Liebherr-mischtechnik GmbH

Allemagne

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Type PI
        Brevet 6
        Marque 4
Juridiction
        États-Unis 5
        Europe 2
        Canada 2
        International 1
Date
2021 1
Avant 2020 7
Classe IPC
B28C 5/42 - Appareillage spécialement adapté pour être monté sur des véhicules avec possibilité de mélanger au cours du transport 5
B60P 3/16 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour porter du mélange de béton, p. ex. avec tambour tournant 4
B28C 5/18 - Mélange dans des récipients mis en mouvement pour effectuer ce mélange 2
B28C 7/16 - Moyens de déchargement 1
B60K 25/00 - Entraînements auxiliaires 1
Voir plus
Classe NICE
07 - Machines et machines-outils 4
09 - Appareils et instruments scientifiques et électriques 4
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules 4
Statut
En Instance 2
Enregistré / En vigueur 8

1.

TRUCK-MOUNTED CONCRETE PUMP

      
Numéro d'application 17197984
Statut En instance
Date de dépôt 2021-03-10
Date de la première publication 2021-09-16
Propriétaire Liebherr-Mischtechnik GmbH (Allemagne)
Inventeur(s)
  • Seifried, Raphael
  • Fetzer, Johannes
  • Westermann, Karl

Abrégé

The invention relates to a truck-mounted concrete pump having at least one travelling-drive motor and a hydraulic pumping device for delivering liquid concrete, wherein at least one electric motor is provided and the hydraulic pumping device can be driven either by the at least one travelling-drive motor or the at least one electric motor, characterized in that the travelling-drive motor is connected by way of a power take-off of a transfer gearbox of the travelling-drive train of the truck-mounted concrete pump to a branching gearbox, with a first gearbox input of the branching gearbox being coupled with the power take-off of the travelling-drive motor and a second gearbox input being coupled with the electric motor, and the gearbox output of the branching gearbox being connected to at least one hydraulic pump of the hydraulic pumping device.

Classes IPC  ?

  • F04D 13/02 - Ensembles comprenant les pompes et leurs moyens d'entraînement
  • B60P 3/16 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour porter du mélange de béton, p. ex. avec tambour tournant
  • F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité

2.

XXT

      
Numéro d'application 1470736
Statut Enregistrée
Date de dépôt 2019-01-07
Date d'enregistrement 2019-01-07
Propriétaire Liebherr-Mischtechnik GmbH (Allemagne)
Classes de Nice  ?
  • 07 - Machines et machines-outils
  • 09 - Appareils et instruments scientifiques et électriques
  • 12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules

Produits et services

Mixing installations of all kinds, in particular concrete mixing installations; conveyor machines for the construction industry; fixed mountable and convertible concrete pumps (machines); concrete pumps (machines) for mounting on chassis, vehicles and crawler tracks; concrete distribution booms; truck-mounted concrete pumps; parts and fittings for the aforesaid goods, in particular crawler tracks; stirring machines; mobile agitators; machines for homogenising biomass, in particular in biogas installations, manure containers and sewage treatment plants; earth-moving apparatus of all kinds, in particular hydraulic excavators, rail-road excavators, wheel loaders, bulldozers, crawler loaders, cable excavators; pile driving and drilling apparatus, rotary drilling apparatus, industrial drilling apparatus; machine tools; material handling apparatus of all kinds, in particular wood handling apparatus, hydraulic excavators, telescopic loaders, reach stackers; pipe layers; crawler conveyors; crusher plants; cranes of all kinds, in particular tower cranes, automobile cranes, deck cranes, container cranes, mobile wharf cranes, crawler cranes, stacker cranes (reach stackers); gas and diesel engines for combined heat and power plants; machines and machine tools, in particular gear cutting machines, including gear shaping machines, roller milling machines, gear hobbing machines, and tools therefor, in particular gear cutting tools; recycling machines; installations for material handling engineering, in particular gantry robots, transport belts, workpiece storage systems, workpiece pallet storage systems; robot cells for workpiece processing; hydraulic and electromechanical winches; belts for conveyors; live rings being parts of wind-powered installations for generating electricity; hydraulic flight control units; parts and fittings for the aforesaid goods, in particular vehicle chassis, diesel engines, exhaust gas treatment installations, diesel-hydraulic hybrid drive units; electric motors, hydraulic and pneumatic motor and engine control apparatus and actuators, gear boxes, including pump drives, valves, cylinders and hydraulic components, equipment, including lifting gear; machine tools and attachment therefor, including buckets, grippers, shovels; hydraulic quick-coupling systems for attachment tools; quick-coupling adapters and oscillation tools being parts of machines, hydraulic hammers, pipe tongs; telescopic wheel loaders; support systems, in particular for mobile cranes and truck-mounted concrete pumps. Surveying, optical, measuring, signalling and checking (supervision) apparatus and instruments, in particular tooth measuring gauges, position sensors, position detection systems, measuring tapes, folding rules; electronic control systems for mixing installations; electronic controls, in particular for cranes of all kinds, earth-moving equipment of all kinds and machine tools; controllers for support systems for construction equipment, in particular mobile cranes and truck-mounted concrete pumps; motor control apparatus; driver assistance systems and parts therefor, in particular display monitors, cameras; controllers and regulators for air conditioning apparatus and heating vents, converters; software and control software for air conditioning installations and heating vents for rail vehicles; software, in particular diagnostic software for air conditioning installations and heating vents for rail vehicles; flight supervision devices; flight control devices; flight simulators for aeronautical machines; computers for managing control of aircraft equipment systems, in particular activation systems and air conditioning systems; nose guiding systems; switching power supplies, sensors for current, voltage, position and other variables; frequency converters for controlling engines and motors; active mains rectifiers with feedback possibilities; capacitor modules for energy buffering; double layer capacitors; battery modules for energy buffering; DC/DC actuators; hardware and software for support systems for concrete pumps (machines) for stationary mounting and conversion, and for concrete pumps (machines) that can be mounted on vehicle chassis, vehicles and crawler tracks; electronic components; control electronics; data transmission systems; complete switching installations for control and drive technology; hardware and software for visualising electronic data; user interfaces for machine controls, in particular for control of toothed machines; humidity meters; simulators, in particular crane simulators and crawler simulators; cable test stations; pocket calculators; software; mouse pads; eyeglasses and cases therefor; test benches; electrical and electronic devices, equipment and apparatus for the purposes of telematics, data processing and telecommunications, equipment and apparatus for broadcasting, reception and transmission of information, data processing equipment, computer terminals for telephone, cable, satellite and/or telematic networks; terminals for telematics, carriers of all kinds for recording and reproducing sound, images or signals; computers, micro-computers, computers, computer peripherals, memories for computers, modems, interfaces, printers, consoles, cables, video discs, optical discs, digital discs, laser discs, infrared remote controls, ultrasound equipment for laboratory use, printed circuits; devices for the capture, retrieval, recording, processing, storage, transmission, broadcasting, reception and reproduction of digital or non-digital information, data, text, sound and images; software and hardware for the data connection of components in mobile work machines, in particular earthmoving machines, cranes and marine equipment; computers, microcomputer apparatus or downloadable software applications [apps]; analysis and diagnostic tools, apparatus for evaluating the operation of and/or faults with mobile work machines, cranes and marine equipment; controllers and software and control software for refrigerating installations, refrigerating and freezing apparatus, climatised wine cabinets, dispensing installations for beverages, in particular beer. Truck mixers, mining trucks, dumpers; parts and fittings for the aforesaid goods, in particular vehicle chassis, diesel engines, exhaust gas treatment installations, generators, electric motors, hybrid drive units, in particular diesel-electric and diesel-hydraulic hybrid drive units, motor and engine control apparatus; hydraulic modules, in particular suspension systems; actuators for tilting technology and level control, including transverse spring centring systems, special dampers, hydropneumatic suspension systems, in particular for rail vehicles and buses; actuation mechanisms for controlling and operating rudder surfaces, in particular vertical rudders, and air brakes, cargo doors, rotor blade drives, travelling gear and other aviation-related applications, including fuelling systems, rotor blades for propulsion mechanisms, thrust-reversers and thrust vectors; actuators being power-operated parts of air-brake devices; thrust reversal systems; drives for cargo compartment doors, landing gear hatches and landing gear; landing gear systems, in particular for aeronautical machines; jet adjustment systems for driving gear; doors and brake devices for rail vehicles; municipal vehicles; vehicles for mixing installations of all kinds, in particular for concrete mixing installations, winding machines for the construction industry, concrete pumps (machines) for stationary mounting and conversion, concrete pumps (machines) that can be mounted on vehicle chassis and crawler tracks, concrete distribution booms and truck-mounted concrete pumps; parts and fittings in the form of vehicle chassis for mixing installations, conveyor machines for the construction industry, fixed mountable and convertible concrete pumps (machines), concrete pumps (machines) for mountain on chassis, vehicles and crawler tracks, concrete distribution booms, truck-mounted concrete pumps.

3.

XXT

      
Numéro de série 79260311
Statut Enregistrée
Date de dépôt 2019-01-07
Date d'enregistrement 2020-05-05
Propriétaire Liebherr-Mischtechnik GmbH (Allemagne)
Classes de Nice  ?
  • 07 - Machines et machines-outils
  • 09 - Appareils et instruments scientifiques et électriques
  • 12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules

Produits et services

Concrete mixing machines; conveyor machines for the construction industry; fixed mountable and convertible concrete pumps being machines; concrete pumps being machines, for mounting on chassis, vehicles and crawler tracks; concrete distribution booms; truck-mounted concrete pumps being machines; parts for the aforesaid goods, namely, crawler tracks; concrete stirring machines; mobile agitators for circulating liquid media; machines for homogenizing biomass in biogas installations, manure containers and sewage treatment plants; support systems comprising outriggers and support arms, in particular for operation of mobile cranes and truck-mounted concrete pumps Electronic control systems for mixing installations; electronic controls for cranes, earth-moving equipment and machine tools; electronic controllers for support systems for construction equipment, namely, mobile cranes and truck-mounted concrete pumps; hardware and recorded computer software for support systems for concrete pumps machines for stationary mounting and conversion, and for concrete pump machines that can be mounted on vehicle chassis, vehicles and crawler tracks Truck mixers being concrete mixing trucks, mining trucks, dumpers; parts for the aforesaid goods, namely, vehicle chassis; vehicles for concrete mixing machines; parts in the form of vehicle chassis for mixing machines

4.

XXT

      
Numéro d'application 017938352
Statut Enregistrée
Date de dépôt 2018-07-31
Date d'enregistrement 2019-03-19
Propriétaire Liebherr-Mischtechnik GmbH (Allemagne)
Classes de Nice  ?
  • 07 - Machines et machines-outils
  • 09 - Appareils et instruments scientifiques et électriques
  • 12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules

Produits et services

Mixing installations of all kinds, in particular concrete mixing installations; Conveyor machines for the construction industry; Fixed mountable and convertible concrete pumps (machines); Concrete pumps (machines) for mounting on chassis, vehicles and crawler tracks; Concrete distribution booms; Truck-mounted concrete pumps; Parts and fittings for the aforesaid goods, in particular vehicle chassis and crawler tracks; Stirring devices; Mobile agitators; Machines for homogenising biomass, in particular in biogas installations, manure containers and sewage treatment plants; Earth-moving apparatus of all kinds, in particular hydraulic excavators, rail-road excavators, wheel loaders, bulldozers, crawler loaders, cable excavators; Pile driving and drilling apparatus, rotary drilling apparatus, industrial drilling apparatus; Working tools; Material handling apparatus of all kinds, in particular wood handling apparatus, hydraulic excavators, telescopic loaders, reach stackers; Pipe layers; Crawler conveyors; Crusher plants; Cranes of all kinds, in particular tower cranes, automobile cranes, deck cranes, container cranes, mobile wharf cranes, crawler cranes, stacker cranes (reach stackers); Gas and diesel engines for combined heat and power plants; Machines and machine tools, in particular gear cutting machines, including gear shaping machines, roller milling machines, gear hobbing machines, and tools therefor, in particular gear cutting tools; Recycling installations; Installations for material handling engineering, in particular gantry robots, transport belts, workpiece storage systems, workpiece pallet storage systems; Robot cells for workpiece processing; Hydraulic and electromechanical winches; Belts for conveyors; Live rings for wind installations; Hydraulic flight control units; Parts and fittings for the aforesaid goods, in particular vehicle chassis, diesel engines, exhaust gas treatment installations, diesel-hydraulic hybrid drive units; Electric motors, motor and engine control apparatus, actuators, gear boxes, including pump drives, valves, cylinders and hydraulic components, equipment, including lifting gear; Working tools and attachment tools, including buckets, grippers, shovels; Hydraulic quick-coupling systems for attachment tools; Quick-coupling adapters, oscillation tools, hydraulic hammers, pipe tongs; Cabs; Telescopic wheel loaders; Support systems, in particular for mobile cranes and truck-mounted concrete pumps. Surveying, optical, measuring, signalling and checking (supervision) apparatus and instruments, in particular tooth measuring gauges, position sensors, position detection systems, measuring tapes, folding rules; Electronic control systems for mixing installations; Electronic controls, in particular for cranes of all kinds, earth-moving equipment of all kinds and machine tools; Controllers for support systems for construction equipment, in particular mobile cranes and truck-mounted concrete pumps; motor control apparatus; Driver assistance systems and parts therefor, in particular display monitors, cameras; Controllers and regulators for air conditioning apparatus and heating vents, converters; Travelling gear and bogie controls; Software and control software for air conditioning installations and heating vents for rail vehicles; Software, in particular diagnostic software for air conditioning installations and heating vents for rail vehicles; Flight supervision devices; Flight control devices; Flight simulators for aeronautical machines; Control computers for aircraft equipment systems, in particular activation systems and air conditioning systems; Nose guiding systems; Switching power supplies, sensors for current, voltage, position and other variables; Frequency converters for controlling engines and motors; Active mains rectifiers with feedback possibilities; Capacitor modules for energy buffering; Double layer capacitors; Battery modules for energy buffering; DC/DC actuators; Hardware and software for support systems for concrete pumps (machines) for stationary mounting and conversion, and for concrete pumps (machines) that can be mounted on vehicle chassis, vehicles and crawler tracks; Electronic components; Control electronics; Data transmission systems; Complete switching installations for control and drive technology; Hardware and software for visualising electronic data; User interfaces for machine controls, in particular for control of toothed machines; Humidity meters; Simulators, in particular crane simulators and crawler simulators; Cable test stations; Pocket calculators; Software; Mouse pads; Eyeglasses and cases therefor; Test benches; Electrical and electronic devices, equipment and apparatus for the purposes of telematics, data processing and telecommunications, equipment and apparatus for broadcasting, reception and transmission of information, data processing equipment, computer terminals for telephone, cable, satellite and/or telematic networks; Terminals for telematics, carriers of all kinds for recording and reproducing sound, images or signals; Computers, micro-computers, computers, computer peripherals, memories for computers, modems, interfaces, printers, consoles, cables, video discs, optical discs, digital discs, laser devices, infra-red devices, ultrasound equipment, printed circuits; Devices for the capture, retrieval, recording, processing, storage, transmission, broadcasting, reception and reproduction of digital or non-digital information, data, text, sound and images; Software and hardware for the data connection of components in mobile work machines, in particular earthmoving machines, cranes and marine equipment; Computers, Microcomputer apparatus or Internet applications; Analysis and diagnostic tools, apparatus for evaluating the operation of and/or faults with mobile work machines, cranes and marine equipment; Controllers and regulators, and software and control software for refrigerating installations, refrigerating and freezing apparatus, climatised wine cabinets, dispensing installations for beverages, in particular beer. Truck mixers, Mining trucks, Dumpers; Parts and fittings for the aforesaid goods, in particular vehicle chassis, diesel engines, exhaust gas treatment installations, generators, electric motors, hybrid drive units, in particular diesel-electric and diesel-hydraulic hybrid drive units, motor and engine control apparatus; Hydraulic modules, in particular suspension systems; Actuators for tilting technology and level control, including transverse spring centring systems, special dampers, hydropneumatic suspension systems, in particular for rail vehicles and buses; Actuation mechanisms for controlling and operating rudder surfaces, in particular vertical rudders, and air brakes, cargo doors, rotor blade drives, travelling gear and other aviation-related applications, including fuelling systems, rotor blades for propulsion mechanisms, thrust-reversers and thrust vectors; Actuators being power-operated parts of air-brake devices; Thrust reversal systems; Drives for cargo compartment doors, landing gear hatches and landing gear; Landing gear systems, in particular for aeronautical machines; Jet adjustment systems for driving gear; Doors and brake devices for rail vehicles; Municipal vehicles; Vehicles for mixing installations of all kinds, in particular for concrete mixing installations, winding machines for the construction industry, concrete pumps (machines) for stationary mounting and conversion, concrete pumps (machines) that can be mounted on vehicle chassis and crawler tracks, concrete distribution booms and truck-mounted concrete pumps.

5.

Agrotwist

      
Numéro d'application 013584446
Statut Enregistrée
Date de dépôt 2014-12-17
Date d'enregistrement 2015-07-27
Propriétaire Liebherr-Mischtechnik GmbH (Allemagne)
Classes de Nice  ?
  • 07 - Machines et machines-outils
  • 09 - Appareils et instruments scientifiques et électriques
  • 12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules

Produits et services

Mixing installations of all kinds, in particular concrete mixing installations; Earth-moving equipment of all kinds, in particular hydraulic excavators, wheel loaders, bulldozers, loading tractors, cable excavators; Cranes of all kinds, in particular tower cranes, automobile cranes, deck cranes, container cranes, mobile wharf cranes, crawler cranes, stacker cranes (reach stackers); Machine tools, In particular gear cutting machines, including gear shaping machines and tools associated therewith, in particular gear cutting tools, Gear hobbing machines; Recycling installations; Installations for material flow engineering, in particular gantry robots and belts for conveyors; Parts and accessories for the aforesaid goods, in particular landing gear, diesel engines, electric motors, actuators, valves, cylinders and hydraulic components; Hydraulic and electromechanical winches; Belts for conveyors; Live rings for wind installations; Hydraulic flight control units; Material handling apparatus of all kinds, in particular hydraulic excavators; Conveyor machines for the construction industry; Fixed mountable and convertible concrete pumps (machines); Concrete pumps (machines) for mounting on chassis, vehicles and crawler tracks; Concrete distribution booms; Truck-mounted concrete pumps, parts and accessories for the aforesaid goods, in particular diesel engines, electric motors; Stirring devices; Mobile agitators; Machines for homogenising biomass, in particular in biogas installations, manure containers and sewage treatment plants; Actuators being power-operated parts of air brake devices; Actuation mechanisms for controlling and operating rudder surfaces, in particular vertical rudders, and air brakes, cargo doors, rotor blade drives, travelling gear and other aviation-related applications, including fuelling systems, rotor blades for propulsion mechanisms, thrust-reversers and thrust vectors. Surveying, optical, measuring, signalling and checking (supervision) apparatus and instruments, in particular tooth measuring gauges, position sensors, position detection systems, measuring tapes, folding rules; Electronic control systems for mixing installations; Electronic controls, in particular for cranes of all kinds, earth-moving equipment of all kinds and machine tools; Controls and regulators for air conditioning apparatus and heating vents, converters, hydraulic modules, in particular damping systems, actuators for tilting systems, transverse spring centering systems, special-purpose dampers, hydropneumatic suspension systems; Travelling gear and bogie controls; Controllers for support systems for construction equipment, in particular mobile cranes; Software and control software for air conditioning installations and heating vents for rail vehicles; Software, In particular diagnostic software for air conditioning installations and heating vents for rail vehicles; Flight supervision devices; Flight control devices; Flight simulators for aeronautical machines; Computer hardware and control and checking (supervision) software and components; Control computers for aircraft equipment systems, in particular activation systems and air conditioning systems; Nose steering systems (automatic control apparatus for aircraft, cranes and ships); Spectacles and spectacle cases; Pocket calculators; Computer programs; Mouse pads; Frequency converters for controlling engines and motors; Active mains rectifiers with feedback possibilities; Capacitor modules for energy buffering; Double layer capacitors; Battery modules for energy buffering; DC/DC actuators; Switching power supplies, sensors for current, voltage, position and other variables; Control electronics; Complete switchgear for drive technology; Visualisation systems; User interfaces for machine controls, in particular for control of toothed machines. Travelling mixers, mining trucks, parts and accessories for the aforesaid goods, in particular landing gear, diesel engines, electric motors; Parts and fittings for aforesaid goods, In particular running gear, diesel engines and motors, Electric motors; Thrust reversal systems; Drives for cargo compartment doors, landing gear hatches and landing gear; Landing gear systems, in particular for aeronautical machines; Jet adjustment systems for driving gear; Doors and brake devices for rail vehicles.

6.

Truck mixer

      
Numéro d'application 12943583
Numéro de brevet 08974108
Statut Délivré - en vigueur
Date de dépôt 2010-11-10
Date de la première publication 2011-05-19
Date d'octroi 2015-03-10
Propriétaire Liebherr-Mischtechnik GmbH (Allemagne)
Inventeur(s) Ruf, Berthold

Abrégé

The present invention relates to a truck mixer having a chassis, a mixer subframe arranged on the chassis and a mixer drum which is arranged over a front drum support and a rear drum support on the mixer subframe, wherein at least the rear drum support is fastened on side members of the mixer subframe via elastic, shape-matched connections, wherein at least one of the connections for the fastening of the rear drum support to a side member of the mixer subframe has a connection arrangement for the shape-matched elastic connection which is arranged within the section width of the side member.

Classes IPC  ?

  • B28C 5/18 - Mélange dans des récipients mis en mouvement pour effectuer ce mélange
  • B28C 5/42 - Appareillage spécialement adapté pour être monté sur des véhicules avec possibilité de mélanger au cours du transport
  • B60P 3/16 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour porter du mélange de béton, p. ex. avec tambour tournant
  • B62D 27/04 - Assemblages entre sous-ensembles de la carrosserie élastiques
  • B62D 27/06 - Assemblages entre sous-ensembles de la carrosserie rapidement démontables

7.

Drum drive for a truck mixer

      
Numéro d'application 12700136
Numéro de brevet 08864364
Statut Délivré - en vigueur
Date de dépôt 2010-02-04
Date de la première publication 2010-09-09
Date d'octroi 2014-10-21
Propriétaire Liebherr-Mischtechik GmbH (Allemagne)
Inventeur(s) Zenne, Gerhard

Abrégé

The present invention relates to a drum drive for a truck mixer with a vehicle drive train and a mixing drum, wherein the drum drive can be driven by at least one electric motor.

Classes IPC  ?

  • B28C 5/42 - Appareillage spécialement adapté pour être monté sur des véhicules avec possibilité de mélanger au cours du transport
  • B60P 3/16 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour porter du mélange de béton, p. ex. avec tambour tournant

8.

Control for a truck mixer

      
Numéro d'application 12148326
Numéro de brevet 10369722
Statut Délivré - en vigueur
Date de dépôt 2008-04-18
Date de la première publication 2008-11-13
Date d'octroi 2019-08-06
Propriétaire Liebherr—Mischtechnik GmbH (Allemagne)
Inventeur(s)
  • Frey, Werner
  • Ruf, Berthold

Abrégé

The present invention relates to a control for truck mixers having a hydraulically driven mixer drum, with the hydraulic pump of the mixer drive being driven by the drive motor of the truck mixer or by a separate motor. In accordance with the invention, the speed of the drive motor is adjustable in dependence on the demanded drum speed, with the desired drum speed being able to be set via an operating lever.

Classes IPC  ?

  • B28C 5/18 - Mélange dans des récipients mis en mouvement pour effectuer ce mélange
  • B28C 5/42 - Appareillage spécialement adapté pour être monté sur des véhicules avec possibilité de mélanger au cours du transport

9.

CONCRETE PUMP ASSEMBLY

      
Numéro de document 03062200
Statut En instance
Date de dépôt 2019-11-21
Propriétaire LIEBHERR-MISCHTECHNIK GMBH (Allemagne)
Inventeur(s)
  • Fetzer, Johannes
  • Seitz, Viktor

Abrégé



The invention relates to a concrete pump assembly with at least two feed
cylinders for
conveying concrete, and at least two hydraulic drive cylinders moving the feed

cylinders, wherein the drive cylinders are coupled to one another in a torsion-
resistant
manner via at least one connecting means. According to the invention, the
drive
cylinders and the at least one connecting means, in which the at least one
valve is
configured in an integrated manner, are formed as a drive unit that can be pre-

assembled.

Classes IPC  ?

  • B28C 5/42 - Appareillage spécialement adapté pour être monté sur des véhicules avec possibilité de mélanger au cours du transport
  • B28C 7/16 - Moyens de déchargement
  • E04G 21/04 - Dispositifs pour transporter et distribuer en même temps
  • F04B 15/02 - Pompes adaptées pour travailler avec des fluides particuliers, p. ex. grâce à l'emploi de matériaux spécifiés pour la pompe elle-même ou certaines de ses parties les fluides étant visqueux ou non homogènes

10.

CONTROL FOR A TRUCK MIXER

      
Numéro de document 02628511
Statut Délivré - en vigueur
Date de dépôt 2008-04-04
Date d'octroi 2016-01-05
Propriétaire LIEBHERR-MISCHTECHNIK GMBH (Allemagne)
Inventeur(s)
  • Frey, Werner
  • Ruf, Berthold

Abrégé

The present invention relates to a control for truck mixers having a hydraulically driven mixer drum, with the hydraulic pump of the mixer drive being driven by the drive motor of the truck mixer or by a separate motor. In accordance with the invention, the speed of the drive motor is adjustable in dependence on the demanded drum speed, with the desired drum speed being able to be set via an operating lever.

Classes IPC  ?

  • B28C 5/42 - Appareillage spécialement adapté pour être monté sur des véhicules avec possibilité de mélanger au cours du transport
  • B60K 25/00 - Entraînements auxiliaires
  • B60P 3/16 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour porter du mélange de béton, p. ex. avec tambour tournant