JP7148381B2 - 流量制御弁および蒸発燃料処理装置 - Google Patents
流量制御弁および蒸発燃料処理装置 Download PDFInfo
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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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0446—Means for feeding or distributing gases
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0854—Details of the absorption canister
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- F02M25/0872—Details of the fuel vapour pipes or conduits
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- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/089—Layout of the fuel vapour installation
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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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
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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
- 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
- F16K1/02—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 with screw-spindle
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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
- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- 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
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
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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
- 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
- F16K1/32—Details
- F16K1/50—Preventing rotation of valve members
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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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4516—Gas separation or purification devices adapted for specific applications for fuel vapour recovery systems
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- 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
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- 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
- B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
- B60K2015/0348—Arrangements or special measures related to fuel tanks or fuel handling for returning the fuel from the motor
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- 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
- B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
- B60K2015/03514—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems with vapor recovery means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/40—Actuators for moving a controlled member
- B60Y2400/41—Mechanical transmissions for actuators
- B60Y2400/412—Screw-nut mechanisms
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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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M2025/0845—Electromagnetic valves
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- Engineering & Computer Science (AREA)
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- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Description
〈第1実施形態〉
[構成]
第1実施形態の構成について、図1~図3を参照しつつ説明する。図1に示すように、蒸発燃料処理装置101は、流量制御弁1、燃料タンク11、キャニスタ12、パージ弁13、及びECU14などを備えている。
次に、上記流量制御弁1の組み付け手順について説明する。モータ23とバルブ部材22とを組み付ける際には、図5に示すように、モータ23と離間した状態にあるバルブ部材22を、組付機等によりモータ23に徐々に接近させていく。このとき、モータシャフト24とバルブ部材22のシャフト挿入孔とは、概ね軸方向に対応した位置にある。
第1実施形態では、シャフト挿入大径孔34の内周は、雄ねじ部38とねじ結合不能にモータシャフト24を収容する逃がし部として形成されている。そして、L1<L2の関係が成立することから、組み付け時には、まず回り止め機構が係合した後に送りねじ機構が結合する。
次に、第2実施形態の流量制御弁10について、図8~図10を参照して説明する。なお、第1実施形態と実質同様の構成については同じ符号を付し、説明を省略する。図8に示すように、第2実施形態のバルブ部材51の筒状部52の中心には、シャフト挿入孔53が、モータ23側から底壁部31まで形成されている。シャフト挿入孔53の内周には、雌ねじ部37が形成されている。雌ねじ部37は、「バルブ側ねじ部」に相当する。第1実施形態の流量制御弁1において「逃がし部」に相当するシャフト挿入大径孔34は、第2実施形態の流量制御弁10においては形成されていない。
上記各実施形態において、回り止め機構を構成する係合凸部45と係合凹部43とを、中心軸Cを対称に2つ設けたが、軸対称の位置でなくても良いし、その数も、1つもしくは3つ以上の複数でも良い。また、係合凸部45と係合凹部43の軸方向断面形状は、矩形状でなくても良い。バルブ部材22の軸回りの回転が規制できるように、周方向に係合可能であれば良く、その他種々の形態が可能である。
22 ・・・バルブ部材
23 ・・・モータ(駆動部)
24 ・・・モータシャフト(動力伝達軸)
28 ・・・弁座
37 ・・・雌ねじ部(バルブ側ねじ部)
38 ・・・雄ねじ部(駆動部側ねじ部)
43 ・・・係合凹部(駆動部側回り止め部)
45 ・・・係合凸部(バルブ側回り止め部)
Claims (5)
- 燃料タンク(11)と、前記燃料タンク内で発生した蒸発燃料を吸着するキャニスタ(12)とを備える蒸発燃料処理装置(101)において、前記キャニスタと前記燃料タンクとをつなぐべーパ通路(16)に設けられる流量制御弁であって、
燃料タンク側流路(26)からキャニスタ側流路(27)へと蒸発燃料が流れる流路を有するハウジング(21)と、
前記キャニスタ側流路へ蒸発燃料が通過しないように前記燃料タンク側流路と前記キャニスタ側流路とを遮断する、または前記キャニスタ側流路へ蒸発燃料が通過するように前記燃料タンク側流路と前記キャニスタ側流路とを連通させるために、前記ハウジングの弁座(28)に当接または離間可能に設けられるバルブ部材(22,51)と、
前記バルブ部材が前記弁座に当接または離間可能に往復移動するように駆動する駆動部(23)と、
前記駆動部と前記バルブ部材とを動力伝達可能に連結する動力伝達軸(24,54)に設けられ、送りねじ機構を構成する駆動部側ねじ部(38)と、
前記バルブ部材に設けられ前記駆動部側ねじ部にねじ結合し、前記駆動部側ねじ部と共に前記送りねじ機構を構成するバルブ側ねじ部(37)と、
前記駆動部に設けられ、前記バルブ部材の軸回りの回転を規制する回り止め機構を構成する駆動部側回り止め部(43)と、
前記駆動部側回り止め部に係合し、前記駆動部側回り止め部と共に前記回り止め機構を構成するバルブ側回り止め部(45)と、
を備え、
前記バルブ部材が前記弁座に当接するように移動する方向を正方向とした場合、前記駆動部側回り止め部における前記弁座側の端部(M1)を始点とし前記駆動部側ねじ部における前記弁座側の結合端部(M2)までの軸方向距離に正負を付した値をL1とし、前記バルブ側回り止め部における前記駆動部側の端部(V1)を始点とし前記バルブ側ねじ部における前記駆動部側の結合端部(V2)までの軸方向距離に正負を付した値をL2とすると、L1<L2の関係が成立する流量制御弁。 - 前記バルブ部材は、閉弁時に前記弁座に当接するシール部(33)を有する底壁部(31)と、前記底壁部から前記駆動部側に延びて形成される筒状部(32)を有し、
前記バルブ側回り止め部は、前記筒状部の前記駆動部側の開口端部(44)に形成され、
前記バルブ側ねじ部は、前記筒状部の内周に形成され、
前記筒状部の内周であって、前記開口端部と前記バルブ側ねじ部との間には、前記駆動部側ねじ部とねじ結合不能に前記動力伝達軸(24)を収容する逃がし部(34)が形成されている請求項1に記載の流量制御弁。 - 前記駆動部側回り止め部または前記バルブ側回り止め部のうちいずれか一方は、前記バルブ部材の往復動方向に直交する径方向において外側に張り出した係合凸部(45)であり、他方は、前記係合凸部と係合可能であり前記径方向において内側へ凹となる係合凹部(43)である請求項2に記載の流量制御弁。
- 前記駆動部側ねじ部における前記弁座側の前記結合端部の位置は、前記駆動部側回り止め部における前記弁座側の前記端部よりも、軸方向において負側の位置にある請求項1~請求項3のうちいずれか一項に記載の流量制御弁。
- 前記燃料タンク(11)と、
前記燃料タンク内で発生した蒸発燃料を吸着する前記キャニスタ(12)と、
請求項1~請求項4のうちいずれか一項に記載の前記流量制御弁(1,10)と、
を備える蒸発燃料処理装置。
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Application Number | Priority Date | Filing Date | Title |
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JP2018231056A JP7148381B2 (ja) | 2018-12-10 | 2018-12-10 | 流量制御弁および蒸発燃料処理装置 |
CN201911239899.1A CN111288173A (zh) | 2018-12-10 | 2019-12-06 | 流动控制阀以及燃料蒸气处理装置 |
US16/705,461 US20200182199A1 (en) | 2018-12-10 | 2019-12-06 | Flow control valve and fuel vapor treating device |
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JP2018231056A JP7148381B2 (ja) | 2018-12-10 | 2018-12-10 | 流量制御弁および蒸発燃料処理装置 |
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JP2020094504A JP2020094504A (ja) | 2020-06-18 |
JP7148381B2 true JP7148381B2 (ja) | 2022-10-05 |
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JP6604278B2 (ja) * | 2015-08-27 | 2019-11-13 | 株式会社Soken | 電動式流量制御弁 |
JP6619324B2 (ja) * | 2016-12-21 | 2019-12-11 | トヨタ自動車株式会社 | 蒸発燃料処理装置 |
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