JP5406993B2 - ガス用調圧弁 - Google Patents
ガス用調圧弁 Download PDFInfo
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- JP5406993B2 JP5406993B2 JP2012527604A JP2012527604A JP5406993B2 JP 5406993 B2 JP5406993 B2 JP 5406993B2 JP 2012527604 A JP2012527604 A JP 2012527604A JP 2012527604 A JP2012527604 A JP 2012527604A JP 5406993 B2 JP5406993 B2 JP 5406993B2
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- pressure
- valve body
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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
- 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
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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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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
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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
-
- 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
- F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/30—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces specially adapted for pressure containers
- F16K1/304—Shut-off valves with additional means
-
- 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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
- H01M8/04208—Cartridges, cryogenic media or cryogenic reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/026—Measuring or estimating parameters related to the fuel supply system
- F02D19/027—Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position
-
- 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
- F02M21/0221—Fuel storage reservoirs, e.g. cryogenic tanks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7759—Responsive to change in rate of fluid flow
- Y10T137/776—Control by pressures across flow line valve
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7761—Electrically actuated valve
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Sustainable Energy (AREA)
- Electrochemistry (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Magnetically Actuated Valves (AREA)
- Fuel Cell (AREA)
- Safety Valves (AREA)
Description
燃料ガス供給システム2は、水素ガスや圧縮天然ガス等の燃料ガスが高圧で貯蔵される高圧タンク3に繋がっている。燃料ガス供給システム2は、燃料電池やガスエンジン等の燃料ガス消費器に繋がっており、高圧の燃料ガスを所望の低圧に調圧して燃料ガス消費器に供給するようになっている。このように構成される燃料ガス供給システム2は、電磁式調圧弁1、圧力センサ4、及び演算制御器5を備えている。
<電磁式調圧弁の構成>
図2に示す第1実施形態の電磁式調圧弁1は、ハウジング12を備えている。ハウジング12は、大略円筒状になっている。ハウジング12の下端側は、高圧タンク3の開口部3aに挿入され、該開口部3aにシールされて取付けられている。また、ハウジング12は、弁体孔12a及び二次ポート12bを有している。弁体孔12aは、上下方向に延びる軸線L1に沿って延在し、その断面が円形状になっている。弁体孔12aは、ハウジング12を上下方向に貫通し、その上下両側に開口を有している。二次ポート12bは、ハウジング12の側面の上端側に形成され、高圧タンク3外に表出している。また、ハウジング12は、軸線L1に直交する二次側通路12cを有しており、二次ポート12bは、二次側通路12cを介して弁体孔12aに繋がっている。また、二次ポート12bは、供給路2a(図1参照)を介して、燃料ガス消費器(図1参照)に繋がっている。
以下では、図2を参照しながら電磁式調圧弁1の動作について説明する。電磁比例ソレノイド31のソレノイドコイル33に電流を流すと、可動鉄心37に励磁力が作用し、可動鉄心37が連結部材32の方へ引き付けられる。これにより、弁体17がシート部材16から離れて開位置方向に移動し、弁通路46が開く。弁通路46が開くことで、弁体17とシート部材16との間にオリフィス(図示せず)が形成され、燃料ガスがこのオリフィスにより二次圧p2に減圧されて弁空間12eに流れる。
本発明の第2実施形態に係る電磁式調圧弁1Aは、第1実施形態に係る電磁式調圧弁1と構成が類似している。そこで、第2実施形態に係る電磁式調圧弁1Aの構成に関して第1実施形態の電磁式調圧弁1と異なる構成についてだけ説明し、同一の構成については、同一の符合を付して説明を省略する。
本発明の第3及び第4実施形態に係る電磁式調圧弁1B,1Cは、図4及び図5に示すように、受圧面積A1及び受圧面積A2が異なる点を除いて、第1及び第2実施形態に係る電磁式調圧弁1,1Aと同様である。以下では、その点についてだけ説明する。
第5実施形態に係る調圧弁1Dは、第2実施形態の電磁式調圧弁1Aに類似しており、図6に示すように電磁比例ソレノイド31に代えて圧電アクチュエータ31Dを備えている。弁体駆動手段である圧電アクチュエータ31Dは、圧電素子(例えば、ピエゾ素子)から成り、印加される印加電圧に応じた駆動力を発生し、押圧ロッド38を介して弁体17を開位置方向に動かして弁通路46Aを開くようになっている。この際、弁通路46Aは、発生する駆動力に応じた開度で開き、調圧弁1Dもまた、圧電アクチュエータ31Dに印加される印加電圧に応じた圧力に二次圧p2を調圧できるようになっている。
第6実施形態に係る調圧弁1Eは、第2実施形態の電磁式調圧弁1Aと類似しており、図7に示すように電磁比例ソレノイド31に代えてフォースモータ31Eを備えている。弁体駆動手段であるフォースモータ31Eは、円筒状の永久磁石61の中に可動コイル62が挿入されており、可動コイル62に電流を流すと電流に応じた励磁力が発生し、この励磁力により可動コイル62がヨーク63内を動くようになっている。可動コイル62が動くことでそれに一体的に設けられている押圧ロッド38によって弁体17が開位置方向に押されて弁通路46Aが開く。この際、弁通路46Aは、発生する励磁力に応じた開度で開き、調圧弁1Eもまたフォースモータ31Eに流される電流に応じた圧力に二次圧p2を調圧できるようになっている。
本実施形態では、圧力帰還室25の二次圧p2をダイアフラムシール21で受圧しているが、必ずしもダイアフラムシールでなくてもよく、Oリングなどの低圧シール部材であってもよい。
1D,1E 調圧弁
3 タンク
12 ハウジング
12b 二次ポート
17 弁体
19 軸受部材収容空間
20 軸受部材
21 ダイアフラムシール
22 低圧シール部材
25 圧力帰還室
26 シールロッド
27 背圧力室
28 復帰用ばね
29 高圧シール部材
30 連絡通路
31 電磁比例ソレノイド
31D 圧電アクチュエータ
31E フォースモータ
41,41A 一次ポート
46,46A 弁通路
Claims (4)
- タンクの開口部に設けられ、前記タンク内に充填された燃料ガスを調圧して出力するガス用調圧弁において、
一次ポートと二次ポートとに繋がる弁通路を有するハウジングと、
前記ハウジング内に設けられ、前記弁通路を閉じる閉位置と前記弁通路を開く開位置との間で移動して前記弁通路の開度を調整する弁体と、
前記弁体を閉位置の方に付勢する復帰用ばねと、
前記タンクの開口部内に配置され、印加される印加電圧又は印加電流に応じた駆動力を前記復帰用ばねの付勢に抗するように前記弁体に与えて前記弁体を前記開位置の方に移動させる弁体駆動手段と、
前記ハウジング内に形成され、前記二次ポートに繋がる圧力帰還室と、
前記弁体と前記ハウジングとの間隙に介在し、前記弁体を摺動支持する軸受部材と、
前記軸受部材の両側に夫々設けられ、前記間隙の両側を夫々封止する第1及び第2シール部材と、
前記弁体の基端から該弁体内に相対移動可能に挿入されて、前記弁体との間に前記一次ポートに繋がる背圧力室を形成するシールロッドと、を備え、
前記第1シール部材は、前記圧力帰還室の圧力を前記駆動力に抗する方向に受圧し、受圧する前記圧力に応じて前記弁体を前記閉位置の方に移動させるようになっており、
前記シールロッドと前記弁体との間には、前記背圧力室より前記弁体の基端側に前記二次ポートに繋がる連絡通路が形成され、
前記連絡通路と前記背圧力室との間には、その間を封止するように第3シール部材が設けられている、ガス用調圧弁。 - 前記弁体は、前記一次ポートにおける一次圧を前記開位置の方に受圧する第1受圧面と前記背圧力室の圧力を前記閉位置の方に受圧する第2受圧面とを有し、
前記第1受圧面の受圧面積は、前記第2受圧面の受圧面積と同一である、請求項1に記載のガス用調圧弁。 - 前記弁体は、前記一次ポートにおける一次圧を前記開位置の方に受圧する第1受圧面と前記背圧力室の圧力を前記閉位置の方に受圧する第2受圧面とを有し、
前記第1受圧面の受圧面積は、前記第2受圧面の受圧面積より小さい、請求項1に記載のガス用調圧弁。 - 前記弁体駆動手段に印加される印加電圧又は印加電流がゼロのときは、前記復帰用ばねにより前記弁体を前記閉位置にするノーマルクローズ形になっている、請求項1乃至3の何れか1つに記載のガス用調圧弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012527604A JP5406993B2 (ja) | 2010-08-06 | 2011-08-04 | ガス用調圧弁 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010177869 | 2010-08-06 | ||
JP2010177869 | 2010-08-06 | ||
PCT/JP2011/004439 WO2012017668A1 (ja) | 2010-08-06 | 2011-08-04 | ガス用調圧弁 |
JP2012527604A JP5406993B2 (ja) | 2010-08-06 | 2011-08-04 | ガス用調圧弁 |
Publications (2)
Publication Number | Publication Date |
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JPWO2012017668A1 JPWO2012017668A1 (ja) | 2013-10-03 |
JP5406993B2 true JP5406993B2 (ja) | 2014-02-05 |
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Application Number | Title | Priority Date | Filing Date |
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JP2012527604A Expired - Fee Related JP5406993B2 (ja) | 2010-08-06 | 2011-08-04 | ガス用調圧弁 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20130186487A1 (ja) |
EP (1) | EP2602526A1 (ja) |
JP (1) | JP5406993B2 (ja) |
KR (1) | KR20130052618A (ja) |
CN (1) | CN103003606A (ja) |
CA (1) | CA2806513A1 (ja) |
WO (1) | WO2012017668A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5785835B2 (ja) * | 2011-09-16 | 2015-09-30 | 川崎重工業株式会社 | 燃料タンク用バルブ |
JP5438745B2 (ja) * | 2011-11-28 | 2014-03-12 | 本田技研工業株式会社 | 流体供給システム |
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IT201800009743A1 (it) * | 2018-10-24 | 2020-04-24 | Landi Renzo Spa | Dispositivo di regolazione della pressione di un combustibile gassoso e sistema di alimentazione a doppio combustibile con iniezione diretta |
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- 2011-08-04 KR KR1020137004770A patent/KR20130052618A/ko not_active Application Discontinuation
- 2011-08-04 EP EP11814303.1A patent/EP2602526A1/en not_active Withdrawn
- 2011-08-04 CA CA2806513A patent/CA2806513A1/en not_active Abandoned
- 2011-08-04 CN CN2011800372494A patent/CN103003606A/zh active Pending
- 2011-08-04 WO PCT/JP2011/004439 patent/WO2012017668A1/ja active Application Filing
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CA2806513A1 (en) | 2012-02-09 |
EP2602526A1 (en) | 2013-06-12 |
WO2012017668A1 (ja) | 2012-02-09 |
US20130186487A1 (en) | 2013-07-25 |
KR20130052618A (ko) | 2013-05-22 |
JPWO2012017668A1 (ja) | 2013-10-03 |
CN103003606A (zh) | 2013-03-27 |
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