WO2018079770A1 - 電磁弁、及び飲料供給装置 - Google Patents

電磁弁、及び飲料供給装置 Download PDF

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Publication number
WO2018079770A1
WO2018079770A1 PCT/JP2017/039100 JP2017039100W WO2018079770A1 WO 2018079770 A1 WO2018079770 A1 WO 2018079770A1 JP 2017039100 W JP2017039100 W JP 2017039100W WO 2018079770 A1 WO2018079770 A1 WO 2018079770A1
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WO
WIPO (PCT)
Prior art keywords
port
electromagnetic valve
valve
inlet port
circulation
Prior art date
Application number
PCT/JP2017/039100
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
時夫 高橋
山本　隆治
田中　秀夫
英夫 柄崎
一司 鈴木
Original Assignee
サントリーホールディングス株式会社
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 サントリーホールディングス株式会社 filed Critical サントリーホールディングス株式会社
Priority to KR1020197006641A priority Critical patent/KR102217952B1/ko
Priority to CN201780061855.7A priority patent/CN109790008B/zh
Publication of WO2018079770A1 publication Critical patent/WO2018079770A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/07—Cleaning beverage-dispensing apparatus
    • 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
    • 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
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D2001/0093—Valves

Definitions

  • the present invention relates to an electromagnetic valve capable of sterilizing a seal portion in a closed state, and a beverage supply device such as a water server equipped with the electromagnetic valve.
  • a water server which is a beverage supply device has a tank for storing drinking water in a piping system, and as a means for sterilizing the piping system, for heating the drinking water in the tank to a sterilizable temperature.
  • a heating means, a pump for supplying high-temperature water in the tank toward the piping system, and a circulation line for returning the high-temperature water sent to the piping system by the pump to the tank again Has been proposed.
  • Such a water server maintains the piping system in a state where microorganisms are not propagated by periodically performing a sterilization process in which high-temperature water is supplied to the piping system by the above-mentioned pump or natural circulation (convection). To do.
  • the water server 100 includes a drinking water container 102, a cold water tank 103 that receives drinking water dropped from the drinking water container 102, a hot water tank 105 that receives drinking water from the cold water tank 103, and the cold water in the cold water tank 103 as a drinking container
  • the hot water tank 105 is provided with a heater (not shown), and the cold water tank 103 is provided with a cooler (not shown).
  • the cold water injection unit 107 of the water server 100 is provided with an electromagnetic valve 110 shown in FIG.
  • the electromagnetic valve 110 includes a body portion 111.
  • the body portion 111 is connected to an inlet port 111a into which drinking water flows, a valve box 111d connected to the inlet port 111a, and a valve box 111d.
  • Outlet port 111b is shown in FIG. 8.
  • the electromagnetic valve 110 includes a diaphragm (valve element) 119 that is disposed in the valve box 111d and opens and closes a conduit between the inlet port 111a and the outlet port 111b, a movable core portion 113 that is connected to the diaphragm 119, and a movable iron core.
  • An object of the present invention is to provide an electromagnetic valve and a beverage supply device that can sufficiently sterilize the inside of the electromagnetic valve and have high sterilization efficiency.
  • the present invention is configured as follows.
  • (Aspect 1) A valve box, an inlet port for flowing beverage into the valve box, an outlet port for flowing beverage from the valve box, and a movable housed in the valve box between the inlet port and the outlet port A center portion, a seal portion provided on one end side of the movable core portion and closing the outlet port, and a seal portion provided on the other end side of the movable core portion and biasing the seal portion so as to close the outlet port.
  • An electromagnetic valve comprising an urging member, wherein the electromagnetic valve is connected to the inter-port flow path for allowing a beverage to flow between the inlet port and the outlet port, and to the inter-port flow path on the outlet port side.
  • a solenoid port wherein the sterilization medium flows between the inlet port and the circulation port via the inter-port flow path in a state where the seal portion closes the outlet port.
  • the inter-port flow path is one or a plurality of grooves formed on an inner surface of the valve box or an outer surface of the movable core,
  • An electromagnetic valve which is a space formed between an inner surface and an outer surface of the movable core.
  • the circulation port is provided on a side wall of the valve box adjacent to the outlet port.
  • Aspect 4 The electromagnetic valve according to any one of aspects 1 to 3, wherein the circulation port is arranged at a predetermined angle with respect to a longitudinal direction of the electromagnetic valve.
  • the valve box includes a movable core portion accommodating portion that accommodates the movable core portion so as to advance and retreat, and the movable core portion accommodating portion.
  • the diameter of the solenoid valve is larger than the diameter of the inlet port and / or the outlet port.
  • the movable core portion is a movable iron core portion, and the electromagnetic valve includes a coil portion for moving the movable iron core portion by magnetic force. ,solenoid valve.
  • the biasing member is a spring
  • the electromagnetic valve includes an accommodating portion that accommodates the spring.
  • the accommodating portion is a concave accommodating portion provided on the other end side of the movable core portion, and the spring is interposed between the inlet port and the concave accommodating portion. Is accommodated, solenoid valve.
  • the recess-shaped accommodating portion is provided with one or a plurality of slits, and the inter-port flow path and the inlet port communicate with each other through the slits. valve.
  • the electromagnetic valve includes an extension pipe portion that extends from the inlet port into the valve box, and the storage portion includes the extension pipe portion and the valve box. An electromagnetic valve, which is an annular housing portion formed between them.
  • the electromagnetic valve according to aspect 10 wherein the extension pipe portion is provided with one or more slits, and the inter-port flow path and the inlet port communicate with each other through the slits. .
  • Aspect 12 The electromagnetic valve according to Aspect 10 or 11, wherein the extension pipe portion is provided with an opening at an end thereof, and the inter-port passage and the inlet port are communicated with each other through the opening.
  • Aspect 13 The electromagnetic valve according to any one of aspects 1 to 12, wherein the circulation port is provided in a lower part of the valve box.
  • Aspect 14 The electromagnetic valve according to any one of aspects 1 to 13, wherein the sterilizing medium is hot water.
  • a beverage supply device comprising the electromagnetic valve according to any one of aspects 1 to 14.
  • Aspect 16 The beverage supply apparatus according to Aspect 15, wherein a heating member is provided in a pipe line connected to the circulation port or the inlet port.
  • the present invention can reliably sterilize the inside of the solenoid valve when the solenoid valve is closed. Furthermore, according to the present invention, the periphery of the seal portion, the groove portion, and the urging member can be reliably sterilized with the electromagnetic valve closed.
  • Embodiments in which the electromagnetic valve and beverage supply device of the present invention are applied to a water server electromagnetic valve and a water server will be described below.
  • the water supply structure of the water server of each embodiment of the present invention is the same as that of the water server of FIG. 7, but includes an electromagnetic valve of each embodiment described later instead of the electromagnetic valve of the water server of FIG. 7.
  • the electromagnetic valve and water server of each embodiment of the present invention have an electromagnetic valve that can sterilize the periphery of the seal portion of the electromagnetic valve when the flow path is sterilized.
  • the electromagnetic valve 10 includes a valve box (body part) 11 that houses a valve body such as a seal part 19 and the like that will be described later and constitutes a flow path that is opened and closed by the seal part 19, and the valve box 11 receives drinking water.
  • a valve box (body part) 11 that houses a valve body such as a seal part 19 and the like that will be described later and constitutes a flow path that is opened and closed by the seal part 19, and the valve box 11 receives drinking water.
  • An inlet port 11a, an outlet port 11b through which drinking water flows out, a circulation port 11c through which a sterilizing medium (hot water, hot water, or a sterilizing agent) circulates, and a large-diameter pipe portion 11d communicating with each port are provided.
  • the inlet port 11a, the large-diameter pipe portion 11d, and the outlet port 11b are linearly arranged, and the circulation port 11c has a predetermined angle with respect to the longitudinal direction of the electromagnetic valve 10 on the outlet port 11b side. Then, it is connected to the large diameter pipe part (movable core part accommodating part) 11d.
  • the predetermined angle may preferably be in the range of 45 degrees to 135 degrees, more preferably in the range of 80 degrees to 100 degrees, and even more preferably substantially perpendicular.
  • the inner diameter of the large diameter pipe portion 11d is formed larger than the inner diameter of each port.
  • the circulation port 11c is provided on the side wall of the valve box 11 adjacent to the outlet port 11b.
  • the hot water is preferably water heated to a range of 60 to 100 ° C., more preferably water heated to a range of 80 to 100 ° C.
  • the electromagnetic valve 10 is in contact with the inner surface of the large-diameter pipe portion 11d and can move forward and backward along its longitudinal direction, and the movable core portion 13 in the large-diameter pipe portion 11d.
  • a seal portion 19 that can close the outlet port 11b, a return spring (biasing member) 17 that biases the movable core portion 13 toward the outlet port 11b, and a large-diameter pipe portion 11d.
  • a coil portion 15 for moving the movable core portion 13 with a magnetic force.
  • the spring 17 is provided between the other end (right end) of the movable core 13 and the inlet port 11a.
  • the seal part 19 is formed in a disk shape from a flexible member such as rubber.
  • the diameter of the seal part 19 is smaller than the diameter of the movable core part 13 and larger than the opening diameter of the outlet port 11b.
  • the movable iron core portion 13 has an elongated cylindrical shape, and one or a plurality of groove portions 13a through which water can flow along the longitudinal direction is formed on the outer peripheral curved surface.
  • the inter-port flow path connecting the inlet port 11a and the outlet port 11b is configured by the groove 13a.
  • One or a plurality of groove portions may be formed along the longitudinal direction on the inner surface of the large-diameter pipe portion 11d instead of the outer surface of the movable iron core portion 13.
  • a concave accommodating portion 13 b that accommodates the spring 17 is formed at the other end (the right end in FIG. 1) of the movable core portion 13.
  • One or a plurality of slits 13c that allow water to flow are formed in a portion of the movable core portion 13 where the groove portion 13a and the accommodating portion 13b overlap.
  • the electromagnetic valve 10 is in a closed state in which the movable iron core portion 13 and the seal portion 19 are advanced and the seal portion 19 closes the outlet port 11b.
  • a sterilization medium hot water, hot water, or a sterilizing agent
  • the sterilization medium flows into the inlet port 11a of the solenoid valve 10 as a forward flow
  • the sterilization medium is stored in the housing portion 13b, the one or more slits 13c, the one or more grooves 13a, and the seal portion 19.
  • the sterilizing medium flows in the order of the surroundings and the circulation port 11c, flows out to the outside of the solenoid valve 10, and circulates through a circulation pipe which will be described later. Further, when the sterilizing medium flows into the circulation port 11c of the electromagnetic valve 10 as a reverse flow, the sterilizing medium surrounds the seal portion 19, one or a plurality of grooves 13a, one or a plurality of slits 13c, a housing portion 13b, an inlet It flows in the order of the port 11a, flows out of the electromagnetic valve 10, and circulates through a circulation pipe which will be described later.
  • the sterilizing medium can be made to flow only in the forward flow, only in the reverse flow, or alternately switched between the forward flow and the reverse flow.
  • the solenoid valve 10 is in an open state in which the movable core portion 13 and the seal portion 19 are retracted and the seal portion 19 opens the outlet port 11b.
  • the drinking water flows into the inlet port 11a of the electromagnetic valve 10 from a cold water tank (not shown)
  • the drinking water is stored in the accommodating portion 13b, the one or more slits 13c, and the one or more grooves 13a.
  • the seal part 19 flows out from the outlet port 11b to the outside of the solenoid valve 10 (cold water injection part).
  • the pipe line connected to the circulation port 11c is closed by a valve (not shown)
  • the drinking water does not flow out to the circulation port 11c side.
  • the electromagnetic valve 20 includes a valve box (body part) 21 that houses a valve body such as a seal part 29, which will be described later, and constitutes a flow path that is opened and closed by the seal part 29, and drinking water flows into the valve box 21.
  • An inlet port 21a, an outlet port 21b through which drinking water flows out, a circulation port 21c through which a sterilizing medium (hot water, hot water, or a sterilizing agent) circulates, and a large-diameter pipe portion 21d communicating with each port are provided.
  • the inlet port 21a, the large-diameter pipe portion 21d, and the outlet port 21b are arranged in a straight line, and the circulation port 21c is on the outlet port 21b side with respect to the longitudinal direction of the electromagnetic valve 10. And connected to the large-diameter pipe portion 21d. Further, as shown in FIGS. 3 and 4, the circulation port 21c is provided on the side wall of the valve box 21 adjacent to the outlet port 21b.
  • the electromagnetic valve 20 is in contact with the inner surface of the large-diameter pipe portion 21d and can move forward and backward along the longitudinal direction thereof, and one end (left end) of the movable iron core portion 23 in the large-diameter pipe portion 21d.
  • a seal portion 29 that can close the outlet port 21b, a return spring (biasing member) 27 that urges the movable core portion 23 toward the outlet port 21b.
  • the coil part 25 for moving the movable core part 23 by magnetic force is provided.
  • the spring 27 is provided between the other end (right end) of the movable core portion 23 and the inlet port 21a in the large-diameter pipe portion 21d.
  • the seal part 29 is formed in a disk shape from a flexible member such as rubber.
  • the seal part 29 further has a flange part 29a, and the diameter of the flange part 29a is smaller than the diameter of the movable core part 23 and larger than the diameter of the outlet port 21b.
  • the movable iron core portion 23 has an elongated cylindrical shape, and one or a plurality of groove portions 23a through which water can flow along the longitudinal direction are formed on the outer peripheral curved surface.
  • the inter-port flow path connecting the inlet port 21a and the outlet port 21b is configured by the groove 23a.
  • One or more grooves may be formed not on the outer surface of the movable core portion 23 but on the inner surface of the large-diameter pipe portion 21d.
  • an extension pipe part 21a1 is provided that extends the pipe line of the inlet port 21a into the large diameter pipe part 21d.
  • An annular space formed between the outer surface of the extension tube portion 21a1 of the inlet port 21a and the inner surface of the large diameter tube portion 21d constitutes a housing portion 21e that houses the spring 27.
  • An opening 21 a 2 is formed on the end surface of the extension pipe portion 21 a 1 that faces the movable core portion 23.
  • One or more slits 21a3 are formed around the extension pipe part 21a1 in parallel with the longitudinal direction of the large diameter pipe part 21d.
  • the opening 21a2 and the slit 21a3 allow water to flow between the inlet port 21a and the inside of the large diameter pipe portion 21d.
  • the electromagnetic valve 20 is in a closed state in which the movable iron core portion 23 and the seal portion 29 are advanced and the seal portion 29 closes the outlet port 21 b.
  • a sterilizing medium hot water, hot water, or a sterilizing agent
  • the sterilization medium includes the opening 21a2, one or more slits 21a3, the accommodating portion 21e, one or more grooves 23a, and a seal.
  • the sterilization medium flows in the order around the part 29, flows out of the electromagnetic valve 20, and circulates through a circulation line to be described later. Further, when the sterilization medium flows into the circulation port 21c of the electromagnetic valve 20 as a reverse flow, the sterilization medium flows around the seal portion 29, one or a plurality of groove portions 23a, a housing portion 21e, an opening 21a2, and one or more slits. It flows in the order of 21a3 and the inlet port 21a, flows out of the solenoid valve 20, and circulates through a circulation pipe which will be described later. Also in the second embodiment, the sterilization medium can be made to flow only in the forward flow, only in the reverse flow, or alternately switched between the forward flow and the reverse flow.
  • the solenoid valve 20 is in an open state in which the movable core portion 23 and the seal portion 29 are retracted and the seal portion 29 opens the outlet port 21b.
  • the drinking water flows from a cold water tank (not shown) into the inlet port 21a of the electromagnetic valve 20
  • the drinking water is supplied to the extension pipe portion 21a1, one or a plurality of slits 21a3, the accommodating portion 12e, and one.
  • the gas passes through the periphery of the plurality of groove portions 23 a and the seal portion 29 in order, and flows out from the outlet port 21 b to the outside of the electromagnetic valve 20. Since the circulation path connected to the circulation port 21c is closed by a valve (not shown), the drinking water does not flow out to the circulation port 21c side.
  • the circulation line 30 will be described with reference to FIG.
  • the circulation pipe 30 is provided with a heater (heating member) 31 below the pipe connected to the circulation port 11c. Since the solenoid valve 10 is arranged horizontally, the inlet port 11a and the outlet port 11b are arranged in the horizontal direction, and the circulation port 11c faces downward.
  • the heater 31 heats the water in the pipe, the water is heated to become a sterilization medium (hot water), and the pipe is raised by convection, so that the circulation port 11 c and the solenoid valve 10 circulates in the order of the inlet port 11a.
  • the circulation line 40 will be described with reference to FIG.
  • the circulation pipe 40 is provided with a heater 41 (heating member) below the pipe connected to the circulation port 11c. Since the solenoid valve 10 is arranged vertically, the inlet port 11a and the outlet port 11b are arranged in the vertical direction, and the circulation port 11c faces the horizontal direction.
  • the heater 41 heats the water in the pipe, the water is heated to become a sterilization medium (hot water), and the pipe is raised by convection, so that the circulation port 11c, the electromagnetic valve 10 circulates in the order of the inlet port 11a.
  • the circulation line 50 will be described with reference to FIG.
  • the circulation pipe 50 is provided with a heater (heating member) 51 in a pipe branching downward from a pipe connected to the inlet port 11a. Since the solenoid valve 10 is arranged horizontally, the inlet port 11a and the outlet port 11b are arranged in the horizontal direction, and the circulation port 11c faces downward.
  • the heater 51 heats the water in the pipe
  • the water is heated to become a sterilization medium (hot water), and the pipe is raised by convection, so that the inlet port 11a, the solenoid valve 10 circulates in the order of the circulation port 11c.
  • the circulation line 60 will be described with reference to FIG.
  • the circulation pipe 60 is provided with a heater (heating member) 61 in a pipe branching downward from a pipe connected to the inlet port 11a. Since the solenoid valve 10 is arranged vertically, the inlet port 11a and the outlet port 11b are arranged in the vertical direction, and the circulation port 11c faces the horizontal direction.
  • the heater 61 heats the water in the pipe, the water is heated to become a sterilization medium (hot water), and the pipe is raised by convection, so that the inlet port 11a, the solenoid valve 10 circulates in the order of the circulation port 11c.
  • the solenoid valve according to the first or second embodiment of the present invention can circulate the sterilization medium on the entire inner surface of the solenoid valve except the outlet port and the surface of the seal portion on the side closing the outlet port. Therefore, the entire solenoid valve can be efficiently heated to the sterilization temperature in a short time, and an appropriate sterilization effect can be obtained, and energy required for sterilization can be reduced as compared with the conventional case.
  • the water server which supplies water was described as a drink supply apparatus provided with the solenoid valve 10 or 20
  • this invention is not limited to a water server, For example, You may apply to the drink supply apparatus which supplies a soft drink.
  • the solenoid valve 10 or 20 was provided in the drink supply apparatus, it is not limited to this,
  • the liquid supply which supplies the arbitrary liquid which is not a drink to the said solenoid valve It can also be provided in the device.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Magnetically Actuated Valves (AREA)
PCT/JP2017/039100 2016-10-31 2017-10-30 電磁弁、及び飲料供給装置 WO2018079770A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020197006641A KR102217952B1 (ko) 2016-10-31 2017-10-30 전자(電磁) 밸브 및 음료 공급 장치
CN201780061855.7A CN109790008B (zh) 2016-10-31 2017-10-30 电磁阀及饮料供给装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016212416A JP6789066B2 (ja) 2016-10-31 2016-10-31 電磁弁、及び飲料供給装置
JP2016-212416 2016-10-31

Publications (1)

Publication Number Publication Date
WO2018079770A1 true WO2018079770A1 (ja) 2018-05-03

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PCT/JP2017/039100 WO2018079770A1 (ja) 2016-10-31 2017-10-30 電磁弁、及び飲料供給装置

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Country Link
JP (1) JP6789066B2 (zh)
KR (1) KR102217952B1 (zh)
CN (1) CN109790008B (zh)
TW (1) TWI747987B (zh)
WO (1) WO2018079770A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7433993B2 (ja) 2020-03-11 2024-02-20 ニデックコンポーネンツ株式会社 三方弁

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2005207604A (ja) * 2004-01-19 2005-08-04 Suntory Ltd 飲料水のディスペンサ
JP2016113177A (ja) * 2014-12-15 2016-06-23 サントリーホールディングス株式会社 飲料供給装置の電磁弁

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Publication number Priority date Publication date Assignee Title
WO2006033049A1 (en) * 2004-09-20 2006-03-30 Koninklijke Philips Electronics N.V. A beverage-making device comprising a brewing chamber and pressure release means
US8777182B2 (en) * 2008-05-20 2014-07-15 Grinon Industries Fluid transfer assembly and methods of fluid transfer
WO2012165775A2 (ko) 2011-05-27 2012-12-06 주식회사 위닉스 살균시스템을 구비한 냉온수기
JP6058901B2 (ja) 2012-03-01 2017-01-11 サントリー食品インターナショナル株式会社 ウォーターサーバ
JP5938378B2 (ja) * 2013-09-18 2016-06-22 Ckd株式会社 電磁弁
CN204878969U (zh) * 2015-08-05 2015-12-16 浙江三花制冷集团有限公司 一种电磁阀

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005207604A (ja) * 2004-01-19 2005-08-04 Suntory Ltd 飲料水のディスペンサ
JP2016113177A (ja) * 2014-12-15 2016-06-23 サントリーホールディングス株式会社 飲料供給装置の電磁弁

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7433993B2 (ja) 2020-03-11 2024-02-20 ニデックコンポーネンツ株式会社 三方弁

Also Published As

Publication number Publication date
JP2018071663A (ja) 2018-05-10
JP6789066B2 (ja) 2020-11-25
KR20190034658A (ko) 2019-04-02
KR102217952B1 (ko) 2021-02-19
CN109790008B (zh) 2021-03-05
TWI747987B (zh) 2021-12-01
CN109790008A (zh) 2019-05-21
TW201823618A (zh) 2018-07-01

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