JP4321621B2 - 負圧発生装置の制御装置 - Google Patents
負圧発生装置の制御装置 Download PDFInfo
- Publication number
- JP4321621B2 JP4321621B2 JP2007117638A JP2007117638A JP4321621B2 JP 4321621 B2 JP4321621 B2 JP 4321621B2 JP 2007117638 A JP2007117638 A JP 2007117638A JP 2007117638 A JP2007117638 A JP 2007117638A JP 4321621 B2 JP4321621 B2 JP 4321621B2
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- ejector
- intake
- vehicle
- opening
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/48—Control
- F04F5/52—Control of evacuating pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/02—Arrangements of pumps or compressors, or control devices therefor
-
- 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
- F02M35/10229—Fluid connections to the air intake system; their arrangement of pipes, valves or the like the intake system acting as a vacuum or overpressure source for auxiliary devices, e.g. brake systems; Vacuum chambers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
前記吸気通路から取り出そうとする負圧が負の値で所定値よりも大きく、且つ前記吸気通路に配設されたスロットル弁が所定開度よりも閉じられているときに、前記状態変更手段が前記エゼクタを機能させる制御において、前記車両が吸気管負圧の変化がスロットル開度の変化に対して応答遅れを有している過渡的な減速状態にあるときに、前記状態変更手段が前記エゼクタを機能させるように制御されることを禁止する特定禁止制御手段を備え、
前記所定開度が、アイドル時に前記スロットル弁が開かれる開度を閉じ側に含み、且つ当該開度に近い値であるとともに、アイドル時に前記エゼクタを機能させるために用いられる値であることを特徴とする。
10 吸気系
13 電動スロットル
14 エキゾーストマニホールド
20 ブレーキ装置
22 ブレーキブースタ
30 エゼクタ
40 ECU
50 内燃機関
71 車速センサ
72 水温センサ
73 クランク角センサ
100 負圧発生装置
Claims (1)
- 車両が備える内燃機関の吸気系の吸気通路から取り出そうとする負圧よりも大きな負圧を発生させるエゼクタと、該エゼクタを機能、或いは機能停止させる状態変更手段とを有して構成される負圧発生装置を制御するための負圧発生装置の制御装置であって、
前記吸気通路から取り出そうとする負圧が負の値で所定値よりも大きく、且つ前記吸気通路に配設されたスロットル弁が所定開度よりも閉じられているときに、前記状態変更手段が前記エゼクタを機能させる制御において、前記車両が吸気管負圧の変化がスロットル開度の変化に対して応答遅れを有している過渡的な減速状態にあるときに、前記状態変更手段が前記エゼクタを機能させるように制御されることを禁止する特定禁止制御手段を備え、
前記所定開度が、アイドル時に前記スロットル弁が開かれる開度を閉じ側に含み、且つ当該開度に近い値であるとともに、アイドル時に前記エゼクタを機能させるために用いられる値である負圧発生装置の制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007117638A JP4321621B2 (ja) | 2007-04-26 | 2007-04-26 | 負圧発生装置の制御装置 |
US12/149,083 US7848870B2 (en) | 2007-04-26 | 2008-04-25 | Control apparatus and control method for negative pressure generating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007117638A JP4321621B2 (ja) | 2007-04-26 | 2007-04-26 | 負圧発生装置の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008274809A JP2008274809A (ja) | 2008-11-13 |
JP4321621B2 true JP4321621B2 (ja) | 2009-08-26 |
Family
ID=39887196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007117638A Expired - Fee Related JP4321621B2 (ja) | 2007-04-26 | 2007-04-26 | 負圧発生装置の制御装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7848870B2 (ja) |
JP (1) | JP4321621B2 (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8925520B2 (en) * | 2010-03-10 | 2015-01-06 | Ford Global Technologies, Llc | Intake system including vacuum aspirator |
US8343011B2 (en) * | 2010-08-24 | 2013-01-01 | Ford Global Technologies, Llc | Method and system for controlling engine air |
US8857165B2 (en) | 2011-03-17 | 2014-10-14 | Ford Global Technologies, Llc | Method and system for prioritizing vehicle vacuum |
US9010115B2 (en) | 2011-03-17 | 2015-04-21 | Ford Global Technologies, Llc | Method and system for providing vacuum via excess boost |
US8683800B2 (en) * | 2011-03-17 | 2014-04-01 | Ford Global Technologies, Llc | Method and system for providing vacuum |
US8960153B2 (en) | 2011-05-10 | 2015-02-24 | Ford Global Technologies, Llc | Method and system for controlling engine vacuum production |
US8353266B2 (en) | 2011-11-02 | 2013-01-15 | Ford Global Technologies, Llc | Engine throttle control with brake booster |
US9022007B2 (en) * | 2012-03-09 | 2015-05-05 | Ford Global Technologies, Llc | Throttle valve system for an engine |
US8843296B2 (en) | 2012-03-21 | 2014-09-23 | Ford Global Technologies, Llc | Method and system for engine air control |
US9239034B2 (en) * | 2012-09-12 | 2016-01-19 | Ford Global Technologies, Llc | Ejector system for a vehicle |
US9108607B2 (en) | 2012-11-07 | 2015-08-18 | Ford Global Technologies, Llc | Method and system for vacuum generation |
US9074523B2 (en) | 2012-11-16 | 2015-07-07 | Ford Global Technologies, Llc | Vacuum-actuated wastegate |
US9175783B2 (en) | 2012-11-16 | 2015-11-03 | Ford Global Technologies, Llc | Vacuum-actuated wastegate |
US9322289B2 (en) | 2012-11-16 | 2016-04-26 | Ford Global Technologies, Llc | Vacuum-actuated wastegate |
US9435300B2 (en) * | 2012-12-13 | 2016-09-06 | Ford Global Technologies, Llc | Method and system for vacuum generation |
US9441557B2 (en) * | 2012-12-13 | 2016-09-13 | Ford Global Technologies, Llc | Method and system for vacuum generation |
US9382825B2 (en) * | 2013-04-25 | 2016-07-05 | Ford Global Technologies, Llc | System and method for gas purge control |
US9145824B2 (en) * | 2013-06-13 | 2015-09-29 | Dayco Ip Holdings, Llc | Pneumatic compressor recirculation valve system for minimizing surge under boost during throttle closing |
US10166961B2 (en) * | 2013-12-05 | 2019-01-01 | Ford Global Technologies, Llc | Vacuum scavenging in hybrid vehicles |
US9835115B2 (en) * | 2015-01-09 | 2017-12-05 | Ford Global Technologies, Llc | Common shut-off valve for actuator vacuum at low engine power and fuel vapor purge vacuum at boost |
US9714614B2 (en) * | 2015-02-02 | 2017-07-25 | Ford Global Technologies, Llc | Method of controlling aspirator motive flow |
US9371074B1 (en) | 2015-02-02 | 2016-06-21 | Ford Global Technologies, Llc | Method of controlling aspirator motive flow |
US10288021B2 (en) | 2015-02-02 | 2019-05-14 | Ford Global Technologies, Llc | Method of controlling aspirator motive flow |
US10287941B2 (en) * | 2016-08-30 | 2019-05-14 | Ford Global Technologies, Llc | Engine exhaust system control |
EP3339621B1 (en) * | 2016-12-22 | 2020-04-01 | Ningbo Geely Automobile Research & Development Co. Ltd. | Purge ejector assembly for an engine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004243837A (ja) | 2003-02-12 | 2004-09-02 | Toyota Motor Corp | ブレーキブースタ用負圧供給装置 |
JP2004285838A (ja) | 2003-03-19 | 2004-10-14 | Advics:Kk | 負圧発生装置 |
JP2005201196A (ja) | 2004-01-19 | 2005-07-28 | Toyota Motor Corp | 車両用負圧供給装置 |
JP2005297654A (ja) | 2004-04-08 | 2005-10-27 | Toyota Motor Corp | 気圧式倍力装置 |
JP2007218124A (ja) * | 2006-02-14 | 2007-08-30 | Toyota Motor Corp | 車両用エゼクタシステム及び制御装置 |
JP4187000B2 (ja) * | 2006-04-07 | 2008-11-26 | トヨタ自動車株式会社 | 車両用エゼクタシステム及び制御装置 |
WO2007129209A1 (en) * | 2006-05-10 | 2007-11-15 | Toyota Jidosha Kabushiki Kaisha | Ejector system for vehicle |
JP2008273274A (ja) * | 2007-04-25 | 2008-11-13 | Toyota Motor Corp | 負圧発生装置の制御装置 |
-
2007
- 2007-04-26 JP JP2007117638A patent/JP4321621B2/ja not_active Expired - Fee Related
-
2008
- 2008-04-25 US US12/149,083 patent/US7848870B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7848870B2 (en) | 2010-12-07 |
US20080267789A1 (en) | 2008-10-30 |
JP2008274809A (ja) | 2008-11-13 |
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