IP Library › Granted Patent US 12,224,131
Granted Patent B1
US 12,224,131 · App. 18/323,147 · Granted Feb 11, 2025

Hard start kit for multiple replacement applications

Inventor: Richard W. Stockman (Ormond Beach, FL)
Assignee: AmRad Manufacturing, LLC
H01G4/32H01G4/232H01G4/236H01G4/38H01G5/38H02P1/44H02P1/445
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Quick Facts
Patent No.
US 12,224,131
App. No.
18/323,147
Granted
Feb 11, 2025
Kind
B1
Abstract

A hard start capacitor replacement unit has a plurality of capacitors in a container sized to fit in existing hard start capacitor space. The capacitors are 4 metallized film capacitors wound in a single cylindrical capacitive element. The container has a common terminal and capacitors value terminals for the plurality of capacitors, which may be connected singly or in combination to provide a selected capacitance. An electronic or other relay connects the selected capacitance in parallel with a motor run capacitor. The hard start capacitor replacement unit is thereby adapted to replace a wide variety of hard start capacitors.

Claims (38)

1. An apparatus comprising:

a container capable of receiving a plurality of capacitive devices, each of the capacitive devices having a first capacitor terminal and a second capacitor terminal;

a cover mountable to the container, the cover comprising:

a common cover terminal having at least one contact extending from the cover;

a plurality of capacitor cover terminals, each of the plurality of capacitor cover terminals having at least one contact extending from the cover; and

a plurality of insulation structures, each insulation structure associated with one of the plurality of capacitor cover terminals;

a plurality of first conductors, each first conductor electrically connectable to one of the first capacitor terminals of the plurality of capacitive devices and one of the plurality of capacitor cover terminals;

a second conductor electrically connectable to each of the second capacitor terminals of the plurality of capacitive devices and the common cover terminal; and

a relay having contacts and being capable of opening said contacts in response to a condition,

wherein the relay is sized to fit above the container and to fit within a cylindrical envelope being projected from the container, and wherein the relay sized to fit within the cylindrical envelope being projected from the container is coverable by a cap of the container.

2. The apparatus of claim 1 , wherein one of the contacts of the relay is electrically connectable a common terminal of a motor.

3. The apparatus of claim 1 , wherein each of the plurality of capacitive devices is provided by a section of a wound capacitive element.

4. The apparatus of claim 1 , wherein each of the plurality of capacitive devices comprises a metalized film capacitor.

5. The apparatus of claim 1 , wherein four capacitors are provided in the apparatus.

6. The apparatus of claim 5 , wherein the four capacitors have capacitance values of about 48 microfarads, about 48 microfarads, about 88 microfarads, and about 112 microfarads, respectively.

7. The apparatus of claim 1 , wherein the common cover terminal is centered on the cover.

8. The apparatus of claim 1 , further comprising an insulation barrier separating the capacitor cover terminals and the common cover terminal.

9. The apparatus of claim 1 , wherein the relay is an electronic relay.

10. The apparatus of claim 1 , wherein the relay is a control relay or a potential relay.

11. The apparatus of claim 1 , wherein the apparatus is a hard start capacitor replacement unit adaptable to a plurality of motors.

12. The apparatus of claim 1 , wherein a plurality of capacitors is provided in the apparatus, the plurality of capacitors having a combined capacitance value of about 296 microfarads.

13. The apparatus of claim 1 , wherein the relay is positioned external to the container.

14. The apparatus of claim 1 , wherein the relay is positioned internal to the container.

15. An apparatus comprising:

a container capable of receiving at least four capacitive devices, each of the capacitive devices having a first capacitor terminal and a second capacitor terminal;

a cover mountable to the container, the cover comprising:

a common cover terminal having at least one contact extending from the cover;

at least four capacitor cover terminals, each of the at least four capacitor cover terminals having at least one contact extending from the cover; and

at least four insulation structures, each insulation structure associated with one of the plurality of capacitor cover terminals;

at least four first conductors, each first conductor electrically connectable to one of the first capacitor terminals of the at least four capacitive devices and one of the at least four capacitor cover terminals;

a second conductor electrically connectable to each of the second capacitor terminals of the at least four capacitive devices and the common cover terminal; and

a relay having contacts and being capable of opening said contacts in response to a condition,

wherein the relay is sized to fit above the container and to fit within a cylindrical envelope being projected from the container, and wherein the relay sized to fit within the cylindrical envelope being projected from the container is coverable by a cap of the container.

16. The apparatus of claim 15 , wherein one of the contacts of the relay is electrically connectable a common terminal of a motor.

17. The apparatus of claim 15 , wherein each of the at least four capacitive devices is provided by a section of a wound capacitive element.

18. The apparatus of claim 15 , wherein each of the at least four capacitive devices comprises a metalized film capacitor.

19. The apparatus of claim 15 , wherein four capacitors are provided in the apparatus.

20. The apparatus of claim 19 , wherein the four capacitors have capacitance values of about 48 microfarads, about 48 microfarads, about 88 microfarads, and about 112 microfarads, respectively.

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 Jun 14, 2023
From: STOCKMAN, RICHARD W.
To: AMERICAN RADIONIC CO., INC.
Reel/Frame 063992/0114 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 14, 2023
From: AMERICAN RADIONIC COMPANY, INC.
To: AMRAD MANUFACTURING, LLC
Reel/Frame 063992/0117 →
Continuity (6)
Continuation 16216508 · Dec 11, 2018
Continuation 15074464 · Mar 18, 2016
Continuation 14299111 · Jun 9, 2014
Continuation 13826689 · Mar 14, 2013
Continuation 12927476 · Nov 15, 2010
Provisional Application 61281141 · Nov 13, 2009
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