JP7340038B2 - 弁装置 - Google Patents
弁装置 Download PDFInfo
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- JP7340038B2 JP7340038B2 JP2021567373A JP2021567373A JP7340038B2 JP 7340038 B2 JP7340038 B2 JP 7340038B2 JP 2021567373 A JP2021567373 A JP 2021567373A JP 2021567373 A JP2021567373 A JP 2021567373A JP 7340038 B2 JP7340038 B2 JP 7340038B2
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- regulating valve
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- 230000001105 regulatory effect Effects 0.000 claims description 127
- 239000002828 fuel tank Substances 0.000 claims description 57
- 230000002093 peripheral effect Effects 0.000 claims description 42
- 239000000446 fuel Substances 0.000 claims description 34
- 238000005192 partition Methods 0.000 claims description 32
- 238000009423 ventilation Methods 0.000 claims description 30
- 239000012530 fluid Substances 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 20
- 230000004308 accommodation Effects 0.000 description 17
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000220317 Rosa Species 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03519—Valve arrangements in the vent line
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
-
- 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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/12—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side weight-loaded
-
- 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
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
-
- 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
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
- F16K24/042—Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float
- F16K24/044—Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float the float being rigidly connected to the valve element, the assembly of float and valve element following a substantially translational movement when actuated, e.g. also for actuating a pilot valve
-
- 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
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
-
- 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
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
- F16K31/22—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with the float rigidly connected to the valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03256—Fuel tanks characterised by special valves, the mounting thereof
- B60K2015/03289—Float valves; Floats therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03256—Fuel tanks characterised by special valves, the mounting thereof
- B60K2015/03296—Pressure regulating valves
-
- 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
- G05D16/12—Control of fluid pressure without auxiliary power the sensing element being a float
-
- 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
- Y10T137/0753—Control by change of position or inertia of system
- Y10T137/0874—Vent opening or closing on tipping container
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Control Of Fluid Pressure (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Safety Valves (AREA)
Description
図1~8に示す弁装置と同様のハウジングや収容部、開口を備えた、実施例の弁装置を製造した。また、圧力調整弁が第1弁座に当接した状態で、圧力調整弁の表面は、縮径部の上端の位置と一致している。なお、その流路面積(圧力調整弁外周と拡径部内周との隙間の、周方向全周における面積)を「a」とする。
図14(a)に示すように、収容部内周に縮径部を設けないこと以外は、実施例と同様の比較例1の弁装置を製造した。収容部の内周は円形状をなしており、その下端から上端に至るまで一定径で形成されている。また、その流路面積(圧力調整弁外周と収容部内周との隙間の、周方向全周における面積)を「b」とすると、a<bであった。
図15(a)に示すように、収容部内周に縮径部及び拡径部を有するものの、圧力調整弁が第1弁座に当接した状態で、圧力調整弁の表面が、縮径部の上端よりも高く構成した、比較例2の弁装置を製造した。
図16(a)に示すように、収容部内周に縮径部及び拡径部を有し、圧力調整弁が第1弁座に当接した状態で、圧力調整弁の表面が、縮径部の上端よりも低いものの、圧力調整弁が最大限上昇したときには、圧力調整面の下面が、縮径部の上端よりも下方に位置する、比較例3の弁装置を製造した。また、その流路面積(圧力調整弁外周と拡径部内周との隙間の、周方向全周における面積)を「c」とすると、a<cであった。
上記の実施例及び比較例1~3の弁装置を、燃料タンク内にセットして、図示しないエアー供給管から、エアーを所定流量で燃料タンク内に、一定圧力以上になるまで吹き込んだ。その際の、実施例及び比較例1~3の弁装置内の、圧力調整弁の挙動、すなわち、エアーを吹き込んで圧力調整弁が上昇する際のタンク内圧の変動を、それぞれ測定した。
10,10A 弁装置
15 ハウジング
20 ハウジング本体
23 隔壁
25 弁孔
26 第1弁座
27 第2弁座
30,30A 収容部
35 縮径部
36 上端
37 拡径部
39 段部
60 カバー
70 キャップ
80 フロート弁
90 圧力調整弁(調整弁)
91 裏面
92 表面
95 付勢バネ
97 シールリング
R 通気室
R1 収容空間(内部空間)
R2 外側空間
R4 貯留空間
V 弁室
Claims (3)
- 隔壁を介して、下方に燃料タンク内に連通する弁室、上方に燃料タンク外に連通する通気室が設けられ、前記隔壁に前記弁室及び前記通気室を連通する弁孔が形成された、ハウジングと、
前記弁室内に昇降可能に収容され、前記弁孔を開閉するフロート弁と、
前記通気室内に昇降可能に収容される圧力調整用の圧力調整弁とを有しており、
前記弁孔の、前記通気室側の周縁から、前記圧力調整弁が接離する第1弁座が形成されて、前記弁孔の、前記弁室側の周縁から、前記フロート弁が接離する第2弁座が形成されており、
前記隔壁の、前記通気室側の面からは、前記圧力調整弁を囲んで収容する収容部が突設されており、該収容部の内部空間は前記弁孔と連通しており、
前記収容部の内周には、前記隔壁側に位置し、前記圧力調整弁の外周に適合する形状とされた縮径部と、該縮径部の上方に位置し、前記圧力調整弁の外周よりも拡径した形状とされた拡径部とが設けられており、
前記縮径部の上端の、前記隔壁の通気室側の面からの高さは、前記圧力調整弁が前記第1弁座に当接した状態で、前記圧力調整弁の表面に一致するか、又は、それ以上となっており、
前記圧力調整弁は、燃料タンク内の圧力上昇により最大限上昇したときに、前記縮径部の上端を超えるように構成されており、前記拡径部の内周には、前記圧力調整弁の昇降動作をガイドするリブが設けられていることを特徴とする弁装置。 - 隔壁を介して、下方に燃料タンク内に連通する弁室、上方に燃料タンク外に連通する通気室が設けられ、前記隔壁に前記弁室及び前記通気室を連通する弁孔が形成された、ハウジングと、
前記弁室内に昇降可能に収容され、前記弁孔を開閉するフロート弁と、
前記通気室内に昇降可能に収容される圧力調整用の圧力調整弁とを有しており、
前記弁孔の、前記通気室側の周縁から、前記圧力調整弁が接離する第1弁座が形成されて、前記弁孔の、前記弁室側の周縁から、前記フロート弁が接離する第2弁座が形成されており、
前記隔壁の、前記通気室側の面からは、前記圧力調整弁を囲んで収容する収容部が突設されており、該収容部の内部空間は前記弁孔と連通しており、
前記収容部の内周には、前記隔壁側に位置し、前記圧力調整弁の外周に適合する形状とされた縮径部と、該縮径部の上方に位置し、前記圧力調整弁の外周よりも拡径した形状とされた拡径部とが設けられており、
前記縮径部の上端の、前記隔壁の通気室側の面からの高さは、前記圧力調整弁が前記第1弁座に当接した状態で、前記圧力調整弁の表面に一致するか、又は、それ以上となっており、
前記圧力調整弁は、燃料タンク内の圧力上昇により最大限上昇したときに、前記縮径部の上端を超えるように構成されており、
前記拡径部は、前記縮径部の上端から段部を介して設けられており、
前記拡径部には、前記段部から前記拡径部の軸方向に延び、かつ、前記拡径部の周方向に所定間隔で配置された複数のリブが設けられており、
各リブの径方向内端は、前記収容部を軸方向に見たときに、前記縮径部の内周面と同一位置となるように形成されていることを特徴とする弁装置。 - 前記収容部の外周と、前記ハウジングの内周との間には、前記通気室内に流入した燃料を貯留する貯留空間が形成されており、
前記収容部の上端は、前記ハウジングに設けられた、燃料タンク外に連通する燃料蒸気排出口よりも下方に位置するように形成されている請求項1又は2記載の弁装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019232768 | 2019-12-24 | ||
JP2019232768 | 2019-12-24 | ||
PCT/JP2020/047251 WO2021132035A1 (ja) | 2019-12-24 | 2020-12-17 | 弁装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021132035A1 JPWO2021132035A1 (ja) | 2021-07-01 |
JP7340038B2 true JP7340038B2 (ja) | 2023-09-06 |
Family
ID=76574436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021567373A Active JP7340038B2 (ja) | 2019-12-24 | 2020-12-17 | 弁装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11932101B2 (ja) |
JP (1) | JP7340038B2 (ja) |
CN (1) | CN114845898A (ja) |
GB (1) | GB2608013B (ja) |
WO (1) | WO2021132035A1 (ja) |
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JP2005133875A (ja) | 2003-10-31 | 2005-05-26 | Piolax Inc | チェックバルブ一体型カットバルブ |
JP2010105469A (ja) | 2008-10-29 | 2010-05-13 | Toyoda Gosei Co Ltd | 燃料遮断弁 |
JP2015215014A (ja) | 2014-05-09 | 2015-12-03 | 株式会社ニフコ | 弁装置 |
WO2016031726A1 (ja) | 2014-08-25 | 2016-03-03 | 株式会社パイオラックス | 弁ケースの取付構造 |
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- 2020-12-17 CN CN202080087546.9A patent/CN114845898A/zh active Pending
- 2020-12-17 GB GB2208859.5A patent/GB2608013B/en active Active
- 2020-12-17 JP JP2021567373A patent/JP7340038B2/ja active Active
- 2020-12-17 US US17/785,227 patent/US11932101B2/en active Active
- 2020-12-17 WO PCT/JP2020/047251 patent/WO2021132035A1/ja active Application Filing
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CN114845898A (zh) | 2022-08-02 |
GB2608013A (en) | 2022-12-21 |
JPWO2021132035A1 (ja) | 2021-07-01 |
WO2021132035A1 (ja) | 2021-07-01 |
GB202208859D0 (en) | 2022-08-10 |
US11932101B2 (en) | 2024-03-19 |
US20230027839A1 (en) | 2023-01-26 |
GB2608013B (en) | 2023-12-13 |
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