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AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsTetsuya Suzuki, Masuo Ebisawa, Kiyoshi Shibata, Shigeo Kaiho, Akio Kawase, Shuji Kobayashi, Yoshikazu Kanzawa
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A siamese-type cylinder block blank which is composed so that upon the pouring a molten metal under a pressure, a sleeve of cast iron is cast in each cylinder barrel of a siamese-type cylinder barrel made of an aluminum alloy and consisting of a plurality of cylinder barrels connected in series. The cylinder block blank is characterized in that each sleeve cast presents a substantially oval configuration in section with the lengthwise axis parallel to the direction of cylinder barrels arranged, as a result of the reception of the solidification shrinkage force of each cylinder barrel.
A siamese-type cylinder block blank in which a sleeve of cast iron is incorporated, upon the pouring of a molten metal under a pressure, in each of a plurality of adjacent cylinder barrels of a siamese-type cylinder barrel made of an aluminum alloy, said cylinder barrels being connected in series, wherein each sleeve has a substantially oval cross section with a lengthwise axis parallel to the direction of the series arrangement of the cylinder barrels after completion of solidification due to application of solidification shrinkage force of each cylinder barrel on the respective sleeve.
A siamese-type cylinder block blank comprising a siamese-type cylinder barrel made of a cast aluminum alloy and including a plurality of adjacent cylinder barrels connected in series alignment and a sleeve of cast iron incorporated in each cylinder barrel, each sleeve being of an oval cross-section due to application of solidification shrinkage force thereto by the associated barrel, the oval cross-section defining a longer longitudinal axis and a shorter transverse axis, the longitudinal axes of the sleeves being aligned parallel to the series alignment of the barrels in the solidified block blank.
Dependencies are inferred from the claim text.