EP3921927A1 - Machine électrique - Google Patents

Machine électrique

Info

Publication number
EP3921927A1
EP3921927A1 EP20709571.2A EP20709571A EP3921927A1 EP 3921927 A1 EP3921927 A1 EP 3921927A1 EP 20709571 A EP20709571 A EP 20709571A EP 3921927 A1 EP3921927 A1 EP 3921927A1
Authority
EP
European Patent Office
Prior art keywords
actuator
electrical machine
control
potting compound
machine according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20709571.2A
Other languages
German (de)
English (en)
Inventor
Thomas DOPPLER
Leopold Hellinger
Martin Johann MAYER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Melecs EWS GmbH
Original Assignee
Melecs EWS GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Melecs EWS GmbH filed Critical Melecs EWS GmbH
Publication of EP3921927A1 publication Critical patent/EP3921927A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/7007—Door leaves with curved, e.g. cylindrical or oval cross-section
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F04C29/047—Cooling of electronic devices installed inside the pump housing, e.g. inverters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F04D13/064—Details of the magnetic circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0686—Mechanical details of the pump control unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F04D25/0646—Details of the stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/08—Insulating casings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/223—Heat bridges
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/227—Heat sinks
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K4/00—Combinations of baths, douches, sinks, wash-basins, closets, or urinals, not covered by a single other group of this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/02—Toilet fittings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D2011/0046—Modular or preassembled units for creating cabin interior structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/808—Electronic circuits (e.g. inverters) installed inside the machine
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2209/00—Specific aspects not provided for in the other groups of this subclass relating to systems for cooling or ventilating
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
    • H02K2211/03—Machines characterised by circuit boards, e.g. pcb
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa

Definitions

  • the invention relates to an electrical machine with a control or regulation unit and a fluidic one
  • Actuator the control or regulating unit being provided for controlling or regulating the actuator.
  • EP 2 429 273 A2 is known from the prior art, in which a cooling device for an electrical device
  • Cylindrical press-on domes make mechanical and thermal contact with elements that generate power loss.
  • the pressing domes are between
  • WO 2018/114349 A1 shows a housing for an electrical machine, in which a carrier plate is provided with a cooling device arranged around it.
  • Machine or dedicated cooling devices for cooling electronic components are used, for which appropriate installation space must be provided.
  • the invention is based on the object of specifying a compact electrical machine that has been further developed compared to the prior art and has electronic components that are effectively cooled but without additional devices.
  • control or regulation unit with a
  • control or regulation unit makes contact with a fluid-filled chamber of the actuator in the area of the potting compound.
  • Cooling devices can be dispensed with, as a result of which installation space can be saved and component masses can be reduced.
  • the potting compound is made of polyurethane with a Shore A hardness in the range between 48 and 53.
  • Fitting elements enclosed particularly tightly by the potting compound ie particularly effectively from environmental influences shielded.
  • the use of polyurethane also results in a low component mass.
  • Potting compound is poured into a first housing of the control or regulation unit, which is closed on one side by means of a plate, the plate being adjacent to a second housing of the actuator.
  • a favorable solution is achieved when the potting compound is poured into a first housing of the control or regulation unit, the potting compound adjoining a second housing of the actuator.
  • This measure achieves particularly effective cooling of the control or regulation unit, since heat is given off from the potting compound directly to the second housing or the fluid-filled chamber of the actuator.
  • Fig. 1 A schematic side elevation of a
  • FIG. 1 shows an exemplary embodiment variant of an electrical machine according to the invention in a sectional illustration.
  • a control or regulating unit designed as an electronic regulator 5 has a carrier plate 3 which, completely encapsulated by a thermally conductive potting compound 2 made of polyurethane, in a first housing 8, which is made of polyamide reinforced with glass fibers,
  • the first fitting element 11 is arranged on an underside 15 of the carrier plate 3, the second fitting element 12, the third fitting element 13 and the fourth fitting element 14 on an upper side 16 of the carrier plate 3.
  • the carrier plate 3 is therefore equipped on both sides.
  • the first housing 8 and the carrier plate 3 are cylindrical.
  • the first housing 8 is closed at the end by means of an inserted plate 10.
  • the plate 10 is clamped to the first housing 8.
  • the sealing compound 2 completely fills a housing interior formed by the first housing 8 and the plate 10.
  • the polyurethane of the potting compound 2 has a Shore A hardness in the range between 48 and 53, a thermal conductivity of 0.97 W / mK and a glass temperature of approx. -60 ° C.
  • the electrical machine can therefore in a large
  • An embodiment of the potting compound 2 in polyurethane is an inexpensive solution. According to the invention, however, it is also conceivable to use the casting compound 2 in silicone with a Shore A hardness in the range between 45 and 55
  • a first contact 6 designed as a first silver contact pin is connected to the carrier plate 3 and protrudes from the first housing 8. Via this first contact 6 as well as other contacts not visible in FIG connected power supply.
  • a second contact 7 designed as a second silver contact pin as well as further contacts, not visible in FIG. 1, designed as further silver contact pins with the
  • the controller 5 is connected to a motor 17 of a fluidic actuator 1 designed as a hydraulic actuator via the second contact 7 and the further contacts arranged in the area of the underside 15 of the carrier plate 3.
  • the controller 5 is connected to the actuator 1 via a clamp connection. According to the invention, however, it is also conceivable to provide screw connections between the controller 5 and the actuator 1.
  • the first contact 6, the second contact 7 and the further contacts are partially encased by the potting compound 2.
  • a first conduction path 18 is provided between the second contact 7 and the motor 17, and between the further ones arranged in the area of the underside 15 of the carrier plate 3
  • the first conduction path 18 and the further conduction paths are arranged within the actuator 1, in a ring part 19 of the actuator 1. Cables running between the controller 5 and the actuator 1 are not required.
  • the actuator 1 or its ring part 19 is connected flush with the control or regulating unit or is flush with the first housing 8.
  • the motor 17 is a brushless direct current electric motor with an annular stator 20 and a rotor 21
  • the stator 20 is in the ring part 19 of the stator 20
  • Actuator 1 is provided. About the stator 20 or its
  • the rotor 21 which is rotatably but immovably mounted in the actuator 1, is driven.
  • Rotational movements of the rotor 21 are transmitted to a spindle-shaped section of a piston rod 22, whereby the
  • Piston rod 22 and a piston 23 connected to it execute translational movements in the direction of a longitudinal axis 24.
  • the piston rod 22 and the piston 23 are provided in a cylinder 25 of the actuator 1 which is encased by the ring part 19.
  • the piston rod 22 is over a no
  • the bearing shown is supported and guided in the cylinder 25 so that it can perform rotational and translational movements.
  • a first seal is provided between the piston rod 22 and the cylinder 25 in order to prevent moisture and particles etc. from penetrating into the cylinder 25.
  • the cylinder 25 therefore functions as a second housing 9 with respect to this hydraulic fluid.
  • the chamber 4 or the second housing 9 is directly adjacent to the plate 10 of the controller 5.
  • the control unit makes contact with the chamber 4 in the area of the potting compound 2.
  • Fitting element 11 the second fitting element 12, the third fitting element 13 and / or the fourth
  • Fitting element 14 in the casting compound 2 transferred heat from the casting compound 2 via the plate 10 in the chamber 4, ie dissipated to the hydraulic fluid. According to the invention, it is also possible to dispense with the plate 10, as a result of which the potting compound 2 directly adjoins the chamber 4.
  • the chamber 4 is connected via a first hydraulic line 26 to a hydraulic tank (not shown), i. supplied with hydraulic fluid via this hydraulic tank.
  • the chamber 4 is connected to a hydraulic line (also not shown) via a second hydraulic line 27
  • Telescopic shock absorbers of a motor vehicle connected.
  • a damping effect of the telescopic shock absorber is set by means of the piston 23 or a pressure of the hydraulic fluid.
  • Equipping element 11 the measuring probe of which protrudes into the chamber 4, the pressure in the chamber 4 is continuously measured.
  • a second seal is provided between the first fitting element 11 and the cylinder 25 in order to prevent the potting compound 2 from being wetted with hydraulic fluid.
  • the measured pressure is continuously compared with a defined setpoint pressure.
  • the motor 17 is regulated by the controller 5 via corresponding voltage specifications to the stator 20, i.e. the motor 17 is switched on or off or a speed of the rotor 21 is set in order by means of corresponding
  • the actuator 1 When the actuator 1 is designed as a hydraulic actuator, it is an inexpensive solution. According to the invention, however, it is also conceivable to design the actuator 1, for example, as a pneumatic actuator and to use this for setting brake cylinder pressures in a bogie brake
  • control or regulation unit not as a controller 5, but as a
  • Control unit i.e. without measuring a variable to be controlled by means of a sensor or without this variable affecting a manipulated variable.
  • the control unit i.e. without measuring a variable to be controlled by means of a sensor or without this variable affecting a manipulated variable.
  • Control unit can be used in a hydraulic clamping device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Motor Or Generator Frames (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)

Abstract

L'invention concerne une machine électrique comprenant une unité de commande ou de régulation et un actionneur (1) fluidique, l'unité de commande ou de régulation commandant ou régulant l'actionneur (1). Selon l'invention, afin d'obtenir des conditions de construction avantageuses, l'unité de commande ou de régulation comporte une plaque porteuse (3) coulée au moyen d'une matière de coulage (2) thermoconductrice, l'unité de commande ou de régulation étant en contact, dans la zone de la matière de coulage (2), avec une chambre (4) remplie de fluide de l'actionneur (1). Cela permet d'éviter des dispositifs de refroidissement séparés dans l'unité de commande ou de régulation.
EP20709571.2A 2019-03-13 2020-03-06 Machine électrique Pending EP3921927A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50213/2019A AT522208A1 (de) 2019-03-13 2019-03-13 Elektrische Maschine
PCT/EP2020/056029 WO2020182662A1 (fr) 2019-03-13 2020-03-06 Machine électrique

Publications (1)

Publication Number Publication Date
EP3921927A1 true EP3921927A1 (fr) 2021-12-15

Family

ID=69770915

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20709571.2A Pending EP3921927A1 (fr) 2019-03-13 2020-03-06 Machine électrique

Country Status (6)

Country Link
US (2) US20220170488A1 (fr)
EP (1) EP3921927A1 (fr)
JP (1) JP7268187B2 (fr)
CN (1) CN113519111A (fr)
AT (1) AT522208A1 (fr)
WO (1) WO2020182662A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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US20230103908A1 (en) * 2021-10-01 2023-04-06 B/E Aerospace, Inc. Expandable lavatory and cabin configuration including dedicated seating area and expandable lavatory
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CN113519111A (zh) 2021-10-19
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JP2022524463A (ja) 2022-05-02
AT522208A1 (de) 2020-09-15
US12030638B2 (en) 2024-07-09
US20230013546A1 (en) 2023-01-19

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