IP Library Granted Patent US 12,592,573
Granted Patent B2
US 12,592,573 · App. 17/741,893 · Granted Mar 31, 2026

Hybrid generator with detachable power unit and panel integration

Inventors: Benjamin Marotz (Kohler, WI); Harrison Chiu (Grafton, WI)
Assignee: Discovery Energy, LLC
H02J7/0042H02J7/0048H02J2207/20
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Quick Facts
Patent No.
US 12,592,573
App. No.
17/741,893
Granted
Mar 31, 2026
Kind
B2
Abstract

A generator module includes a battery, a charging circuit, an electric power outlet, and an enclosure. The charging circuit is coupled to an output of a generator and configured to charge the battery. The electric power outlet is configured to provide an output from the battery, the generator, or a combination of the battery and the generator. The enclosure includes the battery, the charging circuit, and the electric power outlet such that the enclosure detachable from the generator.

Claims (31)

1 . A generator module comprising:

a battery;

a charging circuit coupled to an output of a generator and configured to charge the battery;

an electric power outlet configured to provide an output from the battery, the generator, or a combination of the battery and the generator; and

an enclosure including the battery, the charging circuit, and the electric power outlet, the enclosure detachable from and re-attachable to the generator via a user-actuated mechanical coupling device.

2 . The generator module of claim 1 , wherein:

the mechanical coupling device is configured to (i) detach and re-attach the generator module to the generator in a first configuration, and (ii) detach and re-attach the generator module to an external circuit in a second configuration.

3 . The generator module of claim 2 , wherein the mechanical coupling device includes a first latch configured to secure the enclosure to the generator and a second latch configured to secure the enclosure to a mount.

4 . The generator module of claim 3 , wherein the mount is a wall mount.

5 . The generator module of claim 2 , wherein the mechanical coupling device includes a first electrical contact configured to electrically connect the generator to the battery and a second electrical contact configured to electrically connect the battery to the external circuit.

6 . The generator module of claim 1 , further comprising:

an inverter configured to convert electrical power stored in the battery to an alternating current signal for the electric power outlet.

7 . The generator module of claim 6 , further comprising:

a controller configured to select a mode for the generator module.

8 . The generator module of claim 7 , wherein the mode includes a quiet mode in which operation of the generator is minimized.

9 . The generator module of claim 7 , wherein the mode includes a maximum power mode in which the battery and the generator provide power to the electric power outlet.

10 . The generator module of claim 7 , wherein the mode includes a no-generator mode in which operation of the generator is prevented.

11 . The generator module of claim 7 , wherein the mode includes a hybrid mode in which the generated is operated during a predetermined load condition.

12 . The generator module of claim 7 , further comprising:

a sensing circuit configured to detect a load on the generator.

13 . The generator module of claim 7 , further comprising:

a battery level indicator in communication with the controller.

14 . A method comprising:

detaching an inverter module from a portable generator, the inverter module comprising a battery, a charging circuit, and an electrical power outlet, the inverter module detachable from and re-attachable to the portable generator via a user-actuated mechanical coupling device;

attaching the inverter module to an external circuit; and

providing power to the external circuit from the battery.

15 . The generator module of claim 7 , wherein the mechanical coupling device comprises at least one of a latch, a bolt, a pin, a buckle, a latch, a lever, or a button.

16 . The method of claim 14 , further comprising determining a predetermined mode of operation in response to the attachment of the inverter module to the external circuit.

17 . The method of claim 14 , wherein the mechanical coupling device is configured to (i) detach and re-attach the inverter module to the portable generator in a first configuration, and (ii) detach and re-attach the inverter module to the external circuit in a second configuration.

18 . The method of claim 17 , wherein the mechanical coupling device includes a first latch configured to secure the inverter module to the portable generator and a second latch configured to secure the inverter module to a mount.

19 . The method of claim 14 , wherein the mechanical coupling device comprises at least one of a latch, a bolt, a pin, a buckle, a latch, a lever, or a button.

Assignments (4)
PATENT SECURITY AGREEMENT (ABL) Recorded May 3, 2024
From: CURTIS INSTRUMENTS, INC.; DISCOVERY ENERGY, LLC; HEILA TECHNOLOGIES, INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 067306/0903 →
PATENT SECURITY AGREEMENT (TERM) Recorded May 2, 2024
From: CURTIS INSTRUMENTS, INC.; DISCOVERY ENERGY, LLC; HEILA TECHNOLOGIES, INC.
To: BANK OF AMERICA, N.A, AS COLLATERAL AGENT
Reel/Frame 067290/0853 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 1, 2024
From: KOHLER CO.
To: DISCOVERY ENERGY, LLC
Reel/Frame 067289/0516 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 11, 2022
From: MAROTZ, BENJAMIN; CHIU, HARRISON
To: KOHLER CO.
Reel/Frame 059944/0273 →
Continuity (2)
Provisional Application 63192424 · May 24, 2021
Related Publication 20220376526A1 · Nov 24, 2022
References Cited (42)
US 4743715A · Gerbert-gaillard et al. · 1988 [cited by applicant]
US 6118257A · Biquez et al. · 2000 [cited by applicant]
US 6121566A · Biquez et al. · 2000 [cited by applicant]
US 6531790B2 · Panuce et al. · 2003 [cited by applicant]
US 6791211B1 · Flegel · 2004 [cited by applicant]
US 7126068B2 · Fillppenko · 2006 [cited by applicant]
US 7142950B2 · Rasmussen et al. · 2006 [cited by applicant]
US 7248490B2 · Olsen et al. · 2007 [cited by applicant]
US 7388299B2 · Blackman · 2008 [cited by applicant]
US 7482710B2 · Ichinose et al. · 2009 [cited by applicant]
US 7667341B2 · Serdynski et al. · 2010 [cited by applicant]
US 7786696B2 · Kim et al. · 2010 [cited by applicant]
US 8081407B2 · Willieme et al. · 2011 [cited by applicant]
US 8514551B2 · Cosley et al. · 2013 [cited by applicant]
US 8820286B2 · Cole et al. · 2014 [cited by applicant]
US 8994336B2 · Brotto et al. · 2015 [cited by applicant]
US 9419473B2 · Tomassi et al. · 2016 [cited by applicant]
US 9692254B2 · Tomassi · 2017 [cited by applicant]
US 9779891B1 · Ashtekar et al. · 2017 [cited by applicant]
US 9905388B2 · Edmonds · 2018 [cited by applicant]
US 9929571B1 · Dao et al. · 2018 [cited by applicant]
US 10931139B1 · Andrews et al. · 2021 [cited by applicant]
US 11207986B2 · Robert · 2021 [cited by applicant]
US 20090295169A1 · Usselman · 2009 [cited by examiner]
US 20120193988A1 · Eschrich et al. · 2012 [cited by applicant]
US 20160359362A1 · Martin · 2016 [cited by applicant]
US 20180323641A1 · Lee et al. · 2018 [cited by applicant]
US 20190103761A1 · Wyma · 2019 [cited by applicant]
US 20190229580A1 · Edwards et al. · 2019 [cited by applicant]
CA 2959731A1 · 2018 [cited by applicant]
CN 201570457U · 2010 [cited by applicant]
CN 202260612U · 2012 [cited by applicant]
EP 2830190B1 · 2019 [cited by applicant]
EP 3613125A1 · 2020 [cited by applicant]
JP 5383745B2 · 2014 [cited by applicant]
WO 0021178A1 · 2000 [cited by applicant]
WO 02065620A1 · 2002 [cited by applicant]
WO 2020112618A1 · 2020 [cited by applicant]
“QO and Homeline Generator Ready Split Bus and Load Centers”, Schneider Electric USA, available as early as Apr. 13, 2021, https://www.se.com/us/en/work/products/generator-ready/, 5 pages. [cited by applicant]
Cummins Onan, 2011, RV generator set, Hybrid Quiet Diesel™ Series, HQD 8/10 and 12/18, 8 pages. [cited by applicant]
Stephen Regenold, “Exclusive! Goal Zero Just Announced a Gas Generator”, GearJunkie, Jan. 3, 2017, https://gearjunkie.com/technology/goal-zero-fuel-gas-generator, 9 pages. [cited by applicant]
Extended European Search Report from European Patent Application No. 22173751.3, dated Oct. 26, 2022, 10 pages. [cited by applicant]