CN1171485A - 内燃机用气流旋涡装置及其制造方法 - Google Patents
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Abstract
一种内燃机用气流旋涡装置及其制造方法。为提供一种制造、安装、使用方便、成本低、能避免空气流动量减少、使用性能好的内燃机用气流旋涡装置及其制造方法,提出本发明,装置为内壁均布设有与其一体成型并由其表面向轴线方向折弯的复数片叶片的圆筒。制造方法为将单张可弯曲的柔性板材制成具有轴向切口、上、下端及侧壁圆筒;在圆筒侧壁部作两侧以上的切口,并以未切割侧边为轴线由圆筒表面向轴线方向折弯而形成复数静止叶片。
Description
本发明属于内燃机可燃混合物供给系统辅助装置及其制造方法,特别是一种内燃机用气流旋涡装置及其制造方法。
为提高内燃机的输出功率,降低燃油消耗,通常以机械涡轮增压器或吹风机改进燃油与空气混合。这种方法虽能提高内燃机的输出功率,但安装这种硬体不仅价格昂贵,而且需要熟练的技术人员从事安装及维修。
为此公开了各种结构简单、使用方便、价格低廉的气体旋涡器。如美国专利第4,962,642提出了一种空气流动装置,它包括具有设于空气过滤器中心轴线周围而引起进入空气旋涡的复数叶片的固定子装置。这种固定子装置的剖面相当大,在很大程度上妨碍了内燃机空气进入口,从而引起固定子装置下流侧压力降低,导致空气进入量减少。
美国专利第4,274,386号提出了一种静止燃料汽化固定子,它含有一薄板设置于内燃机汽化器和进入岐管的开口之间,薄板设有贯穿孔,其外径与汽化器和进入岐管之间的开一致,并在开口周围设置复数三角形叶片,以增加燃料空气混合体的搅乱程度,同时将混合体中剩余液体导向薄板开口中心。这种装置只能用于具有汽化器的内燃机,且需配备多种形式,以适应各种品牌年型的具有汽化器的内燃机。
美国专利第5,113,838号提出了一种空气旋涡固定子装置,适用于装设在空气过滤器中心轴线方向,固定子装置是中空筒体,而且有突入圆筒体的复数叶片,以使进入的空气作旋涡动作。这种固定子装置与环状空气过滤器组合而起作用。为能嵌入适当位置而要求具有特别的尺寸形状。此外,这种固定子装置较难制造,每片叶片需分别制作,且须以特别角度位置分别固定安装在固定子圆筒形外壳内壁。在制作过程中需数次切割及安装才能完成。
目前市场供应的旋涡装置通常是以复数个构件在现场以焊接拼装组合而成,成本较高。
本发明的目的是提供一种制造、安装、使用方便、成本低、能避免空气流动量减少、使用性能好的内燃机用气流旋涡装置及其制造方法。
本发明的装置为由可弯曲的柔性板材制成至少有一端敞开的中空圆筒,在圆筒内壁均布设有与圆筒一体成形并向圆筒轴线方向放射状折弯的复数片叶片,每片叶片与圆筒轴线成斜角以使贯通过圆筒的空气流方向转弯。
本发明的制造方法是将单张可弯曲的柔性板材制成具有轴向开口的圆筒形体,令其具有上、下敞开端及侧壁;在圆筒侧壁部作两侧以上的切口,并以未切割侧边为轴线由圆筒表面向轴线方向折弯而形成复数静止叶片。
由于本发明的装置为由可弯曲的柔性板材制成至少有一端敞开的中空圆筒,在圆筒内壁均布设有与圆筒一体成形并向圆筒轴线方向放射状折弯的复数片叶片,每片叶片与圆筒轴线成斜角以使贯通过圆筒的空气流方向转弯;本发明的方法是将单张可弯曲的柔性板材制成约成圆筒形体,令其具有第一及第二敞开端及侧壁;由圆筒侧壁部切开而折弯形成复数静止叶片,每片叶片由平面折弯而呈现内凹面使空气流贯穿本装置。不仅制造容易、安装简单、使用方便、成本低,并且不会减少进入内燃机的空气进入量,避免因空气流动量减少而导致的不良后果,使用性能好,从而达到本发明的目的。
图1、为本发明装置实施例一结构示意立体图。
图2、为本发明装置实施例二结构示意立体图(菱形叶片)。
图3、为本发明装置实施例二结构示意仰视图(菱形叶片)。
图4、为本发明装置实施例二结构示意立体图(梯形叶片)。
图5、为本发明装置实施例二结构示意仰视图(梯形叶片)。
图6、为本发明装置实施例三分解结构示意立体图。
下面结合附图对本发明进一步详细阐述。
实施例一
如图1所示,本发明的装置为由可弯曲的柔性板材,如不锈钢板制成具有上、下敞开端11、12的中空圆筒13,圆筒13的上、下敞开端11、12与圆13的轴线垂直;圆筒13的侧壁设有沿螺旋方向延伸的轴向开口14,并令轴向开口14两边构成重叠量可自由伸缩的重叠的轴向接口,使圆筒13具有可调外径,以将圆筒13装入不同尺寸的节流器体的开口上;在圆筒13的上敞开端11沿圆筒13周围均布设有与圆筒13一体成形并向圆筒13轴线方向放射状折弯并具有扭曲内凹的内凹面的复数片叶片15,叶片1 5呈三角形,叶片15由沿圆筒13边缘切割成复数三角突翼,并由圆筒13表面向轴线折弯而成,并以切去自由端151的尖端,或将尖端对角切成方形,或折弯回至自身上,或扭曲成螺旋状,或将锐端稍削成圆状对叶片自由端151进行修整,使叶片15的自由端151呈圆弧状;每片叶片15与圆筒13的轴线成斜角以使贯通过圆筒13的空气流方向转弯。在圆筒13下敞开端12设有为复数个突耳16的固定结构,并在突耳16上设有与汽化器体上螺孔同轴线的螺孔161。
实施例二
如图2、图3、图4、图5所示,本发明的装置为由可弯曲的柔性板材,如不锈钢板制成具有上、下敞开端21、22的中空圆筒23,圆筒23的上、下敞开端21、22与圆筒23的轴线垂直;圆筒23侧壁设有沿螺旋方向延伸的轴向开口24,并令轴向开口24两边构成重叠量可自由伸缩的重叠的轴向接口,使圆筒23具有可调外径,以将圆筒23装入不同尺寸的节流器体的开口上;在圆筒23的下敞开端22设有为复数个突耳25的固定结构,并在突耳25上设有与汽化器体上螺孔同轴线的螺孔251;圆筒23内壁均布设有与圆筒23一体成形并由圆筒23表面向圆筒23轴线方向放射状折弯并具有扭曲内凹的内凹面的复数片呈三角形、梯形,最好为菱形的叶片26;叶片26为在圆筒23侧壁作三侧切口弯折而成梯形或菱形的突翼,其顶、底侧切口与圆筒的顶、底缘平行,第三侧切口为顺顶侧切口及底侧切口末端间制作,未切的第四侧延伸于顶侧切口及底侧切口的前端,并构成与圆筒轴线成斜角的折弯轴线;如图4、图5所示,形成的梯形突翼以未切的第四侧为轴线以放射状向内折弯成梯形叶片26,梯形叶片26顶缘切口的长度大约与圆筒23的半径相同,并令其锐角自由端261(尖端)向内并向圆筒23上敞开端21的轴线卷折。使叶片26呈现面对轴线方向的空气流,而以斜角插入空气流方向;以切去尖端,或将尖端对角切成方形,或折弯回至自身上,或扭曲成螺旋状,或将锐端稍削成圆状对叶片26的自由端261进行修整,使叶片26的自由端26呈圆弧状;如图2、图3所示,形成的菱形突翼以未切的第四侧为轴线顺与第四侧及第三侧平行的方向以放射状向内折弯成菱形叶片26,菱形叶片26顶缘及底缘切口的长度大约与圆筒23的半径相同,并令其锐角自由端261(尖端)向内并向圆筒23上敞开端21的轴线卷折。使叶片26呈现面对轴线方向的空气流,而以斜角插入空气流方向;以切去尖端,或将尖端对角切成方形,或折弯回至自身上,或扭曲成螺旋状,或将锐端稍削成圆状对叶片26的自由端261进行修整,使叶片26的自由端261呈圆弧状。
实施例三
如图6所示,本发明的装置为由可弯曲的柔性板材,如不锈钢板制成具有上封闭端31及下敞开端32的中空圆筒33,圆筒33的上封闭端31及下敞开端32与圆筒33的轴线垂直,在上封闭端31上设有允许节流器体4上螺杆41穿设有中心通孔311,圆筒33侧壁设有沿螺旋方向延伸的轴向开口34,并令轴向开口34两边构成重叠量可自由伸缩的重叠的轴向接口,使圆筒33具有可调外径,以将圆筒33装入不同尺寸的节流器体4的开口42上;在圆筒33的下敞开端32设有为复数个突耳35的固定结构,并在突耳35上设有与汽化器体4上螺孔43同轴线的螺孔351;圆筒33内壁均布设有与圆筒33一体成形并向圆筒33轴线方向放射状折弯的复数片呈长方形的叶片36,叶片36具有扭曲内凹的内凹面;叶片36为在圆筒33侧壁作三侧切口弯折而形成长方形突翼,其顶、底侧切口与圆筒的顶、底缘平行,第三侧切口为顺顶侧切口及底侧切口末端间制作,并与顶、底侧切口垂直,未切的第四侧延伸于顶侧切口及底侧切口的前端并与圆筒轴线平行,以未切的第四侧为轴线以放射状向内折弯成叶片36,并将叶片36自近下敞开端32向上封闭端31方向切除楔角,使叶片36近上封闭端31侧缘的长度长于近下敞开端32侧缘的长度。
安装本装置时,当安装在空气进入管内时,以凸耳16(25、35)与空气进入管内表面摩擦卡住,并令压缩嵌入空气进入管内的圆筒13(23、33)以螺旋状弹簧的作用扩展,迫使凸耳16(25、35)向外卡住空气进入管。
当安装在汽化器节流体4上时,将圆筒13(23、33)展开合在节流器体4的开口42的突缘上,并令圆筒13(23、33)以螺旋状弹簧的作用收缩而迫使圆筒13(23、33)与节流器体4摩擦嵌合,并旋转圆筒13(23、33),使其上螺孔161(251、351)与节流器体4上螺孔43同轴线,并以穿设在凸耳16(25、35)上螺孔161(251、351)与节流器体4上的螺孔43内的螺钉固定。此外,亦可以夹具、托架等固定装置安装本装置。
本发明的制造方法是将单张可弯曲的柔性板材制成具有轴向开口圆筒形体,令其具有上、下端及侧壁,其上、下端可皆为敞开端,亦可在将上端封闭,使其具有上封闭端及下敞开端,并在上封闭端设置中心螺孔;在圆筒侧壁部作两侧的切口,构成三角形突翼,亦可作三侧切口,构成梯形、菱形或长方形突翼,并以未切割侧边为轴线由圆筒表面向轴线方向折弯而形成复数静止叶片,可以亦可以相反方向折弯,使通过本装置进入空气流被叶片偏弯成顺时针方向,使空气流以顺时针方向旋转或旋涡;在圆筒的下敞开端沿圆筒周壁切开成双的轴向小切口,形成复数个等间隔的凸翼,然后将凸翼以放射状向外侧方向相对圆筒的轴线弯曲成90°以构成作为固定结构的凸耳,并在凸耳上设置与与节流器体上螺孔同轴线的螺孔。
Claims (25)
1、一种内燃机用气流旋涡装置,其特征在于它为由可弯曲的柔性板材制成至少有一端敞开的中空圆筒,在圆筒内壁均布设有与圆筒一体成形并由圆筒表面向轴线方向放射状折弯的复数片叶片,每片叶片与圆筒轴线成斜角以使贯通过圆筒的空气流方向转弯。
2、根据权利要求1所述的内燃机用气流旋涡装置,其特征在于所述的圆筒侧壁设有轴向开口,并令轴向开口两边构成重叠的轴向接口。
3、根据权利要求1或2所述的内燃机用气流旋涡装置,其特征在于所述的轴向开口沿螺旋方向延伸。
4、根据权利要求1或2所述的内燃机用入口空气旋涡装置,其特征在于所述的由轴向开口两边构成的重叠的轴向接口为重叠量可自由伸缩轴向接口。
5、根据权利要求1或2所述的内燃机用气流旋涡装置,其特征在于所述的圆筒的上、下端与圆筒的轴线垂直;与圆筒一体的叶片由至少两条由圆筒侧壁切割出的切口构成的突翼,并由圆筒表面向轴线折弯而成。
6、根据权利要求1或2所述的内燃机用气流旋涡装置,其特征在于所述的圆筒的上、下端分别为上、下敞开端。
7、根据权利要求1或2所述的内燃机用气流旋涡装置,其特征在于所述的圆筒的上、下端分别为上封闭端及下敞开端。
8、根据权利要求6所述的内燃机用气流旋涡装置,其特征在于所述的叶片呈三角形并沿圆筒的一个敞开端周围均布。
9、根据权利要求6所述的,其特征在于所述的叶片呈梯形并沿圆筒两端间的侧壁周围均布。
10、根据权利要求6所述的内燃机用气流旋涡装置,其特征在于所述的叶片呈菱形并沿圆筒两端间的侧壁周围均布。
11、根据权利要求7所述的内燃机用气流旋涡装置,其特征在于所述的叶片呈长方形并沿圆筒两端间的侧壁周围均布。
12、根据权利要求8所述的内燃机用气流旋涡装置,其特征在于所述的呈三角形并沿圆筒一端周围均布的叶片由可弯曲成圆筒的柔性板材一侧边缘切割成复数三角突翼,并由圆筒表面向轴线折弯而成。
13、根据权利要求9所述的内燃机用气流旋涡装置,其特征在于所述的叶片为在圆筒侧壁作三侧切口弯折而成梯形的突翼,其顶、底侧切口与圆筒的顶、底缘平行,第三侧切口为顺顶侧切口及底侧切口末端间制作,未切的第四侧边延伸于顶侧切口及底侧切口的前端,并构成与圆筒轴线成斜角的折弯轴线;形成的梯形突翼以未切的第四侧边为轴线以放射状向内折弯成梯形叶片。
14、根据权利要求10所述的内燃机用气流旋涡装置,其特征在于所述的叶片为在圆筒侧壁作三侧切口弯折而成菱形的突翼,其顶、底侧切口与圆筒的顶、底缘平行,第三侧切口为顺顶侧切口及底侧切口末端间制作,未切的第四侧边延伸于顶侧切口及底侧切口的前端,并构成与圆筒轴线成斜角的折弯轴线;形成的菱形突翼以未切的第四侧边为轴线顺与第四侧边及第三侧切口平行的方向以放射状向内折弯成菱形叶片。
15、根据权利要求11所述的内燃机用气流旋涡装置,其特征在于所述的叶片为在圆筒侧壁作三侧切口弯折而成长方开的突翼,其顶、底侧切口与圆筒的顶、底缘平行,第三侧切口为顺顶侧切口及底侧切口末端间制作,并与顶、底侧切口垂直,未切的第四侧边延伸于顶侧切口及底侧切口的前端并与圆筒轴线平行,并构成与圆筒轴线平行的折弯轴线,以未切的第四侧边为轴线平行向内折弯成长方形叶片。
16、根据权利要求15所述的内燃机用气流旋涡装置,其特征在于所述形成的长方形突翼被自近下敞开端向上封闭端方向切除楔角,使长方形突翼近上封闭端侧缘长度长于近下敞开端侧缘长度。
17、根据权利要求1或2所述的内燃机用气流旋涡装置,其特征在于所述的与圆筒一体成形并由圆筒表面向轴线方向放射状折弯而成的叶片具有扭曲内凹的内凹面。
18、根据权利要求1或2所述的内燃机用气流旋涡装置,其特征在于所述的叶片的自由端呈圆弧状。
19、根据权利要求1或2所述的内燃机用气流旋涡装置,其特征在于所述的圆筒下敞开端设有固定结构。
20、根据权利要求19所述的内燃机用气流旋涡装置,其特征在于所述的固定结构为设在圆筒下敞开端的复数个突耳,并在突耳上设有与汽化器体上螺孔同轴线的螺孔。
21、根据权利要求13所述的内燃机用气流旋涡装置,其特征在于所述梯形叶片顶缘切口的长度大约与圆筒的半径相同。
22、根据权利要求14所述的内燃机用气流旋涡装置,其特征在于所述的菱形叶片顶缘及底缘切口的长度大约与圆筒的半径相同。
23、一种内燃机用气流旋涡装置的制造方法,其特征在于它是将单张可弯曲的柔性板材制成具有轴向切口的圆筒形体,令其具有上、下敞开端及侧壁;在圆筒侧壁部作两侧以上的切口,并以未切割侧边为轴线由圆筒表面向轴线方向折弯而形成复数静止叶片。
24、根据权利要求23所述的内燃机用气流旋涡装置的制造方法,其特征在于可将所述的上端封闭,使其具有上封闭端及下敞开端,并在上封闭端设置中心螺孔。
25、根据权利要求23、24所述的内燃机用气流旋涡装置的制造方法,其特征在于在所述的圆筒的下敞开端沿圆筒周壁切开成双的轴向小切口,形成复数个等间隔的凸翼,然后将凸翼以放射状向外侧方向相对圆筒的轴线弯曲成90°以构成作为固定结构的凸耳,并在凸耳上设置与与节流器体上螺孔同轴线的螺孔。
Applications Claiming Priority (2)
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US61828496A | 1996-03-18 | 1996-03-18 | |
US08/618,284 | 1996-03-18 |
Publications (1)
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CN1171485A true CN1171485A (zh) | 1998-01-28 |
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CN97100879A Pending CN1171485A (zh) | 1996-03-18 | 1997-03-17 | 内燃机用气流旋涡装置及其制造方法 |
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US (1) | US6536420B1 (zh) |
CN (1) | CN1171485A (zh) |
AU (1) | AU2339497A (zh) |
WO (1) | WO1997035107A1 (zh) |
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CN112739451A (zh) * | 2018-09-20 | 2021-04-30 | 诺拉姆国际公司 | 流体混合装置 |
Also Published As
Publication number | Publication date |
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WO1997035107A1 (en) | 1997-09-25 |
AU2339497A (en) | 1997-10-10 |
US6536420B1 (en) | 2003-03-25 |
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