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1. 发明授权

US06422294B1 Casting apparatus and casting method of cylinder head 失效
标题翻译：气缸盖铸造设备和铸造方法
公开(公告)号：US06422294B1
公开(公告)日：2002-07-23
申请号：US09719741
申请日：2000-12-15
申请人： Akira Murata , Akihiro Nakano , Nobuyuki Matsubayashi , Takayuki Shouju , Tomoyuki Nozaki , Shigeo Yano
发明人： Akira Murata , Akihiro Nakano , Nobuyuki Matsubayashi , Takayuki Shouju , Tomoyuki Nozaki , Shigeo Yano
IPC分类号： B22D1712
CPC分类号： B22D18/04 , B22D27/04 , B22D27/045
摘要： To obtain a high-quality cast product of a cylinder head, a proper directivity to the cooling process of the molten metal after a pouring process by utilizing the shape of a cylinder head is discussed. In a process where molten metal is injected to a casting mold cavity formed between upper and lower molds to fill it therewith so that the molten metal is solidified to form a cylinder head of an engine, a plurality of core protrusions corresponding to holes (plug holes and bolt holes) are formed in the upper mold, and a cooling means is attached to each of the core protrusions. With respect to cooling means attached to the plurality of core protrusions, those attached to the inner core protrusions comparatively closer to the center of the casting mold are designed so as to have a greater cooling capability than those attached to the outer core protrusions; therefore, with respect to the center portion and the outer portion of the casting mold cavity.
摘要翻译：为了获得气缸盖的高质量铸造产品，讨论了通过利用气缸盖的形状在浇注过程之后熔融金属的冷却过程的适当方向性。在将熔融金属注射到形成在上模和下模之间的铸模腔中以填充其中以使熔融金属固化以形成发动机的气缸盖的过程中，对应于孔的多个芯突起（插塞孔和螺栓孔），并且将冷却装置附接到每个芯突起。对于连接到多个芯突起的冷却装置，相对于相对靠近铸模中心的内芯突起设置的那些被设计成具有比附接到外芯突起的那些更大的冷却能力; 因此，相对于铸模腔的中心部分和外部部分。

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