IP Library › Granted Patent US 7,911,319
Granted Patent B2
US 7,911,319 · App. 12/026,939 · Granted Mar 22, 2011

Resistor, and method for making same

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Quick Facts
Patent No.
US 7,911,319
App. No.
12/026,939
Granted
Mar 22, 2011
Kind
B2
Abstract

A resistor includes a substantially cylindrical resistive element having a resistance of less than about 1 mΩ, a substantially cylindrical first termination electrically connected to the resistive element and a second termination electrically connected to the resistive element. The substantially cylindrical first termination is hollow to allow for accepting a connection such as from a battery cable. In addition there may be sense leads present on the resistor. A method of forming a substantially cylindrical resistor includes forming a hollow cylindrical resistor body by rolling a flat sheet comprising a resistive element and a first termination and a second termination joined on opposite ends of the resistive element.

Claims (31)

1. A resistor comprising:

a resistive element;

a substantially cylindrical first termination electrically connected to the resistive element;

a second termination electrically connected to the resistive element; and

wherein the resistive element, first termination and second termination are formed of a flat sheet rolled into a hollow and substantially cylindrical resistor body, the resistive material forming a band that curves around a circumference of the resistor body, and wherein at least the first termination forms a conductive tube configured for axial connection to the cable.

2. The resistor of claim 1 further comprising a first sense lead electrically connected to the first termination and a second sense lead electrically connected to the second termination.

3. The resistor of claim 1 comprising at least one slot formed in the first termination to define a sense terminal.

4. The resistor of claim 3 further comprising at least one slot in the resistive element or the first termination to facilitate roll forming.

5. The resistor of claim 1 wherein the resistive element is a metal strip.

6. The resistor of claim 1 wherein the first termination comprises a first conductive tube and wherein the second termination comprises a second conductive tube.

7. The resistor of claim 1 comprising at least one slot formed in the first termination to facilitate crimping to the cable.

8. The resistor of claim 1 wherein the second termination includes a flat terminal area.

9. The resistor of claim 8 further comprising an aperture in the flat terminal area.

10. The resistor of claim 1 wherein a fluid or gas is circulated through the resistor to control temperature of the resistive element.

11. A method of forming a resistor configured for axial connection to a cable, the method comprising:

providing a resistive element disposed between a first termination and a second termination, wherein the resistive element, first termination and second termination are formed of a flat sheet; and

rolling the flat sheet to form a hollow and substantially cylindrical resistor body, wherein the resistive material forms a band that curves around a circumference of the resistor body, and wherein at least the first termination forms a conductive tube configured for axial connection to the cable.

12. The method of claim 11 wherein the resistive element has a resistance of less than 1 mΩ.

13. The method of claim 11 further comprising adjusting resistance of the resistor by cutting the resistive element.

14. The method of claim 11 further comprising adjusting resistance of the resistor by adding material to the resistor body.

15. The method of claim 14 wherein the material is additional resistive material.

16. The method of claim 14 wherein the material is additional termination material.

17. The method of claim 11 further comprising cutting slots in the flat sheet to facilitate rolling.

18. The method of claim 11 further comprising attaching sense leads to the resistor body.

19. A resistor, comprising:

a resistive element;

a first termination electrically connected to the resistive element;

a second termination electrically connected to the resistive element;

wherein the resistive element, first termination and second termination are formed of a flat sheet rolled into a hollow and substantially cylindrical resistor body, the resistive material forming a band that curves around a circumference of the resistor body;

a first sense lead electrically connected to the resistive element; and

a second sense lead electrically connected to the resistive element.

Assignments (8)
RELEASE OF SECURITY INTEREST Recorded Jul 17, 2019
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: VISHAY DALE ELECTRONICS, INC.; DALE ELECTRONICS, INC.; VISHAY DALE ELECTRONICS, LLC; VISHAY-DALE
Reel/Frame 049772/0898 →
RELEASE OF SECURITY INTEREST Recorded Jul 17, 2019
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: VISHAY DALE ELECTRONICS, INC.; DALE ELECTRONICS, INC.; VISHAY INTERTECHNOLOGY, INC.; SILICONIX INCORPORATED; VISHAY SPRAGUE, INC.; VISHAY TECHNO COMPONENTS, LLC; VISHAY EFI, INC.; VISHAY VITRAMON, INC.; SPRAGUE ELECTRIC COMPANY
Reel/Frame 049826/0312 →
SECURITY INTEREST Recorded Jun 12, 2019
From: VISHAY DALE ELECTRONICS, INC.; DALE ELECTRONICS, INC.; VISHAY DALE ELECTRONICS, LLC; VISHAY-DALE, INC.; VISHAY INTERTECHNOLOGY, INC.; SILICONIX INCORPORATED; VISHAY-SILICONIX, INC.; VISHAY-SILICONIX; VISHAY SPRAGUE, INC.; VISHAY EFI, INC.; SPRAGUE ELECTRIC COMPANY; VISHAY GENERAL SEMICONDUCTOR, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 049440/0876 →
SECURITY AGREEMENT Recorded Dec 10, 2015
From: VISHAY DALE ELECTRONICS, LLC
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 037261/0616 →
CHANGE OF NAME Recorded Nov 9, 2015
From: VISHAY DALE ELECTRONICS, INC.
To: VISHAY DALE ELECTRONICS, LLC
Reel/Frame 037070/0691 →
SECURITY AGREEMENT Recorded Jan 21, 2011
From: VISHAY INTERTECHNOLOGY, INC.; VISHAY DALE ELECTRONICS, INC.; SILICONIX INCORPORATED; VISHAY SPRAGUE, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 025675/0001 →
RELEASE OF SECURITY INTEREST Recorded Dec 14, 2010
From: COMERICA BANK, AS AGENT, A TEXAS BANKING ASSOCIATION (FORMERLY A MICHIGAN BANKING CORPORATION)
To: VISHAY SPRAGUE, INC., SUCCESSOR-IN-INTEREST TO VISHAY EFI, INC. AND VISHAY THIN FILM, LLC, A DELAWARE CORPORATION; VISHAY DALE ELECTRONICS, INC., A DELAWARE CORPORATION; VISHAY INTERTECHNOLOGY, INC., A DELAWARE CORPORATION; SILICONIX INCORPORATED, A DELAWARE CORPORATION; VISHAY MEASUREMENTS GROUP, INC., A DELAWARE CORPORATION; VISHAY GENERAL SEMICONDUCTOR, LLC, F/K/A GENERAL SEMICONDUCTOR, INC., A DELAWARE LIMITED LIABILITY COMPANY; VISHAY VITRAMON, INCORPORATED, A DELAWARE CORPORATION; YOSEMITE INVESTMENT, INC., AN INDIANA CORPORATION
Reel/Frame 025489/0184 →
SECURITY AGREEMENT Recorded Mar 2, 2010
From: VISHAY SPRAGUE, INC., SUCCESSOR IN INTEREST TO VISHAY EFI, INC. AND VISHAY THIN FILM, LLC; VISHAY DALE ELECTRONICS, INC.; VISHAY INTERTECHNOLOGY, INC.; SILICONIX INCORPORATED; VISHAY MEASUREMENTS GROUP, INC.
To: COMERICA BANK, AS AGENT
Reel/Frame 024006/0515 →