IP Library › Granted Patent US 12,704,329
Granted Patent B2
US 12,704,329 · App. 18/619,432 · Granted Aug 11, 2026

Energy recovery system

Inventor: Sherwin Lewis (Miami, FL)
F28D20/0034F24F1/06F28D21/0014F28F9/002
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Quick Facts
Patent No.
US 12,704,329
App. No.
18/619,432
Granted
Aug 11, 2026
Kind
B2
Abstract

An energy recovery system for a pre-existing condenser unit is provided. The energy recovery system provides a casing housing a coil fin, an external water source fluidly coupled to the coil fin, and the casing directly connected to the pre-existing condenser unit so that latent heat output from the pre-existing condenser unit interfaces with the coil fin for heating the external water by way of heat transfer. The energy recovery system is self-activating by electrically coupling a transformer of the energy recovery system to a power source of the pre-existing condenser.

Claims (12)

1 . An energy recovery system for a pre-existing condenser unit, the energy recovery system comprising:

a casing housing a coil fin;

an external water source fluidly coupled to the coil fin;

the casing directly connected to the pre-existing condenser unit so that latent heat output from the pre-existing condenser unit interfaces with the coil fin so that the coil fin heats the external water;

clamps directly connecting the casing to the pre-existing condenser unit;

a transformer electrically powering the coil fin;

an air temperature sensor configured to sense temperature of the latent heat output;

a temperature sensor configured to sense temperature of the external water source;

a water inlet through which the external water source enters the coil fin; and

a valve operatively associated with the water inlet;

wherein the control panel is configured to bypass, by way of the valve, fluid coupling of said water to the coil fin if a temperature of the external water is greater than or equal to a temperature of the latent heat.

2 . The energy recovery system of claim 1 , wherein the control panel further comprises a transformer electrically powering the coil fin, and wherein the transformer is electrically connected to a power source of the pre-existing condenser unit, whereby self-activation is enabled.

Continuity (1)
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References Cited (34)
US 4044726A · Reichmann · 1977 [cited by examiner]
US 4241588A · Murphy · 1980 [cited by examiner]
US 4441902A · Jardine · 1984 [cited by applicant]
US 4558571A · Yoshinaga · 1985 [cited by examiner]
US 4791790A · Tongu · 1988 [cited by applicant]
US 4872319A · Tongu · 1989 [cited by applicant]
US 5003788A · Fischer · 1991 [cited by examiner]
US 5367602A · Stewart · 1994 [cited by examiner]
US 5911747A · Gauthier · 1999 [cited by examiner]
US 6357245B1 · Weng et al. · 2002 [cited by applicant]
US 6799539B2 · Suenaga et al. · 2004 [cited by applicant]
US 9605882B2 · Hancock · 2017 [cited by examiner]
US 9702634B1 · Mankaruse · 2017 [cited by applicant]
US 9945616B1 · Wingen · 2018 [cited by examiner]
US 10072856B1 · Akin · 2018 [cited by examiner]
US 10101037B2 · Parvin et al. · 2018 [cited by applicant]
US 10178937B2 · Mills et al. · 2019 [cited by applicant]
US 10801761B2 · Dobson · 2020 [cited by applicant]
US 11162706B2 · Bhosale et al. · 2021 [cited by applicant]
US 11162723B2 · Wang et al. · 2021 [cited by applicant]
US 11268722B2 · Ferrere et al. · 2022 [cited by applicant]
US 20020088239A1 · Goldstein · 2002 [cited by examiner]
US 20070295018A1 · Williams · 2007 [cited by applicant]
US 20090026281A1 · McGreevy · 2009 [cited by applicant]
US 20120292008A1 · Goldberg · 2012 [cited by applicant]
US 20150362207A1 · Abiprojo · 2015 [cited by examiner]
US 20200049426A1 · Kolenko · 2020 [cited by applicant]
US 20210123615A1 · Ball · 2021 [cited by examiner]
CN 204830365U · 2015 [cited by examiner]
CN 108662682A · 2018 [cited by examiner]
JP 2002061886A · 2002 [cited by examiner]
Translation of CN204830365U named Translation-CN204830365U (Year: 2015). [cited by examiner]
Translation of CN108662682A named Translation-CN108662682A (Year: 2018). [cited by examiner]
Translation of JP-2002061886-A named Translation-JP-2002061886-A (Year: 2002). [cited by examiner]