EP2017437A1 - Regler für Ventilsteuerzeit - Google Patents
Regler für Ventilsteuerzeit Download PDFInfo
- Publication number
- EP2017437A1 EP2017437A1 EP08160496A EP08160496A EP2017437A1 EP 2017437 A1 EP2017437 A1 EP 2017437A1 EP 08160496 A EP08160496 A EP 08160496A EP 08160496 A EP08160496 A EP 08160496A EP 2017437 A1 EP2017437 A1 EP 2017437A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- retarding
- advancing
- supply
- chamber
- valve timing
- 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.)
- Withdrawn
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
- F01L2001/34483—Phaser return springs
Definitions
- a previously known valve timing adjuster includes a housing and a vane rotor.
- the housing serves as a first rotatable body and is rotated together with a drive shaft
- the vane rotor serves as a second rotatable body and is rotated together with a driven shaft.
- advancing chambers and retarding chambers are arranged one after another in the rotational direction.
- Each of the advancing chambers and the retarding chambers is formed between a corresponding one of shoes of the housing and a corresponding one of vanes of the vane rotor.
- Working fluid is supplied to the advancing chambers or the retarding chambers to drive the driven shaft relative to the drive shaft in an advancing direction or a retarding direction to adjust the valve timing.
- the phase of the driven shaft (hereinafter, referred to as an engine phase) relative to the drive shaft is set when the torques applied to the driven shaft are balanced.
- these torques also include a rotational torque, which is generated by supply of the fluid to the advancing chambers and the retarding chambers, and an urging torque, which is generated in a case where a spring is provided to urge the driven shaft.
- the engine phase can be limited within a target phase range to substantially hold the valve timing.
- an average value (average torque) of the variable torque is balanced with the other torque (e.g., the urging torque) or becomes substantially zero (for example, in a case where a bearing friction of the driven shaft is substantially zero)
- the supply of the fluid to both of the advancing chambers and the retarding chambers from the solenoid spool valve may be stopped to make the rotational torque applied to the driven shaft to zero.
- the control circuit 36 controls the drive current supplied to the switch control valve 31 to a value larger than the reference value Ib.
- the retarding passage 74 is communicated with the pump passage 75, and the advancing passage 73 is communicated with the drain passage 77.
- the oil which is discharged from the oil pump 4 is supplied to the respective retarding chambers 55-58 through the pump passage 75 and the retarding passages 74, 72, 65-68.
- the average variable torque Tca may possibly be balanced with the urging torque Ts of the assist spring 22, as indicated with a shaded circle in FIG. 8 . Therefore, in such a case, even when the drive current supplied to the switch control valve 31 is adjusted, this adjustment is made within the range lower than the reference value Ib. Thereby, the supply of the oil to the respective advancing chambers 51, 54 is maintained. As a result, the actual phase Pr reaches an advancing end of the target phase range ⁇ Pt, which is opposite from a bias of the average variable torque Tc.
- the supply of the oil to the respective advancing chambers 51-54 may be intermittently performed in the advancing supply period. In other words, it is not necessary to maintain the supply of the oil to the respective advancing chambers 51-54 throughout each advancing supply period, and the supply of the oil to the respective advancing chambers 51-54 may be stopped before the end of the advancing supply period, if desired.
- the supply of the oil to the retarding chambers 55-58 may be intermittently performed in the retarding supply period.
- the alternately repeating supply operation when the actual phase Pr reaches the advancing end of the target phase range ⁇ Pt during the normal holding operation, the alternately repeating supply operation, which is similar to that of the first embodiment, may be started immediately from the beginning of the retarding supply period. Furthermore, in the second embodiment, when the actual phase Pr reaches the advancing end of the target phase range ⁇ Pt during the normal holding operation, and the pressure of the oil becomes equal to or less than the preset value S, the alternately repeating supply operation, which is similar to that of the first embodiment, may be started immediately from the beginning of the retarding supply period.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007188730A JP2009024600A (ja) | 2007-07-19 | 2007-07-19 | バルブタイミング調整装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2017437A1 true EP2017437A1 (de) | 2009-01-21 |
Family
ID=39989861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08160496A Withdrawn EP2017437A1 (de) | 2007-07-19 | 2008-07-16 | Regler für Ventilsteuerzeit |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090020085A1 (de) |
EP (1) | EP2017437A1 (de) |
JP (1) | JP2009024600A (de) |
KR (1) | KR20090009140A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100258069A1 (en) * | 2009-04-09 | 2010-10-14 | Denso Corporation | Valve timing control apparatus |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009162087A (ja) * | 2007-12-28 | 2009-07-23 | Mazda Motor Corp | エンジンの可変バルブタイミング装置 |
JP5251685B2 (ja) * | 2009-04-01 | 2013-07-31 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP4993041B2 (ja) * | 2010-02-10 | 2012-08-08 | トヨタ自動車株式会社 | 内燃機関の始動制御装置 |
BRPI1010626B1 (pt) * | 2010-11-08 | 2020-09-15 | Toyota Jidosha Kabushiki Kaisha | Dispositivo de controle para mecanismo de regulagem de válvula variável hidráulico |
US9341088B2 (en) * | 2011-03-29 | 2016-05-17 | GM Global Technology Operations LLC | Camshaft phaser control systems and methods |
CN102822477B (zh) | 2011-04-07 | 2016-02-10 | 丰田自动车株式会社 | 可变气门正时装置 |
CN104271900B (zh) * | 2012-05-01 | 2018-11-09 | 帝斯曼知识产权资产管理有限公司 | 用于可变气门正时***的转子和包括该转子的vvt*** |
JP6091115B2 (ja) * | 2012-09-07 | 2017-03-08 | 日立オートモティブシステムズ株式会社 | 内燃機関のバルブタイミング制御装置及びその製造方法 |
DE102013222826A1 (de) * | 2013-11-11 | 2015-05-13 | Schaeffler Technologies AG & Co. KG | Nockenwellenversteller |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19844473A1 (de) * | 1997-09-29 | 1999-04-08 | Aisin Seiki | Vorrichtung zur Steuerung von Ventilsteuerzeiten |
US6332438B1 (en) * | 1999-10-07 | 2001-12-25 | Unisia Jecs Corporation | Vane-type variable valve timing control apparatus and control method |
US20020100445A1 (en) * | 2001-01-31 | 2002-08-01 | Akihiko Takenaka | Valve timing adjusting system of internal combustion engine |
US20020152977A1 (en) * | 2001-03-22 | 2002-10-24 | Katsuhiko Eguchi | Valve timing control device |
EP1365112A2 (de) * | 2002-05-21 | 2003-11-26 | Delphi Technologies, Inc. | Nockenwellenversteller mit einer externen Rückstellfeder |
DE10339669A1 (de) * | 2002-08-28 | 2004-04-22 | Aisin Seiki K.K., Kariya | Ventilzeitabstimmungssteuerungsvorrichtung |
US20050028773A1 (en) * | 2003-08-08 | 2005-02-10 | Hitachi Unisia Automotive, Ltd. | Variable valve actuation apparatus for internal combustion engine |
EP1533483A1 (de) * | 2003-11-19 | 2005-05-25 | Toyota Jidosha Kabushiki Kaisha | Kontroleinheit zur Steuerung eines Nockenwellenverstellers für Brennkraftmaschine |
DE10351223A1 (de) * | 2003-10-28 | 2005-06-09 | Hydraulik-Ring Gmbh | Nockenwellenverstelleinrichtung für Fahrzeuge, vorzugsweise für Kraftfahrzeuge |
EP1589197A2 (de) * | 2004-04-23 | 2005-10-26 | Bayerische Motoren Werke Aktiengesellschaft | Hydraulische Einrichtung zur stufenlos variablen Nockenwellenverstellung |
US20050252468A1 (en) * | 2004-05-13 | 2005-11-17 | Denso Corporation | Valve timing control device having vane rotor |
JP2006063835A (ja) | 2004-08-25 | 2006-03-09 | Denso Corp | バルブタイミング調整装置 |
US20060060161A1 (en) * | 2004-09-17 | 2006-03-23 | Hitachi, Ltd. | Valve timing control apparatus for internal combustion engine |
US7063058B1 (en) * | 2005-04-29 | 2006-06-20 | Delphi Technologies, Inc. | Camshaft phaser bias spring mechanism |
EP1703087A1 (de) * | 2003-12-22 | 2006-09-20 | Aisin Seiki Kabushiki Kaisha | VENTILÖFFNUNGS-/-SCHLIEßZEITSTEUERVORRICHTUNG |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7004128B2 (en) * | 2001-06-15 | 2006-02-28 | Denso Corporation | Control apparatus for device having dead band, and variable valve system |
-
2007
- 2007-07-19 JP JP2007188730A patent/JP2009024600A/ja active Pending
-
2008
- 2008-07-10 US US12/170,777 patent/US20090020085A1/en not_active Abandoned
- 2008-07-16 EP EP08160496A patent/EP2017437A1/de not_active Withdrawn
- 2008-07-18 KR KR1020080069788A patent/KR20090009140A/ko not_active Application Discontinuation
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19844473A1 (de) * | 1997-09-29 | 1999-04-08 | Aisin Seiki | Vorrichtung zur Steuerung von Ventilsteuerzeiten |
US6332438B1 (en) * | 1999-10-07 | 2001-12-25 | Unisia Jecs Corporation | Vane-type variable valve timing control apparatus and control method |
US20020100445A1 (en) * | 2001-01-31 | 2002-08-01 | Akihiko Takenaka | Valve timing adjusting system of internal combustion engine |
US20020152977A1 (en) * | 2001-03-22 | 2002-10-24 | Katsuhiko Eguchi | Valve timing control device |
EP1365112A2 (de) * | 2002-05-21 | 2003-11-26 | Delphi Technologies, Inc. | Nockenwellenversteller mit einer externen Rückstellfeder |
DE10339669A1 (de) * | 2002-08-28 | 2004-04-22 | Aisin Seiki K.K., Kariya | Ventilzeitabstimmungssteuerungsvorrichtung |
US20050028773A1 (en) * | 2003-08-08 | 2005-02-10 | Hitachi Unisia Automotive, Ltd. | Variable valve actuation apparatus for internal combustion engine |
DE10351223A1 (de) * | 2003-10-28 | 2005-06-09 | Hydraulik-Ring Gmbh | Nockenwellenverstelleinrichtung für Fahrzeuge, vorzugsweise für Kraftfahrzeuge |
EP1533483A1 (de) * | 2003-11-19 | 2005-05-25 | Toyota Jidosha Kabushiki Kaisha | Kontroleinheit zur Steuerung eines Nockenwellenverstellers für Brennkraftmaschine |
EP1703087A1 (de) * | 2003-12-22 | 2006-09-20 | Aisin Seiki Kabushiki Kaisha | VENTILÖFFNUNGS-/-SCHLIEßZEITSTEUERVORRICHTUNG |
EP1589197A2 (de) * | 2004-04-23 | 2005-10-26 | Bayerische Motoren Werke Aktiengesellschaft | Hydraulische Einrichtung zur stufenlos variablen Nockenwellenverstellung |
US20050252468A1 (en) * | 2004-05-13 | 2005-11-17 | Denso Corporation | Valve timing control device having vane rotor |
JP2006063835A (ja) | 2004-08-25 | 2006-03-09 | Denso Corp | バルブタイミング調整装置 |
US20060060161A1 (en) * | 2004-09-17 | 2006-03-23 | Hitachi, Ltd. | Valve timing control apparatus for internal combustion engine |
US7063058B1 (en) * | 2005-04-29 | 2006-06-20 | Delphi Technologies, Inc. | Camshaft phaser bias spring mechanism |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100258069A1 (en) * | 2009-04-09 | 2010-10-14 | Denso Corporation | Valve timing control apparatus |
US8327813B2 (en) * | 2009-04-09 | 2012-12-11 | Denso Corporation | Valve timing control apparatus |
Also Published As
Publication number | Publication date |
---|---|
KR20090009140A (ko) | 2009-01-22 |
JP2009024600A (ja) | 2009-02-05 |
US20090020085A1 (en) | 2009-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
|
17P | Request for examination filed |
Effective date: 20090302 |
|
17Q | First examination report despatched |
Effective date: 20090403 |
|
AKX | Designation fees paid |
Designated state(s): DE GB |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20091014 |