Shanghai Carter used excavator

  • Electric & Hybrid Vehicle Tech | PDF | Gas Turbine

    electric & hybrid vehicle technology international. 20. technologies to improve your EV development program See page 48. January 2011. Two micro gas turbines, four electric motors and a Li-ion battery pack Jaguar showcases its electric future. Exclusive details inside January 2011 UKIP Media & Events Ltd. BATTERY RECYCLING: With EVs gaining in popularity, the industry now faces a new dilemma

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  • US20110256972A1 - Energy recovery system for a vehicle

    The invention concerns a kinetic energy recovery system for use in a vehicle driveline. The system has a flywheel ( 24 ) serving to store energy. A continuously variable transmission ( 32 ) serves to transfer drive between the flywheel and a drive-line of the vehicle at a steplessly variable CVT speed ratio. The continuously variable transmission has a variator ( 34 ) which has a rotary

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  • Utilization of electric prime movers in hydraulic heavy

    The survey is thematically subdivided into sections and covers all in all the whole electro-hydraulic implement system of an HDMM, as can be seen in Fig. 1.Section 2 is dealing with hydraulic circuit architectures which can be electrified but do not depend on EMs as prime movers, while Section 3 is analyzing novel EHA circuit concepts that are based on the control capabilities of EMs.

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  • Ritchie Bros. acquisition spree lands SmartEquip for US

    Sep 27, 2021 · Ritchie Bros. is best known for facilitating sales of heavy equipment and trucks through live auctions and online bidding, while SmartEquip specializes in …

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  • US9102223B2 - Energy recovery system for a vehicle

    The invention concerns a kinetic energy recovery system for use in a vehicle driveline. The system has a flywheel ( 24 ) serving to store energy. A continuously variable transmission ( 32 ) serves to transfer drive between the flywheel and a driveline of the vehicle at a steplessly variable CVT speed ratio. The continuously variable transmission has a variator ( 34 ) which has a rotary

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  • Ritchie Bros. introduces online tool for asset valuation

    Oct 25, 2021 · Ritchie Bros. Asset Solutions is the company's web-based, mobile friendly software tool that empowers equipment owners to upload and track their own assets with real-time market valuations and easily arrange disposition through multiple channels.

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  • Actuators | Special Issue : Electro-Hydraulic Actuators

    Oct 31, 2020 · Pump-controlled systems can be implemented with electro-hydrostatic actuators as electro-hydraulic zones, which are located next to the end actuator as a replacement for the traditional valve-controlled hydraulic actuation systems. In this paper a …

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  • Control of electric drive powertrain based on variable

    Nov 01, 2020 · Zhang et al. proposed an electro-hydraulic micro excavator using zonal hydraulics and realized it using direct driven hydraulics (DDH). The efficiency of the excavator was improved by 11%–24% without regeneration and by 8%–28% when considering regeneration . LUDV systems with good controllability are widely used in construction machinery

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  • Effect of Zonal Hydraulics on Energy Consumption and Boom

    The description of the proposed electro-hydraulic model for this study case and the simulation results and their analysis for energy efciency are presented in Section4. Thereafter, Sections5and6contain a discussion and concluding remarks. 2. Test Case A 1-tonne class J.C. Bamford Excavators Limited (JCB) micro-excavator is utilized as a test case

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  • [PDF] Electric Hydrostatic Actuation - modular building

    Mar 21, 2016 · Electro Hydrostatic Actuators (EHA) are emerging as a viable option for industrial machine builders as the design combines the best of both electro-mechanical and electro-hydraulic technologies. The EHA is a highly integrated, compact alternative to traditional hydraulic solutions. Automation engineers moving toward electro-mechanical actuation in pursuit of energy efficiency and …

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  • Methodology of Excavator System Energy Flow-Down

    The results of the major system are comparable with those published by other authors. The engine system consumes approximately 60% fuel energy and main pump and the hydraulic auxiliary devices consume more than 10% fuel energy. Only about 10% of fuel energy is used on actual work [ …

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  • Energy Management Strategy of a PEM Fuel Cell Excavator

    Dec 26, 2019 · Construction machines are heavy-duty equipment and a major contributor to the environmental pollution. By using only electric motors instead of an internal combustion engine, the problems of low engine efficiency and air pollution can be solved. This paper proposed a novel energy management strategy for a PEM fuel cell excavator with a supercapacitor/battery hybrid power source.

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  • ANALYSIS OF NOVEL ZONAL TWO-CYLINDER ACTUATION …

    developed electro-hydraulic model was tested a single cycle. Figure 8: In - and out- flow from cylinders . The developed Matlab/Simscape model of the DDH will be validated against measurements under typical cycles. In future studies, empirical investigation with detailed energy balance is also needed as the generation mode (motoring mode

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  • Research on energy-saving characteristics of battery

    Aug 15, 2020 · Gottberg O, Kajaste J, Minav T, et al. Energy balance of electro-hydraulic powertrain in a micro excavator. 2018 global fluid power society PhD symposium (GFPS). Samara, Russia, 2018:1-6. …

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  • Energy Balance of Electro-Hydraulic Powertrain in a Micro

    The highlighted points in this study are the overall energy balance of the electro-hydraulic powertrain of this excavator and the power losses in individual components. The measured energy balance of the electric motor powered system is compared with the simulation data obtained from a preliminary simulation model of the system.

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  • 6030 | Cat | Caterpillar

    Electro-Hydraulic Servo Control – Greater Operator Comfort Easier setting of servo control characteristics allow operators to adjust to their preference. Electro-Hydraulic Servo Control – Clean and Quiet Cab Environment No hydraulic lines are present in the cab or the cab module, ensuring a clean arrangement with less noise emission.

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  • Research on energy-saving characteristics of battery

    Aug 15, 2020 · Gottberg O, Kajaste J, Minav T, et al. Energy balance of electro-hydraulic powertrain in a micro excavator. 2018 global fluid power society PhD symposium (GFPS). Samara, Russia, 2018:1-6. …

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  • Maha Fluid Power Research Center - Purdue University

    Ernst, M., and Ivantysynova, M., 2017, "Cylinder bore micro-surface shaping for high pressure axial piston machine operation using water as hydraulic fluid," Proceedings of the ASME/BATH 2017 Symposium on Fluid Power and Motion Control, (FPMC 2017), October …

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  • Press Kits - McLaren Newsroom

    Powertrain comprises all-new twin-turbocharged 3.0-liter V6 petrol engine with an E-motor and energy-dense battery pack, producing combined outputs of 671bhp and 531lb ft uprated electro-hydraulic steering and Proactive Damping Control enhance agility, stability and dynamic performance for example a micro-compact 0.08-inch cooling

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  • Gottberg, Otto; Kajaste, Jyrki; Minav, Tatiana; Kauranne

    study performed with an electrified small sized excavator, a 1.1-tonne JCB Micro, equipped with conventional hydraulics. The highlighted points in this study are the overall energy balance of the electro-hydraulic powertrain of this excavator and the power losses in individual components. The measured energy balance of

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