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1. 发明授权

US09856822B2 Welded engine block for small internal combustion engines 有权
公开(公告)号：US09856822B2
公开(公告)日：2018-01-02
申请号：US15426916
申请日：2017-02-07
申请人： Briggs & Stratton Corporation
发明人： Jerry Schenkel , Gary D. Greenlees , Claude Hoerig , Mike L. Carlson
IPC分类号： F02F7/00 , F02F1/04 , F02F1/28
CPC分类号： F02F7/0039 , F02B63/02 , F02B2275/02 , F02F1/04 , F02F1/28 , F02F7/0004 , F02F7/0012 , F02F7/0085
摘要： A small air-cooled internal combustion engine includes an aluminum cylinder block, an aluminum cylinder head welded to the aluminum cylinder block, and a weld securing the aluminum cylinder block to the aluminum cylinder head, wherein a joint having a first length is formed between the aluminum cylinder block and the aluminum cylinder head and wherein the weld extends for a second length that is at least 25% of the first length.

2. 发明授权

US09581106B2 Welded engine block for small internal combustion engines 有权
标题翻译：用于小型内燃机的焊接发动机缸体
公开(公告)号：US09581106B2
公开(公告)日：2017-02-28
申请号：US14569020
申请日：2014-12-12
申请人： Briggs & Stratton Corporation
发明人： Jerry Schenkel , Gary D. Greenlees , Claude Hoerig , Mike L. Carlson
IPC分类号： F02F7/00 , F02B63/02 , F02F1/04 , F02F1/28
CPC分类号： F02F7/0039 , F02B63/02 , F02B2275/02 , F02F1/04 , F02F1/28 , F02F7/0004 , F02F7/0012 , F02F7/0085
摘要： A small air-cooled internal combustion engine includes an aluminum cylinder block, an aluminum cylinder head welded to the aluminum cylinder block, and a weld securing the aluminum cylinder block to the aluminum cylinder head, wherein a joint having a first length is formed between the aluminum cylinder block and the aluminum cylinder head and wherein the weld extends for a second length that is at least 25% of the first length.
摘要翻译：一种小型空气冷却内燃机，其包括铝汽缸体，焊接到铝汽缸体的铝汽缸盖，以及将铝汽缸体固定到铝汽缸盖上的焊接部，其中，形成具有第一长度的接头，铝气缸体和铝气缸盖，并且其中焊缝延伸至少为第一长度的25％的第二长度。

3. 发明授权

US06925970B2 Air-cooled four-stroke internal combustion engine 失效
标题翻译：风冷四冲程内燃机
公开(公告)号：US06925970B2
公开(公告)日：2005-08-09
申请号：US10828294
申请日：2004-04-21
申请人： Yumin Liu , Yukio Sawadate , Masahiko Iizuka , Yoshiaki Nagao
发明人： Yumin Liu , Yukio Sawadate , Masahiko Iizuka , Yoshiaki Nagao
IPC分类号： F02B63/00 , F01M5/00 , F01M11/00 , F01P1/02 , F01P1/06 , F01P5/06 , F02B63/02 , F02B75/02 , F02B75/16 , F02F1/04 , F02F1/28 , F02F7/00 , F02F11/00 , F02F1/06
CPC分类号： F02B75/16 , F01M2011/0025 , F01P1/02 , F01P1/06 , F01P5/06 , F02B63/02 , F02B2075/027 , F02F1/04
摘要： The present invention provides an air-cooled four-stroke internal combustion engine capable of achieving a high degree of cooling. The present invention is directed to an air-cooled four-stroke internal combustion engine including a crankshaft and a fan rotor rotatably driven by the crankshaft to generate cooling air for cooling the engine. The engine comprises an oil pan disposed below the crankshaft. A space formed below the oil pan extends in the axial direction of the crankshaft along the lower surface of the oil pan and allows a cooling air to pass therethrough. An upstream portion of the lower surface is inclined upward, toward the upstream, in a vertical section taken along the axis of the crankshaft to receive the cooling air therein.
摘要翻译：本发明提供一种能够实现高冷却度的风冷四冲程内燃机。本发明涉及一种风冷四冲程内燃机，其包括曲轴和由曲轴可旋转地驱动的风扇转子，以产生用于冷却发动机的冷却空气。发动机包括设置在曲轴下方的油盘。油盘下面形成的空间沿着油盘的下表面在曲轴的轴向方向上延伸，并允许冷却空气通过。下表面的上游部分在沿着曲轴的轴线截取的垂直截面中朝向上游向上倾斜，以在其中接收冷却空气。

4. 发明授权

US11835013B2 Cylinder head for an internal combustion engine and method for the production thereof 有权
公开(公告)号：US11835013B2
公开(公告)日：2023-12-05
申请号：US17274144
申请日：2019-08-30
申请人： MAN Truck & Bus SE
发明人： Steffen Hirschmann , Thomas Malischewski
IPC分类号： F02F1/28 , F02F1/36 , F02F1/42 , F02F1/24
CPC分类号： F02F1/36 , F02F1/4235 , F02F1/4264 , F02F2001/244
摘要： The disclosure relates to a cylinder head for covering a combustion chamber of an internal combustion engine. The cylinder head comprises at least one material recess for heat isolation, which is formed in a main body of the cylinder head and is arranged between a fluid-guide channel and a cooling channel. The material recess can be produced e.g. directly during the shaping (e.g. casting or pressing) of the cylinder head and/or thereafter. For example, in the event that exhaust gas is guided through the fluid-guide channel, a significantly lower heat input occurs from the hot exhaust gas into the cooling fluid. In addition, the thermal decoupling via the material recess leads to the hot exhaust gas cooling to a lesser degree in the fluid-guide channel.

5. 发明申请

US20160369741A1 WELDED ENGINE BLOCK FOR SMALL INTERNAL COMBUSTION ENGINES 审中-公开
标题翻译：用于小型内燃机的焊接发动机块
公开(公告)号：US20160369741A1
公开(公告)日：2016-12-22
申请号：US15254848
申请日：2016-09-01
申请人： Briggs & Stratton Corporation
发明人： Mike L. Carlson , Gary D. Greenlees , Claude Hoerig , Gary Johnson , Brian Paul , Matt Martinek , Jerry Schenkel , John Schneiker , Ryan Sullivan
IPC分类号： F02F7/00 , F02F1/04 , F01M11/04 , F02F1/28
CPC分类号： F02F7/0085 , F01M11/0458 , F02B63/02 , F02B2275/02 , F02F1/04 , F02F1/28 , F02F7/0004 , F02F7/0012 , F02F7/0039
摘要： A small air-cooled internal combustion engine includes an aluminum cylinder block at least partially defining an aluminum cylinder bore, an aluminum cylinder head attached to the aluminum cylinder block, and an aluminum push rod tube separate from and press fit between the aluminum cylinder block and the aluminum cylinder head. The aluminum push rod tube includes a cylinder block end portion, a cylinder head end portion, and a main body extending between the cylinder block end portion and the cylinder head end portion.
摘要翻译：小型风冷内燃机包括至少部分地限定铝气缸孔的铝汽缸体，连接到铝汽缸体的铝汽缸盖，以及与铝汽缸体和铝压缩缸之间分开并压配合的铝推杆管铝制气缸盖。铝推杆管包括气缸体端部，气缸盖端部和在气缸体端部和气缸盖端部之间延伸的主体。

6. 发明申请

US20050115530A1 Air-cooled internal combustion engine 失效
标题翻译：风冷内燃机
公开(公告)号：US20050115530A1
公开(公告)日：2005-06-02
申请号：US10989537
申请日：2004-11-16
申请人： Yoshitsugu Gokan , Masazumi Naito
发明人： Yoshitsugu Gokan , Masazumi Naito
IPC分类号： F01L1/02 , F01L1/46 , F02F1/28
CPC分类号： F01L1/024 , F01L1/022 , F01L1/053 , F01L1/46 , F01L2001/0537 , F01L2810/01 , F02F1/28
摘要： An air-cooled internal combustion engine includes a cylinder block having a plurality of cylinder bores disposed in parallel to each other, a cylinder head secured to an upper portion of the cylinder block, a crankshaft, two camshafts disposed in a parallel, juxtaposed relationship to each other so as to extend perpendicularly to a forward and backward direction of a vehicle on which the engine is mounted at an upper portion of said cylinder head and positioned on front and rear sides of the engine relative to each other, and a camshaft driving mechanism for transmitting rotational driving force of the crankshaft to the camshafts. A cooling space into which wind can be introduced is formed below that one of the camshafts which is positioned on the front side of the engine. The entire cylinder head is thus cooled efficiently, including portions corresponding to the cylinders disposed at intermediate positions of the engine.
摘要翻译：一种风冷式内燃机，具有：缸体，其具有彼此平行设置的多个气缸孔;固定在气缸体上部的气缸盖;曲轴;两个凸轮轴，并列配置成并列设置; 彼此相对于发动机安装在所述气缸盖的上部并且相对于彼此位于发动机的前侧和后侧的车辆的前后方向垂直地延伸;以及凸轮轴驱动机构用于将曲轴的旋转驱动力传递到凸轮轴。可以在位于发动机前侧的凸轮轴之一的下方形成可引入风的冷却空间。因此，整个气缸盖被有效地冷却，包括对应于设置在发动机的中间位置处的气缸的部分。

7. 发明申请

US20230040082A1 AIR-COOLED, FOUR-STROKE AVIATION ENGINE 有权
公开(公告)号：US20230040082A1
公开(公告)日：2023-02-09
申请号：US17873705
申请日：2022-07-26
申请人： Avco Corporation
发明人： Patrick Henry Baer , Michael Glynn Glucksman
IPC分类号： F02F1/24 , F02F1/28 , F02F1/42 , F01L3/02 , F01L3/08 , B64D27/04
摘要： An improved air-cooled aviation engine includes a compact combustion chamber having an intake valve opening, an exhaust valve opening, and a generally elliptical shape. The elliptical shape has a major axis and a minor axis, with the major axis intersecting both the intake valve opening and the exhaust valve opening. In some examples, the major axis is the same length or shorter than a diameter of a cylinder bore of the engine, and the minor axis is smaller than the major axis. Combustion is thus constrained to a smaller area than that of the cylinder bore.

8. 发明授权

US10041394B2 Air/oil-cooled internal combustion engine 有权
公开(公告)号：US10041394B2
公开(公告)日：2018-08-07
申请号：US15202904
申请日：2016-07-06
申请人： HONDA MOTOR CO., LTD.
发明人： Makoto Harada , Yuki Nagata , Teppei Hakamata
IPC分类号： F01P11/16 , F01P3/02 , F02F1/36 , F02F1/28 , F01L1/02 , B62J31/00 , B62K11/04 , F02B77/08 , F01L1/047 , F01L1/053 , F01P3/00
摘要： An air/oil-cooled internal combustion engine capable of increasing accuracy in detection of the temperature of the air/oil-cooled internal combustion engine by a temperature sensor and carrying out the warm-up operation after the start-up of the air/oil-cooled internal combustion engine favorably. The air/oil-cooled internal combustion engine includes cooling fins that are provided on the circumferences of a cylinder block and a cylinder head; and a cooling passage that is provided in a combustion chamber upper wall covering a combustion chamber of the cylinder head and is used for cooling the combustion chamber upper wall with lubrication oil. The air/oil-cooled internal combustion engine has a temperature sensor configured to detect the temperature of the air/oil-cooled internal combustion engine by detecting the temperature of oil. The temperature sensor faces a cooling oil outlet portion of the cooling passage.

9. 发明授权

US2584289A Cylinder head 失效
公开(公告)号：US2584289A
公开(公告)日：1952-02-05
申请号：US9139949
申请日：1949-05-04
申请人： PORSCHE KONSTRUKTIONEN GMBH
发明人： KARL RABE
IPC分类号： F02F1/28
CPC分类号： F02F1/28

10. 发明授权

US12012910B2 Air-cooled, four-stroke aviation engine 有权
公开(公告)号：US12012910B2
公开(公告)日：2024-06-18
申请号：US17873705
申请日：2022-07-26
申请人： Textron Innovations, Inc.
发明人： Patrick Henry Baer , Michael Glynn Glucksman
IPC分类号： F02F1/24 , B64D27/04 , F01L3/02 , F01L3/08 , F02F1/28 , F02F1/42
CPC分类号： F02F1/242 , B64D27/04 , F01L3/02 , F01L3/08 , F02F1/28 , F02F1/4235
摘要： An improved air-cooled aviation engine includes a compact combustion chamber having an intake valve opening, an exhaust valve opening, and a generally elliptical shape. The elliptical shape has a major axis and a minor axis, with the major axis intersecting both the intake valve opening and the exhaust valve opening. In some examples, the major axis is the same length or shorter than a diameter of a cylinder bore of the engine, and the minor axis is smaller than the major axis. Combustion is thus constrained to a smaller area than that of the cylinder bore.

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