CN208718776U - 水泵及包括其的内燃机的冷却回路 - Google Patents

水泵及包括其的内燃机的冷却回路 Download PDF

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CN208718776U
CN208718776U CN201820999930.6U CN201820999930U CN208718776U CN 208718776 U CN208718776 U CN 208718776U CN 201820999930 U CN201820999930 U CN 201820999930U CN 208718776 U CN208718776 U CN 208718776U
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water pump
stator
ring body
rotor
chamber
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朱塞佩·洛·毕尤多
弗朗西斯科·帕兰特
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O.M.P.马佐科潘诺尼亚有限公司
Omp Mazokopanonia Co Ltd
O M P Officine Mazzocco Pagnoni Srl
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C2/3442—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
    • F04C14/226—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam by pivoting the cam around an eccentric axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2210/00—Fluid
    • F04C2210/10—Fluid working
    • F04C2210/1094—Water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2210/00—Fluid
    • F04C2210/20—Fluid liquid, i.e. incompressible
    • F04C2210/208—Water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2230/00—Manufacture
    • F04C2230/90—Improving properties of machine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/10—Stators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/802—Liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides
    • F05C2203/0804—Non-oxide ceramics
    • F05C2203/0808—Carbon, e.g. graphite
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2251/00—Material properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2251/00—Material properties
    • F05C2251/14—Self lubricating materials; Solid lubricants

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)

Abstract

本实用新型涉及一种水泵及包括其的内燃机的冷却回路。一种水泵(10)，包括：定子(12)、定子(12)内限定的腔室(13)、布置在所述腔室(13)内并且具有与定子(12)的径向内表面(12)接触的径向外表面(23b)的环体(23)以及布置在环体(23)内并且能够围绕旋转轴线(O)旋转的转子(14)。转子(14)设有多个叶片(18)，这些叶片能够沿各自的径向移动并且具有与环体(23)的径向内表面(23a)接触的相应径向外端(18a)。环体(23)由摩擦系数低于金属材料的摩擦系数的材料制成。

Description

水泵及包括其的内燃机的冷却回路
技术领域
本实用新型涉及一种水泵。
优选地，所述水泵用于汽车行业，特别是用于内燃机的冷却回路。
本实用新型还涉及一种包括所述水泵的内燃机的冷却回路。
背景技术
下面尤其是参照机动车辆的汽油或柴油内燃机而言，但应理解，所述内容普遍适用于不同类型的内燃机以及其他类型的车辆。
在任何情况下，上述水泵均可应用于汽车行业以外的其他行业来代替目前用于那些行业的水泵。
通常，为确保内燃机的恰当运行，有必要提供适于防止发动机过热的专用冷却回路。
冷却回路通常包括水泵，这种水泵通常由发动机轴的旋转来驱动。这种泵与发动机冷却管相关联，而这个发动机冷却管通常包括在发动机壳中、特别是在发动机的燃烧室壁上形成的空腔。通过发动机壳与通过水泵输送到所述冷却管路中的冷却水之间对流的热交换而发生发动机的冷却。
水泵还能用来冷却发动机的其他使用方，这些使用方与发动机并行布置。特定而言，在汽油或柴油内燃机的具体情况下，通过水泵输送的水还能传送到热交换器以调适内燃机的润滑回路中的润滑油，而在柴油内燃机的具体情况下，通过水泵输送的水还能传送到另一热交换器以冷却用于发动机的废气再循环的阀门。
通常用于内燃机冷却回路的水泵是离心泵。这些泵通常包括腔室和叶轮，这个叶轮容纳在腔室内并且适于将水通过相应的出口端口推向内燃机的冷却管路。
本申请人寻求一种常规水泵的替代解决方案，并且考虑在冷却回路中使用叶片式水泵，例如在汽车行业以外的其他行业中使用的那些叶片式水泵。
这类叶片式水泵包括定子、定子内限定的腔室以及转子，这个转子能够在所述腔室内围绕旋转轴线旋转并且设有能够沿各自径向移动并与定子的径向内表面接触的多个叶片。
为了限制叶片的径向外端与定子之间的摩擦并因此限制叶片和定子的径向内表面上的磨损，人们已知由碳石墨制成叶片和定子。
本申请人注意到，这种解决方案的缺陷是定子的成本过高。
本申请人考虑如何克服上述缺陷。
本申请人认识到，能够在叶片的径向外端与定子的径向内表面之间插入由低摩擦系数的材料制成的部件。
实用新型内容
有鉴于此，本实用新型在第一方面涉及一种水泵。
所述水泵包括定子、定子内限定的腔室以及转子，该转子能够在所述腔室内围绕旋转轴线旋转并且设有能够沿各自径向移动的多个叶片。
所述水泵的特征在于，其包括布置在所述腔室内相对于所述转子的径向外部位置的环体，其中所述环体具有与所述定子的径向内表面接触并且与所述叶片的径向外端接触的径向外表面，其中所述环体由摩擦系数低于金属材料的摩擦系数的材料制成。
有利地，在所述水泵中，叶片在低摩擦系数的部件(环体)上滑动。这就能够减轻叶片的磨损并且延长水泵的使用寿命。
本实用新型在第二方面涉及一种包括所述水泵的内燃机的冷却回路。
上述水泵和冷却回路的优选特征参阅从属权利要求。每个从属权利要求的特征能够单独使用或与其他从属权利要求中揭示的特征组合使用，除非明确排除。
优选地，这些叶片由非金属材料制成，例如碳石墨或者塑性、热塑性或热固性材料，有或无填料或添加剂。
更优选地，这些叶片由碳石墨制成。
优选地，转子由非金属材料制成，例如碳石墨或者塑性、热塑性或热固性材料，有或无填料或添加剂。
更优选地，该转子由碳石墨制成。
优选地，环体由非金属材料制成，例如碳石墨或者塑性、热塑性或热固性材料，有或无填料或添加剂。
更优选地，该环体由碳石墨制成。
所述环体能够与定子一体成型(例如，植入其上或与其共模成型)，即不能相对于定子旋转，或者所述环体能够因转子的旋转而借助叶片施加的推力来相对于定子旋转。
定子本身可以限定泵的外部主体或者是与泵的外部主体不同的部件。
定子能够由金属材料制成，例如铝或其合金或者钢或其合金，或者定子能够由非金属材料制成，例如碳石墨或者塑性、热塑性或热固性材料，有或无填料或添加剂。
定子优选由金属材料制成。在定子限定泵的外部主体时尤其如此。
如果环体可相对于定子旋转，则所述环体由摩擦系数低于金属材料的摩擦系数的材料制成就能够容许环体与垂直于转子的旋转轴线延伸的两个表面之间的摩擦，这两个表面以液压密封的方式与环体和叶片接触。
附图说明
根据下面参照附图且出于指示性和非限制性目的对优选实施方案作出的详细描述，本实用新型的其他特征和优点将显而易见。
图1示意性示出本实用新型的水泵的优选实施方案的剖视图。
具体实施方式
参照图1，该图示出根据本实用新型的水泵的第一种实施例。用10表示水泵。
水泵10具有固定的排量(或流量)。
水泵10配置成用于机动车辆的内燃机(优选汽油或柴油内燃机)的冷却回路。
泵10包括定子12，在其内部限定腔室13。
转子14设置在腔室13内。转子14可围绕旋转轴线O旋转并且设有以滑动方式容纳相应叶片18的多个径向空腔。为说明清楚起见，附图标记18仅与所示叶片中的两个叶片相关联。
叶片18以液压密封的方式与垂直于转子14的旋转轴线O的两个表面(图中未示)接触。
环体23径向插入定子12与转子14之间。环体23具有与定子12的径向内表面 12a接触的径向外表面23b。
环体23能够与定子12一体成型或者能够相对于定子12旋转。
叶片18的径向外端18a以液压密封的方式接触环体23的径向内表面23a。因此，在每对叶片18、环体23、转子14与所述垂直于转子14的旋转轴线O的表面之间限定出增压腔室24。为说明清楚起见，附图标记24仅与所示增压腔室中的一个增压腔室相关联。
定子12具有从抽吸管路(图中未示)通向增压腔室24的进水口(或进口) 13a以及从增压腔室24通向内燃机的出水口(或出口)13b，并且该泵体可能具有设置在水泵10下游的热交换器。
在转子14的旋转期间，水通过进水口13a流入的增压腔室24内的容积减小，从而达到使水通过出水口13b输送到发动机冷却回路所需的压力。
环体23由摩擦系数低于金属材料的摩擦系数的材料制成。
优选地，环体23由碳石墨制成。
替代地，环体23由塑性、热塑性或热固性材料制成，有或无填料或添加剂。
环体23能够与定子12一体成型(例如，植入其上)，或者环体23能够因转子14的旋转而借助叶片18施加的推力来相对于定子12旋转。
定子12能够由非金属材料制成，例如碳石墨或者塑性、热塑性或热固性材料，有或无填料或添加剂。
优选地，定子12由金属材料制成，例如，铝或其合金，或者钢或其合金。
叶片18和转子由非金属材料制成，优选碳石墨，或替选塑性、热塑性或热固性材料，有或无填料或添加剂。
为满足具体和实际的需要，本领域技术人员能够对上述水泵10作出诸多修改和变化，这些修改和变型全部涵于所附权利要求书的保护范围内。

Claims (8)

1.一种水泵(10)，包括：定子(12)、定子(12)内限定的腔室(13)以及转子(14)，该转子(14)能够在所述腔室(13)内围绕旋转轴线(O)旋转并且设有能够沿各自径向移动的多个叶片(18)，
其特征在于，
所述水泵(10)包括布置在所述腔室(13)内相对于所述转子(14)的径向外部位置的环体(23)，其中所述环体(23)具有与所述定子(12)的径向内表面(12a)接触并且与所述叶片(18)的径向外端(18a)接触的径向外表面(23b)，其中所述环体(23)由摩擦系数低于金属材料的摩擦系数的材料制成。
2.根据权利要求1所述的水泵(10)，其特征在于，所述环体(23)由碳石墨制成。
3.根据权利要求1所述的水泵(10)，其特征在于，所述环体(23)能够相对于所述定子(12)旋转。
4.根据权利要求1所述的水泵(10)，其特征在于，所述环体(23)与所述定子(12)一体成型。
5.根据权利要求1所述的水泵(10)，其特征在于，所述定子(12)由金属材料制成。
6.根据权利要求1所述的水泵(10)，其特征在于，所述定子(12)由塑性材料制成。
7.根据权利要求1所述的水泵(10)，其特征在于，所述叶片(18)和所述转子(14)由碳石墨制成。
8.一种内燃机的冷却回路，其特征在于其包括根据权利要求1所述的水泵(10)。
CN201820999930.6U 2017-06-27 2018-06-27 水泵及包括其的内燃机的冷却回路 Active CN208718776U (zh)

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