Expansion cylinder for thermal piston engine, has two double-sided, different volume working chambers, namely small working chamber and large working chamber, where small working chamber is connected to inlet line
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Flange connection shaft for connecting and disconnecting pipe ends in high-pressure hydraulic areas, has pipe whose end is opened and closed by manual shut-off element
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Fluid switch for fluid-conducting coupling pipe utilized as transportation path for fluid at hydraulic system at hydraulic excavator, has fluid channel provided from storage space to pipe, where stroke force is applied for emptying space
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Working machine e.g. hydraulic excavator has sealing ring and guide ring/belt that are provided at sealing and sliding surfaces of chambers
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Energy recovering hydraulic cylinder for e.g. excavator, has cylinder tube partly formed in double-structure and with intermediate region serving as gas remaining storage chamber staying in fluid-transmissive connection with stroke chamber
DE102011105522A1
Excavator e.g. hydraulic excavator, has operative connection unit provided between rear upper platform side deflection bearing and work equipment side deflection bearing in construction of diverter or in construction of hydraulic cylinders
DE102011101421A1
Heavy working machine e.g. hydraulic excavator, has gas-filled support including lubrication chamber in region close to piston rod, and sealing and guiding unit directed downward, so that small amount of oil is included in gas chamber
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Vehicle combination for use in mining industries, comprises lead vehicle controlled by driver and coupled driverless heavy duty vehicle, where coupling is virtual coupling and is referred as electronic drawbar
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Half coupling block of fluid pipe coupling, has constriction portion provided n first extended region, while external thread and/or contact element are provided in another extended region
DE102010049986A1
Heavy wheel mobile hollow vehicle for two-direction-operation in mining industry, has hollow body, discharge chute front and opposite lying load edge front with broad sill
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Quick change device for use in hydraulic excavator to receive e.g. crane bucket, has rotating device completely or partially integrated within natural quick-change unit frame, where frame and rotating device housing form unit
DE102010006496A1
Swivel rotator for work machine i.e. hydraulic excavator, has swiveling device including hydraulic cylinder designed as drive unit, where cylinder has cylinder pipe that is hydraulically shiftable on two rods fixed in side walls of housing
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Wheel loader e.g. large wheel loader, for loading cargo in quarry, has lift frame unit hinged at vehicle frames for carrying loading shovel or working tool, and rear wheel rotated along vertical axis by rotary drive in endless manner
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Wheel-driven heavy dumper for driver-controlled alternative direction operation in mining application, has driver control stations repositionable with movable driver cabin, where driver is repositionable between driver control stations
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Rear suspension for heavy dumpers, has rigid vehicle frame and front vehicle segment with steerable front wheels, and rear frame segment with non-steerable rear wheels
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Hydraulic excavator, particularly load lifting machine, has longitudinal load-supporting vehicle frame, which ends in its rear end with counterweight in revolving structure and receiving support in its front end
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Pivoting device for use in e.g. steering axle of excavator, has pivotable component supported articulatedly to carrier body, and driving elements articulatedly supported between tiltable component and linear adjustable pipe
DE102007061294A1
Hydraulic cylinder has three lifting chambers and piston-shaped lifting chamber, which has fluid opening to hydraulic pipe on working machine side lying in bore of piston rod
DE102007054522A1
Material transporting process for mines, quarries etc. involves altering direction of dump truck independently of truck itself
