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    • 42. 发明授权
    • Cylinder sleeve system for high output engine
    • 高输出发动机气缸套管系统
    • US3745980A
    • 1973-07-17
    • US3745980D
    • 1971-05-28
    • MACK TRUCKS
    • PEKAR FEISENBERG E
    • F02F1/14F02F1/16F16J10/04F02B75/18
    • F02F1/16F02F1/14F16J10/04
    • A cylinder sleeve system for the cylinder block of a high output internal combustion engine includes a circumferential recess in the upper region of each cylinder bore wall that forms with a cylinder sleeve fitted in the bore an annular coolant chamber surrounding the upper region of the sleeve. The chamber has a shallow radial depth, preferably of constant cross section, so as to cause high, generally uniform velocity coolant flow through the chamber, thereby promoting rapid cooling of the upper region. Coolant discharged from the chamber flows to a coolant jacket surrounding the lower region of the cylinder sleeve, where it circulates at reduced velocity to effect slower cooling of the lower region. The coolant in the upper chamber is thus in direct contact with the sleeve while that in the coolant jacket is contained against such direct contact. The recess is sized and located such that the cylinder sleeve is directly supported by the cylinder bore wall over approximately the lower three-fourths of its length. This configuration permits sleeves of reduced wall thickness to be used.
    • 用于高输出内燃机的气缸体的气缸套系统包括在每个气缸孔壁的上部区域中的周向凹部,其与装配在孔中的气缸套形成围绕套筒的上部区域的环形冷却剂腔。 腔室具有较浅的径向深度,优选地具有恒定的横截面,以便使冷却剂流过腔室高速,大致均匀地流动,从而促进上部区域的快速冷却。 从室排出的冷却剂流到围绕气缸套的下部区域的冷却剂套管,其中以降低的速度循环,从而对下部区域进行较慢的冷却。 因此,上部室中的冷却剂与套筒直接接触,而冷却剂套管中的冷却剂则抵抗着这种直接接触。 凹部的尺寸和位置使得气缸套筒在其大约四分之三的长度上直接由气缸孔壁支承。 这种构造允许使用减小壁厚的套筒。
    • 44. 发明授权
    • Liquid cooled cylinder sleeve, particularly for internal combustion engines
    • 液体冷却气缸套筒,特别用于内燃机
    • US3659569A
    • 1972-05-02
    • US3659569D
    • 1970-11-02
    • MASCHF AUGSBURG NUERNBERG AG
    • MAYER STEPHANENGEL ROLF
    • F02B3/06F02F1/16F02F1/10F02F1/14
    • F02F1/16F02B3/06
    • Cooling tubes, preferably semicircular, and matching in the aggregate approximately the contour of the cylinder sleeve (13), are cast into the sleeve; the tubes (16) are formed with radially extending connecting stubs and with locating means to place them close to the inner wall surface of the liner, and in a region free from axial stresses imposed on the complete cylinder linertube casting. Preferably, a group of superimposed tubes are used, interconnected by short riser tubelets. The semi-circular tube sections can have connecting stubs, plugged during casting and, if desired, remaining plugged, extend at the diametrical region of the separation of mold sections used to cast the cylinder sleeve.
    • 冷却管,优选半圆形,并且大体上围绕气缸套(13)的轮廓相互集合,被浇铸到套筒中; 管(16)形成有径向延伸的连接短柱和定位装置,以将它们靠近衬套的内壁表面,并且在没有施加在整个气缸套管铸造上的轴向应力的区域中。 优选地,使用一组叠加的管,通过短立管管互连。 半圆管部分可以具有连接短管,在铸造期间堵塞,并且如果需要,保持堵塞,在用于铸造气缸套筒的模具部分的直径区域延伸。