JP6368008B2 - 内燃機関のバルブタイミング制御装置 - Google Patents
内燃機関のバルブタイミング制御装置 Download PDFInfo
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- JP6368008B2 JP6368008B2 JP2017107275A JP2017107275A JP6368008B2 JP 6368008 B2 JP6368008 B2 JP 6368008B2 JP 2017107275 A JP2017107275 A JP 2017107275A JP 2017107275 A JP2017107275 A JP 2017107275A JP 6368008 B2 JP6368008 B2 JP 6368008B2
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- 229940116224 behenate Drugs 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 30
- 239000010720 hydraulic oil Substances 0.000 description 13
- 238000003780 insertion Methods 0.000 description 12
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- 238000004891 communication Methods 0.000 description 6
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- 238000000034 method Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
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- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
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- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/20—Making machine elements valve parts
- B21K1/22—Making machine elements valve parts poppet valves, e.g. for internal-combustion engines
-
- 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
-
- 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
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
- F01L2001/3443—Solenoid driven oil control valves
-
- 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
- F01L2001/34453—Locking means between driving and driven members
- F01L2001/34456—Locking in only one position
-
- 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
- F01L2001/34453—Locking means between driving and driven members
- F01L2001/34469—Lock movement parallel to camshaft axis
-
- 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
- F01L2001/34479—Sealing of phaser devices
-
- 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
-
- 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
- F01L2303/00—Manufacturing of components used in valve arrangements
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Device For Special Equipments (AREA)
Description
カムシャフトに固定されるロータ及び前記ハウジング本体の内周に突設された複数のシューの間を遅角作動室と進角作動室に分ける複数のベーンを有するベーンロータと、
前記ハウジング本体の一端の開口を閉塞する内端面を有する円盤状のプレート本体と、該プレート本体の中央に形成された貫通孔の孔縁から外方へ突出した円筒部と、前記プレート本体の外方の面である外端面の前記円筒部の付近に前記内端面側に押し込んで形成された凹部と、前記貫通孔の内周面に前記内端面側から前記円筒部へ傾斜状に形成され、軸方向の幅よりも径方向の幅が小さいテーパ面と、を有するフロントプレートと、
一端部が前記ロータに係止され、他端部が前記円筒部に係止されることにより、前記ハウジング本体に対して前記ベーンロータを回転方向の一方向側に付勢するトーションスプリングと、を有することを特徴としている。
〔第1実施形態〕
排気側のバルブタイミング制御装置(VTC)は、図1及び図2に示すように、図外のクランクシャフトによりタイミングチェーンを介して回転駆動される駆動回転体であるスプロケット1と、該スプロケット1に対して相対回転可能に設けられたカムシャフト2と、前記スプロケット1とカムシャフト2との間に配置されて、該両者1、2の相対回転位相を変換する位相変更機構3と、該位相変更機構3を作動させる油圧回路4と、を備えている。
〔フロントプレートの成形方法〕
そして、前記フロントプレート12は、図11A〜Fに示す一連のプレス成形工程によって形成されるようになっている。
〔本実施形態における可変動弁装置の作用効果〕
まず、機関始動時は、図3に示すように、トーションスプリング32のばね力によってベーンロータ7を最大進角位置に付勢していると共に、この位置で予めロックピン28の先端部28aがロック穴29内に係入して、ベーンロータ7を始動に最適な進角側の相対回転位置に拘束している。このため、排気弁のバルブタイミングが最進角側へ安定的に制御されている。このことから、イグニッションスイッチをオン操作して始動が開始されると、スムーズなクランキングによって良好な始動性が得られる。
Claims (5)
- クランクシャフトからの回転力が伝達され、軸方向の少なくとも一端が開口形成されたハウジング本体と、
カムシャフトに固定されるロータ及び前記ハウジング本体の内周に突設された複数のシューの間を遅角作動室と進角作動室に分ける複数のベーンを有するベーンロータと、
前記ハウジング本体の一端の開口を閉塞する内端面を有する円盤状のプレート本体と、該プレート本体の中央に形成された貫通孔の孔縁から外方へ突出した円筒部と、前記プレート本体の外方の面である外端面の前記円筒部の付近に前記内端面側に押し込んで形成された凹部と、前記貫通孔の内周面に前記内端面側から前記円筒部へ傾斜状に形成され、軸方向の幅よりも径方向の幅が小さいテーパ面と、を有するフロントプレートと、
一端部が前記ロータに係止され、他端部が前記円筒部に係止されることにより、前記ハウジング本体に対して前記ベーンロータを回転方向の一方向側に付勢するトーションスプリングと、
を有することを特徴とする内燃機関のバルブタイミング制御装置。 - 請求項1に記載の内燃機関のバルブタイミング制御装置において、
前記凹部を、プレス成形によって形成したことを特徴とする内燃機関のバルブタイミング制御装置。 - 請求項2に記載の内燃機関のバルブタイミング制御装置において、
前記内端面の内周部位がほぼ直角状に形成されていることを特徴とする内燃機関のバルブタイミング制御装置。 - 請求項2に記載の内燃機関のバルブタイミング制御装置において、
前記凹部を、前記円筒部の根元部を囲むように円環状に形成したことを特徴とする内燃機関のバルブタイミング制御装置。 - クランクシャフトからの回転力が伝達され、軸方向の少なくとも一端が開口形成されたハウジング本体と、
カムシャフトに固定されたロータ及び前記ハウジング本体の内周に突設された複数のシューの間を遅角作動室と進角作動室とに分ける複数のベーンを有するベーンロータと、
前記ハウジング本体の一端開口を閉塞する内端面を有する円盤状のプレート本体と、該プレート本体の中央に形成された貫通孔の孔縁から外方へ突出した円筒部と、前記プレート本体の外方の面である外端面の前記円筒部の外周に沿って前記内端面側に押し込んで形成された凹部と、前記円筒部の先端縁から軸方向へ所定長さ切り欠かれた切欠部と、を有するフロントプレートと、
一端部が前記ロータに係止され、他端部が前記切欠部に係止されることにより、前記ハウジング本体に対して前記ベーンロータを回転方向の一方向側に付勢するトーションスプリングと、
を有することを特徴とする内燃機関のバルブタイミング制御装置。
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JP2017107275A Active JP6368008B2 (ja) | 2013-12-11 | 2017-05-31 | 内燃機関のバルブタイミング制御装置 |
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US (1) | US10082055B2 (ja) |
JP (2) | JPWO2015087649A1 (ja) |
CN (1) | CN105793527B (ja) |
WO (1) | WO2015087649A1 (ja) |
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JP6422829B2 (ja) * | 2015-06-29 | 2018-11-14 | 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 |
JP6443294B2 (ja) * | 2015-10-15 | 2018-12-26 | 株式会社デンソー | バルブタイミング調整装置 |
US10167747B2 (en) * | 2016-10-28 | 2019-01-01 | Schaeffler Technologies AG & Co. KG | Sheet metal locking cover for a cam phaser |
DE112018008008T5 (de) * | 2018-09-25 | 2021-06-17 | Schaeffler Technologies AG & Co. KG | Einsatz für einen Nockenwellenversteller sowie Nockenwellenversteller |
JP2020076357A (ja) * | 2018-11-07 | 2020-05-21 | アイシン精機株式会社 | 弁開閉時期制御装置 |
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DE10103876B4 (de) * | 2000-01-31 | 2005-12-01 | Aisin Seiki K.K., Kariya | Ventilsteuerzeitverstellvorrichtung für Verbrennungsmotoren |
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JP3986331B2 (ja) | 2002-03-07 | 2007-10-03 | 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 |
JP4930791B2 (ja) * | 2007-12-20 | 2012-05-16 | アイシン精機株式会社 | 弁開閉時期制御装置 |
JP2011064105A (ja) * | 2009-09-16 | 2011-03-31 | Hitachi Automotive Systems Ltd | 内燃機関のバルブタイミング制御装置 |
JP5804765B2 (ja) | 2010-05-17 | 2015-11-04 | 日新製鋼株式会社 | 塗装鋼板の溶接方法 |
JP5357137B2 (ja) | 2010-12-24 | 2013-12-04 | 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 |
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2014
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CN105793527B (zh) | 2019-06-21 |
JPWO2015087649A1 (ja) | 2017-03-16 |
US10082055B2 (en) | 2018-09-25 |
JP2017172589A (ja) | 2017-09-28 |
CN105793527A (zh) | 2016-07-20 |
US20160273417A1 (en) | 2016-09-22 |
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