WO2009003349A1 - A body of an air-cooling diesel engine - Google Patents

A body of an air-cooling diesel engine Download PDF

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Publication number
WO2009003349A1
WO2009003349A1 PCT/CN2008/000653 CN2008000653W WO2009003349A1 WO 2009003349 A1 WO2009003349 A1 WO 2009003349A1 CN 2008000653 W CN2008000653 W CN 2008000653W WO 2009003349 A1 WO2009003349 A1 WO 2009003349A1
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WO
WIPO (PCT)
Prior art keywords
air
cylinder block
cylinder
diesel engine
crankcase
Prior art date
Application number
PCT/CN2008/000653
Other languages
French (fr)
Chinese (zh)
Inventor
Henglin Xiao
Original Assignee
Wuxi Kipor Power Co., Ltd.
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Filing date
Publication date
Application filed by Wuxi Kipor Power Co., Ltd. filed Critical Wuxi Kipor Power Co., Ltd.
Publication of WO2009003349A1 publication Critical patent/WO2009003349A1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00Air cooling
    • F01P1/02Arrangements for cooling cylinders or cylinder heads, e.g. ducting cooling-air from its pressure source to cylinders or along cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00Air cooling
    • F01P1/06Arrangements for cooling other engine or machine parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • F02F1/02Cylinders; Cylinder heads  having cooling means
    • F02F1/04Cylinders; Cylinder heads  having cooling means for air cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • F02F1/02Cylinders; Cylinder heads  having cooling means
    • F02F1/04Cylinders; Cylinder heads  having cooling means for air cooling
    • F02F1/06Shape or arrangement of cooling fins; Finned cylinders

Definitions

  • the present invention relates to a tilt cylinder engine, and more particularly to a body of a small air-cooled diesel engine, and belongs to the technical field of power plants. Background technique
  • a small air-cooled diesel engine generally adopts an open cooling air passage near the cylinder block, and is cooled by a fan or a natural wind. In this way, the cooling air flow passage and the flow distribution are uncontrollable, the cooling effect is poor, and the noise is relatively low. Large, affecting the use of the engine. Summary of the invention
  • the technical problem to be solved by the present invention is to provide an engine body cooling device with a cooling air flow passage and a flow distribution controllable, a good cooling effect, and a low noise.
  • a body of an air-cooled diesel engine including a cylinder block, a crankcase, a pusher chamber, a wind deflector, and the like.
  • An air duct is disposed on each side of the cylinder body, and the air duct is a ventilation chamber formed by a wind deflector integrated with the crankcase on both sides of the cylinder body and a heat sink on the cylinder block and the cylinder body, and the ventilation chamber Located on the upper and lower sides of the cylinder.
  • the cylinder block, the crankcase, the air deflector, and the heat sink are integrally formed by casting techniques.
  • the pusher chamber is located on the upper side of the inclined cylinder, and the cross section is a rectangular cavity with rounded corners, which is relatively independent.
  • the inner wall and the upper part of the cylinder block form a cavity through which the cooling air passes to isolate the push rod from the cylinder body, forming an air deflector having both guiding cooling air and a heat shielding effect on the push rod.
  • Hot plate A lower air deflector is arranged on the lower side of the cylinder block.
  • the air deflector is parallel to the cylinder surface and extends from the top of the cylinder body toward the crankcase and is in communication with the structure.
  • the air deflector parallels the lower side of the cylinder body to the cylinder center line.
  • the top ends of the arranged fins are joined together to form a grid structure, which constitutes another duct on the underside of the cylinder.
  • the air deflector is also connected to the starter motor connecting plate near the crankcase end.
  • the starter motor connecting plate is arranged below the tilting cylinder body away from the crankcase end cover side, and the connecting plane is perpendicular to the crankshaft center line.
  • the air deflector on the lower side of the cylinder is connected to the starter motor connecting plate and the crankcase structure to form a penetrating body reinforcing structure, and the installation of the starter motor can fully utilize the space in the lower portion of the tilting cylinder.
  • the ventilating chambers on both sides of the cylinder block are closed chambers with inlets and outlets.
  • the cooling air pressurized by the wind impeller is forcedly cooled by the ventilating chamber according to the guiding route of the body.
  • the geometry of the ventilation chamber and the shape of the air deflector make the flow of the cooling air flow more reasonable, and the cooling at the high temperature surface such as the cylinder block and the lubricating oil pool is more sufficient, and the cooling effect is enhanced;
  • the inner wall of the push rod and the upper part of the cylinder block form a cavity through which the cooling air passes to form a heat shield against the push rod, which can protect the push rod from being excessively expanded due to the strong heating of the cylinder block (because the push rod is a valve drive transmission)
  • the part with the largest linear dimension in the chain has the greatest influence on the change of the valve clearance. Therefore, this design can reduce the cold valve clearance and reduce the impact strength between the valve-driven parts during the initial cold start of the engine. Helps reduce mechanical noise.
  • the manufacturing scheme that integrates the crankcase, the air deflector, and the heat sink by the casting method also reduces the number of parts of the engine, makes the engine assembly easier, has a more compact structure, is more reliable, and is more compact.
  • Figure 1 is a schematic cross-sectional view of an engine of the present invention.
  • Fig. 2 is a cross-sectional view taken along line A-A of the fuel injection pump of Fig. 1.
  • Fig. 3 is a view showing the removal of the main hood and the wind impeller, etc., to the rear of the crankshaft axis.
  • Figure 4 is a schematic view of the noise-insulated outdoor enclosure and muffler removed from the opposite direction of the view of Figure 3.
  • Figure 5 is a cross-sectional view taken along line D-D of Figure 4.
  • the air-cooled diesel engine body comprises a cylinder block 1, a crankcase 2, a pusher chamber 4, a wind deflector 6, a starter motor connecting plate 20, and an independent air duct is disposed on both sides of the cylinder block 1, the wind
  • the track is cylinder 1
  • the air guiding plate 6 integrally formed with the crankcase 2 on both sides and the ventilating cavity 13 formed by the heat sink 7 on the cylinder block 1 and the cylinder block 1 are located on the upper and lower sides of the cylinder block 1.
  • cooling air enters from the inlet of the main hood 9, is pressurized by the wind impeller 10, and the cooling air is sent out through the volute passage.
  • the cooling air is guided through the ventilation chamber 13 (a, b) to cool the cylinder 1, and also through the cylinder head ventilation chamber 14
  • the cylinder head 5 is cooled, and finally enters the soundproofing chamber 11 on the crankcase end cover 18, blows through the muffler 12, and is discharged from the exhaust port 15.
  • Another cooling air passes from the lower portion of the main hood 9 through the ventilating chamber 13c into the venting chamber surrounded by the bottom hood 8 and the lubricating oil pool 17, while passing through the venting chambers 13d and 13e, blowing through the lower surface of the lubricating oil pool 17 and
  • the two sides cool the oil 16 accommodated therein, and then enter the soundproofing chamber 11, through the space formed between the muffler 12 and the crankcase end cover 18, the muffler 12 and the crankcase end cover 18 are cooled, and the hot air is discharged from the exhaust port 15.
  • a rear air deflector 19 is disposed on the crankcase end cover 18 corresponding to the position of the venting chamber 13b, which can force the cooling air passing through the venting chamber 13b to be steered through the surface of the cylinder block 1 which is not easily blown to the leeward side. A, take more heat and make the temperature around the cylinder more close.
  • the inner wall of the pusher chamber 4 (i.e., the air deflector 6a) separates the push rod 3 from the cylinder block 1 to guide the flow of the cooling air and to isolate the heat transfer between the cylinder block 1 and the push rod 3.
  • the wind deflector 6a on the lower side of the cylinder, the starter motor connecting plate 20, and the crankcase 2 are combined to form a reinforcing structure that penetrates the body, which greatly improves the rigidity of the body.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

A body of an air-cooling diesel engine includes a cylinder block (1), a crankcase (2), a push rod chamber (4), and a lubricating system, wherein the both sides of the cylinder block (1) are provided with independent air passages, and the air passages are ventilating chambers which are constituted by air deflector (6) and cylinder block (1) and radiating fins of the cylinder block (1). The body of the air-cooling diesel engine can decrease the components of the engine, and enhance the reliability.

Description

一种风冷柴油机的机体 技术领域  Air-cooled diesel engine body
本发明涉及一种斜缸式发动机, 特别是涉及小型风冷柴油机的机体, 属 于动力装置技术领域。 背景技术  The present invention relates to a tilt cylinder engine, and more particularly to a body of a small air-cooled diesel engine, and belongs to the technical field of power plants. Background technique
发动机的气缸部位发热量大, 温度高, 要求及时散热、 冷却, 才能保证 发动机良好的工作状态和长久的使用寿命。传统技术中, 小型风冷柴油发动 机一般采用在缸体附近设置敞开式冷却风道, 利用风扇或自然风进行冷却, 这种方式冷却气流流动通道及流量分配不可控制,冷却效果较差、噪声较大, 影响发动机的使用效果。 发明内容  The cylinder part of the engine generates a large amount of heat and a high temperature, requiring timely heat dissipation and cooling to ensure a good working condition and a long service life of the engine. In the conventional technology, a small air-cooled diesel engine generally adopts an open cooling air passage near the cylinder block, and is cooled by a fan or a natural wind. In this way, the cooling air flow passage and the flow distribution are uncontrollable, the cooling effect is poor, and the noise is relatively low. Large, affecting the use of the engine. Summary of the invention
本发明所要解决的技术问题是提供一种冷却气流流动通道及流量分配均 可控制、 冷却效果好、 噪音低的发动机机体冷却装置。  The technical problem to be solved by the present invention is to provide an engine body cooling device with a cooling air flow passage and a flow distribution controllable, a good cooling effect, and a low noise.
本发明的技术方案是: 一种风冷柴油机的机体, 包括缸体、 曲轴箱、 推 杆室、 导风板等。 所述缸体两侧设置有独立的风道, 所述风道为缸体两侧与 曲轴箱成一体的导风板与缸体及缸体上的散热片组成的通风腔, 所述通风腔 位于缸体的上下两侧。 所述缸体、 曲轴箱、 导风板、 散热片用铸造技术制成 一个整体。 推杆室位于在倾斜缸体的上侧, 横断面为四角倒圆的矩形空腔, 相对独立。 它的内壁与气缸体上部形成一个让冷却风通过的空腔将推杆与缸 体隔离开来, 形成了既具有引导冷却风作用的导风板, 又具有对推杆起热屏 蔽作用的隔热板。 缸体的下侧专门设置了一个导风板, 导风板与缸体表面平 行, 从缸体顶面向曲轴箱延伸并与之结构连通, 导风板将缸体下侧垂直于气 缸中心线平行布置的散热片的顶端连在一起, 形成栅格结构, 构成了缸体下 侧的另一个风道。 导风板靠近曲轴箱一端还与起动电机连接板相连, 该起动 电机连接板布置在倾斜缸体的下方远离曲轴箱端盖一侧, 其连接平面垂直于 曲轴中心线。 缸体下侧的导风板与起动电机连接板及曲轴箱结构相连, 形成 贯通的机体强化构造,并使起动电机的安装能充分利用倾斜缸体下部的空间。 与现有技术相比, 本发明的有益效果是: The technical solution of the present invention is: A body of an air-cooled diesel engine, including a cylinder block, a crankcase, a pusher chamber, a wind deflector, and the like. An air duct is disposed on each side of the cylinder body, and the air duct is a ventilation chamber formed by a wind deflector integrated with the crankcase on both sides of the cylinder body and a heat sink on the cylinder block and the cylinder body, and the ventilation chamber Located on the upper and lower sides of the cylinder. The cylinder block, the crankcase, the air deflector, and the heat sink are integrally formed by casting techniques. The pusher chamber is located on the upper side of the inclined cylinder, and the cross section is a rectangular cavity with rounded corners, which is relatively independent. The inner wall and the upper part of the cylinder block form a cavity through which the cooling air passes to isolate the push rod from the cylinder body, forming an air deflector having both guiding cooling air and a heat shielding effect on the push rod. Hot plate. A lower air deflector is arranged on the lower side of the cylinder block. The air deflector is parallel to the cylinder surface and extends from the top of the cylinder body toward the crankcase and is in communication with the structure. The air deflector parallels the lower side of the cylinder body to the cylinder center line. The top ends of the arranged fins are joined together to form a grid structure, which constitutes another duct on the underside of the cylinder. The air deflector is also connected to the starter motor connecting plate near the crankcase end. The starter motor connecting plate is arranged below the tilting cylinder body away from the crankcase end cover side, and the connecting plane is perpendicular to the crankshaft center line. The air deflector on the lower side of the cylinder is connected to the starter motor connecting plate and the crankcase structure to form a penetrating body reinforcing structure, and the installation of the starter motor can fully utilize the space in the lower portion of the tilting cylinder. Compared with the prior art, the beneficial effects of the present invention are:
1、缸体两侧的通风腔是具有设定入口和出口的封闭的腔道,经过风叶轮 加压的冷却空气通过通风腔按照其导引的途径对机体各散热表面进行强制冷 却, 适当配置通风腔的几何尺寸及导风板的形态使得冷却气流的流量分配得 更合理, 缸体、 润滑油池等高温表面处的冷却更充分, 冷却效果得到增强;  1. The ventilating chambers on both sides of the cylinder block are closed chambers with inlets and outlets. The cooling air pressurized by the wind impeller is forcedly cooled by the ventilating chamber according to the guiding route of the body. The geometry of the ventilation chamber and the shape of the air deflector make the flow of the cooling air flow more reasonable, and the cooling at the high temperature surface such as the cylinder block and the lubricating oil pool is more sufficient, and the cooling effect is enhanced;
2、推杆室内壁与气缸体上部形成一个让冷却风通过的空腔对推杆形成热 屏蔽, 可以保护推杆不因缸体对其强烈的加热而过度膨胀(因推杆是气门驱 动传动链中线性尺寸最大的零件,其热膨胀量对气门间隙变化影响最大),因 而此种设计方案可以减小冷态气门间隙, 降低发动机起动初期冷车运转时气 门驱动零件之间的冲击强度, 有利于降低机械噪声。  2. The inner wall of the push rod and the upper part of the cylinder block form a cavity through which the cooling air passes to form a heat shield against the push rod, which can protect the push rod from being excessively expanded due to the strong heating of the cylinder block (because the push rod is a valve drive transmission) The part with the largest linear dimension in the chain has the greatest influence on the change of the valve clearance. Therefore, this design can reduce the cold valve clearance and reduce the impact strength between the valve-driven parts during the initial cold start of the engine. Helps reduce mechanical noise.
3、由缸体下侧的导风板、起动电机连接板和曲轴箱三者联合形成贯通的 机体强化构造, 大大加强了机体的结构刚性, 有利于降低整机噪声;  3. The air deflector on the lower side of the cylinder block, the starter motor connecting plate and the crankcase are combined to form a through-body reinforcement structure, which greatly enhances the structural rigidity of the body and is beneficial to reduce the noise of the whole machine;
此外, 将曲轴箱、 导风板、 散热片用铸造方法制成一体的制造方案还减 少了发动机的零件数量, 使发动机装配更简便, 结构更紧凑, 可靠性更高, 更趋于小型化。 附图说明  In addition, the manufacturing scheme that integrates the crankcase, the air deflector, and the heat sink by the casting method also reduces the number of parts of the engine, makes the engine assembly easier, has a more compact structure, is more reliable, and is more compact. DRAWINGS
图 1是本发明的发动机横剖面示意图。  BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic cross-sectional view of an engine of the present invention.
图 2是将图 1中喷油泵拆除后的 A-A剖视图。  Fig. 2 is a cross-sectional view taken along line A-A of the fuel injection pump of Fig. 1.
图 3是将主导风罩和风叶轮等拆除后面对曲轴轴线的视图。  Fig. 3 is a view showing the removal of the main hood and the wind impeller, etc., to the rear of the crankshaft axis.
图 4是从图 3视图的相反方向看,拆去隔音隔热室外罩壳和***后的 示意图。  Figure 4 is a schematic view of the noise-insulated outdoor enclosure and muffler removed from the opposite direction of the view of Figure 3.
图 5是图 4中的 D-D剖视图。  Figure 5 is a cross-sectional view taken along line D-D of Figure 4;
图中: (1 )缸体, (2) 曲轴箱, (3) 推杆, (4) 推杆室, (5) 气缸 盖, (6) 导风板, (7) 散热片, (8) 底导风罩, (9) 主导风罩, (10) 风 叶轮, (11 ) 隔音隔热室, (12) ***, (13 ) 通风腔, (14) 气缸盖通 风腔, (15 ) 排风口, (16) 润滑油, (17) 润滑油池, (18) 曲轴箱端盖, ( 19) 后导风板, (20) 起动电机连接板。 具体实施方式  In the figure: (1) cylinder block, (2) crankcase, (3) push rod, (4) push rod chamber, (5) cylinder head, (6) air deflector, (7) heat sink, (8) Bottom air hood, (9) main hood, (10) wind impeller, (11) soundproofing room, (12) muffler, (13) venting chamber, (14) cylinder head venting chamber, (15) exhaust Port, (16) Lubricating Oil, (17) Lubricating Oil Pool, (18) Crankcase End Cap, (19) Rear Air Guide, (20) Starter Motor Connection Plate. detailed description
下面结合附图对本发明的一种实施方式作进一步说明。  An embodiment of the present invention will be further described below with reference to the accompanying drawings.
一种风冷柴油机的机体, 包括缸体 1、 曲轴箱 2、 推杆室 4、 导风板 6、 起动电机连接板 20, 所述缸体 1两侧设置有独立的风道, 所述风道为缸体 1 两侧与曲轴箱 2成一体的导风板 6与缸体 1及缸体 1上散热片 7组成的通风 腔 13, 所述通风腔 13位于缸体 1的上下两侧。 The air-cooled diesel engine body comprises a cylinder block 1, a crankcase 2, a pusher chamber 4, a wind deflector 6, a starter motor connecting plate 20, and an independent air duct is disposed on both sides of the cylinder block 1, the wind The track is cylinder 1 The air guiding plate 6 integrally formed with the crankcase 2 on both sides and the ventilating cavity 13 formed by the heat sink 7 on the cylinder block 1 and the cylinder block 1 are located on the upper and lower sides of the cylinder block 1.
如图所示, 该柴油机工作时, 冷却空气从主导风罩 9的入口进入, 通过 风叶轮 10进行加压, 再通过蜗壳通道将冷却空气送出。 输送通道上有两路, 一路(蜗壳通道的终端部, 此处的空气压力最大) 引导冷却空气通过通风腔 13 (a、 b) 去冷却缸体 1、 同时还通过气缸盖通风腔 14去冷却气缸盖 5, 最 终进入曲轴箱端盖 18上的隔音隔热室 11, 吹过*** 12后, 从排气口 15 排出。 另一路冷却空气从主导风罩 9的下部经通风腔 13c进入由底导风罩 8 和润滑油池 17围成的通风腔,同时通过通风腔 13d和 13e,吹过润滑油池 17 下表面及两侧面冷却其中容纳的机油 16,然后进入隔音隔热室 11,通过消声 器 12与曲轴箱端盖 18间所形成的空间, 冷却*** 12和曲轴箱端盖 18, 热风从排气口 15排出。 在曲轴箱端盖 18上对应着通风腔 13b的位置布置了 一个后导风板 19, 它能迫使经过通风腔 13b的冷却风转向, 吹过缸体 1 于 下风侧而不易被吹到的表面 A, 带走更多的热量, 并使缸体周围的温度更趋 于接近。  As shown, when the diesel engine is in operation, cooling air enters from the inlet of the main hood 9, is pressurized by the wind impeller 10, and the cooling air is sent out through the volute passage. There are two paths on the conveying channel, one way (the end of the volute channel, where the air pressure is the largest), and the cooling air is guided through the ventilation chamber 13 (a, b) to cool the cylinder 1, and also through the cylinder head ventilation chamber 14 The cylinder head 5 is cooled, and finally enters the soundproofing chamber 11 on the crankcase end cover 18, blows through the muffler 12, and is discharged from the exhaust port 15. Another cooling air passes from the lower portion of the main hood 9 through the ventilating chamber 13c into the venting chamber surrounded by the bottom hood 8 and the lubricating oil pool 17, while passing through the venting chambers 13d and 13e, blowing through the lower surface of the lubricating oil pool 17 and The two sides cool the oil 16 accommodated therein, and then enter the soundproofing chamber 11, through the space formed between the muffler 12 and the crankcase end cover 18, the muffler 12 and the crankcase end cover 18 are cooled, and the hot air is discharged from the exhaust port 15. A rear air deflector 19 is disposed on the crankcase end cover 18 corresponding to the position of the venting chamber 13b, which can force the cooling air passing through the venting chamber 13b to be steered through the surface of the cylinder block 1 which is not easily blown to the leeward side. A, take more heat and make the temperature around the cylinder more close.
推杆室 4的内壁(即导风板 6a)将推杆 3与缸体 1分隔开来, 既能引导 冷却风的流向, 又能隔离缸体 1和推杆 3间的热传递。  The inner wall of the pusher chamber 4 (i.e., the air deflector 6a) separates the push rod 3 from the cylinder block 1 to guide the flow of the cooling air and to isolate the heat transfer between the cylinder block 1 and the push rod 3.
由缸体下侧的导风板 6a、 起动电机连接板 20和曲轴箱 2三者联合, 形 成贯通机体的强化构造, 大大提高了机体刚度。  The wind deflector 6a on the lower side of the cylinder, the starter motor connecting plate 20, and the crankcase 2 are combined to form a reinforcing structure that penetrates the body, which greatly improves the rigidity of the body.

Claims

权 利 要求 Rights request
1、 一种风冷柴油机的机体, 包括缸体(1)、 曲轴箱 (2)、 推杆 室 (4)、 润滑***(5), 其特征在于: 所述缸体(1)两侧设置有独 立的风道。 1. An air-cooled diesel engine body comprising a cylinder block (1), a crankcase (2), a pusher chamber (4), and a lubrication system (5), characterized in that: the cylinder block (1) is disposed on both sides There is an independent air duct.
2、根据权利要求 1所述的一种风冷柴油机的机体,其特征在于: 所述风道为缸体(1)两侧与曲轴箱(2)成一体的导风板(6) 与缸 体(1)及缸体(1)上散热片 (7)组成的通风腔。  2. The air-cooled diesel engine body according to claim 1, wherein: the air duct is an air guide plate (6) and a cylinder integrated with the crankcase (2) on both sides of the cylinder block (1). Ventilation chamber composed of heat sink (7) on body (1) and cylinder (1).
3、根据权利要求 2所述的一种风冷柴油机的机体,其特征在于: 所述通风腔位于缸体(1) 垂直于曲轴轴线方向的上下两侧。  3. The body of an air-cooled diesel engine according to claim 2, wherein: said ventilation chamber is located on upper and lower sides of the cylinder (1) perpendicular to the axial direction of the crankshaft.
4、根据权利要求 2所述的一种风冷柴油机的机体,其特征在于: 所述缸体(1) 上侧的导风板(6b) 同时又是具有封闭横断面的推杆 室 (4) 的内壁。  4. The air-cooled diesel engine body according to claim 2, wherein: the air deflector (6b) on the upper side of the cylinder block (1) is simultaneously a pusher chamber having a closed cross section (4) ) the inner wall.
5、根据权利要求 4所述的一种风冷柴油机的机体,其特征在于: 所述导风板(6a)还作为缸体(1)与推杆(3)之间的隔热板。  The body of an air-cooled diesel engine according to claim 4, wherein the air deflector (6a) is also used as a heat shield between the cylinder block (1) and the push rod (3).
PCT/CN2008/000653 2007-06-29 2008-04-01 A body of an air-cooling diesel engine WO2009003349A1 (en)

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CNA2007100247786A CN101082310A (en) 2007-06-29 2007-06-29 Wind cooling diesel engine body
CN200710024778.6 2007-06-29

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101082310A (en) * 2007-06-29 2007-12-05 无锡开普动力有限公司 Wind cooling diesel engine body
CN111075589B (en) * 2019-12-30 2021-03-30 重庆品恒动力机械有限公司 Forced air cooling diesel engine body

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US4825816A (en) * 1986-09-03 1989-05-02 Kubota, Ltd. Engine with forced air-cooling
JPH0642347A (en) * 1992-07-23 1994-02-15 Suzuki Motor Corp Forced air-cooling device for engine
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CN101082305A (en) * 2007-06-29 2007-12-05 无锡开普动力有限公司 Wind cooling diesel engine
CN101082310A (en) * 2007-06-29 2007-12-05 无锡开普动力有限公司 Wind cooling diesel engine body
CN201062546Y (en) * 2007-06-29 2008-05-21 无锡开普动力有限公司 Air-cooled diesel engine body
CN201062540Y (en) * 2007-06-29 2008-05-21 无锡开普动力有限公司 Air-cooled diesel engine

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US3669203A (en) * 1968-08-08 1972-06-13 Honda Motor Co Ltd Air-cooling apparatus for automotive engine
US4825816A (en) * 1986-09-03 1989-05-02 Kubota, Ltd. Engine with forced air-cooling
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JP2004316628A (en) * 2003-03-31 2004-11-11 Kubota Corp Tilted type engine
CN101082305A (en) * 2007-06-29 2007-12-05 无锡开普动力有限公司 Wind cooling diesel engine
CN101082310A (en) * 2007-06-29 2007-12-05 无锡开普动力有限公司 Wind cooling diesel engine body
CN201062546Y (en) * 2007-06-29 2008-05-21 无锡开普动力有限公司 Air-cooled diesel engine body
CN201062540Y (en) * 2007-06-29 2008-05-21 无锡开普动力有限公司 Air-cooled diesel engine

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