IP Library › Granted Patent US 12,260,998
Granted Patent B2
US 12,260,998 · App. 18/325,526 · Granted Mar 25, 2025

Capacitor with multiple elements for multiple replacement applications

Inventor: Robert M. Stockman (Palm Coast, FL)
Assignee: AmRad Manufacturing, LLC
H01G5/38H01G2/24H01G4/228H01G4/232H01G4/236H01G4/32H01G4/38H01G4/385H01G5/01H01G5/011H01G5/014
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Quick Facts
Patent No.
US 12,260,998
App. No.
18/325,526
Granted
Mar 25, 2025
Kind
B2
Abstract

A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal. A pressure interrupter cover assembly is sealingly secured to the open end of case for the elements and has a deformable cover with a centrally mounted common cover terminal and a plurality of section cover terminals mounted at spaced apart locations. A conductor frangibly connects the common element terminal of the capacitor section to the common cover terminal and conductors respectively frangibly connect the capacitor section terminals to the section cover terminals. Deformation of the cover caused by failure of the capacitor element breaks at least some of the frangible connections sufficient to disconnect the capacitive element from an electric circuit in which it is connected. A cover insulation barrier mounted on the deformable cover, has a barrier cup substantially surrounding the common cover terminal and a plurality of barrier fins each extending radially outwardly from the barrier cup, and deployed between adjacent section cover terminals.

Claims (36)

1. An apparatus suitable for use in an air-conditioning system and configured to provide a plurality of selectable capacitance values, the apparatus comprising:

at least three capacitive devices housed in a case, each of the at least three capacitive devices providing at least one capacitance value, each of the at least three capacitive devices having a first capacitor terminal and a second capacitor terminal;

a cover assembly comprising:

a deformable cover mountable to the case;

at least three capacitor cover terminals, each of the at least three capacitor cover terminals corresponding to one of the at least three capacitive devices and each having at least one contact extending from the deformable cover, wherein the deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the at least three capacitive devices;

at least three insulation structures, wherein each of the at least three insulation structures is configured to provide insulation for at least one of the at least three capacitor cover terminals; and

a common cover terminal having four contacts extending from the deformable cover, wherein the four contacts form a square-shaped arrangement;

at least three conductors, wherein each of the at least three conductors is configured to electrically connect one of the at least three capacitor cover terminals to the corresponding capacitive device; and

at least three frangible connections, wherein each of the at least three frangible connections is configured to electrically connect one of the capacitor cover terminals to the corresponding capacitive device, wherein at least one of the three frangible connections is broken when the deformable cover deforms.

2. The apparatus of claim 1 , wherein the at least three capacitive devices correspond to at least three capacitor sections of a single wound capacitive element.

3. The apparatus of claim 1 , wherein the at least three capacitive devices are each separately wound.

4. The apparatus of claim 1 , wherein the combined capacitance value of the at least three capacitive devices is about 17.5, 45, 50, 60, 65, or 85 microfarads.

5. The apparatus of claim 1 , wherein selective connections of the capacitor cover terminals corresponding to the capacitive devices provide a plurality of operable capacitance values.

6. The apparatus of claim 1 , wherein a first one of the at least three capacitive devices has a capacitance value of about 2.5 microfarads and a second one of the at least three capacitive devices has a capacitance value of about 5 microfarads.

7. The apparatus of claim 1 , wherein a first one of the at least three capacitive devices has a capacitance value of about 5 microfarads and a second one of the at least three capacitive devices has a capacitance value of about 10 microfarads.

8. The apparatus of claim 1 , wherein a first one of the at least three capacitive devices has a capacitance value of about 5 microfarads and a second one of the at least three capacitive devices has a capacitance value of about 25 microfarads.

9. The apparatus of claim 1 , wherein the at least three of insulation structures are colored.

10. The apparatus of claim 1 , wherein the at least three of insulation structures are differently colored.

11. An apparatus suitable for use in an air-conditioning system and configured to provide a plurality of selectable capacitance values, the apparatus comprising:

at least four capacitive devices housed in a case, each of the at least four capacitive devices providing at least one capacitance value, each of the at least four capacitive devices having a first capacitor terminal and a second capacitor terminal;

a cover assembly comprising:

a deformable cover mountable to the case;

at least four capacitor cover terminals, each of the at least four capacitor cover terminals corresponding to one of the at least four capacitive devices and each having at least one contact extending from the deformable cover, wherein the deformable cover is configured to displace at least one of the at least four capacitor cover terminals upon an operative failure of at least one of the at least four capacitive devices;

at least four insulation structures, wherein each of the at least four insulation structures is configured to provide insulation for at least one of the at least four capacitor cover terminals; and

a common cover terminal having four contacts extending from the deformable cover, wherein the four contacts form a square-shaped arrangement;

at least four conductors, wherein each of the at least four conductors is configured to electrically connect one of the capacitor cover terminals to the corresponding capacitive device; and

at least four frangible connections, wherein each of the at least four frangible connections is configured to electrically connect one of the capacitor cover terminals to the corresponding capacitive device, wherein at least one of the four frangible connections is broken when the deformable cover deforms.

12. The apparatus of claim 11 , wherein the at least four capacitive devices correspond to at least four capacitor sections of a single wound capacitive element.

13. The apparatus of claim 11 , wherein the at least four capacitive devices are each separately wound.

14. The apparatus of claim 11 , wherein the combined capacitance value of the at least four capacitive devices is about 45, 50, 60, 65, or 85 microfarads.

15. The apparatus of claim 11 , wherein selective connections of the capacitor cover terminals corresponding to the capacitive devices provide a plurality of operable capacitance values.

16. The apparatus of claim 11 , wherein a first one of the at least four capacitive devices has a capacitance value of about 2.5 microfarads and a second one of the at least four capacitive devices has a capacitance value of about 5 microfarads.

17. The apparatus of claim 11 , wherein a first one of the at least four capacitive devices has a capacitance value of about 5 microfarads and a second one of the at least four capacitive devices has a capacitance value of about 10 microfarads.

18. The apparatus of claim 11 , wherein a first one of the at least four capacitive devices has a capacitance value of about 5 microfarads and a second one of the at least four capacitive devices has a capacitance value of about 25 microfarads.

19. The apparatus of claim 11 , wherein the at least four of insulation structures are colored.

20. The apparatus of claim 11 , wherein the at least four of insulation structures are differently colored.

Assignments (6)
MERGER Recorded Jun 30, 2026
From: HVAC SOUTH, LLC
To: RECTORSEAL, LLC
Reel/Frame 075142/0105 →
SECURITY INTEREST Recorded Nov 6, 2025
From: HVAC SOUTH, LLC
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 073482/0908 →
CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NUMBERS 15969608 TO 15989608 AND 16161205 TO 16171205 PREVIOUSLY RECORDED ON REEL 71738 FRAME 759. ASSIGNOR(S) HEREBY CONFIRMS THE CONFIRMATORY ASSIGNMENT. Recorded Oct 2, 2025
From: AMRAD MANUFACTURING, LLC
To: HVAC SOUTH, LLC
Reel/Frame 073080/0923 →
CONFIRMATORY ASSIGNMENT Recorded May 13, 2025
From: AMRAD MANUFACTURING, LLC
To: HVAC SOUTH, LLC
Reel/Frame 071738/0759 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 21, 2023
From: AMERICAN RADIONIC COMPANY, INC.
To: AMRAD MANUFACTURING, LLC
Reel/Frame 064010/0681 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 21, 2023
From: STOCKMAN, ROBERT M.
To: AMERICAN RADIONIC COMPANY, INC.
Reel/Frame 064049/0368 →
Continuity (11)
Continuation 16677375 · Nov 7, 2019
Continuation 16041574 · Jul 20, 2018
Continuation 15193592 · Jun 27, 2016
Continuation 14499747 · Sep 29, 2014
Continuation 13966593 · Aug 14, 2013
Continuation 13043794 · Mar 9, 2011
Continuation 12283297 · Sep 9, 2008
Continuation 11399785 · Apr 7, 2006
Continuation In Part 11317700 · Dec 23, 2005
Provisional Application 60669712 · Apr 7, 2005
Related Publication 20230307189A1 · Sep 28, 2023
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