# US 2021/0277629 A1 · Material processing apparatus with hybrid power system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0277629 A1 - Document ID: US20210277629A1 - Status: Published application - Kind: A1 - Application number: 17/177,922 - Filed: 2021-02-17 - Published: 2021-09-09 - Earliest claimed: 2020-02-20 - Applicants: Terex GB Limited - Inventors: Ciaran Fanning; Barry McMenamin - Web page: https://patentgrep.com/patent/US20210277629A1 ## CPC - B60W 10/30: including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps - B60K 1/00: Arrangement or mounting of electrical propulsion units (B60K7/00 takes precedence; arrangement or mounting of plural diverse prime-movers for mutual or common propulsion B60K6/00) - B60W 10/08: including control of electric propulsion units, e.g. motors or generators - B60W 20/13: in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion - E02F 7/06: Delivery chutes or screening plants {or mixing plants} mounted on dredgers or excavators ({for back-filling E02F5/226 takes precedence}; separating equipment in general B03; delivery chutes in general B65G) - E02F 9/2075: {of the hybrid type (for vehicles in general B60W20/00)} - E02F 9/2217: {with energy recovery arrangements, e.g. using accumulators, flywheels} - H02J 7/14: for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle - H02J 7/1438: {in combination with power supplies for loads other than batteries} - B60W 2300/17: Construction vehicles, e.g. graders, excavators - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - E02F: DREDGING; SOIL-SHIFTING (winning peat E21C49/00) - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY ## Abstract A material processing apparatus has as a power supply system comprising an electrical power supply and a hydraulic power supply. The electrical power supply comprises a battery pack and an electrical generator. The power supply system is operable in different power supply modes in which said at least one battery and/or said electrical generator supply electrical power to the electrically powered components of the system. ## Claims ### Claim 1 A material processing apparatus comprising a power supply system, the power supply system comprising: an electrical system comprising an electrical power supply configured to supply electrical power to at least one electrically powered component; a hydraulic system comprising a hydraulic power supply configured to supply hydraulic power at least one hydraulically powered component; at least one controller for controlling the operation of said power supply system, wherein said electrical power supply comprises at least one battery and an electrical generator, and wherein said at least one controller is configured to operate said power supply system in any one of at least two power supply modes in which said at least one battery and/or said electrical generator supply electrical power to said at least one electrically powered component. ### Claim 2 (depends on 1) The apparatus of claim 1, including at least one material processing unit, optionally comprising a screening apparatus, that is operable in a working state only by one or more of said electrically powered components, and wherein, preferably, in said working state said hydraulic system is turned off. ### Claim 3 (depends on 1) The apparatus of claim 1, further including an internal combustion engine mechanically coupled to said electrical generator in order to drive said electrical generator. ### Claim 4 (depends on 3) The apparatus of claim 3, including at least one material processing unit that is operable in a working state only by one or more of said electrically powered components, and wherein in said working state, said internal combustion engine is turned off. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein said electrical generator is a motor-generator, and said hydraulic power supply comprises a mechanically powered pump, wherein said motor-generator is mechanically coupled to said pump to enable transmission of mechanical power from said motor-generator to said pump, and wherein, preferably, said motor-generator is mechanically coupled to said pump by a clutch that is operable to selectively transmit or not transmit mechanical power to said pump. ### Claim 6 (depends on 5) The apparatus of claim 5, wherein said at least one controller is configured to operate said power supply system in at least one mode in which said motor-generator operates as a motor and in which mechanical power is transmitted from said motor-generator to said mechanically powered pump, and wherein said motor-generator preferably receives electrical power from said electrical system, preferably from said at least one battery or from an external electrical power supply. ### Claim 7 (depends on 6) The apparatus of claim 6, further including an internal combustion engine mechanically coupled to said electrical generator in order to drive said electrical generator, and wherein in said at least one mode the internal combustion engine is switched off. ### Claim 8 (depends on 5) The apparatus of claim 5, further including an internal combustion engine mechanically coupled to said electrical generator in order to drive said electrical generator, and wherein said at least one controller is configured to operate said power supply system in at least one mode in which mechanical power produced by said internal combustion engine is transmitted to said pump via said motor-generator. ### Claim 9 (depends on 8) The apparatus of claim 8, wherein said electrical generator is a motor-generator, and wherein said motor-generator is configured to operate as a generator and to supply electrical power to said electrical system, or wherein said motor-generator is configured to operate as a motor and receives electrical power from said electrical system, preferably from said at least one battery or from an external electrical power supply. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein said hydraulic power supply comprises an electrically powered pump, and wherein power supply system is configured to supply electrical power to said pump from said at least one battery and/or from said electrical generator. ### Claim 11 (depends on 1) The apparatus of claim 1, wherein said power supply system is operable in at least one mode in which said at least one battery, preferably only said at least one battery, supplies electrical power to said at least one electrically powered component, and/or wherein said power supply system includes an electrical inlet for receiving electrical power from an external power supply and wherein said power supply system is operable in at least one mode in which electrical power is supplied to said at least one electrically powered component from said external power supply, optionally only from said external power supply, and wherein, optionally, said at least one battery, preferably only said at least one battery, also supplies electrical power to operate said hydraulic system. ### Claim 12 (depends on 11) The apparatus of claim 11, wherein said electrical generator is a motor-generator, and wherein said at least one battery supplies electrical power to operate said motor-generator as a motor, said motor-generator providing mechanical power to the hydraulic pump, or wherein said hydraulic power supply comprises an electrically powered pump, and wherein said at least one battery supplies electrical power to said electrically powered pump. ### Claim 13 (depends on 11) The apparatus of claim 11, wherein said at least one controller causes said power supply system to supply said electrical power from said generator, as well as or instead of said from said at least one battery, preferably depending on the level of electrical power available from said at least one battery, and/or on the level of load requiring electrical power. ### Claim 14 (depends on 1) The apparatus of claim 1, wherein said power supply system is operable in at least one mode in which said generator, optionally only said generator, supplies electrical power to said at least one electrically powered component. ### Claim 15 (depends on 14) The apparatus of claim 14, wherein said hydraulic power supply comprises an electrically powered pump, and wherein said generator supplies electrical power to said electrically powered pump, or wherein the apparatus includes an internal combustion engine mechanically coupled to said electrical generator in order to drive said electrical generator, wherein mechanical power is transmitted to said pump from said engine. ### Claim 16 (depends on 14) The apparatus of claim 14, wherein said at least one controller causes said power supply system to supply said electrical power from said at least one battery, as well as from said generator, preferably depending on the level of load requiring electrical power. ### Claim 17 (depends on 9) The apparatus of claim 9, wherein said motor-generator is configured to produce mechanical power supplementing the mechanical power produced by the engine and transmitted to the pump, and wherein, preferably, said at least one controller is configured to cause said motor-generator to operate as a motor depending on the power required by the hydraulic system. ### Claim 18 (depends on 11) The apparatus of claim 11, further including an internal combustion engine mechanically coupled to said electrical generator in order to drive said electrical generator, and wherein said internal combustion engine is off in said at least one mode, and/or wherein said motor-generator is disengaged from said pump by said clutch. ### Claim 19 (depends on 1) The material processing apparatus of claim 1, wherein said at least one electrically powered component comprises any one or more of: a screen drive; a feeder drive; one or more conveyor drives, wherein the or each drive may comprise one or more electric motor; and/or wherein said at least one hydraulically powered component comprises any one or more of an articulation system comprising at least one hydraulic actuator and/or hydraulic motor; and/or wheel or track drive means comprising one or more hydraulic motor. ### Claim 20 A power supply system comprising: an electrical system comprising an electrical power supply configured to supply electrical power to at least one electrically powered component; a hydraulic system comprising a hydraulic power supply configured to supply hydraulic power at least one hydraulically powered component; at least one controller for controlling the operation of said power supply system, wherein said electrical power supply comprises at least one battery and an electrical generator, and wherein said at least one controller is configured to operate said power supply system in any one of at least two power supply modes in which said at least one battery and/or said electrical generator supply electrical power to said at least one electrically powered component.