US1301636A - High-voltage-current transformer. - Google Patents

High-voltage-current transformer. Download PDF

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Publication number
US1301636A
US1301636A US12834016A US12834016A US1301636A US 1301636 A US1301636 A US 1301636A US 12834016 A US12834016 A US 12834016A US 12834016 A US12834016 A US 12834016A US 1301636 A US1301636 A US 1301636A
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United States
Prior art keywords
tube
voltage
winding
current transformer
conductor
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Expired - Lifetime
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US12834016A
Inventor
Lyman Arnold
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General Electric Co
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General Electric Co
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Priority to US12834016A priority Critical patent/US1301636A/en
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Publication of US1301636A publication Critical patent/US1301636A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/027Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards

Description

L. ARNOLD.
HIGH VOLTAGE CURRENT TRANSFORMER.
APPLICATION FILED ocT. 28. 1915.
1 ,301 ,636, Patented Apr. 22, 1919.
Inventor": Lyman JTrnold byw- HIS JIt, orneg.
UNITED STATES PATENT OFFICE.
LYMAN ARNOLD, OF LYNN, MASSACHUSETTS, ASSIGNOR TO GENERAL ELECTRIC COMPANY, A CORPORATION OF NEW YORK.
HIGH-VOLTAGE-CURRENT TRANSFORMER.
Application filed October 28, 1916.
To all whom it may concern:
Be it known that I, LYMAN ARNOLD, a citizen of the United States, residing at Lynn, county of Essex, State of Massachusetts, have invented certain new and useful Improvements in High-Voltage-Current Transformers, of which the following is a specification.
My invention relates to a high voltage transformer, particularly a high voltage current transformer, and has for its object the provision of a simple, cheap and eflicient device of this character.
For a fuller understanding of my invention, reference may be had to the accompanying drawing, the single figure of which is a perspective view, partly in section, showing one embodiment of my invention.
Referring now to the drawing, 10 is a tube or sleeve of suitable insulating material, such as porcelain. The middle of the tube is surrounded at 11 by the transformer core carrying the low voltage secondary coil which is held concentric with the tube 10 by means of spacing blocks 12. This arrangement of the core and secondary winding wherein the secondary conductor is laid parallel to the core axle, is well known. The tube is carried by a suitable support 13 the upper end of which is preferably formed with a cylindrical portion 14 surrounding the secondary coil which is kept concentric with the cylindrical portion lt by means of spacing blocks 15. A number of turns of a conductor 16 are threaded through the tube 10 and constitute the high voltage primary winding, the portions of the conductor which are connected to or constitute the line conductor being designated by the numerals 17 and 18. The exterior portion 19 of the loop of the conductor 16 is carried by supports 20 which maintain the external loop spaced from the portion of the winding inside the tube and from the winding 11. The lower ends of the supports 20 directly clamp the ends of the tube 10 and may, if desired, be
copies of this patent may be obtained for Specification of Letters Patent.
Patented Apr. 22, 1919.
Serial No. 128,340.
bent directly around the tube, or as shown a second clamping piece 21 may be provided. The upper ends of the supports 20 are also formed with loops 22 which embrace suitable bushings 28 through which the conductor 16 is threaded.
It will be apparent that since one end of each support 20 is carried by an end of the insulating tube 10, the supports 20 may be formed of metal. The tube 10 not only in sulates the interior portions, but also the exterior portions, of the conductor 16 from the secondary winding and the support 18. The entire structure is simple, cheap and eflicient.
In accordance with the provisions of the patent statutes, I have described the principle of operation of my invention, together with the apparatus which I now consider to represent the best embodiment thereof; but I desire to have it understood that the apparatus shown is only illustrative, and that the invention can be carried out by other means.
lVhat I claim as new and desire to secure by Letters Patent of the United States, is
1. An electrical device comprising an insulating tube, a support for said tube, a winding threaded through said tube, and supports for the exterior loop of said winding mounted on the ends of said tube.
2. An electrical device comprisin an insulating tube, a winding surroun ing the middle of said tube, a winding threaded through said tube, and a support for the exterior loop of said threaded winding carried by each end of said tube.
3. A current transformer comprising an insulating tube, a core surroundin the middle of said tube, a support for said core and winding near the middle of the tube, a sec ondary winding about said core, a primary winding threaded through said tube, and a support for the exterior loop of said primary winding carried by each end of said tube.
In wltness whereof I have hereunto set my hand, this 26th day of October, 1916.
LYMAN ARNOLD.
five cents each, by addressing the Commissioner of l'atentl,
Washington, D. 0.
US12834016A 1916-10-28 1916-10-28 High-voltage-current transformer. Expired - Lifetime US1301636A (en)

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US12834016A US1301636A (en) 1916-10-28 1916-10-28 High-voltage-current transformer.

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US12834016A US1301636A (en) 1916-10-28 1916-10-28 High-voltage-current transformer.

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491169A (en) * 1945-06-06 1949-12-13 Gen Motors Corp Large throat portable welder
US2920297A (en) * 1955-04-28 1960-01-05 Ite Circuit Breaker Ltd Current transformer
US3368137A (en) * 1963-05-17 1968-02-06 Westinghouse Brake & Signal High current intensity rectifiers using bar-type conductors
US3441885A (en) * 1965-06-14 1969-04-29 Gen Electric High voltage current transformer having rigid secondary eye bolt and flexible primary cables in high voltage tank
US3562457A (en) * 1967-11-14 1971-02-09 Allis Chalmers Mfg Co Combined vacuum circuit breaker and current transformer device
WO1992003834A1 (en) * 1990-08-17 1992-03-05 Raychem Corporation High voltage isolation transformer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491169A (en) * 1945-06-06 1949-12-13 Gen Motors Corp Large throat portable welder
US2920297A (en) * 1955-04-28 1960-01-05 Ite Circuit Breaker Ltd Current transformer
US3368137A (en) * 1963-05-17 1968-02-06 Westinghouse Brake & Signal High current intensity rectifiers using bar-type conductors
US3441885A (en) * 1965-06-14 1969-04-29 Gen Electric High voltage current transformer having rigid secondary eye bolt and flexible primary cables in high voltage tank
US3562457A (en) * 1967-11-14 1971-02-09 Allis Chalmers Mfg Co Combined vacuum circuit breaker and current transformer device
WO1992003834A1 (en) * 1990-08-17 1992-03-05 Raychem Corporation High voltage isolation transformer

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