CN2105560U - 用于内燃机的空气涡流装置 - Google Patents
用于内燃机的空气涡流装置 Download PDFInfo
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- CN2105560U CN2105560U CN91219354U CN91219354U CN2105560U CN 2105560 U CN2105560 U CN 2105560U CN 91219354 U CN91219354 U CN 91219354U CN 91219354 U CN91219354 U CN 91219354U CN 2105560 U CN2105560 U CN 2105560U
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- blade
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- swirl device
- air swirl
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- 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
- F02B31/00—Modifying induction systems for imparting a rotation to the charge in the cylinder
-
- 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
- F02M29/00—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture
- F02M29/04—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture having screens, gratings, baffles or the like
- F02M29/06—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture having screens, gratings, baffles or the like generating whirling motion of mixture
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- 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
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Spray-Type Burners (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Supercharger (AREA)
Abstract
一种用于内燃机的空气涡流装置,包括一个壳体
和一组在其上具有至少一个狭长切口的叶片,用来防
止在叶片后面产生负压,借以改善空气与燃料的混合
特性和改善发动机的性能。
Description
本实用新型是一种用于内燃机的空气涡流装置,特别是一种具有一组在其上分别带有至少一个狭长切口叶片的空气涡流装置。这种空气涡流装置用于火花点火的汽化器型内燃机或燃料喷射型内燃机以及高压自燃式柴油发动机。
众所周知,内燃机燃烧室中涡流的增加,改善了火焰的传播速充以达到完全燃烧。然而存在许多问题,随着空气流量的增加,如使空气阻力增加等类似问题。这些已知事实已表示在以下的现有技术文献中,例如日本专利文献53-26247,59-11722和美国专利US-4,308,869公开了一个简单的涡流装置,它包括一个具有大进气阻力的进气阀,使得该涡流装置不能产生均匀气流。日本专利文献60-17922和61-10645,美国专利US-4,424,777,US-4,432,312和US-4,539,954公开了一种具有放置在进气阀附近的叶片的装置,这种装置有许多缺点,例如空气阻力,进入气缸的空气量减少,由于不同的涡流比和进气量改变了进气歧管中的空气流动,并增强了振动。美国专利US-3,648,674和US-4,274,386公开了一个绕圈绕组和一个放置在汽化器和进气歧管之间的叶片装置。然而该装置呈现有高摩擦,结果使进气量减小,而且它仅用于汽化器型的汽油发动机上。
为了避免上述问题,本发明人的美国专利US-4,962,642公开了一种用于内燃机的,包括有一个空气滤清器和一个安装在其内的涡流装置的空气流动系统,它具有多个用来产生空气涡流的叶片,因此改善了空气燃料的混合和发动机的性能。然而,这种空气流动系统一般来说,由于空气涡流而在叶片组的后面存在负压,并产生气流摩擦。因此,这种空气流动系统具有一些缺点,例如进入的空气减少,功率低和不节省燃料。
本实用新型试图克服上述传统装置的缺点,因此,本实用新型的一个目的就是提供一种改进的空气涡流装置,该装置具有一组在其上分别带有至少一个狭长切口的叶片。
本实用新型的空气涡流装置的一个优点是,空气流动阻力可以减至最小,并防止燃料粘附在进气系统的壁上,同时防止在叶片背面产生负压。这使空气和燃料能充分混合,该混合物具有好的蒸发性及细的,均匀的燃料颗粒尺寸,它改进了由该发动机驱动的车辆的加速度。如果落下踏板稍微加速,喷射燃料量就较少,因此可以节约燃料。
本实用新型的其他目的和应用范围,可从下面的详细说明中更清楚地看到。然而应当理解,下面的详细说明和具体例子只是通过图示的方法给出了本实用新型的较佳实施例。因为对于熟练的技术人员来说,根据这些详细说明,在本实用新型的构思和范围内的各种变化和改进,将是显而易见的。
简要地说,本实用新型是关于一种用于内燃机的涡流装置,它包括有一个壳体,一组具有狭长切口的叶片,该叶片从壳体沿径向延伸,各叶片上带有至少一个狭长的切口,以用来增加空气流减小空气阻力。
下面将参照附图详细地解释本实用新型,根据说明将会更全面地理解本实用新型,但它并不限定本实用新型。其中:
图1是本实用新型用于汽油发动机的涡流装置的空气流动系统的剖面图;
图2(A)是本实用新型具有一组叶片,且各叶片上至少带有一个狭长切口的涡流装置的透视图。
图2(B)是本实用新型具有一组叶片,且各叶片上带有至少一个狭长切口的另一种涡流装置的透视图;
图3(A)表示空气流过传统的空气涡流装置的流线图;
图3(B)表示空气流过本实用新型空气涡流装置的流线图;
图4(A),(B),(C)和(D)是本实用新型的涡流装置的几种叶片的前视图,各叶片带有至少一个狭长切口。
为了用图说明本实用新型的较佳实施例,现在详细地参看附图。如图1所示,涡流装置3围绕空气滤清器2的中心设置,用以产生空气涡流。如图1所示,涡流装置3具有一组叶片3′,它以相同方向装在汽化器7和进气歧管8之间的部位,用来增加涡流的作用力,当涡流空气经过汽化器7时,涡流作用力可能减小。
如图1所示,另外一个涡流装置以相同方面向插在排气歧管入口处,用来改善排气的涡流。此外,涡旋状的排气防止了背压,因此产生完全的排出和较强的吸入。涡流装置3可以用挠性材料制造。
空气滤清器2通过汽化器7和进气歧管8(图1)与汽油发动机的机体1相联。机体1与排气歧管9联接,涡流装置3插在空气滤清器2内,用一螺栓和一翼栓和一翼形螺母固定(没画出)。如图2(A)和图2(B)所示,涡流装置包括一促圆盘或圆筒状体3a、3b,和一组自该圆盘或圆筒状体沿径向延伸的叶片3′,该叶片上分别具有至少一个狭长切口3″。
如图4(A)-(D)所示,每一叶片上至少有一狭长切口3″,切口3″垂直地或水平地位于叶片上,或是垂直地和水平地位于叶片上。
如图3(A)和3(B)所示,按照传统的空气涡流装置的空气流产生负压区5。在叶片组后面产生涡流6(如图3(A))。而按照本发明的空气涡流装置的空气流避免了在叶片组3′后面产生负压区和涡流(如图3(B))。
在运转时,当活塞10和进气阀11向下运动时,由于燃烧室4中的压力降低,被空气滤清器2′滤清的空气流,被涡流装置3的各叶片3′产生涡流。旋转惯性力产生了高密度的波动空气,进入燃烧室。这时,在汽油发动机汽化器7中,燃料微粒聚集在涡流气流中心,使得燃料与空气均匀地混合。涡流气流中心运动很快,所以燃料不能粘附到进气管的壁上,并且使发动机和加速器踏板反应良好。另外,涡流连续地维持在燃烧室4中,使得涡流连续地保持在排气歧管8中。因此,在燃烧室中,火焰分散很好,燃料完全燃烧,从而防止了噪音、振动和磨损,使发动机寿命长和功率大。
在提前火花点火定时的情况下,快速燃烧是有益的,并且它可导致稀薄燃烧、空气污染小和节省燃料。燃烧产物(碳和氧化物)聚集在燃烧室中心,可以很容易地排出,以防止碳聚集在燃烧室中引起发动机磨损。当气体离开燃烧室时,涡旋作用在没有任何进气阻力下可以在同样的方向上继续。
当具有一组分别带有至少一个狭长切口的叶片的涡流装置放置在空气滤清器中时,在空转速度时,一氧化碳(CO)气体能减少17%。发动机功率可增加11%,燃料节省6%,NOx减少5%,这些数据是由朝鲜国家工业研究院测试和计算的。
以上所述的本实用新型,可以用许多方法等同变换,这些等同的变换,不能被认为是超出了本发明的构思范围,所有这些对本技术领域中的人是显而易见的变换都将看成是包含在以下权利要求范围以内的。
Claims (7)
1、一种用于内燃机的空气涡流装置,该装置包括:一个壳体;
一组叶片从所述壳体沿径向延伸出,以增加空气流量;其特征在于
至少一个狭长切口配置在该组各叶片上,以防止在该叶片的背面产生负压,借此产生强的涡流力,该力是通过减小叶片空气流动阻力来保持的。
2、按照权利要求1所述的空气涡流装置,其特征在于该组叶片各带有至少一个水平狭长切口的叶片。
3、按照权利要求1所述的空气涡流装置,其特征在于该组叶片各带有至少一个垂直狭长切口的叶片。
4、按照权利要求1所述的空气涡流装置,其特征在于该组叶片各带有至少一个水平的狭长切口和一个垂直的狭长切口。
5、按照权利要求1所述的空气涡流装置,其特征在于所述壳体是圆筒形的。
6、按照权利要求1所述空气涡流装置,其特征在于所述涡流装置放置在空气滤清器中。
7、按照权利要求1所述的空气涡流装置,其特征在于所述叶片安置在所述空气滤清器中。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900008216U KR920004745Y1 (ko) | 1990-06-12 | 1990-06-12 | 내연기관의 흡배기 회전장치 |
KR8216/90 | 1990-06-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2105560U true CN2105560U (zh) | 1992-05-27 |
Family
ID=19299780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN91219354U Granted CN2105560U (zh) | 1990-06-12 | 1991-06-12 | 用于内燃机的空气涡流装置 |
Country Status (16)
Country | Link |
---|---|
US (1) | US5113838A (zh) |
JP (1) | JPH0524941U (zh) |
KR (1) | KR920004745Y1 (zh) |
CN (1) | CN2105560U (zh) |
AU (1) | AU633216B2 (zh) |
BE (1) | BE1004764A3 (zh) |
CA (1) | CA2044358C (zh) |
DE (1) | DE4119081C2 (zh) |
FR (1) | FR2663083A1 (zh) |
GB (1) | GB2245028B (zh) |
HK (1) | HK106094A (zh) |
IT (1) | IT1248490B (zh) |
MY (1) | MY104292A (zh) |
RU (1) | RU2023899C1 (zh) |
SE (1) | SE9101770L (zh) |
SG (1) | SG104094G (zh) |
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-
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- 1991-04-10 US US07/683,037 patent/US5113838A/en not_active Expired - Fee Related
- 1991-06-10 MY MYPI91001024A patent/MY104292A/en unknown
- 1991-06-10 DE DE4119081A patent/DE4119081C2/de not_active Expired - Fee Related
- 1991-06-11 JP JP052373U patent/JPH0524941U/ja active Pending
- 1991-06-11 SE SE9101770A patent/SE9101770L/xx not_active Application Discontinuation
- 1991-06-11 AU AU78315/91A patent/AU633216B2/en not_active Ceased
- 1991-06-11 CA CA002044358A patent/CA2044358C/en not_active Expired - Fee Related
- 1991-06-11 GB GB9112490A patent/GB2245028B/en not_active Expired - Fee Related
- 1991-06-12 IT ITMI911620A patent/IT1248490B/it active IP Right Grant
- 1991-06-12 BE BE9100566A patent/BE1004764A3/fr not_active IP Right Cessation
- 1991-06-12 CN CN91219354U patent/CN2105560U/zh active Granted
- 1991-06-12 RU SU914895729A patent/RU2023899C1/ru not_active IP Right Cessation
- 1991-06-12 FR FR9107160A patent/FR2663083A1/fr active Pending
-
1994
- 1994-07-28 SG SG104094A patent/SG104094G/en unknown
- 1994-10-06 HK HK106094A patent/HK106094A/xx not_active IP Right Cessation
Cited By (5)
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CN1041452C (zh) * | 1994-09-15 | 1998-12-30 | 郑巡兰 | 空气动力涡轮增压器装置 |
CN1328489C (zh) * | 2002-01-28 | 2007-07-25 | 金世英 | 内燃机的空气旋流装置的翼结构 |
US8459017B2 (en) | 2008-04-09 | 2013-06-11 | Woodward, Inc. | Low pressure drop mixer for radial mixing of internal combustion engine exhaust flows, combustor incorporating same, and methods of mixing |
CN102007278B (zh) * | 2008-04-09 | 2014-05-14 | 伍德沃德公司 | 用于内燃机排气流的径向混合的低压降混合器 |
CN101979850A (zh) * | 2009-05-27 | 2011-02-23 | 马克森有限公司 | 改善车辆内燃机效率的系统、方法及工具 |
Also Published As
Publication number | Publication date |
---|---|
AU7831591A (en) | 1991-12-19 |
MY104292A (en) | 1994-02-28 |
RU2023899C1 (ru) | 1994-11-30 |
HK106094A (en) | 1994-10-14 |
FR2663083A1 (fr) | 1991-12-13 |
AU633216B2 (en) | 1993-01-21 |
DE4119081A1 (de) | 1991-12-19 |
KR920004745Y1 (ko) | 1992-07-18 |
SG104094G (en) | 1994-10-28 |
CA2044358C (en) | 1996-12-03 |
US5113838A (en) | 1992-05-19 |
DE4119081C2 (de) | 1994-01-27 |
IT1248490B (it) | 1995-01-19 |
SE9101770L (sv) | 1991-12-13 |
KR920000893U (ko) | 1992-01-28 |
ITMI911620A1 (it) | 1992-12-12 |
GB2245028B (en) | 1994-04-20 |
GB2245028A (en) | 1991-12-18 |
BE1004764A3 (fr) | 1993-01-26 |
SE9101770D0 (sv) | 1991-06-11 |
GB9112490D0 (en) | 1991-07-31 |
JPH0524941U (ja) | 1993-04-02 |
ITMI911620A0 (it) | 1991-06-12 |
CA2044358A1 (en) | 1991-12-13 |
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