# US 2017/0254259 A1 · Method of Generating and Distributing a Second Fuel for an Internal Combustion Engine > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0254259 A1 - Document ID: US20170254259A1 - Status: Published application - Kind: A1 - Application number: 15/451,266 - Filed: 2017-03-06 - Published: 2017-09-07 - Earliest claimed: 2016-03-07 - Assignees: HyTech Power, LLC - Applicants: HyTech Power, Inc. - Inventors: Evan Charles Johnson; Adam Anthony Filkins; Herbert Daniel Deming; Henry White Dean; Phillip Edward Jennings - Web page: https://patentgrep.com/patent/US20170254259A1 ## CPC - F02B 43/12: Methods of operating - C25B 1/04: by electrolysis of water - C25B 1/044: producing mixed hydrogen and oxygen gas, e.g. Brown's gas [HHO] - C25B 9/17: Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof - C25B 11/00: Electrodes; Manufacture thereof not otherwise provided for - C25B 15/08: Supplying or removing reactants or electrolytes; Regeneration of electrolytes - C25B 15/087: {Recycling of electrolyte to electrochemical cell} - F02B 43/10: Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen - F02M 21/0221: {Fuel storage reservoirs, e.g. cryogenic tanks} - F02M 21/0239: {Pressure or flow regulators therefor} - F02M 21/0248: {Injectors} - F02M 21/0287: {characterised by the transition from liquid to gaseous phase (F02M21/06 takes precedence); Injection in liquid phase; Cooling and low temperature storage} - F02M 35/10177: {Engines having multiple fuel injectors or carburettors per cylinder} - F02M 35/10216: {Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators} - F02M 35/10255: {Arrangements of valves; Multi-way valves (F02M35/10032 takes precedence; valves in the plenum chamber F02M35/10065; check valves F02M35/10275)} - F02M 35/104: Intake manifolds - F02M 43/04: Injectors peculiar thereto - F02B 2043/106: {Hydrogen obtained by electrolysis} - Y02E 60/36: Hydrogen production from non-carbon containing sources, e.g. by water electrolysis - Y02T 10/30: Use of alternative fuels, e.g. biofuels - F02B: INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (gas-turbine plants F02C; hot-gas or combustion-product positive-displacement engine plants F02G) - C25B: ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR (anodic or cathodic protection C23F13/00; single-crystal growth C30B) - F02M: SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract Apparatuses, systems, and methods are disclosed to produce HHO gas in a pressure-resistant container for use in an internal combustion engine to increase fuel efficiency and/or reduce emissions, for example by introducing the HHO gas to one or more air intake ports of the engine. ## Claims ### Claim 1 A second fuel system for an internal combustion engine, comprising: i) a pressure-resistant container comprising: a) an electrolysis cell configured to generate a second fuel from an electrolyte solution; and b) a storage volume to hold a volume of the second fuel at a pressure greater than 40 psia; ii) a multi-point gas distribution system comprising a plurality of control valves to distribute separate portions of the second fuel to multiple locations about the internal combustion engine; and iii) a multi-point gas distribution control system that controls the plurality of control valves to control the amount and timing of the delivery of the second fuel to the multiple locations about the internal combustion engine. ### Claim 2 (depends on 1) The system of claim 1, wherein at least one of the multiple locations comprises at least one air intake orifice. ### Claim 3 (depends on 2) The system of claim 2, wherein the multi-point gas distribution control system is configured to deliver at least a portion of the second fuel in a timed sequence based on an intake stroke timing of the at least one air intake orifice. ### Claim 4 (depends on 3) The system of claim 3, wherein at least a second one of the at least one of the multiple locations comprises at least one air intake orifice. ### Claim 5 (depends on 5) The system of claim 5, wherein the multi-point gas distribution control system is further configured to deliver at least a second portion of the second fuel in a timed sequence based on an intake stroke timing of the at least one air intake orifice of the at least second one of the at least one of the multiple locations. ### Claim 6 (depends on 1) The system of claim 1, wherein the multi-point gas distribution system is configured to provide an average of 1-5 liters of the second fuel per 120,000 crankshaft revolutions. ### Claim 7 An electrolysis cell, comprising:a pressure-resistant container comprising: i) a first defined space for holding an electrolyte solution; ii) a plurality of electrolysis plates retained within the first defined space; and iii) a second defined space configured to store an HHO gas at a pressure in the range of 45-50 psia in the absence of air, wherein the volume of the second defined space is in the range of 80-120% of the volume of the first defined space. ### Claim 8 (depends on 7) The electrolysis cell of claim 7, further comprising a heat exchanger connected to a gas outlet of the electrolysis cell. ### Claim 9 (depends on 7) The electrolysis cell of claim 7, further comprising a controller, pressure sensor, and temperature sensor, the controller configured to: i) shut off electrolysis when the pressure of the HHO gas exceeds 50 psia and/or when the temperature of the electrolysis cell exceeds 125° F.; and ii) start electrolysis when the pressure of the HHO gas falls below 45 psia and temperature of the electrolysis cell is below 125° F. ### Claim 10 An apparatus for providing HHO gas for an internal combustion engine, comprising: i) an electrolysis cell for generating the HHO gas; and ii) a flow regulator configured to start and stop a flow of the HHO gas from the electrolysis cell to a plurality of injectors. ### Claim 11 (depends on 10) The apparatus of claim 10, wherein the plurality of injectors are configured to deliver air-free HHO gas to within 3 inches of at least one combustion chamber inlet orifice of the engine. ### Claim 12 (depends on 11) The apparatus of claim 11, wherein the air-free HHO gas is delivered from at least one lance attached to at least one of the plurality of injectors. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein separate portions of the air-free HHO gas are delivered to each combustion chamber from a plurality of different lances, and wherein each of the plurality of lances is attached to a different injector of the plurality of injectors. ### Claim 14 (depends on 10) The apparatus of claim 10, further comprising a heat exchanger integrated with an HHO gas pressure regulator, wherein the heat exchanger is configured to cool the HHO gas using engine coolant. ### Claim 15 (depends on 14) The apparatus of claim 14, wherein the HHO gas pressure regulator pressure is at least partially controlled relative to an intake manifold pressure of the internal combustion engine. ### Claim 16 (depends on 10) The apparatus of claim 10, wherein the injectors are configured to deliver air-free HHO gas to a plurality of air intake valves wherein at least one injector of the plurality of injectors is positioned proximate at least one combustion chamber inlet orifice of the internal combustion engine and at least a second injector of the plurality of injectors is positioned proximate a second combustion chamber inlet orifice of the internal combustion engine. ### Claim 17 (depends on 16) The apparatus of claim 16, wherein at least one of the plurality of injectors comprises a lance configured to deliver a portion of the air-free HHO gas to within 3 inches of a combustion inlet orifice. ### Claim 18 A method for reducing emissions of an internal combustion engine, comprising: i) controlling a temperature of an HHO gas by exchanging heat with an engine coolant; and ii) delivering an HHO gas at the controlled temperature to at least one intake port of the internal combustion engine. ### Claim 19 (depends on 18) The method of claim 18, further comprising producing the HHO gas by electrolysis in an electrolyte solution containing 1-3 wt % potassium carbonate, wherein the current draw of the electrolysis is 10 amps or less. ### Claim 20 (depends on 15) The method of claim 15, wherein the HHO gas is generated for use in a vehicle in an electrolysis cell from less than 10 ounces of water per 10 million crankshaft revolutions.