IP Library › Granted Patent US 12,230,451
Granted Patent B2
US 12,230,451 · App. 17/532,218 · Granted Feb 18, 2025

Power factor correction capacitors

Inventors: Robert M. Stockman (Palm Coast, FL); Richard W. Stockman (Ormond Beach, FL); Michael B. Tricano (Ormond Beach, FL); Jonathan Charles (Ormond Beach, FL)
Assignee: AmRad Manufacturing, LLC
H01G4/38H01G2/106H01G4/012H01G4/224H01G4/228H01G4/232H01G4/236H01G4/32
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Quick Facts
Patent No.
US 12,230,451
App. No.
17/532,218
Granted
Feb 18, 2025
Kind
B2
Abstract

An apparatus includes a case capable of receiving a plurality of capacitive elements, each capacitor element having at least two capacitors, and each capacitor having a capacitive value. The apparatus also includes a cover assembly with a peripheral edge secured to the case. The cover assembly includes, for each of the plurality of capacitive elements, a cover terminal that extends upwardly from the cover assembly generally at a central region of the cover assembly. Each cover terminal is connected to one of the at least two capacitors of the respective one of the plurality of capacitive elements. The cover assembly also includes, for each of the plurality of capacitive elements, a cover terminal that extends upwardly from the cover assembly at a position spaced apart from the cover terminal generally at the central region of the cover assembly.

Claims (29)

1. An apparatus comprising:

a case capable of receiving a plurality of capacitive devices, each capacitive device providing at least two capacitors, each capacitor having a capacitance value; and

a cover assembly with a peripheral edge secured to the case, the cover assembly comprising:

for each of the plurality of capacitive devices, a first cover terminal that extends upwardly from the cover assembly, wherein each first cover terminal is connected to one of the at least two capacitors of the respective one of the plurality of capacitive devices,

for each of the plurality of capacitive devices, a second cover terminal that extends upwardly from the cover assembly at a position spaced apart from the respective first cover terminal, wherein each second cover terminal is connected to another of the at least two capacitors for the respective one of the plurality of devices,

a common insulation barrier mounted to the cover assembly, wherein one first cover terminal extends through the common insulation barrier, the common insulation barrier includes barrier fins extending radially outwards, and

a separate insulation barrier mounted to the cover assembly, wherein one second cover terminal extends through the separate insulation barrier,

wherein the apparatus has a first KVAR value for the first cover terminal being disconnected from the second cover terminal.

2. The apparatus of claim 1 , wherein the at least two capacitors have equivalent capacitance values.

3. The apparatus of claim 1 , wherein the at least two capacitors provided by each of the plurality of capacitive devices have equivalent capacitance values.

4. The apparatus of claim 1 , wherein each of the capacitive devices are separately wound.

5. The apparatus of claim 1 , further comprising an insulating fluid in the case at least partially surrounding the plurality of capacitive devices.

6. The apparatus of claim 1 , wherein the first cover terminal has a first size and the second cover terminal has a second size, different from the first size.

7. The apparatus of claim 6 , wherein the first size is a first diameter and the second size is a second diameter.

8. The apparatus of claim 1 , wherein the plurality of capacitive devices are connected in a delta configuration.

9. The apparatus of claim 1 , wherein the at least two capacitors are connected in parallel by connecting the first cover terminal and the second cover terminal.

10. The apparatus of claim 1 , wherein the apparatus has a first KVAR value for the first cover terminal being disconnected from the second cover terminal, and, the apparatus has a second KVAR value for the first cover terminal being connected to the second cover terminal.

11. An apparatus comprising:

a case capable of receiving a plurality of capacitive devices, each capacitive device providing at least two capacitors, each capacitor having a capacitance value; and

a cover assembly with a peripheral edge secured to the case, the cover assembly comprising:

for each of the plurality of capacitive devices, a cover terminal that extends upwardly from the cover assembly generally at a central region of the cover assembly, wherein each cover terminal is connected to one of the at least two capacitors of the respective one of the plurality of capacitive devices,

for each of the plurality of capacitive devices, a cover terminal that extends upwardly from the cover assembly at a position spaced apart from the cover terminal generally at the central region of the cover assembly, wherein each cover terminal at the spaced apart position is connected to another of the at least two capacitors for the respective one of the plurality of devices,

a common insulation barrier mounted to the cover assembly, wherein one cover terminal that extends upwardly from the cover assembly generally at the central region of the cover assembly extends through the common insulation barrier, the common insulation barrier includes barrier fins extending radially outwards, and

a separate insulation barrier mounted to the cover assembly, wherein one cover terminal that extends upwardly from the cover assembly at the spaced apart position extends through the separate insulation barrier;

wherein the apparatus has a first KVAR value for the cover terminal that extends upwardly from the cover assembly generally at the central region of the cover assembly being disconnected from the cover terminal that extends upwardly from the cover assembly at the spaced apart position, and, the apparatus has a second KVAR value for the cover terminal that extends upwardly from the cover assembly generally at the central region of the cover assembly being connected to the cover terminal that extends upwardly from the cover assembly at the spaced apart position.

12. The apparatus of claim 11 , wherein the at least two capacitors have equivalent capacitance values.

13. The apparatus of claim 11 , wherein the at least two capacitors provided by each of the plurality of capacitive devices have equivalent capacitance values.

14. The apparatus of claim 11 , wherein each of the capacitive devices care separately wound.

15. The apparatus of claim 11 , further comprising an insulating fluid in the case at least partially surrounding the plurality of capacitive devices.

Assignments (6)
MERGER Recorded Jul 1, 2026
From: HVAC SOUTH, LLC
To: RECTORSEAL, LLC
Reel/Frame 075152/0810 →
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 Dec 19, 2022
From: STOCKMAN, ROBERT M.; STOCKMAN, RICHARD W.; TRICANO, MICHAEL B.; CHARLES, JONATHAN
To: AMERICAN RADIONIC COMPANY, INC.
Reel/Frame 062146/0738 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 19, 2022
From: AMERICAN RADIONIC COMPANY, INC.
To: AMRAD MANUFACTURING, LLC
Reel/Frame 062146/0763 →
Continuity (7)
Continuation 16207930 · Dec 3, 2018
Continuation 15705787 · Sep 15, 2017
Continuation 15276129 · Sep 26, 2016
Continuation 14663620 · Mar 20, 2015
Continuation 14283960 · May 21, 2014
Provisional Application 61825850 · May 21, 2013
Related Publication 20220336156A1 · Oct 20, 2022
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