CN2430547Y - 车用变风量风扇 - Google Patents

车用变风量风扇 Download PDF

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Publication number
CN2430547Y
CN2430547Y CN00231327U CN00231327U CN2430547Y CN 2430547 Y CN2430547 Y CN 2430547Y CN 00231327 U CN00231327 U CN 00231327U CN 00231327 U CN00231327 U CN 00231327U CN 2430547 Y CN2430547 Y CN 2430547Y
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fan
driving disc
fan shaft
air quantity
vehicle
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Expired - Fee Related
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CN00231327U
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蔡学功
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    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/01—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/25—Automatic clutches actuated entirely mechanically controlled by thermo-responsive elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

一种车用自动变风量风扇,其主要构造为:一根端头制有螺纹的风扇轴上依次套装风扇毂、弹簧、主动盘、蜡式感温器,其中风扇毂通过轴承装于风扇轴上,其前端粘接有一环形磁铁,蜡式感温器用一套筒固定在风扇轴的前端。

Description

车用变风量风扇
本实用新型属于交通技术领域。
现代车用内燃机为增强散热器的散热效果，都装有散热风扇。风扇约消耗发动机功率的5-10％，实验表明汽车在行使过程中需要风扇工作的时间不到10％，其它时间风扇工作对内燃机工作有害无益。为此许多内燃机装有自动风扇离合器，根据实际需要控制风扇的转速，以控制风扇风量。不仅能减少风扇消耗的功率、节省燃油，而且能提高发动机的使用寿命，降低风扇引起的噪音。通常广泛采用的自动离合器有硅油式和电磁式两类。但这两类自动风扇离合器构造都较为复杂，制造要求高，工作可靠性较差。
本实用新型的目的是提供一种构造简单、制造方便、工作更加可靠的新型自动变风量风扇。
本实用新型的构造由风扇轴、感温器、主动盘、风扇毂、弹簧、磁铁、轴承等组成。其中风扇轴前端制有外螺纹并沿轴线铣出一段开口槽，风扇毂通过轴承装于风扇轴上，扇毂前端粘接环形磁铁，主动盘用键与风扇轴相联，感温器用带内螺纹的套筒固定在风扇轴前端，感温器由铜制外壳、石蜡、橡胶套、推杆组成，推杆外端固定一传力杆，传力杆顶在主动盘前端上。
工作原理：当发动机散热器后的气流温度低于设定温度时，感温器内的石蜡呈固态，体积较小，弹簧的推力使主动盘左移，推杆被推入橡胶套内，主动盘与环形磁铁之间的距离变大，主动盘与磁铁之间的磁力很小，因此当主动盘随风扇轴转动时，风扇的转速很低，当温度高于设定温度时，石蜡逐渐熔化变成液态，体积膨胀，迫使橡胶套收缩，对推杆产生推力。主动盘与磁铁之间距离变小，磁力增强，带动磁铁与风扇毂高速旋转，使风扇风量增大。从而根据发动机散热要求自动改变风扇的风量。
本实用新型与现有技术相比主要优点在于，主动部分与风扇毂之间在相对运动时并不直接接触，不会产生摩擦与磨损，其工作的可靠性和使用寿命大大增加，而且制造、安装非常简单、方便。
附图是本实用新型的结构图，图中：(1)感温器壳、(2)橡胶套、(3)推杆、(4)石蜡、(5)套筒、(6)键、(7)风扇叶、(8)粘接剂、(9)环形磁铁、(10)风扇毂、(11)轴承、(12)风扇轴、(13)弹性卡环、(14)弹簧、(15)主动盘、(16)传力杆。
本实用新型的各种零件都可用普通加工技术制造。

Claims (1)

  1. 一种车用自动变风量风扇，其特征在于：一根端头制有螺纹并开有槽的风扇轴上依次装有风扇毂、弹簧、主动盘、蜡式感温器，其中，风扇毂通过轴承装于风扇轴上，其前端面粘接有一环形永久磁铁，弹簧套在轴上，位于轴承内圈与主动盘之间，主动盘套在轴上用键与轴相联，并可沿轴向移动，蜡式感温器用套筒固定在轴前端，其上的推杆固定一传力杆，传力杆的端部顶在主动盘端面上。
CN00231327U 2000-03-31 2000-03-31 车用变风量风扇 Expired - Fee Related CN2430547Y (zh)

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CN00231327U CN2430547Y (zh) 2000-03-31 2000-03-31 车用变风量风扇

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Application Number Priority Date Filing Date Title
CN00231327U CN2430547Y (zh) 2000-03-31 2000-03-31 车用变风量风扇

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CN2430547Y true CN2430547Y (zh) 2001-05-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100386509C (zh) * 2005-11-16 2008-05-07 潍柴动力股份有限公司 发动机风扇防护装置
CN104314662A (zh) * 2014-09-15 2015-01-28 江苏大学 一种可调节排风量的电磁驱动变叶片角度风扇
IT201600122590A1 (it) * 2016-12-02 2018-06-02 Piaggio & C Spa Sistema di raffreddamento per motori

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100386509C (zh) * 2005-11-16 2008-05-07 潍柴动力股份有限公司 发动机风扇防护装置
CN104314662A (zh) * 2014-09-15 2015-01-28 江苏大学 一种可调节排风量的电磁驱动变叶片角度风扇
CN104314662B (zh) * 2014-09-15 2017-06-27 江苏大学 一种可调节排风量的电磁驱动变叶片角度风扇
IT201600122590A1 (it) * 2016-12-02 2018-06-02 Piaggio & C Spa Sistema di raffreddamento per motori
WO2018100163A1 (en) * 2016-12-02 2018-06-07 Piaggio & C. S.P.A Cooling system for engines
TWI738933B (zh) * 2016-12-02 2021-09-11 義大利商比雅久股份有限公司 內燃機之冷卻系統及具有此冷卻系統之摩托車

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