WO2020203007A1 - 電動弁 - Google Patents
電動弁 Download PDFInfo
- Publication number
- WO2020203007A1 WO2020203007A1 PCT/JP2020/009236 JP2020009236W WO2020203007A1 WO 2020203007 A1 WO2020203007 A1 WO 2020203007A1 JP 2020009236 W JP2020009236 W JP 2020009236W WO 2020203007 A1 WO2020203007 A1 WO 2020203007A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tubular member
- housing
- cover member
- valve according
- electric valve
- Prior art date
Links
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- 229920005989 resin Polymers 0.000 description 6
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- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
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- -1 polybutylene terephthalate Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
Classifications
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1654—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
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- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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- B29C66/01—General aspects dealing with the joint area or with the area to be joined
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- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/8126—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/81266—Optical properties, e.g. transparency, reflectivity
- B29C66/81267—Transparent to electromagnetic radiation, e.g. to visible light
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/10—Welded housings
- F16K27/102—Welded housings for lift-valves
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
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- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
- F16K31/0679—Electromagnet aspects, e.g. electric supply therefor with more than one energising coil
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
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- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
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- F16K31/53—Mechanical actuating means with toothed gearing
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0033—Electrical or magnetic means using a permanent magnet, e.g. in combination with a reed relays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
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- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1654—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
- B29C65/1661—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined scanning repeatedly, e.g. quasi-simultaneous laser welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/733—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
- B29C66/7332—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being coloured
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
- B29K2995/0027—Transparent for light outside the visible spectrum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3425—Printed circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3481—Housings or casings incorporating or embedding electric or electronic elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/7506—Valves
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
Definitions
- the present invention relates to an electric valve.
- a so-called electric valve that opens and closes a valve electrically
- a so-called electric valve including a power transmission device that decelerates the rotational force of a stepping motor with a reduction gear or directly transmits the rotational force to a screw mechanism is known (see Patent Document 1). ).
- Such a stepping motor of an electric valve is housed in a sealed state in a housing to prevent moisture, foreign matter, etc. from adhering to a circuit board or the like.
- a housing member is formed by a tubular member and a cover member covering the tubular member, and the tubular member and the cover are further ensured to be hermetically sealed in the housing member.
- a packing is arranged between the member and the member.
- an object of the present invention is to provide an electric valve that can be further miniaturized while suppressing manufacturing man-hours.
- the motorized valve of the present invention A motor including a rotor member and a stator member that applies a rotational force to the rotor member, A power transmission mechanism that converts the rotary motion of the rotor member into the axial motion of the valve body, A housing that houses the motor and the power transmission mechanism, A base member connected to the housing and provided with a valve seat to which the valve body is separated or seated.
- the housing includes a heat generating portion formed of a first material and a heat receiving portion formed of a second material and bonded to the heat generating portion, and the transmittance of laser light in the first material is determined. It is lower than the transmittance of the laser beam in the second material.
- FIG. 1 is a schematic cross-sectional view showing an outline of the motorized valve according to the first embodiment.
- FIG. 2 is a bottom view of the cover member.
- FIG. 3 is a perspective view of the cover member.
- FIG. 4A is a cross-sectional view showing a cover member and a tubular member, and
- FIG. 4B is an enlarged cross-sectional view showing a portion indicated by an arrow A in FIG. 4A.
- FIG. 5 is a schematic cross-sectional view showing an outline of the motorized valve according to the second embodiment.
- FIG. 6 is an enlarged cross-sectional view showing a part of the motorized valve in the housing manufacturing process.
- FIG. 1 is a schematic cross-sectional view showing an outline of the motor-operated valve 1 according to the first embodiment.
- the electric valve 1 uses a driver 30, a rotary shaft 50, a stepping motor 60 that transmits a rotational force to the rotary shaft 50, and a rotary motion of the rotary shaft 50 into an axial motion of the valve body 10 housed in the housing 4. It is housed in a power transmission mechanism 120 that converts and transmits, a permanent magnet 70 that is attached to the rotating shaft 50 so as to rotate together, an angle sensor 80 that detects the rotation angle of the permanent magnet 70, and a lower base member 2. It includes a valve body 10 and a valve seat 20.
- the lower base member 2 includes a first flow path 112 and a second flow path 114.
- the valve body 10 When the valve body 10 is separated from the valve seat 20, in other words, when the valve body 10 is in the upper position, the fluid flows into the valve chamber 113 through the first flow path 112 and the second flow. It is discharged through the road 114.
- the valve body 10 is seated on the valve seat 20, in other words, when the valve body 10 is in the lower position, the first flow path 112 and the second flow path 114 are in a non-communication state with each other.
- the stepping motor 60 includes a stator member 62 including a coil 61 and a rotor member 64.
- a pulse signal is input to the coil 61 from the control board 3 provided with the drive circuit for driving the stepping motor 60 via the power feeding unit 63. Then, when a pulse signal is input to the coil 61, the rotor member 64 rotates by a rotation angle corresponding to the number of pulses of the pulse signal.
- the power transmission mechanism 120 is a member that connects the rotor member 64 and the rotary shaft 50 so as to be able to transmit power.
- the power transmission mechanism 120 includes a plurality of gears.
- the power transmission mechanism 120 may include a planetary gear mechanism.
- the stator member 62 is fixed to the side wall of the can 100.
- the rotor member 64 is rotatably arranged with respect to the can 100 inside the side wall of the can 100.
- the rotor member 64 is made of a magnetic material and is connected to a solar gear body 121 coaxially having a shaft hole.
- a rotating shaft 50 is arranged so as to be relatively rotatable in the shaft hole of the sun gear body 121.
- the external teeth of the sun gear body 121 mesh with the plurality of planetary gears 122.
- Each planetary gear 122 is rotatably supported by a shaft 124 supported by a carrier 123.
- the outer teeth of each planetary gear 122 mesh with the annular ring gear 125.
- the ring gear 125 is a member that cannot rotate relative to the can 100.
- the ring gear 125 is supported by the holder 150 via a cylindrical support member 126.
- the planetary gear 122 also meshes with the annular second ring gear 127.
- the second ring gear 127 functions as an output gear fixed to the rotary shaft 50.
- the above-mentioned gear configuration constitutes a so-called mysterious planetary gear mechanism.
- the number of teeth of the second ring gear 127 is set to be slightly different from the number of teeth of the ring gear 125, so that the rotation speed of the sun gear body 121 is reduced by a large reduction ratio. Then, it can be transmitted to the second ring gear 127.
- any power transmission mechanism can be adopted as the power transmission mechanism between the rotor member 64 and the rotary shaft 50.
- a planetary gear mechanism other than the mysterious planetary gear mechanism may be adopted.
- a connecting member 52 is attached to the lower end of the rotating shaft 50, and the connecting member 52 and the upper end of the driver 30 are integrally rotated in the rotational direction, but are connected so as to be relatively movable in the axial direction. There is.
- a male screw 31 is provided on the outer peripheral surface of the driver 30.
- the male screw 31 is screwed into the female screw 41 provided on the guide member 40 that guides the driver. Therefore, when the rotary shaft 50 and the driver 30 rotate around the axis, the driver 30 moves up and down while being guided by the guide member 40.
- the rotary shaft 50 is rotatably supported by the sun gear body 121 or the guide member 40, and cannot move in the axial direction.
- the guide member 40 that guides the driver 30 is supported by the holder 150.
- the lower end of the driver 30 is rotatably connected to the upper end of the valve body 10 via the ball 160.
- the driver 30 moves upward or downward while rotating about the axis, the valve body 10 moves upward or downward without rotating about the axis.
- the valve body 10 is urged upward by a spring member 172 attached to the opening 2a of the lower base member 2 and a spring member 170 arranged between the valve body 10.
- valve body 10 When the driver 30 moves downward, the valve body 10 is pressed downward and displaced against the urging force of the spring member 170. On the other hand, when the driver 30 moves upward, the valve body 10 is pushed upward by the urging force of the coil spring 170 and displaced.
- a partition member 130 is arranged inside the can 100.
- a permanent magnet 70 is arranged in the upper space of the can 100 formed by the partition member 130.
- the permanent magnet 70 is connected to the vicinity of the upper end of the rotating shaft 50 that penetrates the partition member 130.
- the lower part of the hollow cylindrical holder 150 is arranged in the opening 2a of the lower base member 2.
- a packing 152 is arranged between the holder 150 and the lower base member 2.
- the holder 150 is arranged so as to be in contact with the inner wall portion of the housing 4.
- a packing 154 is arranged between the holder 150 and the inner wall portion of the housing 4. Therefore, the holder 150 has a function of preventing the liquid from entering the space in which the stator member 62 and the like are arranged and also having a function of accommodating the upper end portion 12 of the valve body 10.
- the housing 4 has a cover member 4a and a tubular member 4b.
- the tubular member 4b of the housing 4 is supported by a plate-shaped stay 5 bent in an L shape, one end of which is screwed to the lower base member 2.
- FIG. 2 is a bottom view of the cover member 4a
- FIG. 3 is a perspective view of the cover member 4a.
- the cover member 4a is formed by connecting a lid portion 4c, which is a flat plate having a trapezoidal shape and a rectangular shape joined together, and an insertion portion 4d having a tubular cross-sectional shape similar to the lid portion 4c. It is preferable that the thickness of the lid portion 4c is 0.5 to 1.5 mm because the laser light described later is easily transmitted.
- the cover member 4a is a resin based on PPS (polyphenylene sulfide) or PBT (polybutylene terephthalate), and is preferably formed from, for example, a second material having a laser light transmittance of 20 to 40%. ..
- the cover member 4a may have a natural color of the material, but it is desirable to make the cover member 4a black by adding a pigment such as carbon black to the material.
- a plurality of elongated ribs 4g having a part of the outer peripheral surface raised are formed on the outer peripheral surface of the insertion portion 4d other than the pair of outer peripheral surfaces along the longitudinal direction.
- a support portion 4f is formed on the lower surface of the lid portion 4c, and the control substrate 3 is supported by the support portion 4f.
- the control board 3 and the power feeding unit 63 are connected by a flexible board FP1.
- the tubular member 4b extends in the horizontal direction from the upper tubular portion 4h having a cross-sectional shape similar to that of the insertion portion 4d, the lower tubular portion 4i extending downward from the upper tubular portion 4h, and the lower end of the upper tubular portion 4h. It has a connector portion 4j.
- the terminal 4k arranged inside the connector portion 4j is connected to the control board 3 via the flexible board FP2. By connecting the connector portion 4j to the connector (not shown) of the other party, power is supplied to the control board 3 from an external power source, and the stepping motor 60 can be driven.
- the tubular member 4b is a resin based on PPS or PBT, and is formed from a first material having a lower laser light transmittance than the cover member 4a, for example, a transmittance of 3% or less. Is preferable.
- the rigidity of the tubular member 4b is increased by using steps and curved surfaces so that the control board 3 can be positioned accurately when the cover member 4a is joined.
- FIG. 4 is a diagram for explaining a joining process between the cover member 4a and the tubular member 4b.
- the cover member 4a to which the control board 3 is attached is inserted inside the upper end 4 m of the tubular member 4b.
- the portion 4d is fitted, and the lid portion 4c is brought into contact with the upper end 4m.
- the glass flat plate GS is placed on the upper surface of the lid portion 4c and pressed toward the upper end 4 m of the tubular member 4b.
- the upper surface of the lid 4c is flat and the lid 4c is pressed using a flat plate.
- the glass flat plate GS is used as a jig for pressing the lid portion 4c.
- the laser beam LB is emitted from above to transmit the glass flat plate GS and the lid portion 4c, and irradiate the surface of the upper end 4 m.
- the lid portion 4c which is the heat receiving portion, is formed of a second material that substantially transmits the laser beam LB.
- the upper end 4 m of the heat generating portion is formed of the first material that absorbs the laser beam LB, the irradiated portion generates heat and melts beyond the glass transition point of the material. Further, the lid portion 4c, which is the heat receiving portion, is heated and melted by the heat generated at the portion irradiated with the laser beam at the upper end 4 m. After that, when the irradiation of the laser beam LB is stopped, the two molten materials are cooled and solidified, and welding of the upper end 4 m and the lid 4 c is realized. Irradiation of the laser beam LB is performed along the entire circumference along the upper end 4 m of the tubular member 4b, and may be repeated a plurality of times.
- the outer peripheral surface of the lid portion 4c protrudes outward from the outer peripheral surface of the upper end 4 m at a distance ⁇ along the direction intersecting the irradiation direction of the laser beam LB. Even if burrs are generated due to melting of the heat generating portion and grow outward, the laser light LB is suppressed from interfering with the burrs. As a result, deterioration of appearance quality due to scorching of burrs or adhesion to the outer surface can be suppressed.
- the rib 4g is formed in the insertion portion 4d of the cover member 4a, when the insertion portion 4d is fitted inside the tubular member 4b, the rib 4g is formed in the tubular member 4b in addition to the insertion portion 4d. It abuts on the inner wall to exert a positioning function, and can suppress rattling of the cover member 4a with respect to the tubular member 4b. As a result, the angle sensor 80 attached to the cover member 4a side and the permanent magnet 70 arranged on the tubular member 4b side can be accurately positioned.
- the outer peripheral surface of the lid portion 4c is a distance from the outer peripheral surface of the upper end 4m to the outside. Coupled with the fact that it protrudes at ⁇ , the influence of burrs can be further suppressed.
- the laser beam LB by irradiating the laser beam LB with a narrowed diameter, even if the wall thickness of the upper end 4 m is thin, it can be reliably joined, so even if it is a small tubular member, it is a separate part packing. High sealing performance can be obtained without using.
- FIG. 5 is a schematic cross-sectional view showing an outline of the motorized valve 1A according to the second embodiment.
- the housing 4A includes a housing main body 4Aa for accommodating the drive system of the motorized valve 1A, and a substrate holding portion 4Ab for holding the control substrate 3.
- the hollow cylindrical housing body 4Aa includes an annular portion 4Ac in which a part of the outer periphery protrudes and projects in an annular shape.
- the feeding portion 63 protrudes outward through the annular portion 4Ac.
- the housing-shaped substrate holding portion 4Ab has a bottomed tubular member 4Ad, a cover member 4Ae that shields the end portion of the tubular member 4Ad, and a connector portion 4Af joined to the tubular member 4Ad. ing.
- a circular recess 4Ag that fits with the annular portion 4Ac is formed on the bottom wall of the tubular member 4Ad. Further, the circular recess 4Ag and the inside of the tubular member 4Ad are communicated with each other by the communication hole 4Ah.
- the cover member 4Ae is formed by connecting a flat lid portion 4Ai and a tubular insertion portion 4Aj in series.
- the inner end of the terminal 4Ak arranged inside the connector portion 4Af is connected to the control board 3 arranged in the tubular member 4Ad.
- the control board 3 is supported by a power feeding unit 63 that penetrates the annular portion 4Ac from the inside of the housing body 4Aa and extends into the tubular member 4Ad through the communication hole 4Ah, and is electrically joined.
- FIG. 6 is a diagram for explaining a manufacturing process of the housing 4A.
- the tubular member 4Ad of the substrate holding portion 4Ab is formed of a first material M1 having a low light transmittance and a second material M2 having a high light transmittance.
- the periphery of the circular recess 4Ag of the tubular member 4Ad (shown in a white cross section) is formed from the second material M2, and the other portion of the tubular member 4Ad (shown in a pointillistic cross section). ) Is formed from the first material M1.
- tubular member 4Ad when the first material M1 and the second material M2 are each made of resin, two-color molding is performed by injecting the materials at the same time, or one material is inserted into the other material. It can be molded by insert molding or the like.
- the adhesiveness of the resin material can be improved by forming the joint between the first material M1 and the second material M2 into a triangular shape or a convex shape. Further, when insert molding is performed, the material temperature can be maintained by reducing the volume of the resin material to be molded later with respect to the volume of the resin material to be molded first, so that the degree of adhesion can be further improved.
- the housing body 4Aa (at least the annular portion 4Ac) is formed of the first material M1, and the cover member 4Ae is formed of the second material M2.
- the circular recess 4Ag of the tubular member 4Ad from which the cover member 4Ae and the control board 3 have been removed is fitted into the annular portion 4Ac of the housing body 4Aa. ..
- the laser beam LB is emitted from the tubular member 4Ad side, transmitted through the second material M2, and irradiated to the annular portion 4Ac.
- the annular portion 4Ac can be welded to the tubular member 4Ad.
- the control board 3 is connected to the feeding portion 63 and the terminal 4Ak by soldering or the like and held in the tubular member 4Ad. .. Further, after covering the end portion of the tubular member 4Ad with the cover member 4Ae, the laser beam LB is emitted to transmit the lid portion 4Ai of the cover member 4Ae and irradiate the end portion of the tubular member 4Ad. By irradiating the entire circumference of the cover member 4Ae with the laser beam LB, the tubular member 4Ad can be welded to the lid portion 4Ai.
- the present invention is not limited to the above-described embodiment.
- any combination of the above-described embodiments can be freely combined, any component of each embodiment can be modified, or any component can be omitted in each embodiment.
- Valve body 20 Valve seat 30: Driver 31: Male screw 40: Guide member 41: Female screw 50: Rotating shaft 52: Connecting member 60: Stepping motor 62: Stator member 64: Rotor member 70: Permanent magnet 80: Angle sensor 100: Can 112: First flow path 113: Valve chamber 114: Second flow path 120: Power transmission mechanism 121: Sun gear body 122 : Planetary gear 123: Carrier 124: Shaft 125: Ring gear 126: Support member 127: Second ring gear 129: Output gear 130: Partition member 150: Holder 152: Packing 154: Packing 160: Ball 170: Spring member 172: Spring receiving member
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Abstract
Description
ロータ部材と、前記ロータ部材に対して回転力を付与するステータ部材とを含むモータと、
前記ロータ部材の回転運動を、弁体の軸線方向運動に変換する動力伝達機構と、
前記モータと前記動力伝達機構を収容するハウジングと、
前記ハウジングに連結され、前記弁体が離間または着座する弁座を備えたベース部材と、
を有し、
前記ハウジングは、第1の素材から形成された発熱部と、第2の素材から形成され前記発熱部に接合された受熱部と、を含み、前記第1の素材におけるレーザ光の透過率は、前記第2の素材におけるレーザ光の透過率よりも低い。
図1を参照して、第1の実施形態における電動弁1について説明する。図1は、第1の実施形態における電動弁1の概略を示す概略断面図である。
動力伝達機構120は、ロータ部材64と回転シャフト50との間を動力伝達可能に連結する部材である。動力伝達機構120は、複数の歯車を含む。動力伝達機構120は、遊星歯車機構を備えていてもよい。
このためホルダ150は、ステータ部材62等が配置される空間内に液体が浸入することを防止するとともに、弁体10の上端部12を収容する機能を有する。
次に、ハウジング4について説明する。ハウジング4は、カバー部材4aと、筒状部材4bとを有する。ハウジング4の筒状部材4bは、下側ベース部材2に一端をねじ止めされてなる、L字状に折り曲げられた板状のステー5を介して支持されている。
以下、第2の実施形態にかかる電動弁1Aについて説明する。本実施形態は、上述の実施形態に対し、ハウジングの形状が異なり、また角度センサを有していない。第1の素材と第2の素材は、上述した実施形態と同様のものを用いることができる。上述した実施の形態と同様の構成については、同じ符号を付して重複説明を省略する。
2 :下側ベース部材
3 :制御基板
4、4A :ハウジング
10 :弁体
20 :弁座
30 :ドライバ
31 :雄ねじ
40 :案内部材
41 :雌ねじ
50 :回転シャフト
52 :連結部材
60 :ステッピングモータ
62 :ステータ部材
64 :ロータ部材
70 :永久磁石
80 :角度センサ
100 :キャン
112 :第1流路
113 :弁室
114 :第2流路
120 :動力伝達機構
121 :太陽ギヤ体
122 :遊星ギヤ
123 :キャリア
124 :シャフト
125 :リングギヤ
126 :支持部材
127 :第2リングギヤ
129 :出力ギヤ
130 :仕切り部材
150 :ホルダ
152 :パッキン
154 :パッキン
160 :ボール
170 :ばね部材
172 :ばね受け部材
Claims (10)
- ロータ部材と、前記ロータ部材に対して回転力を付与するステータ部材とを含むモータと、
前記ロータ部材の回転運動を、弁体の軸線方向運動に変換する動力伝達機構と、
前記モータと前記動力伝達機構を収容するハウジングと、
前記ハウジングに連結され、前記弁体が離間または着座する弁座を備えたベース部材と、
を有し、
前記ハウジングは、第1の素材から形成された発熱部と、第2の素材から形成され前記発熱部に接合された受熱部と、を含み、前記第1の素材におけるレーザ光の透過率は、前記第2の素材におけるレーザ光の透過率よりも低い、
ことを特徴とする電動弁。 - 前記発熱部は、前記受熱部を透過したレーザ光を前記発熱部に照射することにより、前記受熱部に溶着されている、
ことを特徴とする請求項1に記載の電動弁。 - 前記ハウジングは、筒状部材と、前記筒状部材を遮蔽するカバー部材とを有し、
前記発熱部は前記筒状部材の一部であり、前記受熱部は前記カバー部材の一部である、
ことを特徴とする請求項1又は2に記載の電動弁。 - 前記カバー部材は、前記モータを駆動する駆動回路を備えた基板を保持し、前記筒状部材に、外部電源と接続可能なコネクタ部が設けられている、
ことを特徴とする請求項3に記載の電動弁。 - 前記カバー部材は、前記筒状部材の端部を覆う蓋部を備え、前記発熱部が前記筒状部材の端部であり、前記受熱部が前記蓋部である
ことを特徴とする請求項3又は4に記載の電動弁。 - 前記蓋部は、レーザ光の照射方向に対して交差する方向に沿って前記筒状部材の端部より外側にはみ出している、
ことを特徴とする請求項5に記載の電動弁。 - 前記蓋部の、前記筒状部材の端部と反対側の面は平面である、
ことを特徴とする請求項5又は6に記載の電動弁。 - 前記カバー部材は、前記筒状部材の端部内側に嵌合する挿入部を備え、前記挿入部の外周面にリブを形成している、
ことを特徴とする請求項3~7のいずれか1項に記載の電動弁。 - 前記モータが、前記筒状部材に配置されており、
前記ロータ部材の回転角度を検出する角度センサが、前記カバー部材に配置されている、
ことを特徴とする請求項8に記載の電動弁。 - 前記ハウジングは、ハウジング本体と、前記ハウジング本体に連結される筒状部材と、前記筒状部材を遮蔽するカバー部材とを有し、
前記ハウジング本体が前記第1の素材により形成され、前記筒状部材が、前記第1の素材と前記第2の素材により形成され、前記カバー部材が前記第2の素材により形成される、
ことを特徴とする請求項1又は2に記載の電動弁。
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US17/441,825 US11906064B2 (en) | 2019-03-29 | 2020-03-04 | Electric valve |
CN202080025661.3A CN113646568A (zh) | 2019-03-29 | 2020-03-04 | 电动阀 |
EP20783005.0A EP3951226A4 (en) | 2019-03-29 | 2020-03-04 | SOLENOID VALVE |
JP2021511279A JP7175049B2 (ja) | 2019-03-29 | 2020-03-04 | 電動弁 |
KR1020217029975A KR20210126736A (ko) | 2019-03-29 | 2020-03-04 | 전동 밸브 |
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US (1) | US11906064B2 (ja) |
EP (1) | EP3951226A4 (ja) |
JP (1) | JP7175049B2 (ja) |
KR (1) | KR20210126736A (ja) |
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WO2022230456A1 (ja) * | 2021-04-30 | 2022-11-03 | 株式会社不二工機 | 電動弁 |
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CN113646568A (zh) | 2021-11-12 |
US11906064B2 (en) | 2024-02-20 |
JPWO2020203007A1 (ja) | 2021-12-02 |
US20220196172A1 (en) | 2022-06-23 |
EP3951226A4 (en) | 2022-12-28 |
KR20210126736A (ko) | 2021-10-20 |
EP3951226A1 (en) | 2022-02-09 |
JP7175049B2 (ja) | 2022-11-18 |
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