WO2005080787A1 - ベルト駆動式エンジン始動装置 - Google Patents
ベルト駆動式エンジン始動装置 Download PDFInfo
- Publication number
- WO2005080787A1 WO2005080787A1 PCT/JP2005/002547 JP2005002547W WO2005080787A1 WO 2005080787 A1 WO2005080787 A1 WO 2005080787A1 JP 2005002547 W JP2005002547 W JP 2005002547W WO 2005080787 A1 WO2005080787 A1 WO 2005080787A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- belt
- pulley
- engine
- cover
- starter
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/08—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing being of friction type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/006—Assembling or mounting of starting devices
-
- 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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
- F16H7/1254—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means
- F16H7/1281—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially circular path
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/06—Endless member is a belt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/04—Starting of engines by means of electric motors the motors being associated with current generators
-
- 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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
Definitions
- the start of an engine is performed by gear driving using an engine starter.
- the crankshaft of the engine is connected to the engine via the starter gear, and the torque of the engine starter is transmitted to the crankshaft to start the engine.
- This operation is usually performed by the driver turning the engine key to the start position.
- an alternator belt for an auxiliary machine is entirely covered with a belt cover together with a crankshaft pulley and the like, and an inspection hole for the alternator belt is provided in the belt cover (for example, see Patent Document 2).
- a rib having an inclined surface is protruded from a belt entry side of each of the pulleys.
- Patent Document 1 Japanese Patent Application Laid-Open No. 9-172753 (Paragraph Nos. 0021, 0023 and FIG. 1)
- Patent Document 2 Japanese Utility Model Application No. 5-42647 (Paragraph No. 0020-0022 and FIGS. 2 and 4)
- Patent Document 3 Special Features JP 2003-74370 (Paragraphs 0010, 0012, 0013 and Figure 1)
- the engine when the engine is started using the accessory belt, particularly when the vehicle is parked for a long time in a cold region, the surface of the pulley or the inner peripheral surface of the accessory belt freezes, and the boogie is stopped.
- the engine may not be started due to slippage between the belts. For example, rainwater or snow accumulated on the road is jumped up and adheres to accessory belts and pulleys, and the wetted accessory belts and pulleys are cooled and frozen while parked while parking. It is a character that sometimes happens.
- the present invention has been made in view of the above points, and provides an engine starting device capable of reliably starting an engine by a belt drive by an electric motor even when parked for a long time in a cold region or the like.
- a device for starting an engine by rotating a crankshaft via a friction transmission belt such as an engine start belt and an auxiliary belt and a pulley, wherein at least a part of both or one of the friction transmission belt and the pulley is provided.
- the cover is equipped with an anti-icing cover.
- the anti-icing cover is attached to a portion of the friction electric belt and the pulley where water or snow may adhere during running of the vehicle. Therefore, water droplets and snow hardly adhere to the belt or the pulley. For this reason, after parking for a long time in a cold region or the like below the freezing point, when starting the engine by rotating the pulley of the electric motor and transmitting it to the pulley of the crankshaft by the friction transmission belt, the crankshaft is The engine rotates at the speed required for starting, and the engine is started reliably.
- the belt and pulley are cooled sufficiently by the air that flows in while the engine is running after the engine starts. Therefore, it is possible to prevent heat deterioration due to a rise in the temperature of the belt or pulley.
- the startability of the engine is extremely good and the start noise is quiet compared to the conventional starter gear drive.
- an arc-shaped cover that covers each upper peripheral side of the drive shaft pulley (motor pulley) of the electric motor and the pulley (crank pulley) of the crankshaft is attached to the engine block. Can be.
- the motor pulley and the crank pulley are covered with the arc-shaped cover, so that raindrops and debris are unlikely to adhere to the motor pulley and the crank pulley. Even if there is snow or snow, the rotation of the motor pulley rotates the friction transmission belt and the rotational force is transmitted to the crank pulley, so the engine is reliably powered.
- the friction transmission belt includes a plurality of circumferentially continuous ribs on the inner peripheral side, and the pulley is a pulley with a rib groove corresponding to a rib of the belt. At least a portion where the rib of the belt faces upward and a portion where the rib groove of the pulley faces upward U, prefer to attach the cover on one side.
- the upper part of the cover is inclined forward and downward.
- the cover can be arranged in the flow path of the cooling air in the engine room.
- the cover is provided with an opening or a slit provided with a net material (net), which is air-permeable and water-impermeable.
- net net material
- the surface of the pulley is subjected to a water-repellent treatment, and a resin-made pulley for applying a resin coating to the surface of the pulley can be used.
- the belt-driven engine starting device having the above configuration, even if snow or rainwater adheres to the surface of the pulley due to the water-repellent treatment applied thereto, it becomes a polka dot and falls when the pulley rotates, so that it does not easily adhere.
- the use of a resin coating or resin pulley on the surface of the pulley lowers the thermal conductivity, so even if the engine cools down, the pulley does not cool down immediately, and the raindrops attached to it will freeze.
- the pulley is suitable for a starter pulley and a crank pulley which increase the rotational torque. As a result, icing on the pulley is prevented at low temperatures, It is possible to suppress a decrease in the coefficient of friction with the tilt.
- the belt-driven engine starter of the present invention has the following excellent effects.
- the engine is started via an electric motor such as an engine starter or a generator / motor via a friction transmission belt and a pulley, and water and snow are less likely to adhere to those belts or pulleys. Therefore, even when the engine is started after parking for a long time in a cold area where the temperature is below freezing, the torque of the electric motor is transmitted to the crankshaft S and the engine rotates at the rotation speed required to start the engine. , The engine is started reliably. The noise is quiet because of the belt drive, and the engine runs smoothly and starts.
- a vehicle equipped with a belt-driven engine starting device does not need to have a conventional gear-driven engine starting device, and a vehicle using an idle stop, in which the engine stops every time the brake is depressed at a signal or the like, is started. It is extremely effective as a device.
- FIG. 1 is a perspective view schematically showing an embodiment of a belt-driven engine starter.
- a pulley 4 of an engine starter 3 fixed to a lower part of the side of the engine 1 (right side in the figure) is attached to a crank pulley 2 (a pulley attached to a tip of a crankshaft) at a lower part of the front of the engine 1. It is connected by an endless engine start belt 5.
- the inner circumferential surface of the belt 5 is provided with a plurality of ribs 5a which are continuous in the circumferential direction (longitudinal direction).
- the rib grooves 2a corresponding to these ribs 5a are provided on the crank pulley 2, and the rib grooves 4a are provided on the pulley 4a.
- crank pulley 2 is wide, and a rib groove 2a is formed over the entire width so as to correspond to a rib 9a of an accessory belt 9 described later.
- a rib groove 6a is formed on a pulley 6 described later, and a rib groove 8a is formed on a pulley 8 described later. After that, see Fig. 3 (a).
- An endless accessory belt 9 with ribs is stretched over the pulley 2 It is.
- Reference numeral 11 denotes an automatic tensioner for the belt 5
- reference numeral 12 denotes an idle pulley for the auxiliary belt 9. Since the auto tensioner 11 increases the tension of the belt 5 for starting the engine, it is important to transmit the torque of the starter pulley 4 to the crank pulley 2.
- the starting device for the engine 1 of the present example is configured such that when starting with an engine key, the engine starter 3 rotates and the belt 5 transmits the torque to the crank pulley 2.
- the engine starter 3 rotates and the belt 5 transmits the torque to the crank pulley 2.
- the following measures are taken for the belt drive system on the engine starter 3 side in response to the engine starter having such a configuration. That is, between the crank pulley 2 and the starter pulley 4, a belt portion 5 ′ having a rib 5 a with the inside facing upward and the belt 5 side which moves to the crank pulley 2 side by rotation of the starter pulley 4 (in this example, The belt portion 5 of the auto tensioner 11) and the lower half of the crank pulley 2 and the starter pulley 4 are covered by a belt force bar 13.
- the belt cover 13 has a mountain shape along the belt portion 5 'when viewed from the front.
- the belt cover 13 has an integral structure that covers the upper surface and the front surface of the belt portion 5 'and the lower front surface of both pulleys 2 and 4, and has a plurality of forwardly extending one ends fixed to the engine block la or the timing belt cover lb.
- the belt cover 13 is supported by the stay 13b (see FIG. 3).
- the belt cover 13 covers only the belt portion 5 'so as to prevent only the belt portion 5 of the entire belt 5 from being wet.
- the belt portion 5 ′ is a portion of the belt 5 that is disposed on the lower side.
- the belt portion 5 ′ is a portion of the entire belt 5 that is stretched at an angle that is relatively close to horizontal, and that has a V-groove that is directed upward.
- the belt portion 5 ' is a portion of the belt 5 that is disposed near the crank pulley 2 as the lowest pulley among the pulleys on which the belt 5 is hung.
- the belt cover 13 has a front surface extending in the vertical direction, and an upper surface 13a extending in the horizontal direction or in a direction inclined with respect to the horizontal direction. Shape.
- the front surface of the belt cover 13 covers the front side of the belt portion 5 ', that is, the side opposite to the engine, at least near the crank pulley 2.
- the upper surface 13a of the belt cover 13 covers the upper surface of the belt portion 5 ', that is, the V-groove surface at least near the crank pulley 2.
- the belt cover 13 may have a U-shaped cross section or a U-shaped cross section.
- the engine 1 is started by a gear driven by an engine starter.
- the engine is driven by a belt, so that the engine can be started more smoothly and quietly.
- components related to the power engine starter, in which the cooling fan 20 is indicated by a virtual line, are omitted as in FIG.
- the belt portion 5 whose inner peripheral surface first moves toward the crank pulley 2 when the starter pulley 4 starts rotating, is covered with the belt cover 13, so that rain water that causes icing can be formed. It prevents snow and snow from adhering to the belt part 5 '.
- FIG. 2 is a perspective view schematically showing another embodiment of the belt-driven engine starter.
- the engine starter 3 is omitted as shown in the figure, and the first start of the engine 1 by the engine key is also performed by the alternator (generator) / motor 10.
- the pulley 8 of the alternator / motor 10 the crank pulley 2, and the pulley 6 of the compressor 7 for the air conditioner are connected in series by an endless auxiliary belt 9 with ribs.
- the idler pulley 15 is interposed between the pulley 6 and the crank pulley 2 to apply tension to the accessory belt 9.
- the belt portion 9 'of which the inner surface of the auxiliary machine belt 9 faces upward is covered with a belt cover 16 to prevent icing.
- the belt cover 16 has an L-shaped cross section covering the upper surface and the front surface, and is supported by a stay from the engine block la, which is common to the belt cover 13.
- Other configurations are the same as those of the engine starting device of the above-described embodiment, and therefore, the same components are denoted by the same reference numerals, and description thereof is omitted.
- Test vehicle As shown in Fig. 5, the starter pulley 24 and the crank pulley 22 are connected by an endless belt 25 with ribs, located at the lower side between the pulleys 22 and 24, and the rib 25a faces upward.
- a belt-driven engine starter 21 with a structure that applies a constant tension by pressing the belt portion 25, which is to be squeezed upward from below, with an auto tensioner 23 is provided.
- a belt cover 26 with a substantially L-shaped cross section with a roof (upper surface) 26a slightly inclined downward and forward is attached to the top, with the rib 25a surface between the starter pulley 24 and the crank pulley 22 facing upward.
- the engine startability was compared between the case where the belt portion 25 'was installed so as to be covered and the case where the belt cover 26 was not installed.
- Test location Abashiri, Hokkaido
- Test environment outside air temperature-6 ° C, engine oil temperature-4 ° C
- Test content With the hood open, remove about 1 liter of snow from above the belt So that it adheres to the side belt rib surface. After being left in this state for about 30 minutes, the starter pulley 24 was rotated in the direction of the arrow to check whether or not the engine started.
- the upper surface 13a of the belt cover 13 is inclined forward and downward as shown in FIG. And snow can fall immediately.
- the front surface of the belt cover 13 of the first embodiment or the front surface of the belt cover 16 of the second embodiment may be formed of a mesh material that does not allow snow or water droplets to pass therethrough but has air permeability.
- the icing prevention cover is provided mainly at the position where the inside of the belts 5 and 9 faces upward.
- the crank pulley 2 and the starter pulley 2 are provided.
- Arc-shaped covers 17 and 18 are provided where the pulley groove 4 is exposed from the belt, and the lower surface of the auxiliary belt 9 is continuously connected with the lower side of the pulleys 2 and 4 as shown in Fig. 4 (b).
- FIG. 1 is a perspective view schematically showing an embodiment of a belt-driven engine starter according to the present invention.
- FIG. 2 is a perspective view schematically showing another embodiment of the belt-driven engine starter according to the present invention.
- FIG. 3 (a) is an enlarged partial cross-sectional view showing a state where a belt rib is fitted into a pulley rib groove
- FIG. 3 (b) is a cross-sectional view showing another embodiment of a belt cover. It is.
- FIGS. 4 (a) and 4 (b) are schematic front views showing an embodiment in which covers are attached to accessory belts and pulleys, respectively.
- FIG. 5 is a front view showing an engine starting device and a left side view of a belt cover 26.
- Fig. 6 is a diagram showing the engine startability test results when the belt cover is not attached (relationship between engine speed and start time), and Fig. 6 (b) is the engine with the belt cover attached.
- FIG. 4 is a diagram showing the startability test results (relationship between engine speed and start time).
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05719266A EP1724465B1 (en) | 2004-02-19 | 2005-02-18 | Belt driven-type engine starting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-042537 | 2004-02-19 | ||
JP2004042537A JP4431418B2 (ja) | 2004-02-19 | 2004-02-19 | ベルト駆動式エンジン始動装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005080787A1 true WO2005080787A1 (ja) | 2005-09-01 |
Family
ID=34879262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/002547 WO2005080787A1 (ja) | 2004-02-19 | 2005-02-18 | ベルト駆動式エンジン始動装置 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1724465B1 (ja) |
JP (1) | JP4431418B2 (ja) |
WO (1) | WO2005080787A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103216420A (zh) * | 2013-04-26 | 2013-07-24 | 兴宁市洪才电镀废水处理设备有限公司 | 一种拉力式空气压缩机 |
CN113513405A (zh) * | 2021-07-30 | 2021-10-19 | 重庆长安汽车股份有限公司 | 一种混合动力汽车的发动机轮系及混合动力汽车 |
CN114109785A (zh) * | 2021-11-15 | 2022-03-01 | 浙江派尼尔科技股份有限公司 | 一种水平对置动力多用途空压机 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4577223B2 (ja) * | 2006-01-23 | 2010-11-10 | 三菱自動車工業株式会社 | エンジンの補機駆動ベルトカバー |
KR100915245B1 (ko) * | 2007-12-12 | 2009-09-03 | 지엠대우오토앤테크놀로지주식회사 | 벨트 얼터네이터 스타터 |
JP2014236615A (ja) | 2013-06-04 | 2014-12-15 | 三菱電機株式会社 | 制御装置一体型回転電機 |
CN104494594A (zh) * | 2014-12-17 | 2015-04-08 | 南通市冠东模塑科技有限公司 | 一种汽车发动机bsg启停控制方法及装置 |
FR3049658B1 (fr) * | 2016-03-30 | 2020-12-18 | Renault Sas | Strategie de demarrage par temps froids avec alterno-demarreur |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09296769A (ja) * | 1996-03-08 | 1997-11-18 | Denso Corp | スタータ |
JP2002371943A (ja) * | 2001-06-13 | 2002-12-26 | Denso Corp | ベルト式エンジン始動システム |
JP2003074447A (ja) * | 2001-09-05 | 2003-03-12 | Denso Corp | エンジン始動システム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3631517A1 (de) * | 1986-09-17 | 1988-04-14 | Konrad Dipl Ing Schmidt | Ein- oder mehrteilige schutzverkleidung fuer zugmittelgetriebe |
JPH0625652Y2 (ja) * | 1988-10-04 | 1994-07-06 | マツダ株式会社 | エンジンのベルトカバーシール構造 |
JPH07259965A (ja) * | 1994-03-24 | 1995-10-13 | Shin Kobe Electric Mach Co Ltd | 樹脂製歯付プーリ |
DE10057818A1 (de) * | 2000-11-21 | 2002-05-23 | Ina Schaeffler Kg | Zugmitteltrieb für einen Startergenerator |
-
2004
- 2004-02-19 JP JP2004042537A patent/JP4431418B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-18 WO PCT/JP2005/002547 patent/WO2005080787A1/ja not_active Application Discontinuation
- 2005-02-18 EP EP05719266A patent/EP1724465B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09296769A (ja) * | 1996-03-08 | 1997-11-18 | Denso Corp | スタータ |
JP2002371943A (ja) * | 2001-06-13 | 2002-12-26 | Denso Corp | ベルト式エンジン始動システム |
JP2003074447A (ja) * | 2001-09-05 | 2003-03-12 | Denso Corp | エンジン始動システム |
Non-Patent Citations (1)
Title |
---|
See also references of EP1724465A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103216420A (zh) * | 2013-04-26 | 2013-07-24 | 兴宁市洪才电镀废水处理设备有限公司 | 一种拉力式空气压缩机 |
CN103216420B (zh) * | 2013-04-26 | 2015-04-15 | 兴宁市洪才电镀废水处理设备有限公司 | 一种拉力式空气压缩机 |
CN113513405A (zh) * | 2021-07-30 | 2021-10-19 | 重庆长安汽车股份有限公司 | 一种混合动力汽车的发动机轮系及混合动力汽车 |
CN113513405B (zh) * | 2021-07-30 | 2022-12-09 | 重庆长安汽车股份有限公司 | 一种混合动力汽车的发动机轮系及混合动力汽车 |
CN114109785A (zh) * | 2021-11-15 | 2022-03-01 | 浙江派尼尔科技股份有限公司 | 一种水平对置动力多用途空压机 |
Also Published As
Publication number | Publication date |
---|---|
JP4431418B2 (ja) | 2010-03-17 |
JP2005233061A (ja) | 2005-09-02 |
EP1724465A4 (en) | 2010-09-15 |
EP1724465A1 (en) | 2006-11-22 |
EP1724465B1 (en) | 2012-04-11 |
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