter of said bore contact for maintaining electrical communication between the outside surface of said bore contact and said conductive member.
Claim 2
Dependent Claim 91 words
An electrical connection comprising: a housing, an electrically conductive member extending through said housing, means for supporting said member in a fixed position in said housing, a bore contact mounted in said housing for reciprocal movement relative to said conductive member, and current interchange means electrically connected to and mounted on said conductive member in a position to encircle said bore contact and having an inside diameter smaller than the diameter of said bore contact for maintaining electrical communication between the outside surface of said bore contact and said conductive member.
Claim 3
Dependent Claim 35 words
The connector according to claim 1 wherein said supporting means comprises a bushing housing, said conductive member comprises a cylinder conductor and said contact comprises a gas actuated bore contact mounted within said cylindrical conductor.
Claim 4
Dependent Claim 15 words
The connector according to claim 2 wherein said current interchange means comprises a compression spring.
Claim 5
Dependent Claim 16 words
The connector according to claim 2 wherein said current interchange means comprises an annular compression spring.
Claim 6
Dependent Claim 19 words
The connector according to claim 2 wherein said cylindrical conductor includes means for limiting the movement of said contact.
Claim 7
Dependent Claim 116 words
In a gas actuated high voltage bushing having an electrically conductive member mounted therein and a bore contact-arc-snuffer assembly mounted in the bushing for movement relative to the conductive member into engagement with a probe in a terminator in response to the expansion of arc generated gases within the bushing, means for maintaining electrical communication with the bore contact comprising a current interchange element mounted on the conductive member in the bushing in a fixed position and having an inside diameter smaller than the outside diameter of the bore contact to maintain electrical communication with the outside surface of the bore contact on movement of the bore contact relative to the conductive member in the bushing.
Claim 8
Dependent Claim 116 words
In a gas actuated high voltage bushing having an electrically conductive member mounted therein and a bore contact-arc-snuffer assembly mounted in the bushing for movement relative to the conductive member into engagement with a probe in a terminator in response to the expansion of arc generated gases within the bushing, means for maintaining electrical communication with the bore contact comprising a current interchange element mounted on the conductive member in the bushing in a fixed position and having an inside diameter smaller than the outside diameter of the bore contact to maintain electrical communication with the outside surface of the bore contact on movement of the bore contact relative to the conductive member in the bushing.
Claim 9
Dependent Claim 13 words
The bushing according to claim 6 wherein said member is a compression spring.
Claim 10
Dependent Claim 13 words
The bushing according to claim 6 wherein said member is an annular spring.
Claim 11
Dependent Claim 21 words
The bushing according to claim 8 wherein means are provided for protecting the annular spring from impact from the bore contact.
Claim 12
Dependent Claim 88 words
In a high voltage bushing which is adapted to be mounted on an electrical device to provide electrical communication between operative components within said device and a probe in a high voltage cable terminator, the bushing comprising; a housing, an electrical conductor extending through said housing, a gas actuated bore contact slidably disposed in said housing, and means on said conductor for maintaining a positive electrical connection between said conductor and the outside surface of said bore contact on movement of said contact with respect to said conductor.
Claim 13
Dependent Claim 88 words
In a high voltage bushing which is adapted to be mounted on an electrical device to provide electrical communication between operative components within said device and a probe in a high voltage cable terminator, the bushing comprising; a housing, an electrical conductor extending through said housing, a gas actuated bore contact slidably disposed in said housing, and means on said conductor for maintaining a positive electrical connection between said conductor and the outside surface of said bore contact on movement of said contact with respect to said conductor.
Claim 14
Dependent Claim 14 words
The bushing according to claim 10 wherein said electrically connecting means comprises a spring.
Claim 15
Dependent Claim 28 words
The bushing according to claim 10 wherein said electrical connecting means comprises an annular compression spring having an inside diameter smaller than the diameter of said bore contact.
Claim 16
Dependent Claim 91 words
A high voltage bushing comprising; a housing having an axially extending bore, an electrically conductive cylinder positioned in a fixed position in said bore and closing one end of said bore, an arc snuffer bore contact assembly slidably mounted in said bore and extending partially into said cylinder, said snuffer-contact assembly being movable in response to arc-generated gases in said housing, and spring means fixedly mounted in said cylinder for maintaining electrical engagement with the outside surface of said bore contact on movement of said bore contact relative to said cylinder.
Claim 17
Dependent Claim 91 words
A high voltage bushing comprising; a housing having an axially extending bore, an electrically conductive cylinder positioned in a fixed position in said bore and closing one end of said bore, an arc snuffer bore contact assembly slidably mounted in said bore and extending partially into said cylinder, said snuffer-contact assembly being movable in response to arc-generated gases in said housing, and spring means fixedly mounted in said cylinder for maintaining electrical engagement with the outside surface of said bore contact on movement of said bore contact relative to said cylinder.
Claim 18
Dependent Claim 14 words
The bushing according to claim 13 wherein said spring means comprises a compression spring.
Claim 19
Dependent Claim 63 words
An electrical connection comprising: a cylindrical conductor, a bushing housing for supporting said conductor in a fixed position, a gas actuated bore contact mounted for reciprocal movement within said conductor and an annular compression spring mounted in said conductor and having an inside diameter smaller than the outside diameter of said bore contact for maintaining electrical communication between said contact and said conductor.
Claim 20
Dependent Claim 63 words
An electrical connection comprising: a cylindrical conductor, a bushing housing for supporting said conductor in a fixed position, a gas actuated bore contact mounted for reciprocal movement within said conductor and an annular compression spring mounted in said conductor and having an inside diameter smaller than the outside diameter of said bore contact for maintaining electrical communication between said contact and said conductor.
Claim 21
Dependent Claim 98 words
A high voltage bushing comprising: a housing having an axially extending bore, an electrically conductive cylinder positioned in a fixed position in said bore and closing one end of said bore, an arc snuffer bore contact assembly slidably mounted in said bore and extending partially into said cylinder, said snuffer contact assembly being movable in response to arc generated gases in said housing, and a compression spring fixedly mounted in said cylinder for electrically engaging said bore contact, said spring being formed into a ring having an inside diameter smaller than the outside diameter of the bore contact.
Claim 22
Dependent Claim 98 words
A high voltage bushing comprising: a housing having an axially extending bore, an electrically conductive cylinder positioned in a fixed position in said bore and closing one end of said bore, an arc snuffer bore contact assembly slidably mounted in said bore and extending partially into said cylinder, said snuffer contact assembly being movable in response to arc generated gases in said housing, and a compression spring fixedly mounted in said cylinder for electrically engaging said bore contact, said spring being formed into a ring having an inside diameter smaller than the outside diameter of the bore contact.

References Cited (Backward Citations)

US3587035A Cited
US3945699A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-12-25 1982-06-26 1982-12-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-12-25 1986-06-26 1986-12-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-12-25 1990-06-26 1990-12-26 $7700.00 Window Closed / Lapsed

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