IP Library Granted Patent US 11,575,298
Granted Patent B2
US 11,575,298 · App. 17/731,419 · Granted Feb 7, 2023

Hard start kit for multiple replacement applications

Inventors: Jerry Lee Waldrop (Bunnell, FL); Jonathan Coburn Charles (Ormond Beach, FL)
Assignee: AmRad Manufacturing, LLC
H02K11/0094H01G2/10
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Quick Facts
Patent No.
US 11,575,298
App. No.
17/731,419
Granted
Feb 7, 2023
Kind
B2
Abstract

A hard start capacitor replacement unit includes a capacitor container having a cover, a plurality of capacitors received within the container, each of said capacitors having a capacitance value, a common terminal mounted on the cover and electrically connected to a common terminal of each of said plurality of capacitors, a plurality of cover terminals mounted on the cover spaced apart from the common terminal and from each other, each cover terminal respectively electrically connected to one of the plurality of capacitors, a relay having contacts and being capable of opening and closing said contacts in response to a monitored condition of the motor, the relay having relay terminals, a fuse electrically connected to one of the relay terminals by a first wire wherein the fuse electrically disconnects the hard start capacitor replacement unit and the motor upon a failure, and a second wire electrically connecting one of the relay terminals and the motor, a third wire electrically connecting the common terminal and one of the relay terminals, a fourth wire electrically connecting one or more cover terminals to one of the relay terminals, wherein the contacts of the relay close to electrically connect one or more capacitors of the plurality of capacitors to the motor, and the contacts of the relay open to electrically disconnect the one or more capacitors of the plurality of capacitors from the motor.

Claims (34)

1. A hard start capacitor replacement unit, comprising:

a capacitor container having a cover;

a plurality of capacitors received within the container, each of said capacitors having a capacitance value;

a common terminal mounted on the cover and electrically connected to a common terminal of each of said plurality of capacitors;

a plurality of cover terminals mounted on the cover spaced apart from the common terminal and from each other, each cover terminal respectively electrically connected to one of the plurality of capacitors;

a relay having contacts and being capable of opening and closing said contacts in response to a monitored condition of a motor, the relay having relay terminals;

a fuse electrically connected to one of the relay terminals by a first wire wherein the fuse electrically disconnects the hard start capacitor replacement unit and the motor upon a failure, wherein the fuse electrically disconnects the hard start capacitor replacement unit and the motor upon a current exceeding a threshold for a predetermined period of time, wherein the threshold is at least 4 amperes;

a second wire electrically connecting one of the relay terminals and the motor;

a third wire electrically connecting the common terminal mounted on the cover and one of the relay terminals; and

a fourth wire electrically connecting one or more cover terminals to one of the relay terminals;

wherein the contacts of the relay close to electrically connect one or more capacitors of the plurality of capacitors to the motor, and the contacts of the relay open to electrically disconnect the one or more capacitors of the plurality of capacitors from the motor.

2. The hard start capacitor replacement unit of claim 1 , wherein the relay is positioned external to the capacitor container.

3. The hard start capacitor replacement unit of claim 1 , wherein the threshold is at least 10 amperes.

4. The hard start capacitor replacement unit of claim 1 , wherein the predetermined period of time is five seconds.

5. The hard start capacitor replacement unit of claim 1 , wherein the fuse electrically disconnects the hard start capacitor replacement unit from the motor upon a failure of the relay.

6. The hard start capacitor replacement unit of claim 1 , wherein the fuse electrically disconnects the hard start capacitor from the motor upon a current exceeding 10 amperes for 5 seconds.

7. The hard start capacitor replacement unit of claim 1 , wherein the fuse is electrically connected to a run capacitor of the motor.

8. The hard start capacitor replacement unit of claim 7 , wherein the run capacitor includes a booster terminal.

9. The hard start capacitor replacement unit of claim 8 , wherein the fuse electrically disconnects the hard start capacitor replacement unit and the booster terminal of the run capacitor upon a failure.

10. A hard start capacitor replacement unit, comprising:

a capacitor container having a cover;

a plurality of capacitors received within the container, each of said capacitors having a capacitance value;

a common terminal mounted on the cover and electrically connected to a common terminal of each of said plurality of capacitors;

a plurality of cover terminals mounted on the cover spaced apart from the common terminal and from each other, each cover terminal respectively electrically connected to one of the plurality of capacitors;

a relay having contacts and being capable of opening and closing said contacts in response to a monitored condition of a motor, the relay having relay terminals;

a fuse mounted to the relay and electrically connected to the relay, wherein the fuse electrically disconnects the hard start capacitor replacement unit and the motor upon a failure, wherein the fuse electrically disconnects the hard start capacitor replacement unit and the motor upon a current exceeding a threshold for a predetermined period of time, wherein the threshold is at least 4 amperes;

a first wire electrically connecting one of the relay terminals and the motor;

a second wire electrically connecting the common terminal mounted on the cover and one of the relay terminals; and

a third wire electrically connecting one or more capacitor cover terminals to one of the relay terminals;

wherein the contacts of the relay close to electrically connect one or more capacitors of the plurality of capacitors to the motor, and the contacts of the relay open to electrically disconnect the one or more capacitors of the plurality of capacitors from the motor.

11. The hard start capacitor replacement unit of claim 10 , wherein the threshold is at least 10 amperes.

12. The hard start capacitor replacement unit of claim 10 , wherein the predetermined period of time is five seconds.

13. The hard start capacitor replacement unit of claim 10 , wherein the fuse is mounted on an external surface of the relay.

14. The hard start capacitor replacement unit of claim 13 , wherein the fuse is electrically connected to a relay terminal external to the relay.

Assignments (5)
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 May 10, 2022
From: WALDROP, JERRY LEE; CHARLES, JONATHAN COBURN
To: AMRAD MANUFACTURING, LLC
Reel/Frame 059913/0383 →
Continuity (3)
Provisional Application 63282965 · Nov 24, 2021
Provisional Application 63182540 · Apr 30, 2021
Related Publication 20220352789A1 · Nov 3, 2022
Cited By (25)
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