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    • 4. 发明申请
    • MULTI-PIECE CYLINDER
    • 多层气缸
    • WO2015123529A1
    • 2015-08-20
    • PCT/US2015/015834
    • 2015-02-13
    • COBRA AERO LLC
    • MCDOWELL, PhilPENROD, Wendell
    • F02F1/22
    • F02F1/22F02B75/02F02B2075/025F02F7/0004F02F2200/00
    • A cylinder is configured for use with a piston that moves through compression and combustion strokes between top and bottom positions in an internal combustion engine. The cylinder defines a bore in which the piston moves between the top and bottom positions. The bore has a transfer port and an exhaust port. The cylinder can have interconnected parts that together define the bore. Those parts can include a first part that reaches along the bore upward from the transfer port beside the top position of the piston, and a second part that reaches along the bore downward from the transfer port beside the bottom position of the piston. The sectional lengths of the first and second parts provide greater access for manufacturing at the bore, the transfer port, and the exhaust port.
    • 气缸构造成与活塞一起使用,所述活塞通过内燃机的顶部位置和底部位置之间的压缩和燃烧冲程而移动。 气缸限定了活塞在顶部位置和底部位置之间移动的孔。 孔具有输送口和排气口。 气缸可以具有一起限定孔的互连部件。 这些部件可以包括第一部分,其沿着孔从活塞的顶部位置旁边的传送口向上延伸,以及第二部分,其沿着孔从活塞的底部位置旁边的传送端向下延伸。 第一和第二部分的截面长度为钻孔,输送口和排气口处的制造提供了更大的存取。
    • 7. 发明申请
    • PISTON WITH COOLING GALLERY RADIATOR AND METHOD OF CONSTRUCTION THEREOF
    • 具有冷却库的散热器及其构造方法
    • WO2017132102A1
    • 2017-08-03
    • PCT/US2017/014643
    • 2017-01-24
    • FEDERAL-MOGUL CORPORATION
    • MUSCAS, Nicolae
    • F02F3/02F02F3/22F02F3/00
    • F01P3/10F02F3/0076F02F3/02F02F3/20F02F3/22F02F2003/0061F02F2200/00
    • A piston (10) with a cooling gallery (22) containing an open cell radiator (24) is provided. The radiator (24) has a large thermally conductive surface area that acts as a heat-sink to remove heat from the piston. Heat from the piston (10) is transmitted from the radiator (24) to cooling oil that enters the cooling gallery via an oil inlet (26) formed in a floor of the cooling gallery and exits the cooling gallery via an oil outlet (29). The piston comprises a piston body including an upper part presenting an upper combustion surface and an undercrown surface. A ring belt (20) depends from the upper combustion surface, and the cooling gallery (22) extends around the piston body beneath the undercrown surface radially inwardly of the ring belt. The radiator includes a plurality of fins (56) extending annularly around the cooling gallery, The fins of the radiator are spaced from one another by gaps extending annularly around the cooling gallery,
    • 提供具有包含开放式电池散热器(24)的冷却通道(22)的活塞(10)。 散热器(24)具有大的导热表面区域,其充当散热器以从活塞移除热量。 来自活塞(10)的热量从散热器(24)传递到冷却油,该冷却油经由形成在冷却油道的地板中的油入口(26)进入冷却油道并且经由油出口(29)离开冷却油道, 。 活塞包括活塞体,该活塞体包括具有上部燃烧表面和下部表面的上部。 环形带(20)从上部燃烧表面垂下,并且冷却通道(22)在环形带的径向内侧的低角度表面下方围绕活塞体延伸。 散热器包括围绕冷却通道环形延伸的多个翅片(56)。散热器的翅片通过围绕冷却通道环形延伸的间隙彼此间隔开,
    • 8. 发明申请
    • PISTON PROVIDING FOR REDUCED HEAT LOSS USING COOLING MEDIA
    • 活塞提供冷却介质减少热量损失
    • WO2017087433A1
    • 2017-05-26
    • PCT/US2016/062129
    • 2016-11-16
    • FEDERAL-MOGUL CORPORATION
    • MATSUO, Eduardo
    • F02F3/18F02F3/20F02F3/22F01P3/10
    • F02F3/20B05D5/00B23K1/0008B23K2201/003F01P1/04F01P3/10F02F3/0092F02F3/10F02F3/18F02F3/22F02F2200/00
    • A steel piston achieving increased thermal brake efficiency in an internal combustion engine is provided. The piston includes a crown presenting a combustion surface, an outer side wall depending from the combustion surface, an outer cooling gallery, and an undercrown cooling gallery. The outer cooling gallery extends circumferentially along the outer side wall beneath the combustion surface. According to one embodiment, the outer cooling gallery is sealed and filled with air, argon, helium, xenon, or carbon dioxide as a cooling media. In this embodiment, the undercrown cooling gallery is filled with air as a cooling media and includes an open inlet hole having a diameter being from 2% to 4% of an outer diameter of the piston. Alternatively, the undercrown cooling gallery is filled with air, argon, helium, xenon, or carbon dioxide as a cooling media, and the inlet hole is sealed.
    • 提供了一种实现内燃机中的热制动效率增加的钢制活塞。 活塞包括具有燃烧表面的顶部,从燃烧表面垂下的外侧壁,外部冷却通道以及不足冷却通道。 外部冷却通道沿燃烧表面下方的外侧壁周向延伸。 根据一个实施例,外部冷却通道被密封并充满空气,氩气,氦气,氙气或二氧化碳作为冷却介质。 在该实施例中,该不成形的冷却通道充满空气作为冷却介质并且包括直径为活塞外径的2%至4%的开口入口孔。 或者,冷却廊道内充满空气,氩气,氦气,氙气或二氧化碳作为冷却介质,并将进气孔密封。