Crawler excavator - R 966 LITRONIC - Liebherr - for construction

  • Energy Savings in the Hydraulic Circuit of Agricultural

    ScienceDirect 68th Conference of the Italian Thermal Machines Engineering Association, ATI2013 Energy Savings in the Hydraulic Circuit of Agricultural Tractors. Massimo Borghia, Barbara Zardina*, Francesco Pintorea, Francesco Belluzzia a DIEF-Engineering Department Enzo Ferrari, Strada Vignolese 905/b, Modena, 41125, Italy Abstract

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  • Energy-Saving Hydraulics

    Jan 16, 2009 · The four Peterbilt 320 vehicles in Fort Worth use a Hydraulic Launch Assist system developed by Eaton Corp. to capture and store energy during braking, which not only improves efficiency but reduces wear on break pads. The stored energy is then transferred to accelerate the vehicle to the next pickup location, reducing fuel consumption and wear

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  • Power control strategy and performance evaluation of a

    Energy recovery and regeneration comprise an effective way to improve hydraulic excavator fuel economy. This paper proposes a novel electro-hydraulic energy-saving system to integrate recovery and regeneration devices. The working conditions of excavators and system configuration of the proposed system are analyzed.

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  • A new type of hydrokinetic accumulator and its simulation

    "A high-efficient solution for electro-hydraulic actuators with energy regeneration capability," Energy, Elsevier, vol. 216(C). Kwon, Hyukjoon & Ivantysynova, Monika, 2021. "Experimental and theoretical studies on energy characteristics of hydraulic hybrids for thermal management," Energy, Elsevier, vol. 223(C).

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  • JMHB-H hydraulic breakers | Komatsu

    Breakers with exceptional impact energy. A hydraulic breaker engineered to be compatible with your Komatsu excavator. Designed for longevity, the breaker protects itself with a patented pressure regulator valve to prevent overflow, while its blank firing protection can save you time and money. Its core is secured inside a sound dampening

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  • (PDF) Energy Efficient Hydraulics – System Solutions for

    The procedure of energy saving by using a hydraulic system may be categorized as hybridization, control algorithms, waste energy recovery and reduction of energy losses from the system [11][12

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  • The effects of control methods on energy efficiency and

    hydraulic system have been replaced with two lithium ion batteries and electromechanical linear actuators, respectively [7]. In [10], an electric hydraulic excavator configuration was proposed to improve the overall energy efficiency and eliminate emissions; it consisted of an in-dependent metering-in and metering-out hydraulic system and a

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  • Volvo CE Designs Cost Saving Excavator System | CK

    Sep 16, 2021 · The hydraulic energy storage, which is made up of hydraulic accumulators, aids energy-efficiency recovery of kinetic energy and peak power supply. For the excavator's cylinder-driven functions, 'smart actuators' are used to realise energy-efficient conversion from hydraulic power to …

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  • Study on energy regeneration of hybrid hydraulic excavator

    Oct 19, 2016 · Facing the energy crisis and environmental problems, saving energy of construction machinery, especially in the hydraulic excavator is very important. Regeneration of the potential energy is an effective solution to save energy. However, the conventional hybrid excavator can't regenerate the potential energy. This paper proposes a new structure of hydraulic excavator as well as a control

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  • Available online at .sciencedirect.com ScienceDirect

    xto determine the main indices of the excavator with the efficient force diagram and to assess its energy consumption level. 3. The results In this paper the technical level of electromechanical (shovels) and hydraulic excavators is estimated by comparing specific values of its main indices. Table. 1 shows technical characteristics of excavators.

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  • Demolition machines for selective dismantling, wrecking

    SENNEBOGEN offers a wide range of demolition machines: whether you choose a hydraulic excavator, material handler or duty cycle crane, you will get a highly efficient and robust construction machine for demolition work. The robust hydraulic excavators have a high performance and can be used for a wide range of activities

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  • Efficient and Innovative Components for Better Use of

    planetary gearboxes with an integrated hydraulic motor with swashplate design for use in open hydraulic circuits (Fig. 5). Series GFT/GFB 2000 represents the solution for machi-nes that are predominantly operated in swing mode with an auxiliary travel function. The example of a …

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  • Energy recovery for hybrid hydraulic excavators: flywheel

    May 01, 2021 · Research on energy saving characteristics of large hydraulic excavator boom driven by dual hydraulic-gas energy storage cylinder J. Mech. Eng., 55 ( 20 ) ( 2019 ), pp. 240 - 248, 10.3901/JME.2019.20.240

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  • An Energy Efficient Power-Split Hybrid Transmission System

    May 28, 2021 · This paper proposes a novel hybrid power-split transmission to drive hydraulic implements in construction machinery. The highly efficient power-split hybrid transmission is combined with displacement-controlled (DC) actuators to eliminate throttling losses within the hydraulic system and achieve higher fuel savings.

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  • Development and Application of Co-simulation and "Control

    Abstract Due to rising energy costs and tighter emissions restrictions from law regulations, mobile machinery and off-road vehicles manufacturers are forced to develop and exploit new techniques for the reduction of fuel consumption and pollutant emission. The main focus in this direction is the optimization of the matching between the fluid power circuit and the thermal engine to improve the

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  • Hydraulic Control of Machine Tools - 1st Edition

    Description. Hydraulic Control of Machine Tools presents the wide range of application of hydraulic drives. This book discusses the methods, principles of design of hydraulic systems, and their equipment. Organized into 11 chapters, this book begins with an overview of hydraulic drives that utilize mainly the kinetic energy of the flow.

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  • Energy saving solutions for a hydraulic excavator

    Sep 01, 2017 · Effective solutions to reduce these losses are that of introducing a second LS pump, dividing the actuators on the basis of the power demand, and that of reducing the pump margin setup 1106 Paolo Casoli et al. / Energy Procedia 126 (201709) 1099â€"1106 8 Paolo Casoli et al./ Energy Procedia 19 (2017) 000â€"000 without penalizing the performance of the excavator but improving the …

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  • Energy Savings in the Hydraulic Circuit of - ScienceDirect

    Jan 01, 2014 · Keywords: Tractor, Hydraulic Circuit, Energy Saving, Variable Displacement Pump, Independent Metering. 1. Introduction This study considers a portion of the hydraulic circuit of a medium-size tractor that is composed by the variable displacement axial piston pump and the remote line with proportional distributors and actuators.

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  • A Perfect Match | Danfoss

    Apr 16, 2021 · Through the Editron & Digital Displacement® Perfect Match, Danfoss is bringing the electrification of excavators (and other medium and heavy construction machines) to the next level by making it more efficient and finally commercially viable.This solution is pushing the existing limits by enabling the total business case to become positive even for larger machines.

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  • Groundbreaking electro-hydraulic system wins Volvo

    Sep 06, 2021 · The energy storage, which consists of hydraulic accumulators, enables energy-efficient recovery of kinetic energy and peak power supply. For cylinder-driven functions, so-called "smart actuators" are used to achieve energy-efficient conversion …

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