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
  • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
  • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic 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
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D25/00—Fluid-actuated clutches
  • F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
  • F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
  • F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
  • F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
  • F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
  • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
  • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
  • B60K6/48—Parallel type
  • B60K2006/4816—Electric machine connected or connectable to gearbox internal shaft
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
  • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
  • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
  • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
  • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
  • B60Y2200/00—Type of vehicle
  • B60Y2200/90—Vehicles comprising electric prime movers
  • B60Y2200/92—Hybrid vehicles
• • 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
  • F16D21/00—Systems comprising a plurality of actuated clutches
  • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
  • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
  • F16D2021/0661—Hydraulically actuated multiple lamellae 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
  • F16H—GEARING
  • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
  • F16H2045/002—Combinations of fluid gearings for conveying rotary motion with couplings or clutches comprising a clutch between prime mover and fluid gearing
• • 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
  • Y02T10/60—Other road transportation technologies with climate change mitigation effect
  • Y02T10/62—Hybrid vehicles

Definitions

• the invention relates to a torque transmission device according to the preamble of claim 1.
• a torque transmission device is known, for example, from DE 102009020 672 A1.
• the torque transmission device is arranged in a hybrid drive train of a vehicle between an internal combustion engine and a transmission and comprises a torque transmission unit which has a torque converter, a wet-running separating clutch and an electric motor.
• the electric motor, the separating clutch and the torque converter are designed as preassembled structural units and the torque converter and the separating clutch are sealed in a liquid-tight manner from the electric motor in the assembled state.
• the object of the present invention is to make a torque transmission device simpler and more reliable.
• the separating clutch should be easier and more accurate to operate.
• At least one of these tasks is performed by a
• Torque transmission device having the features of claim 1 solved.
• the separating clutch can be actuated simply and reliably via an actuating force within the housing.
• the risk of contamination of the separating clutch with leakage oil is reduced.
• the torque transfer device can be arranged in a drive train of a vehicle.
• the first drive element can be an internal combustion engine.
• a second drive element, in particular in an electric motor, for providing a drive torque can be connected to the torque transmission unit, preferably to the input.
• the output element can be a transmission.
• the torque transmission unit can be a torque converter, a clutch, in particular a wet starting clutch or a wet one Have a double clutch, a torsional vibration damper and / or a centrifugal pendulum.
• the torque transmission unit can be supported on a receiving housing via a support bearing arranged axially between the separating clutch and the torque transmission unit.
• the support bearing can have a slide bearing and / or roller bearing.
• the support bearing can be arranged on a partition wall. The partition wall can extend axially between the separating clutch and the torque transmission unit, mainly in the radial direction.
• the housing can be formed at least in sections by a converter housing of the torque converter.
• the liquid arranged in the first fluid space can be a working fluid of the torque converter, in particular to bring about a torque transmission between a pump wheel and a turbine wheel of the torque converter.
• the first fluid space can be completely filled with the liquid.
• the fluid pressure acting on the actuating element can be provided by the same liquid that can also be received within the first fluid space.
• the second fluid space can have a fluid that is separate from the liquid in the first fluid space.
• the fluid can be air or a liquid.
• the liquid in the second fluid space can effect spray cooling of the separating clutch.
• the separating clutch can be a K0 clutch.
• the disconnect clutch can be operated dry or with spray cooling.
• the separating clutch can be designed as a multi-plate clutch with several friction plates.
• the clutch input can be connected to a torsional vibration damper effectively arranged between the first drive element and the separating clutch.
• the torsional vibration damper can have a centrifugal pendulum.
• the torsional vibration damper can be designed as a two-mass flywheel.
• the actuating element can be assigned a restoring element for resetting the actuating element, starting from a closed position which actuates the clutch, into an open position.
• the restoring element can comprise a leaf spring and / or a compression spring.
• the transmission element can reach through the housing in a sealing manner, in particular in a liquid-tight manner.
• the transmission element is preferably movable, in particular rotatable and / or displaceable with respect to the housing.
• the tensile force can act in an axial direction pointing from the separating clutch to the torque transmission unit.
• the pressing element can be arranged on the axial side of the separating clutch that faces away from the torque transmission unit.
• the actuating element is assigned a pressure space within the housing for the application of a fluid pressure causing the actuating force.
• the clutch can be actuated hydraulically via the pressure space inside the housing.
• the actuating element can be designed as an actuating piston that can be displaced within the pressure chamber.
• the actuating element can be arranged axially between the pressure chamber and a counter-pressure chamber.
• the counterpressure chamber can effect a centrifugal force compensation of the fluid pressure in the pressure chamber.
• the counter-pressure space can be completely filled with the liquid of the first fluid space.
• the separating clutch comprises a friction device and the actuating element is connected via the transmission element to a pressing element for transmitting the actuating force as a pressing force to the friction device.
• the pressing element can be assigned to the clutch output.
• the pressing element can be connected to the actuating element in a rotationally fixed and / or axially fixed manner.
• the pressing element can be an actuating flange.
• the pressing force can be supported by a support element.
• the support element can be assigned to the clutch output.
• a restoring element can be arranged effectively between the pressing element and the supporting element.
• the restoring element can have at least one leaf spring and / or compression spring.
• the reset element can be used in If the actuating force is absent, the separating clutch will be reset from an open position to a closed position.
• the pressing element is arranged outside of the first fluid space and inside of the second fluid space. As a result, the pressing element is assigned directly to the separating clutch.
• the pressing element and the actuating element are firmly connected to one another via the transmission element.
• the actuating force can be transmitted directly from the actuating element to the pressing element.
• the transmission element can be designed as a pull rod.
• the transmission element can be designed in one piece with the pressing element and / or the actuating element.
• the transmission element is passed through the housing in an axially movable manner as a function of the movement of the actuating element.
• the transmission element has at least one sealing device, which is effective with respect to a connection component, for sealing the first fluid space.
• the sealing device can have at least one sealing element, for example a shaft sealing ring or an O-ring, effective between the connection component and the transmission element.
• the transmission element can extend radially inward from the connection component.
• the support element can be firmly connected to the connection component in at least one axial direction.
• the support element can be connected to the connection component in a rotationally fixed manner.
• the transmission element and / or the connection component brings about an at least partial torque transmission of the first drive torque provided by the first drive element from the separating clutch to the torque transmission unit.
• the actuating force can be supported via the connection component.
• the actuation force can be supported via the connection component and the support bearing.
• the actuating element can be moved against the action of a restoring force caused by a restoring element, the restoring element being attached to the connection component or a component connected to the connection component, for example the housing wall.
• Figure 1 shows a half section of a torque transmission device 10 in a special embodiment of the invention.
• Torque transfer device 10 is arranged in a drive train of a vehicle.
• the torque transmission device 10 is connected to a first drive element 12, in particular an internal combustion engine, and enables torque to be transmitted from the first drive element 12 to an output element, in particular a transmission, which is connected to the torque transmission device 10 via a transmission input shaft 14.
• the first drive element 12 is connected to a torsional vibration damper 16.
• the first drive element 12 is screwed to a damper input 18.
• the damper input 18 can be rotated to a limited extent with respect to a damper output 21 via the action of at least one spring element 20, here in particular an arc spring.
• the torsional vibration damper 16 is designed here as a dual-mass flywheel and is connected to a separating clutch 22.
• the separating clutch 22 comprises a clutch input 24 which is riveted to the damper output 21.
• the clutch input 24 is via a friction device 26 with a Clutch output 28 can be optionally connected via the action of a clutch actuation device 30.
• the clutch input 24 is designed here as an outer disk carrier, which is connected in a toothed manner with friction disks 32.
• the clutch output 28 comprises a pressing element 34 and a support element 36, both of which are non-rotatably connected via a restoring element 38, which here comprises leaf springs.
• the restoring element 38 brings about a restoring force between the pressing element 34 and the support element 36, which forces the two components away from one another.
• the separating clutch 22 is connected to a torque transmission unit 40, here a torque converter 42.
• the separating clutch 22 effects a torque transmission between the first drive element 12 and the torque transmission unit 40 when the separating clutch 22 is closed.
• the torque transmission path between the first drive element 12 and the torque transmission unit 40 is interrupted.
• the torque transmission unit 40 has a housing 46 having at least one housing wall 44, here a converter housing 48, for delimiting a first fluid space 50 that can be filled with a liquid.
• the liquid is preferably a working fluid of the torque converter 42 for effecting a torque transmission between a pump wheel 52 and a turbine wheel 54 within the housing 46 in the first fluid space 50.
• the torque converter 42 has an input 58 rotatable about an axis of rotation 56, here formed by the converter housing 48, which is connected to an output, here the transmission input shaft 14.
• the turbine wheel 54 is riveted to a damper outlet 60 of a torsional vibration damper 62 located in the first fluid space 50.
• the damper output 60 can be rotated to a limited extent with respect to a damper input 66 via the action of at least one spring element 64, here a compression spring.
• the damper input 66 is riveted to a clutch output 68 of a converter lock-up clutch 70.
• the clutch output 68 is here an outer disk carrier which is connected in a toothed manner with friction disks 72.
• the friction plates 72 have a clutch input 74 of the Converter lock-up clutch 70 connected to effect a torque transmission via the converter lock-up clutch 70.
• the coupling input 74 is firmly connected to the housing 46 via a connecting flange 75.
• the converter lock-up clutch 70 can be actuated via an axially displaceable actuating element 76.
• the actuating element 76 is acted upon by a fluid pressure of the liquid in the first fluid space 50 within a pressure space 78, which is connected to a fluid channel in the transmission input shaft 14 via a fluid opening 80, in order to actuate the converter lockup clutch 70.
• the separating clutch 22 is arranged outside of the torque transmission unit 40 and the first fluid chamber 50 in a second fluid chamber 81 which is separated from the latter in a fluid-tight manner.
• the separating clutch can preferably be operated dry, the fluid contained in the second fluid space 81 being air or being operated with spray cooling, a cooling oil being present in the second fluid space 81 in addition to the air.
• the separating clutch 22 and the torque transmission unit 40 are received in a receiving housing 82, in particular a transmission housing.
• the receiving housing 82 is fixedly connected to a partition wall 84 which is arranged axially between the separating clutch 22 and the torque converter 42.
• the partition wall 84 extends radially inward and, on an inner section, receives a support bearing 86 for supporting the torque transmission unit 40.
• the support bearing 86 is in particular a roller bearing and is axially secured by means of securing rings on the partition 84 and on a connection component 88 which is arranged radially inside of the partition 84.
• the torque transmission unit 40 is supported on the receiving housing 82 via a further support bearing 90 and a support flange 92.
• the two support bearings 86, 90 are arranged on axially opposite sides of the torque transmission unit 40.
• connection component 88 is connected to the support element 36 and to the converter housing 48.
• the connection component 88 has a lubricant channel 94 for supplying a lubricant space 96 for the support bearing 86.
• the support bearing 86 can be lubricated by a leakage fluid, for example via that contained in the first fluid space 50 Liquid, to be lubricated.
• the lubricant space 96 is sealed by a sealing element 98 which is effectively arranged between the partition wall 84 and the connection component 88.
• a drive torque of the first drive element 12 transmitted through the closed separating clutch 22 is transmitted to the input 58 via the clutch output 28, here via the pressure element 34 to a transmission element 100, which is arranged radially inside of the connection component 88.
• the transmission element 100 is connected to the connection component 88 in a rotationally fixed and axially displaceable manner with respect to the connection component 88 via a toothing 102.
• the torque thus reaches the converter housing 48 from the clutch output 28 via the transmission element 100 and the connection component 88.
• the converter housing 48 is connected to an electric motor 104 as a second drive element.
• a rotor 106 of the electric motor 104 is connected to the converter housing 48 in a rotationally fixed manner.
• the rotor 106 is rotatable with respect to a stator 108 which is arranged in the receiving housing 82.
• the separating clutch 22 is a K0 clutch, which causes a torque transmission between the first drive element 12 and the torque transmission unit 40 and, in the open position, decouples the first drive element 12 from the torque transmission unit 40, which means that the vehicle is driven, for example, via the electric motor 104 can.
• the disconnect clutch 22 is actuated by the clutch actuation device 30.
• the clutch actuation device 30 here consists of the pressing element 34, the transmission element 100 connected to it and the actuating element 110 made in one piece from the transmission element 100. The actuating element 110 can be moved axially together with the transmission element 100 and the pressing element 34.
• An actuation force on the actuation element 110 is brought about by a fluid pressure of the liquid in a pressure chamber 112 within the housing 46 and is transmitted as a contact force to the friction device 26 via the transmission element 100 and the pressure element 34.
• a counterpressure chamber 114 is arranged, which corresponds to that present within the first fluid chamber 50 Liquid is filled.
• the counterpressure chamber 114 effects a centrifugal force compensation in relation to the fluid pressure within the pressure chamber 112.
• the pressure chamber 112 can be supplied with the liquid via a pressure medium bore 116.
• the actuating element 110 is displaceable against the action of a restoring element 118, here in particular leaf springs, which is riveted to the housing 46.
• the torque coming from the clutch output 28 can be transmitted instead of or in addition to a transmission between the transmission component 100 and the connection component 88 via the toothing 102, via the transmission element 100 to the actuating element 110 and via the restoring element 118 to the housing 46.
• a parallel torque transmission can also take place via the support element 36 and the connection component 88 to the housing 46.
• the separating clutch 22 is actuated to close the separating clutch 22 by applying pressure to the fluid introduced into the pressure chamber 112.
• the fluid pressure in the pressure chamber 112 is preferably provided by the same liquid that is also arranged within the first fluid chamber 50.
• the actuating force is brought about within the housing 46 and the actuating element 110 is pressed away from the housing 46 to the right and the actuating force is applied as a tensile force via the transmission element 100 to the pressing element 34, which is connected to the transmission element 100 by a locking ring 120 Transfer clutch 22.
• the separating clutch 22 can be actuated simply and reliably via an actuating force within the housing 46. The risk of contamination of the separating clutch 22 with leakage oil is reduced.
• the actuation force when the separating clutch 22 is actuated is supported on the partition 84 via the support element 36 and the connection component.
• the first fluid space 50 is sealed by means of a sealing device 122 which is effectively arranged between the transmission element 100 and the connection component 88, in particular having a sealing element, for example an O-ring.
• the sealing device 122 enables a seal with a possible axial displacement of the transmission element 100 with respect to the connection component 88 at the same time.

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
• Mechanical Operated Clutches (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=71833098

Family Applications (1)

Country Status (5)

Families Citing this family (1)

Family Cites Families (14)

• 2019
  • 2019-09-05 DE DE102019123789.0A patent/DE102019123789B4/de active Active
• 2020
  • 2020-07-08 WO PCT/DE2020/100600 patent/WO2021043353A1/de unknown
  • 2020-07-08 EP EP20746553.5A patent/EP4025797A1/de not_active Withdrawn
  • 2020-07-08 CN CN202080057864.0A patent/CN114269585B/zh active Active
  • 2020-07-08 US US17/638,515 patent/US11788614B2/en active Active

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