US20200346547A1 - Auxiliary power system for electric refuse vehicle - Google Patents
Auxiliary power system for electric refuse vehicle Download PDFInfo
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- US20200346547A1 US20200346547A1 US16/851,152 US202016851152A US2020346547A1 US 20200346547 A1 US20200346547 A1 US 20200346547A1 US 202016851152 A US202016851152 A US 202016851152A US 2020346547 A1 US2020346547 A1 US 2020346547A1
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- auxiliary power
- power system
- refuse vehicle
- electric
- refuse
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
- B65F3/04—Linkages, pivoted arms, or pivoted carriers for raising and subsequently tipping receptacles
- B65F3/041—Pivoted arms or pivoted carriers
- B65F3/043—Pivoted arms or pivoted carriers with additional means for keeping the receptacle substantially vertical during raising
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60K25/00—Auxiliary drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
- B65F3/04—Linkages, pivoted arms, or pivoted carriers for raising and subsequently tipping receptacles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
- B65F3/04—Linkages, pivoted arms, or pivoted carriers for raising and subsequently tipping receptacles
- B65F3/06—Arrangement and disposition of fluid actuators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60K25/00—Auxiliary drives
- B60K2025/005—Auxiliary drives driven by electric motors forming part of the propulsion unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/36—Vehicles designed to transport cargo, e.g. trucks
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/40—Working vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/14—Trucks; Load vehicles, Busses
- B60Y2200/144—Garbage trucks, e.g. refuse trucks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
- B65F2003/0263—Constructional features relating to discharging means
- B65F2003/0279—Constructional features relating to discharging means the discharging means mounted at the front of the vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Refuse-Collection Vehicles (AREA)
Abstract
Description
- The present Application claims the benefit and priority to U.S. Provisional Patent Application No. 62/843,062, filed on May 3, 2019, the entire disclosure of which is incorporated by reference herein.
- Refuse vehicles collect a wide variety of waste, trash, and other material from residences and businesses. Operators of the refuse vehicles transport the material from various waste receptacles within a municipality to a storage or processing facility (e.g., a landfill, an incineration facility, a recycling facility, etc.).
- One embodiment relates to a refuse vehicle including a chassis, a body assembly coupled to the chassis, the body assembly defining a refuse compartment, an electric energy system, an auxiliary power system comprising a reservoir to hold a hydraulic fluid, and a hydraulic pump powered by an electric motor, wherein the electric motor is powered by the electric energy system and the hydraulic pump pressurizes the hydraulic fluid to power one or more actuators, and wherein a prime mover of the refuse vehicle charges the electric energy system.
- In some embodiments, the auxiliary power system includes a power take-off. In some embodiments, the auxiliary power system is positioned between a cab of the refuse vehicle and the body of the refuse vehicle. In some embodiments, the auxiliary power system is positioned below the body of the refuse vehicle. In some embodiments, the auxiliary power system is mounted on a surface of the body of the refuse vehicle. In some embodiments, the auxiliary power system includes a cooling system configured to thermally regulate the electric motor. In some embodiments, the auxiliary power system includes one or more electrical energy storage devices configured to power the electric motor.
- Another embodiment relates to an auxiliary power system for a refuse vehicle including a reservoir to hold a hydraulic fluid, a hydraulic pump configured to pressurize the hydraulic fluid and provide the hydraulic fluid to one or more actuators, an electric motor configured to power the hydraulic pump, and a mounting assembly configured to couple the auxiliary power system to the refuse vehicle.
- In some embodiments, the mounting assembly is configured to couple the auxiliary power system between a cab of the refuse vehicle and a body of the refuse vehicle. In some embodiments, the mounting assembly is configured to couple the auxiliary power system below a body of the refuse vehicle. In some embodiments, the mounting assembly is configured to couple the auxiliary power system to a surface of the body of the refuse vehicle. In some embodiments, the auxiliary power system further includes a power take-off. In some embodiments, the auxiliary power system further includes a cooling system configured to thermally regulate the electric motor. In some embodiments, the auxiliary power system further includes one or more electrical energy storage devices configured to power the electric motor.
- Another embodiment relates to an electric refuse vehicle including a chassis, a body assembly coupled to the chassis, the body assembly defining a refuse compartment, a prime mover, wherein the prime mover is a first electric motor, and an auxiliary power system comprising a reservoir to hold a hydraulic fluid, and a hydraulic pump powered by a second electric motor, wherein the hydraulic pump pressurizes the hydraulic fluid to power one or more actuators.
- In some embodiments, the electric refuse vehicle includes one or more electrical energy storage devices configured to provide power to at least one of the first electric motor or the second electric motor, and wherein at least one of the one or more electrical energy storage devices are detachably coupled to the electric refuse vehicle. In some embodiments, the auxiliary power system is positioned between a cab of the electric refuse vehicle and the body of the electric refuse vehicle. In some embodiments, the auxiliary power system includes a power take-off. In some embodiments, the auxiliary power system is positioned on a surface of the body of the electric refuse vehicle. In some embodiments, the auxiliary power system is positioned below the body of the electric refuse vehicle.
- This summary is illustrative only and is not intended to be in any way limiting. Other aspects, inventive features, and advantages of the devices or processes described herein will become apparent in the detailed description set forth herein, taken in conjunction with the accompanying figures, wherein like reference numerals refer to like elements.
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FIG. 1 is a perspective view of a refuse vehicle, according to an exemplary embodiment. -
FIG. 2 is the refuse vehicle ofFIG. 1 having an auxiliary power system, according to an exemplary embodiment. -
FIG. 3 is a block diagram of the auxiliary power system ofFIG. 2 , according to an exemplary embodiment. -
FIG. 4A illustrates a power take-off that may be part of the auxiliary power system ofFIG. 3 , according to an exemplary embodiment. -
FIG. 4B illustrates the power take-off ofFIG. 4A having a first coaxial ratio, according to an exemplary embodiment. -
FIG. 4C illustrates the power take-off ofFIG. 4A having a second coaxial ratio, according to an exemplary embodiment. -
FIG. 5A illustrates a placement of the auxiliary power system ofFIG. 3 for a rear-loading refuse truck, according to an exemplary embodiment. -
FIG. 5B illustrates a placement of the auxiliary power system ofFIG. 3 for a side-loading refuse truck, according to an exemplary embodiment. -
FIG. 5C illustrates a placement of the auxiliary power system ofFIG. 3 for a front-loading refuse truck, according to an exemplary embodiment. -
FIG. 5D illustrates another placement of the auxiliary power system ofFIG. 3 for a front-loading refuse truck, according to an exemplary embodiment. - Before turning to the figures, which illustrate certain exemplary embodiments in detail, it should be understood that the present disclosure is not limited to the details or methodology set forth in the description or illustrated in the figures. It should also be understood that the terminology used herein is for the purpose of description only and should not be regarded as limiting.
- According to an exemplary embodiment, an auxiliary power system for a refuse vehicle is disclosed herein. The auxiliary power system of the present disclosure provides many advantages over conventional systems. The auxiliary power system may supply power for one or more components of the refuse vehicle. For example, the auxiliary power system may provide electric power to the body of the refuse vehicle, enabling the refuse vehicle to utilize electric actuators, reducing a need for hydraulic actuators, which are prone to leaking hydraulic fluid. Additionally or alternatively, the auxiliary power system may provide hydraulic power to an electric refuse vehicle. For example, an auxiliary power system supplying pressurized hydraulic fluid (via an electric hydraulic pump) may power one or more hydraulic components of the refuse vehicle. The auxiliary power system may be removable to supply power to a location disparate of the refuse vehicle. For example, the auxiliary power system may be integrated with a carry-can coupled to the refuse vehicle such that the auxiliary power system supplies power to the refuse vehicle while the carry-can is attached to the refuse vehicle and supplies power to the carry-can while the carry-can is detached from the refuse vehicle.
- As shown in
FIG. 1 , a vehicle, shown as refuse vehicle 10 (e.g., a garbage truck, a waste collection truck, a sanitation truck, a recycling truck, etc.), is configured as a front-loading refuse truck. In other embodiments, therefuse vehicle 10 is configured as a side-loading refuse truck or a rear-loading refuse truck. In still other embodiments, the vehicle is another type of vehicle (e.g., a skid-loader, a telehandler, a plow truck, a boom lift, etc.). As shown inFIG. 1 , therefuse vehicle 10 includes a chassis, shown asframe 12; a body assembly, shown asbody 14, coupled to the frame 12 (e.g., at a rear end thereof, etc.); and a cab, shown ascab 16, coupled to the frame 12 (e.g., at a front end thereof, etc.). Thecab 16 may include various components to facilitate operation of therefuse vehicle 10 by an operator (e.g., a seat, a steering wheel, actuator controls, a user interface, switches, buttons, dials, etc.). - As shown in
FIG. 1 , therefuse vehicle 10 includes a prime mover, shown aselectric motor 18, and an energy system, shown as energy storage and/orgeneration system 20. In other embodiments, the prime mover is or includes an internal combustion engine. According to the exemplary embodiment shown inFIG. 1 , theelectric motor 18 is coupled to theframe 12 at a position beneath thecab 16. Theelectric motor 18 is configured to provide power to a plurality of tractive elements, shown as wheels 22 (e.g., via a drive shaft, axles, etc.). In other embodiments, theelectric motor 18 is otherwise positioned and/or therefuse vehicle 10 includes a plurality of electric motors to facilitate independently driving one or more of thewheels 22. In still other embodiments, theelectric motor 18 or a secondary electric motor is coupled to and configured to drive a hydraulic system that powers hydraulic actuators. According to the exemplary embodiment shown inFIG. 1 , the energy storage and/orgeneration system 20 is coupled to theframe 12 beneath thebody 14. In other embodiments, the energy storage and/orgeneration system 20 is otherwise positioned (e.g., within a tailgate of therefuse vehicle 10, beneath thecab 16, along the top of thebody 14, within thebody 14, etc.). - According to an exemplary embodiment, the energy storage and/or
generation system 20 is configured to (a) receive, generate, and/or store power and (b) provide electric power to (i) theelectric motor 18 to drive thewheels 22, (ii) electric actuators of therefuse vehicle 10 to facilitate operation thereof (e.g., lift actuators, tailgate actuators, packer actuators, grabber actuators, etc.), and/or (iii) other electrically operated accessories of the refuse vehicle 10 (e.g., displays, lights, etc.). The energy storage and/orgeneration system 20 may include one or more rechargeable batteries (e.g., lithium-ion batteries, nickel-metal hydride batteries, lithium-ion polymer batteries, lead-acid batteries, nickel-cadmium batteries, etc.), capacitors, solar cells, generators, power buses, etc. In one embodiment, therefuse vehicle 10 is a completely electric refuse vehicle. In other embodiments, therefuse vehicle 10 includes an internal combustion generator that utilizes one or more fuels (e.g., gasoline, diesel, propane, natural gas, hydrogen, etc.) to generate electricity to charge the energy storage and/orgeneration system 20, power theelectric motor 18, power the electric actuators, and/or power the other electrically operated accessories (e.g., a hybrid refuse vehicle, etc.). For example, therefuse vehicle 10 may have an internal combustion engine augmented by theelectric motor 18 to cooperatively provide power to thewheels 22. The energy storage and/orgeneration system 20 may thereby be charged via an on-board generator (e.g., an internal combustion generator, a solar panel system, etc.), from an external power source (e.g., overhead power lines, mains power source through a charging input, etc.), and/or via a power regenerative braking system, and provide power to the electrically operated systems of therefuse vehicle 10. In some embodiments, the energy storage and/orgeneration system 20 includes a heat management system (e.g., liquid cooling, heat exchanger, air cooling, etc.). - According to an exemplary embodiment, the
refuse vehicle 10 is configured to transport refuse from various waste receptacles within a municipality to a storage and/or processing facility (e.g., a landfill, an incineration facility, a recycling facility, etc.). As shown inFIG. 1 , thebody 14 includes a plurality of panels, shown aspanels 32, atailgate 34, and acover 36. Thepanels 32, thetailgate 34, and thecover 36 define a collection chamber (e.g., hopper, etc.), shown asrefuse compartment 30. Loose refuse may be placed into therefuse compartment 30 where it may thereafter be compacted (e.g., by a packer system, etc.). Therefuse compartment 30 may provide temporary storage for refuse during transport to a waste disposal site and/or a recycling facility. In some embodiments, at least a portion of thebody 14 and therefuse compartment 30 extend above or in front of thecab 16. According to the embodiment shown inFIG. 1 , thebody 14 and therefuse compartment 30 are positioned behind thecab 16. In some embodiments, therefuse compartment 30 includes a hopper volume and a storage volume. Refuse may be initially loaded into the hopper volume and thereafter compacted into the storage volume. According to an exemplary embodiment, the hopper volume is positioned between the storage volume and the cab 16 (e.g., refuse is loaded into a position of therefuse compartment 30 behind thecab 16 and stored in a position further toward the rear of therefuse compartment 30, a front-loading refuse vehicle, a side-loading refuse vehicle, etc.). In other embodiments, the storage volume is positioned between the hopper volume and the cab 16 (e.g., a rear-loading refuse vehicle, etc.). - As shown in
FIG. 1 , therefuse vehicle 10 includes a lift mechanism/system (e.g., a front-loading lift assembly, etc.), shown aslift assembly 40, coupled to the front end of thebody 14. In other embodiments, thelift assembly 40 extends rearward of the body 14 (e.g., a rear-loading refuse vehicle, etc.). In still other embodiments, thelift assembly 40 extends from a side of the body 14 (e.g., a side-loading refuse vehicle, etc.). As shown inFIG. 1 , thelift assembly 40 is configured to engage a container (e.g., a residential trash receptacle, a commercial trash receptacle, a container having a robotic grabber arm, etc.), shown asrefuse container 60. Thelift assembly 40 may include various actuators (e.g., electric actuators, hydraulic actuators, pneumatic actuators, etc.) to facilitate engaging therefuse container 60, lifting therefuse container 60, and tipping refuse out of therefuse container 60 into the hopper volume of therefuse compartment 30 through an opening in thecover 36 or through thetailgate 34. Thelift assembly 40 may thereafter return theempty refuse container 60 to the ground. According to an exemplary embodiment, a door, shown astop door 38, is movably coupled along thecover 36 to seal the opening thereby preventing refuse from escaping the refuse compartment 30 (e.g., due to wind, bumps in the road, etc.). - As shown in
FIG. 2 , therefuse vehicle 10 includes anauxiliary power system 1410 coupled to thebody 14 of therefuse vehicle 10. Theauxiliary power system 1410 provides power to one or more components of therefuse vehicle 10. In some embodiments, the power is hydraulic power. Additionally or alternatively, theauxiliary power system 1410 may provide electric power. In some embodiments, theauxiliary power system 1410 is coupled to the energy storage and/orgeneration system 20 and receives electrical power therefrom. In some embodiments, theauxiliary power system 1410 includes batteries or other energy storage elements itself. In some embodiments, theauxiliary power system 1410 is coupled to a lower rearward panel ofpanels 32. In some embodiments, theauxiliary power system 1410 is coupled to or integrated with thetailgate 34. In some embodiments, theauxiliary power system 1410 is mounted on thelift assembly 40. Additionally or alternatively, theauxiliary power system 1410 may be detachably coupled to therefuse vehicle 10. For example, theauxiliary power system 1410 may be integrated with or power a carry-can coupled to therefuse vehicle 10. Additionally or alternatively, theauxiliary power system 1410 may be a portable residential auxiliary power unit (APU). It should be understood that theauxiliary power system 1410 can be mounted anywhere on therefuse vehicle 10. - In some embodiments, the
auxiliary power system 1410 is coupled to a refuse vehicle having a diesel internal combustion engine prime mover. An internal combustion engine prime mover may charge one or more batteries of theauxiliary power unit 1410 or the energy storage and/orgeneration system 20. For example, the internal combustion engine may include a power take-off to power an alternator to charge the one or more batteries. In some embodiments, theauxiliary power system 1410 may power one or more components of thebody 14 of an internal combustion engine refuse vehicle. For example, theauxiliary power system 1410 may power one or more electric actuators to open/close thetailgate 34. Additionally or alternatively, theauxiliary power system 1410 may augment or supplement the existing power system of a refuse vehicle. For example, theauxiliary power system 1410 may power one or more indicator lights of therefuse vehicle 10. In some embodiments, theauxiliary power system 1410 includes one or more electrical energy storage devices (e.g., batteries, etc.). - In some embodiments, the
auxiliary power system 1410 integrates or otherwise combines an electrical and a hydraulic system. For example, theauxiliary power system 1410 may provide electrical power to a motor to power thecover 36 and provide hydraulic power to an actuator of thetailgate 34. Additionally or alternatively, theauxiliary power system 1410 may convert power from one system to another system. For example, theauxiliary power system 1410 may convert hydraulic power to stored potential energy for an electrical motor. As a further example, theauxiliary power system 1410 may convert stored electrical power into hydraulic power for a hydraulic system. In some embodiments, theauxiliary power system 1410 is or includes a power take-off. - As shown in
FIG. 3 , theauxiliary power system 1410 may provide pressurized hydraulic fluid toactuators 1420. Theauxiliary power system 1410 includes areservoir 1412 filled with a hydraulic fluid, such as oil. In some embodiments, the reservoir is filled with a different type and/or mixture of hydraulic fluid. For example,reservoir 1412 may be filled with water. The hydraulic fluid may be pressurized and/or pumped by ahydraulic pump 1414 powered bymotor 1416 to supply theactuators 1420. Thehydraulic pump 1414 may be hydrostatic or hydrodynamic. Thehydraulic pump 1414 may be a gear pump, a rotary vane pump, a screw pump, a bent axis pump, an inline axial piston pump, a radial piston pump, a peristaltic pump, or any other pump or combination thereof known in the art. Themotor 1416 is an electric motor powered by the energy storage and/orgeneration system 20. In some embodiments, theauxiliary power system 1410 includes one or more batteries or battery cells itself (e.g., to power themotor 1416, etc.). Themotor 1416 may be a mechanical commutator motor, an electronic commutator motor, an asynchronous machine type, a synchronous machine type, or any other type and/or combination thereof known in the art. In the case of a fully electric refuse vehicle, theauxiliary power system 1410 can provide hydraulic power to the fully electric refuse vehicle via themotor 1416, thehydraulic pump 1414, and thereservoir 1412. - In some embodiments, the
auxiliary power system 1410 includes an electrically controlled hydraulic swash plate coupled to one or more electronic sensors to throttle a flow of the hydraulic fluid to theactuators 1420. In some embodiments, theauxiliary power system 1410 includes a different type, number, or combination of elements. For example, theauxiliary power system 1410 may include a first motor to provide power to thehydraulic pump 1414 and a second motor to provide a power take-off for powering an external device. Additionally or alternatively, theauxiliary power system 1410 may include one or more power lines (e.g., a hydraulic line, an electrical cable, a compressed-air line, etc.) to provide external power. For example, theauxiliary power system 1410 may include a standard power cable as defined by the International Electrotechnical Commission (IEC) 60320 standard. - In various embodiments, the
auxiliary power system 1410 includes acontroller 1418 to control theauxiliary power system 1410. The controller may receive control signals from therefuse vehicle 10 and/or external systems and provide control signals to components of theauxiliary power system 1410. For example, thecontroller 1418 may monitor a level of hydraulic fluid in thereservoir 1412 and may operate one or more valves to control the flow of hydraulic fluid between thereservoir 1412 and thehydraulic pump 1414. As a further example, thecontroller 1418 may monitor a pressure level of hydraulic fluid being supplied to theactuators 1420 and may adjust an operation of themotor 1416 and/or thehydraulic pump 1414 to control the pressure level of the hydraulic fluid. In various embodiments, thecontroller 1418 includes a processing circuit. For example, thecontroller 1418 may include a processing circuit having a processor and memory, the memory storing instructions thereon that, when executed by the processor, cause the processor to perform the various operations described herein. In some embodiments, thecontroller 1418 is configured to determine whether theauxiliary power system 1410 is connected to therefuse vehicle 10. For example, theauxiliary power system 1410 may be integrated with a carry-can coupled to therefuse vehicle 10 and thecontroller 1418 may determine that theauxiliary power system 1410 is currently coupled to therefuse vehicle 10 and may operate theauxiliary power system 1410 in a first mode. To continue the previous example, theauxiliary power system 1410 may be decoupled from therefuse vehicle 10 and thecontroller 1418 may detect that theauxiliary power system 1410 is decoupled from therefuse vehicle 10 and may operate theauxiliary power system 1410 in a second mode. - In some embodiments, the
auxiliary power system 1410 includes acooling system 1430. Thecooling system 1430 may be configured to regulate a temperature of theauxiliary power system 1410. For example, thecooling system 1430 may include water-cooling elements configured to capture thermal energy associated with theauxiliary power system 1410 and transport the thermal energy away from theauxiliary power system 1410 for dissipation. In some embodiments, thecooling system 1430 is an air cooling system. For example, thecooling system 1430 may use ambient air to cool themotor 1416. Additionally or alternatively, thecooling system 1430 may be a liquid cooling system. For example, thecooling system 1430 may use engine coolant to cool themotor 1416. In some embodiments, thecooling system 1430 includes a heat exchanger such as a radiator. - Referring now to
FIGS. 4A-4C , several embodiments of theauxiliary power system 1410 are shown, according to several exemplary embodiments. In some embodiments, theauxiliary power system 1410 includes a power take-off. In various embodiments, thehydraulic pump 1414 couples to themotor 1416. In some embodiments, afirst exchange 1500 integrates thehydraulic pump 1414 with themotor 1416. In various embodiments, the exchange is a coaxial ratio. For example, thefirst exchange 1500 may convert a first gearing associated with thehydraulic pump 1414 to a second gearing associated with themotor 1416. In some embodiments, thefirst exchange 1500 is a gear train. Additionally or alternatively, thefirst exchange 1500 may be or include a transmission. In various embodiments, thefirst exchange 1500 includes one or more interlocking gears. In some embodiments, thefirst exchange 1500 is configured to couple a component (e.g., a shaft, an axle, etc.) of thehydraulic pump 1414 to a component of themotor 1416. In various embodiments, a component of thehydraulic pump 1414, themotor 1416, and thefirst exchange 1500 are aligned (e.g., as shown inFIG. 4B ). In some embodiments, asecond exchange 1502 integrates thehydraulic pump 1414 with themotor 1416. In various embodiments, thesecond exchange 1502 translates a force associated with a component in a first position (e.g., on a first plane, etc.) to a component in a second position (e.g., on a second plane, etc.). In various embodiments, thesecond exchange 1502 translates mechanical energy from a component of thehydraulic pump 1414 having a first alignment to a component of themotor 1416 having a second alignment (e.g., as shown inFIG. 4C ). - Referring now to
FIGS. 5A-5D , several placements of theauxiliary power system 1410 are shown, according to several exemplary embodiments. In various embodiments, theauxiliary power system 1410 includes a power take-off configured to supply power (e.g., electrical, mechanical, hydraulic, etc.) to refusevehicle 10. For example, theauxiliary power system 1410 may include a power take-off configured to provide hydraulic power to operate actuators of thetailgate 34. In some embodiments, theauxiliary power system 1410 is positioned between thecab 16 and thebody 14 of refuse vehicle 10 (e.g., as shown inFIGS. 5A-5B ). In some embodiments, positioning theauxiliary power system 1410 between thecab 16 and thebody 14 is preferred for rear-loading and side-loading refuse trucks 10. In some embodiments, theauxiliary power system 1410 is positioned on a side of thebody 14. For example, theauxiliary power system 1410 may be positioned on a rear quarter panel of panels 32 (e.g., as shown inFIG. 5C ). In various embodiments, positioning theauxiliary power system 1410 on a side of therefuse truck 10 facilitates easy access to theauxiliary power system 1410. In some embodiments, theauxiliary power system 1410 is positioned on an underside of the body 14 (e.g., as shown inFIG. 5D ). In various embodiments, theauxiliary power system 1410 may be mounted to theframe 12. It should be understood thatauxiliary power system 1410 may be positioned anywhere onrefuse vehicle 10. - As utilized herein, the terms “approximately,” “about,” “substantially”, and similar terms are intended to have a broad meaning in harmony with the common and accepted usage by those of ordinary skill in the art to which the subject matter of this disclosure pertains. It should be understood by those of skill in the art who review this disclosure that these terms are intended to allow a description of certain features described and claimed without restricting the scope of these features to the precise numerical ranges provided. Accordingly, these terms should be interpreted as indicating that insubstantial or inconsequential modifications or alterations of the subject matter described and claimed are considered to be within the scope of the disclosure as recited in the appended claims.
- It should be noted that the term “exemplary” and variations thereof, as used herein to describe various embodiments, are intended to indicate that such embodiments are possible examples, representations, or illustrations of possible embodiments (and such terms are not intended to connote that such embodiments are necessarily extraordinary or superlative examples).
- The term “coupled” and variations thereof, as used herein, means the joining of two members directly or indirectly to one another. Such joining may be stationary (e.g., permanent or fixed) or moveable (e.g., removable or releasable). Such joining may be achieved with the two members coupled directly to each other, with the two members coupled to each other using a separate intervening member and any additional intermediate members coupled with one another, or with the two members coupled to each other using an intervening member that is integrally formed as a single unitary body with one of the two members. If “coupled” or variations thereof are modified by an additional term (e.g., directly coupled), the generic definition of “coupled” provided above is modified by the plain language meaning of the additional term (e.g., “directly coupled” means the joining of two members without any separate intervening member), resulting in a narrower definition than the generic definition of “coupled” provided above. Such coupling may be mechanical, electrical, or fluidic.
- References herein to the positions of elements (e.g., “top,” “bottom,” “above,” “below”) are merely used to describe the orientation of various elements in the FIGURES. It should be noted that the orientation of various elements may differ according to other exemplary embodiments, and that such variations are intended to be encompassed by the present disclosure.
- The hardware and data processing components used to implement the various processes, operations, illustrative logics, logical blocks, modules and circuits described in connection with the embodiments disclosed herein may be implemented or performed with a general purpose single- or multi-chip processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, or, any conventional processor, controller, microcontroller, or state machine. A processor also may be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration. In some embodiments, particular processes and methods may be performed by circuitry that is specific to a given function. The memory (e.g., memory, memory unit, storage device) may include one or more devices (e.g., RAM, ROM, Flash memory, hard disk storage) for storing data and/or computer code for completing or facilitating the various processes, layers and modules described in the present disclosure. The memory may be or include volatile memory or non-volatile memory, and may include database components, object code components, script components, or any other type of information structure for supporting the various activities and information structures described in the present disclosure. According to an exemplary embodiment, the memory is communicably connected to the processor via a processing circuit and includes computer code for executing (e.g., by the processing circuit or the processor) the one or more processes described herein.
- The present disclosure contemplates methods, systems and program products on any machine-readable media for accomplishing various operations. The embodiments of the present disclosure may be implemented using existing computer processors, or by a special purpose computer processor for an appropriate system, incorporated for this or another purpose, or by a hardwired system. Embodiments within the scope of the present disclosure include program products comprising machine-readable media for carrying or having machine-executable instructions or data structures stored thereon. Such machine-readable media can be any available media that can be accessed by a general purpose or special purpose computer or other machine with a processor. By way of example, such machine-readable media can comprise RAM, ROM, EPROM, EEPROM, or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to carry or store desired program code in the form of machine-executable instructions or data structures and which can be accessed by a general purpose or special purpose computer or other machine with a processor. Combinations of the above are also included within the scope of machine-readable media. Machine-executable instructions include, for example, instructions and data which cause a general purpose computer, special purpose computer, or special purpose processing machines to perform a certain function or group of functions.
- Although the figures and description may illustrate a specific order of method steps, the order of such steps may differ from what is depicted and described, unless specified differently above. Also, two or more steps may be performed concurrently or with partial concurrence, unless specified differently above. Such variation may depend, for example, on the software and hardware systems chosen and on designer choice. All such variations are within the scope of the disclosure. Likewise, software implementations of the described methods could be accomplished with standard programming techniques with rule-based logic and other logic to accomplish the various connection steps, processing steps, comparison steps, and decision steps.
- It is important to note that the construction and arrangement of the
refuse vehicle 10 and the systems and components thereof as shown in the various exemplary embodiments is illustrative only. Additionally, any element disclosed in one embodiment may be incorporated or utilized with any other embodiment disclosed herein. Although only one example of an element from one embodiment that can be incorporated or utilized in another embodiment has been described above, it should be appreciated that other elements of the various embodiments may be incorporated or utilized with any of the other embodiments disclosed herein.
Claims (20)
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US11697338B2 (en) | 2021-08-13 | 2023-07-11 | Oshkosh Defense, Llc | Electrified military vehicle |
US11376958B1 (en) | 2021-08-13 | 2022-07-05 | Oshkosh Defense, Llc | Electrified military vehicle |
US11465486B1 (en) | 2021-08-13 | 2022-10-11 | Oshkosh Defense, Llc | Electrified military vehicle |
US11383694B1 (en) | 2021-08-13 | 2022-07-12 | Oshkosh Defense, Llc | Electrified military vehicle |
US11505062B1 (en) | 2021-08-13 | 2022-11-22 | Oshkosh Defense, Llc | Electrified military vehicle |
US11376990B1 (en) | 2021-08-13 | 2022-07-05 | Oshkosh Defense, Llc | Electrified military vehicle |
US11890940B2 (en) | 2021-08-13 | 2024-02-06 | Oshkosh Defense, Llc | Electrified military vehicle |
US11597399B1 (en) | 2021-08-13 | 2023-03-07 | Oshkosh Defense, Llc | Electrified military vehicle |
US11485228B1 (en) | 2021-08-13 | 2022-11-01 | Oshkosh Defense, Llc | Electrified military vehicle |
US11511613B1 (en) | 2021-08-13 | 2022-11-29 | Oshkosh Defense, Llc | Electrified military vehicle |
US11958361B2 (en) | 2021-08-13 | 2024-04-16 | Oshkosh Defense, Llc | Electrified military vehicle |
US11498409B1 (en) | 2021-08-13 | 2022-11-15 | Oshkosh Defense, Llc | Electrified military vehicle |
US11972670B2 (en) * | 2022-12-23 | 2024-04-30 | Oshkosh Corporation | Thermal management controls |
Also Published As
Publication number | Publication date |
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US11964566B2 (en) | 2024-04-23 |
US20200398670A1 (en) | 2020-12-24 |
US20210339632A1 (en) | 2021-11-04 |
US11097617B2 (en) | 2021-08-24 |
CA3079830A1 (en) | 2020-11-03 |
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