Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16H—GEARING
  • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
  • F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
  • B60T10/00—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope
  • B60T10/02—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope with hydrodynamic brake
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
  • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
  • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
  • B60W10/023—Fluid clutches
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
  • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
  • B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
  • B60W10/196—Conjoint control of vehicle sub-units of different type or different function including control of braking systems acting within the driveline, e.g. retarders
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
  • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
  • F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
  • F02B41/02—Engines with prolonged expansion
  • F02B41/10—Engines with prolonged expansion in exhaust turbines
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D11/00—Clutches in which the members have interengaging parts
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
  • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
  • F16D57/04—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders with blades causing a directed flow, e.g. Föttinger type
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
  • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
  • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
  • F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
  • B60W2300/00—Indexing codes relating to the type of vehicle
  • B60W2300/12—Trucks; Load vehicles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
  • B60W2300/00—Indexing codes relating to the type of vehicle
  • B60W2300/15—Agricultural vehicles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
  • B60W2300/00—Indexing codes relating to the type of vehicle
  • B60W2300/17—Construction vehicles, e.g. graders, excavators
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
  • B60Y2200/00—Type of vehicle
  • B60Y2200/40—Special vehicles
• • 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
  • Y02T10/10—Internal combustion engine [ICE] based vehicles
  • Y02T10/12—Improving ICE efficiencies

Definitions

• the present invention relates to a motor vehicle drive train
• agricultural vehicle or special vehicle or for one
• Such a turbocompound system has an im
• Drive motor for driving the motor vehicle drive train can be added to drive wheels and / or another unit of the
• turbocompound system for example in the bearings of the exhaust gas turbine and the mechanical drive connection, via which the When the turbine is connected to the motor vehicle drive train, even operating states can occur in which the efficiency of the drive motor is worsened compared to a corresponding drive motor without turbocompound system.
• the present invention is therefore based on the object, a
• a drive motor which has a drive shaft and generates an exhaust gas flow
• a power turbine positioned in the exhaust gas flow for converting exhaust gas energy into drive power.
• the power turbine is switchable in a drive connection with the drive shaft to the drive shaft or one of these in the
• a hydrodynamic retarder comprising a driven bladed primary wheel, also called a rotor, and a stationary bladed secondary wheel, also called a stator, wherein the two impellers jointly form a working space which can be filled with a working medium.
• a working medium such as water or oil or a mixture with one of these substances, can be introduced to Drive the primary wheel a working medium circuit in the working space
• the secondary wheel can be driven in opposite directions to the primary wheel even in a so-called counter-running retarder, in particular via a common input shaft of
• Retarder from the drive power flow in the motor vehicle drive train can be decoupled.
• the embodiment according to the invention not only the mechanical losses described above in the turbocompound system, that is, in the drive connection to the power turbine and in the power turbine in selected
• inventive design is at the same time the additional design effort and the additional effort in the manufacturing costs relativized by the fact that one and the same mechanical clutch advantageous for two completely different units of the motor vehicle powertrain, both previously generated only in certain operating conditions unwanted losses is used.
• the optional mechanical decoupling of a hydrodynamic retarder and a power turbine of a turbocompound system from the drive power flow in the motor vehicle drive train by means of a common mechanical Disconnect coupling is particularly advantageous because both systems are active in complementary operating states of the motor vehicle drive train, namely the hydrodynamic retarder during braking of the motor vehicle and thus usually in overrun operation of the drive motor, and the turbocompound system in traction operation of the motor vehicle, that is active
• mechanical disconnect clutch at least two switching positions, comprising a first switching position in which the power turbine is coupled in drive connection with the drive shaft and at the same time the primary wheel of the hydrodynamic retarder is decoupled from the drive power flow in the motor vehicle drive train, and a second switching position, in which the power turbine of
• Motor vehicle drive train is coupled to drive the primary wheel and in a counter running retarder in particular also the secondary wheel with drive power from the motor vehicle drive train.
• the mechanical separating clutch also has a third switching position in which both the power turbine and the primary wheel of the hydrodynamic retarder are decoupled from the drive power flow in the motor vehicle drive train, thus neither the primary wheel of the hydrodynamic retarder
• Disconnecting clutch designed as a dog clutch, either as an unsynchronized jaw clutch, particularly advantageous as a synchronized
• Disconnect coupling are connected to a power take-off of the drive motor, that is, a so-called PTO (Power Take Off).
• PTO Power Take Off
• hydrodynamic coupling also has two bladed wheels, but both rotate.
• no third wheel is like a
• the two paddle wheels together form a working space which can be filled with a working medium in order to drive power hydrodynamically from one wheel to the other
• the hydrodynamic coupling therefore has a second working space to the working space of the hydrodynamic retarder, so it is provided in addition to the hydrodynamic retarder.
• the hydrodynamic coupling can be positioned spatially separated from the hydrodynamic retarder. For example, viewed in the axial direction, the hydrodynamic coupling is positioned on a first side of the mechanical separating clutch, whereas the hydrodynamic retarder is positioned on a first side
• hydrodynamic coupling is positioned coaxially to the hydrodynamic retarder, wherein in particular the Rotary axes of the hydrodynamic coupling and the hydrodynamic retarder are aligned.
• hydrodynamic retarder is positioned, so the axes of rotation of the
• hydrodynamic coupling and the hydrodynamic retarder are parallel to each other, wherein the paddle wheels are positioned adjacent to each other in the region of a common plane.
• hydrodynamic units are positioned in the vicinity of the drive motor or in or on the drive motor, for example, because a drive via said power take-off of the drive motor takes place or
• Drive power of the power turbine is fed into the power take-off of the drive motor, so can the oil budget of the drive motor for
• the power turbine and the primary wheel of the hydrodynamic retarder each have at least one, in particular a plurality of spur gear on the drive shaft of the
• FIG. 1 shows an inventive motor vehicle drive train with a separating clutch 1 in the form of a dog clutch, which has three switching states shown.
• a separating clutch 1 in the form of a dog clutch, which has three switching states shown.
• the primary wheel 8 forms with a
• a second output 12 of the separating clutch 1 is above (at least) one
• Spur gear stage 13 in mechanical drive connection with the turbine wheel 14 of the hydrodynamic coupling 15.
• the impeller 16 of the hydrodynamic coupling 15, which forms a working space 17 together with the turbine wheel 14, is at least one spur wheel stage 18 in mechanical Drive connection with the exhaust gas turbine 19, which is positioned in an exhaust stream 20 of the drive motor 3.
• the mechanical disconnect clutch 1 has a shift sleeve 21, by means of which the clutch input 5 can be selectively connected either mechanically to the first clutch output 6 or to the second clutch output 12, according to either a purely mechanical drive connection between the drive shaft 2 and the primary wheel 8 of the hydrodynamic Retarders produce 9 to hydrodynamically decelerate the drive shaft 2, or a hydrodynamic drive connection of the drive shaft 2 with the

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• Acoustics & Sound (AREA)
• Aviation & Aerospace Engineering (AREA)
• Arrangement Of Transmissions (AREA)
• Electric Propulsion And Braking For Vehicles (AREA)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

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Family Cites Families (13)

• 2013
  • 2013-12-13 DE DE201310225954 patent/DE102013225954B3/de not_active Expired - Fee Related
• 2014
  • 2014-12-09 EP EP14809387.5A patent/EP3080471A1/de not_active Withdrawn
  • 2014-12-09 KR KR1020167018788A patent/KR20160097357A/ko not_active Application Discontinuation
  • 2014-12-09 WO PCT/EP2014/076951 patent/WO2015086547A1/de active Application Filing
  • 2014-12-09 CN CN201480072304.7A patent/CN105899832A/zh active Pending
• 2016
  • 2016-06-13 US US15/180,658 patent/US20160290463A1/en not_active Abandoned

Non-Patent Citations (2)

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