Universal power connector for joining flexible cables to rigid devices in any of many configurations

• US 6,364,216 B1
• Filed: 02/20/2001
• Issued: 04/02/2002
• Est. Priority Date: 02/20/2001
• Status: Expired due to Term

• Current Assignee: G&W Electric Company
• Original Assignee: G&W Electric Company
• Inventors: Martin, Donald R.
• Primary Examiner(s): Patel, Tulsidas
• Application Number:
  US09/788,877
• Time in Patent Office: 406 Days
• Field of Search: 439/181, 439/183, 439/801, 439/921, 439/507
• US Class Current: 439/181
• CPC Class Codes: H01R 13/53 Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
• CPC Class Codes: Y10S 439/921 Transformer bushing type or high voltage underground connector

Abstract

A connector having an elongated, multi-chamber, corrosion resistant, insulating, plastic housing provides for connecting a flexible power cable to equipment associated with a fixed device. One end of the housing is bolted to the fixed device. The opposite end and a central location of the housing have entrances for receiving bushings that may have a flexible power cable connected thereto. A floating adapter bushing is located between the busing and a recess in order to accommodate thermal expansion and contraction which may occur between equipment carrying the adapter and recess. The housing may include a vacuum interrupter or other suitable device. A plurality of the housings may be stacked together in order to provide for making combinations of selected parts and cables on a basis of unique requirements at a specific location.

Claims

1. An electrical power connector for connecting a flexible power cable to a fixed device, said connector comprising:

a housing made of insulating material and having an open end and at least one entrance remote from said open end, means associated with said open end for securing said insulated housing to a fixed device,

a conductive part at said entrance of said housing, said conductive part having a recess therein,

a bushing adapted to be attached to the entrance of said housing for making an electrical connection between said conductive part and an external flexible cable,

a bridging adapter for electrically connecting said flexible cable to said conductive part, said bridging adapter being adapted for sliding movement in said recess when said bushing is attached to said entrance in order to accommodate expansion and contraction caused by temperature changes; and

means for completing an electrical connection between said conductive part at said entrance and another part associated with said fixed device.

2. The power connector of claim 1 wherein there are at least two of said entrances to said housing with a conductive metal part in each entrance and with a bushing connected to each of said entrances.

3. The power connector of claim 1 wherein there are a plurality of said electrical power connectors and means comprising a conductive bus bar for interconnecting a pair of said connectors, said conductive bus bar being connected between said bushing and said metal part on each of said pair of connectors.

4. The electrical power connector of claim 1 wherein there are a plurality of said entrances and said metal parts with an associated one of said metal parts at each entrance, one of said entrances being centrally located in said housing, said metal part at said central entrance having a tulip jack connected thereto, said jack being in the form of a cylinder of fingers for receiving a plug on an associated part enclosed within said housing.

5. The elctrical power connector of claim 4 wherein said associated part is selected from the group consisting of switches, transformers, fuses and transducers.

6. The electrical power connector of claim 1 wherein a thin device made of conductive material and having fins surrounds the bridging adapter to insure good electrical contact between said bridging adapter and said recess as said bridging contact slides in said recess.

7. A high voltage power connector comprising a plurality of bushings, a multi-chamber, elongated housing made of a corrosion resistant and electrically insulating material, one end of said elongated housing having means for attaching said housing to a fixed surface, each of an opposite end and a central section of said elongated housing having an entrance containing a conductive part for making an electrical connection with an associated one of said bushings, each of said conductive parts having a recess with a bridging adapter for making an electrical contact between said conductive part and its associated bushing, said bridging adapter being adapted for sliding in said recess when said bushings are attached to said housing for accommodating expansions/ contractions caused by temperature changes, and a jack formed in association with said conductive part at one of said entrances, said jack being adapted to receive a plug of an object inserted into said housing.

8. The high voltage connector of claim 7 and means for electrically inter-connecting a plurality of said housings by a bus bar coupled between an associated one of said conductive parts and its associated bushing on each of said housings.

9. The high voltage connector of claim 8 and a cup-shaped spacer member having a stem extending through an opening in said bus bar, one of said bridging adapters being coupled to said stem for capturing said bus bar between said cup-shaped spacer member and said one bridging adapter, said one bridging adapter sliding in a recess on one of said conductive parts, and a second bridging adapter associated with said associated bushing and sliding in said cup of said cup-shaped spacer member.

10. The high voltage connector of claim 7 and a stacked plurality of said housings joined together by attaching an entrance on one of said housings to an entrance on another of said housings.

11. The connector of claim 10 wherein said stacked housings are joined at different angles relative to each other in order to accept wires incoming from different directions.

12. The high voltage connector of claim 11 including equipment in at least some of said chambers of said housing, said equipment being selected from the group consisting of switches, transformers, fuses and transducers.

13. An electrical connector for joining two devices where there are temperature caused expansions/contractions, said connector comprising first conductive means having a joining stud attached thereto, a bridging adapter attached to said joining stud, second conductive means having a recess in which said bridging connector may slide, said bridging adapter being adapted for sliding in said recess when said first conductive means is attached to said second conductive means for accommodating expansions/contractions and a thin resilient metal part removably fitting over said adapter for making an electrical contact between said adapter and an interior wall of said recess.

15. The connector of claim 13 wherein said first conductive means is a bushing and said second conductive member is an electrical conductive part at an entrance to a connector housing.

14. An electrical connector for joining two devices where there are temperature caused expansions/contractions, said connector comprising first conductive means having a joining stud attached thereto, a multi-contact bridging adapter attached to said joining stud, second conductive means having a recess in which said multi-contact bridging connector may slide, and a thin resilient metal part fitting over said adapter for making an electrical contact between said adapter and an interior wall of said recess wherein said conductive means is a cup-shaped member having a stem, said recess being formed at the interior of said cup shape, a second multi-contact adapter attached to said stem of said cup-shaped member, second means having a recess therein for slidingly receiving said second multi-contact adapter and a thin resilient metal part fitting over said second multi-contact adapter for making an electrical contact between said second adapter and the interior wall of said cup shape.

16. An electrical connector for joining two devices where there are temperature caused expansions/contractions, said connector comprising first conductive means having a joining stud attached thereto, a multi-contact bridging adapter attached to said joining stud, second conductive means having a recess in which said multi-contact bridging connector may slide, and a thin resilient metal part fitting over said adapter for making an electrical contact between said adapter and an interior wall of said recess;

wherein said first conductive means is a bushing and said second conductive means is a cup-shaped spacer, and a busbar, said spacer providing a location for receiving said busbar in order to take power from said bushing.

17. An electrical power connector for connecting a flexible power cable to a fixed device, said connector comprising:

a housing made of insulating material and having an open end and at least one entrance remote from said open end, means associated with said open end for securing said insulated housing to a fixed device;

a conductive part at said entrance of said housing, said conductive part having a recess therein;

a bushing adapted to be attached to the entrance of said housing for making an electrical connection between said conductive part and a flexible cable;

a bridging adapter for electrically connecting said conductive part with said bushing, said bridging adapter being adapted for sliding movement in said recess when said bushing is attached to said entrance in order to accommodate expansion and contraction caused by temperature changes;

an elastomeric gasket disposed between said entrance of said housing and said bushing; and

a means for completing an electrical connection between said conductive part and said fixed device.

18. An electrical power connector for connecting a flexible power cable to a fixed device, said connector comprising:

a housing made of insulating material and having an open end and at least one entrance remote from said open end, means associated with said open end for securing said insulated housing to a fixed device;

a conductive part at said entrance of said housing, said conductive part having a recess therein;

a bushing adapted to be attached to the entrance of said housing for making an electrical connection between said conductive part and an external flexible cable;

an elastomeric gasket disposed between the entrance of said housing and said bushing;

a bridging adapter for electrically connecting said bushing to said conductive part; and

a means for completing an electrical connection between said conductive part and said fixed device.

19. An electrical power connector for connecting a flexible power cable to a fixed device, said connector comprising:

a housing made of insulating material and having an open end and at least one entrance remote from said open end, means associated with said open end for securing said insulated housing to a fixed device, said housing having at least one chamber suitable for accommodating other devices;

a conductive part at said entrance of said housing, said conductive part having a recess therein;

a bushing adapted to be attached to the entrance of said housing for making an electrical connection between said conductive part and an external flexible cable;

a bridging adapter for electrically connecting said bushing to said conductive part;

a means for completing an electrical connection between said conductive part and said fixed device; and

equipment disposed in said at least one of said chamber of said housing, said equipment being selected from the group consisting of switches, transformers, fuses and transducers.

20. An electrical power connector for connecting a flexible power cable to a fixed device, said connector comprising:

a housing made of insulating material and having an open end and at least one entrance remote from said open end, means associated with said open end for securing said insulated housing to a fixed device, said housing having at least one chamber suitable for accommodating other devices;

a conductive part at said entrance of said housing, said conductive part having a recess therein;

a bushing adapted to be attached to the entrance of said housing for making an electrical connection between said conductive part and an external flexible cable;

a means for completing an electrical connection between said conductive part and said fixed device; and

a bridging adapter for electrically connecting said bushing to said conductive part, said bridging adapter being adapted for sliding movement in said recess when said bushing is attached to said entrance in order to accommodate expansion and contraction caused by temperature changes;

an elastomeric gasket disposed between said entrance of said housing and said bushing;

a jack operatively associated with said conductive part, said jack being adapted to receive a plug of an object inserted into said housing.

21. The electrical connector of claim 20 further comprising a thin resilient metal part removably fitting over said bridging adapter for making an electrical contact between said adapter and said conductive part.

22. The electrical connector of claim 20 further comprising equipment disposed in said at least one chamber, said equipment being selected from the group consisting of switches, transformers, fuses and transducers.