JP5394122B2 - 減圧弁 - Google Patents
減圧弁 Download PDFInfo
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- JP5394122B2 JP5394122B2 JP2009112808A JP2009112808A JP5394122B2 JP 5394122 B2 JP5394122 B2 JP 5394122B2 JP 2009112808 A JP2009112808 A JP 2009112808A JP 2009112808 A JP2009112808 A JP 2009112808A JP 5394122 B2 JP5394122 B2 JP 5394122B2
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
- G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
- G05D16/0644—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
- G05D16/0663—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using a spring-loaded membrane with a spring-loaded slideable obturator
- G05D16/0669—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using a spring-loaded membrane with a spring-loaded slideable obturator characterised by the loading mechanisms of the membrane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0236—Multi-way valves; Multiple valves forming a multi-way valve system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0239—Pressure or flow regulators therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/06—Apparatus for de-liquefying, e.g. by heating
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/365—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a diaphragm
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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
- F16K49/00—Means in or on valves for heating or cooling
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
- G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
- G05D16/0633—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane characterised by the properties of the membrane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Fluid Pressure (AREA)
- Safety Valves (AREA)
- Valve Housings (AREA)
Description
16,121・・・ダイヤフラム
17・・・ボディ
24・・・弁孔
25・・・弁座
30・・・弁室
34・・・弁体
34b・・・弁軸部
39・・・高圧通路であるガス導入通路
79・・・圧力作用室
80・・・ばね室
81,82・・・ばね
83,116,126・・・第1リテーナ
84・・・第2リテーナ
85,115,125・・・ダイヤフラムロッド
87・・・中心孔
89,118,128・・・係合部
90,120,130・・・ダイヤフラム組立体
91・・・溝
103・・・挿入部
104・・・挿入孔
105・・・弾発係合部
106,107・・・係合溝
108・・・係合リング
115c・・・挟持面
117・・・シール部材であるOリング
125e・・・第1挟持面
125f・・・第2挟持面
125g・・・第3挟持面
Claims (8)
- 高圧通路(39)に通じる弁室(30)に臨むとともに弁孔(24)を中央部に開口させた弁座(25)に着座可能な弁体(34)を有する弁機構(15)がボディ(17)に収容され、前記弁孔(24)を貫通するようにして前記弁体(34)に同軸に連なる弁軸部(34b)が、前記弁孔(24)よりも下流側の流体圧力が導かれる圧力作用室(79)に一面を臨ませるとともに他面をばね室(80)に臨ませるダイヤフラム(16)の中央部に連結され、前記ばね室(80)には前記圧力作用室(79)の容積を縮小する側に前記ダイヤフラム(16)を付勢するばね力を発揮するばね(81,82)が収容される減圧弁において、前記ダイヤフラム(16)の一面に当接する第1リテーナ(83)を一体に有するダイヤフラムロッド(85)が前記ダイヤフラム(16)の中央部に挿通されるとともに前記ばね室(80)側で前記ダイヤフラムロッド(85)の一端部をかしめて形成される係合部(89)および前記ダイヤフラム(16)の他面間に少なくとも第2リテーナ(84)が挟持されることで、第1リテーナ(83)を一体に有するダイヤフラムロッド(85)、ダイヤフラム(16)および第2リテーナ(84)を少なくとも含むダイヤフラム組立体(90)が構成され、このダイヤフラム組立体(90)の前記ダイヤフラムロッド(85)が前記弁軸部(34b)に連結され、前記ダイヤフラム(16)の内周縁部の板厚が自然な状態では一定であり、第1および第2リテーナ(83,84;116,84)間の間隔のうち最小間隔となる部分が最大間隔となる部分よりもダイヤフラム(16)の半径方向外方に位置することを特徴とする減圧弁。
- 高圧通路(39)に通じる弁室(30)に臨むとともに弁孔(24)を中央部に開口させた弁座(25)に着座可能な弁体(34)を有する弁機構(15)がボディ(17)に収容され、前記弁孔(24)を貫通するようにして前記弁体(34)に同軸に連なる弁軸部(34b)が、前記弁孔(24)よりも下流側の流体圧力が導かれる圧力作用室(79)に一面を臨ませるとともに他面をばね室(80)に臨ませるダイヤフラム(16)の中央部に連結され、前記ばね室(80)には前記圧力作用室(79)の容積を縮小する側に前記ダイヤフラム(16)を付勢するばね力を発揮するばね(81,82)が収容される減圧弁において、ダイヤフラム(16)の一面側に臨む挟持面(115c)を有するダイヤフラムロッド(115)がダイヤフラム(16)の一面に当接する第1リテーナ(116)ならびに第1リテーナ(116)および前記挟持面(115c)間に介装される環状のシール部材(117)を前記挟持面(115c)および前記ダイヤフラム(16)の一面間に挟んで前記ダイヤフラム(16)の中央部に挿通されるとともに前記ばね室(80)側で前記ダイヤフラムロッド(115)の一端部をかしめて形成される係合部(118)および前記ダイヤフラム(16)の他面間に少なくとも第2リテーナ(84)が挟持されることで、ダイヤフラムロッド(115)、シール部材(117)、第1リテーナ(116)、ダイヤフラム(16)および第2リテーナ(84)を少なくとも含むダイヤフラム組立体(120)が構成され、このダイヤフラム組立体(120)の前記ダイヤフラムロッド(115)が前記弁軸部(34b)に連結されることを特徴とする減圧弁。
- 高圧通路(39)に通じる弁室(30)に臨むとともに弁孔(24)を中央部に開口させた弁座(25)に着座可能な弁体(34)を有する弁機構(15)がボディ(17)に収容され、前記弁孔(24)を貫通するようにして前記弁体(34)に同軸に連なる弁軸部(34b)が、前記弁孔(24)よりも下流側の流体圧力が導かれる圧力作用室(79)に一面を臨ませるとともに他面をばね室(80)に臨ませるダイヤフラム(121)の中央部に連結され、前記ばね室(80)には前記圧力作用室(79)の容積を縮小する側に前記ダイヤフラム(121)を付勢するばね力を発揮するばね(81,82)が収容される減圧弁において、前記ダイヤフラム(121)の中央部に中心孔(122)を形成する短円筒状のリブ(121a)が該ダイヤフラム(121)の一面から突出するようにして一体に設けられ、ダイヤフラム(121)の一面との間に第1リテーナ(126)を挟持する第1挟持面(125e)、第1リテーナ(126)の内方で前記リブ(121a)の端部を当接させる環状の第2挟持面(125f)、ならびに前記リブ(121a)を前記第2挟持面(125f)との間に挟持するとともに前記ダイヤフラム(121)および前記第1リテーナ(126)を第1挟持面(125e)との間に挟持する第2リテーナ(84)を当接させる第3挟持面(125g)を有するダイヤフラムロッド(125)が、前記ダイヤフラム(121)の前記中心孔(122)に挿通され、前記ばね室(80)側で前記ダイヤフラムロッド(125)の一端部をかしめて形成される係合部(128)および前記第3挟持面(125g)間に、少なくとも前記第2リテーナ(84)が挟持されることで、ダイヤフラムロッド(125)、第1リテーナ(126)、ダイヤフラム(121)および第2リテーナ(84)を少なくとも含むダイヤフラム組立体(130)が構成され、このダイヤフラム組立体(130)の前記ダイヤフラムロッド(125)が前記弁軸部(34b)に連結されることを特徴とする減圧弁。
- 前記弁軸部(34b)および前記ダイヤフラムロッド(85,115,125)の一方に設けられる挿入部(103)を挿入せしめる挿入孔(104)が、前記弁軸部(34b)および前記ダイヤフラムロッド(85,115,125)の他方に設けられ、前記挿入部(103)の外周および前記挿入孔(104)の内周間の弾発係合部(105)で弁軸部(34b)およびダイヤフラムロッド(85,115,125)が連結されることを特徴とする請求項1〜3のいずれかに記載の減圧弁。
- 前記弾発係合部(105)が、前記挿入部(103)の外周および前記挿入孔(104)の内周にそれぞれ設けられるリング状の係合溝(106,107)と、半径方向の弾発的な拡縮を可能として前記両係合溝(106,107)に係合する係合リング(108)とから成ることを特徴とする請求項4記載の減圧弁。
- 金属製である第1リテーナ(83,116)および第2リテーナ(84)が、前記ダイヤフラムロッド(85,116)を挿通せしめるべく前記ダイヤフラム(16)の中央部に設けられた中心孔(87)内で直接または金属製のワッシャを介して当接されることを特徴とする請求項1または2記載の減圧弁。
- 前記ダイヤフラム(16)の内周縁部の板厚が自然な状態では一定であり、第1および第2リテーナ(83,84;116,84)間の間隔のうち最小間隔となる部分が最大間隔となる部分よりもダイヤフラム(16)の半径方向外方に位置することを特徴とする請求項2または6記載の減圧弁。
- 第1リテーナ(83,115)および第2リテーナ(84)のダイヤフラム(16)側の面の少なくとも一方に、断面形状を略V字形とした溝(91)がダイヤフラム(16)の一部を食い込ませるようにして形成されることを特徴とする請求項1、2、6または7記載の減圧弁。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009112808A JP5394122B2 (ja) | 2009-02-02 | 2009-05-07 | 減圧弁 |
US13/142,050 US20110272614A1 (en) | 2009-02-02 | 2010-02-01 | Pressure reducing valve |
CN2010800062794A CN102301298B (zh) | 2009-02-02 | 2010-02-01 | 减压阀 |
EP10735935.8A EP2385437B1 (en) | 2009-02-02 | 2010-02-01 | Pressure reducing valve |
CA2748702A CA2748702C (en) | 2009-02-02 | 2010-02-01 | Pressure reducing valve |
KR1020117020328A KR101254897B1 (ko) | 2009-02-02 | 2010-02-01 | 감압 밸브 |
PCT/JP2010/051342 WO2010087475A1 (ja) | 2009-02-02 | 2010-02-01 | 減圧弁 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009021998 | 2009-02-02 | ||
JP2009021998 | 2009-02-02 | ||
JP2009112808A JP5394122B2 (ja) | 2009-02-02 | 2009-05-07 | 減圧弁 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010198587A JP2010198587A (ja) | 2010-09-09 |
JP2010198587A5 JP2010198587A5 (ja) | 2011-11-24 |
JP5394122B2 true JP5394122B2 (ja) | 2014-01-22 |
Family
ID=42395727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009112808A Active JP5394122B2 (ja) | 2009-02-02 | 2009-05-07 | 減圧弁 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110272614A1 (ja) |
EP (1) | EP2385437B1 (ja) |
JP (1) | JP5394122B2 (ja) |
KR (1) | KR101254897B1 (ja) |
CN (1) | CN102301298B (ja) |
CA (1) | CA2748702C (ja) |
WO (1) | WO2010087475A1 (ja) |
Families Citing this family (8)
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JP5135247B2 (ja) * | 2009-02-02 | 2013-02-06 | 株式会社ケーヒン | 減圧弁の組立方法および減圧弁 |
JP5277133B2 (ja) * | 2009-09-30 | 2013-08-28 | 株式会社ケーヒン | 減圧弁の弁軸連結構造および方法 |
JP5153898B2 (ja) * | 2010-04-28 | 2013-02-27 | セントラル硝子株式会社 | ハロゲンガス又はハロゲン化合物ガスの充填容器用バルブ |
JP5982703B2 (ja) * | 2012-07-02 | 2016-08-31 | 株式会社ケーヒン | 減圧弁 |
WO2014070027A1 (en) * | 2012-10-31 | 2014-05-08 | Spółka Akcyjna AC | Supporting-start-up heater for the pressure regulator and vaporizer in automotive gas fuelling installations and the method of supporting-start-up heating of in automotive gas fuelling installations |
JP6021767B2 (ja) * | 2013-09-04 | 2016-11-09 | 日本サーモスタット株式会社 | 液化ガス加温用ヒータ装置 |
US20190323625A1 (en) | 2018-04-23 | 2019-10-24 | Rain Bird Corporation | Valve With Reinforcement Ports And Manually Removable Scrubber |
USD926944S1 (en) | 2019-11-25 | 2021-08-03 | Joseph P. Marcilese | Fluid connector |
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US6629544B2 (en) * | 2000-12-11 | 2003-10-07 | Keihin Corporation | Gas pressure-reducing valve |
JP3943852B2 (ja) * | 2001-03-21 | 2007-07-11 | 株式会社テージーケー | 圧力制御弁 |
JP3933563B2 (ja) * | 2002-11-29 | 2007-06-20 | 株式会社ケーヒン | レギュレータ |
JP4226486B2 (ja) * | 2004-02-10 | 2009-02-18 | 株式会社ケーヒン | ガス用レギュレータ |
JP2006119981A (ja) * | 2004-10-22 | 2006-05-11 | Sanden Shoji Kk | 感温式自動減圧弁 |
JP4928959B2 (ja) * | 2007-01-25 | 2012-05-09 | 株式会社ケーヒン | ガス用減圧弁 |
JP4806478B2 (ja) * | 2007-04-24 | 2011-11-02 | 株式会社ケーヒン | 減圧弁 |
-
2009
- 2009-05-07 JP JP2009112808A patent/JP5394122B2/ja active Active
-
2010
- 2010-02-01 EP EP10735935.8A patent/EP2385437B1/en active Active
- 2010-02-01 WO PCT/JP2010/051342 patent/WO2010087475A1/ja active Application Filing
- 2010-02-01 US US13/142,050 patent/US20110272614A1/en not_active Abandoned
- 2010-02-01 KR KR1020117020328A patent/KR101254897B1/ko not_active IP Right Cessation
- 2010-02-01 CA CA2748702A patent/CA2748702C/en not_active Expired - Fee Related
- 2010-02-01 CN CN2010800062794A patent/CN102301298B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CA2748702A1 (en) | 2010-08-05 |
CA2748702C (en) | 2016-01-05 |
EP2385437A4 (en) | 2017-02-22 |
EP2385437A1 (en) | 2011-11-09 |
CN102301298A (zh) | 2011-12-28 |
WO2010087475A1 (ja) | 2010-08-05 |
KR101254897B1 (ko) | 2013-04-15 |
CN102301298B (zh) | 2013-08-28 |
KR20110122156A (ko) | 2011-11-09 |
US20110272614A1 (en) | 2011-11-10 |
EP2385437B1 (en) | 2018-10-31 |
JP2010198587A (ja) | 2010-09-09 |
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