JP2015143484A - 内燃機関の油圧回路 - Google Patents
内燃機関の油圧回路 Download PDFInfo
- Publication number
- JP2015143484A JP2015143484A JP2014016506A JP2014016506A JP2015143484A JP 2015143484 A JP2015143484 A JP 2015143484A JP 2014016506 A JP2014016506 A JP 2014016506A JP 2014016506 A JP2014016506 A JP 2014016506A JP 2015143484 A JP2015143484 A JP 2015143484A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- vvt
- exhaust
- rotor
- camshaft
- 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.)
- Pending
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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
- 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
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0203—Variable control of intake and exhaust valves
- F02D13/0215—Variable control of intake and exhaust valves changing the valve timing only
- F02D13/0219—Variable control of intake and exhaust valves changing the valve timing only by shifting the phase, i.e. the opening periods of the valves are constant
-
- 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
- F01L2001/34423—Details relating to the hydraulic feeding circuit
-
- 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
-
- 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
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
【解決手段】VVT23,24に油圧を供給するための専用ポンプとして第2のオイルポンプ21を備えた油圧回路において、ロータと、エンジンの停止時にロータが最進角状態に保持されるようにするためのリターンスプリングとを排気側VVT24が有しており、ロータが連結された排気側カムシャフト26から第2のオイルポンプ21の駆動力を得るようにすることにより、リターンスプリングの付勢力により、排気側VVT24の作動に必要なトルクの増大を低減できるようにする。
【選択図】図1
Description
14 メインギャラリ
21 第2のオイルポンプ
22 OCV
23 吸気側VVT
24 排気側VVT
25 吸気側カムシャフト
26 排気側カムシャフト
32 ロータ
33 リターンスプリング
Claims (2)
- 内燃機関のクランクシャフトに対する吸気側カムシャフトおよび排気側カムシャフトの少なくとも一方の回転位相を変更することにより、上記吸気側カムシャフトおよび上記排気側カムシャフトによって開閉駆動される吸気バルブおよび排気バルブの少なくとも一方のバルブタイミングを変更する可変バルブタイミング機構を備えた内燃機関の油圧回路であって、
オイルパンからメインギャラリにオイルを供給する第1のオイルポンプと、
上記可変バルブタイミング機構にオイルを供給する第2のオイルポンプとを備え、
上記可変バルブタイミング機構は、上記吸気側カムシャフトおよび上記排気側カムシャフトの少なくとも一方に連結されて回転するロータと、
上記内燃機関の停止時に上記ロータが最大位相角状態に保持されるように付勢するためのリターンスプリングとを有し、
上記ロータが連結されたカムシャフトから上記第2のオイルポンプの駆動力を得るようにしたことを特徴とする内燃機関の油圧回路。 - 上記ロータが上記排気側カムシャフトに連結され、上記第2のオイルポンプの駆動力を上記排気側カムシャフトから得るようにしたことを特徴とする請求項1に記載の内燃機関の油圧回路。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014016506A JP2015143484A (ja) | 2014-01-31 | 2014-01-31 | 内燃機関の油圧回路 |
PCT/JP2015/052272 WO2015115450A1 (ja) | 2014-01-31 | 2015-01-28 | 内燃機関の油圧回路 |
US15/115,538 US20170159508A1 (en) | 2014-01-31 | 2015-01-28 | Hydraulic circuit for internal combustion engine |
EP15742788.1A EP3101241A4 (en) | 2014-01-31 | 2015-01-28 | Hydraulic circuit for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014016506A JP2015143484A (ja) | 2014-01-31 | 2014-01-31 | 内燃機関の油圧回路 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2015143484A true JP2015143484A (ja) | 2015-08-06 |
Family
ID=53757023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014016506A Pending JP2015143484A (ja) | 2014-01-31 | 2014-01-31 | 内燃機関の油圧回路 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170159508A1 (ja) |
EP (1) | EP3101241A4 (ja) |
JP (1) | JP2015143484A (ja) |
WO (1) | WO2015115450A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020179762A1 (ja) * | 2019-03-04 | 2020-09-10 | いすゞ自動車株式会社 | 内燃機関の可変動弁装置 |
CN112302752A (zh) * | 2019-07-25 | 2021-02-02 | 句容嘉晟汽车配件有限公司 | 一种vvt*** |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2551509B (en) * | 2016-06-20 | 2020-08-26 | Ford Global Tech Llc | An engine assembly comprising a camshaft driven oil pump |
US10494961B2 (en) | 2017-06-28 | 2019-12-03 | Borgwarner Inc. | Camshaft driven pump for a hydraulic cam phaser |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10252434A (ja) * | 1997-03-14 | 1998-09-22 | Unisia Jecs Corp | エンジンの油圧回路 |
JP3368785B2 (ja) * | 1997-02-04 | 2003-01-20 | スズキ株式会社 | 船外機のオイルポンプ |
JP2004060572A (ja) * | 2002-07-30 | 2004-02-26 | Aisin Seiki Co Ltd | 内燃機関のバルブタイミング制御装置 |
JP2005061261A (ja) * | 2003-08-08 | 2005-03-10 | Hitachi Unisia Automotive Ltd | 内燃機関の可変動弁装置 |
JP2011157833A (ja) * | 2010-01-29 | 2011-08-18 | Denso Corp | バルブタイミング調整装置 |
JP2013204769A (ja) * | 2012-03-29 | 2013-10-07 | Honda Motor Co Ltd | 油圧供給構造 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6871620B2 (en) * | 2002-04-09 | 2005-03-29 | Ford Global Technologies, Llc | Variable cam timing unit oil supply arrangement |
JP4177197B2 (ja) * | 2003-08-08 | 2008-11-05 | 株式会社日立製作所 | 内燃機関のバルブタイミング制御装置 |
JP5574159B2 (ja) * | 2010-03-26 | 2014-08-20 | アイシン精機株式会社 | 弁開閉時期制御装置 |
JP2011236781A (ja) * | 2010-05-07 | 2011-11-24 | Aisin Seiki Co Ltd | 弁開閉時期制御装置 |
GB2484123B (en) * | 2010-09-30 | 2015-01-21 | Mechadyne Internat Ltd | Cam summation engine valve system |
-
2014
- 2014-01-31 JP JP2014016506A patent/JP2015143484A/ja active Pending
-
2015
- 2015-01-28 EP EP15742788.1A patent/EP3101241A4/en not_active Withdrawn
- 2015-01-28 US US15/115,538 patent/US20170159508A1/en not_active Abandoned
- 2015-01-28 WO PCT/JP2015/052272 patent/WO2015115450A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3368785B2 (ja) * | 1997-02-04 | 2003-01-20 | スズキ株式会社 | 船外機のオイルポンプ |
JPH10252434A (ja) * | 1997-03-14 | 1998-09-22 | Unisia Jecs Corp | エンジンの油圧回路 |
JP2004060572A (ja) * | 2002-07-30 | 2004-02-26 | Aisin Seiki Co Ltd | 内燃機関のバルブタイミング制御装置 |
JP2005061261A (ja) * | 2003-08-08 | 2005-03-10 | Hitachi Unisia Automotive Ltd | 内燃機関の可変動弁装置 |
JP2011157833A (ja) * | 2010-01-29 | 2011-08-18 | Denso Corp | バルブタイミング調整装置 |
JP2013204769A (ja) * | 2012-03-29 | 2013-10-07 | Honda Motor Co Ltd | 油圧供給構造 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020179762A1 (ja) * | 2019-03-04 | 2020-09-10 | いすゞ自動車株式会社 | 内燃機関の可変動弁装置 |
CN112302752A (zh) * | 2019-07-25 | 2021-02-02 | 句容嘉晟汽车配件有限公司 | 一种vvt*** |
Also Published As
Publication number | Publication date |
---|---|
EP3101241A1 (en) | 2016-12-07 |
US20170159508A1 (en) | 2017-06-08 |
WO2015115450A1 (ja) | 2015-08-06 |
EP3101241A4 (en) | 2017-08-16 |
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