F - Mech Eng,Light,Heat,Weapons – 02 – F
Patent
F - Mech Eng,Light,Heat,Weapons
02
F
F02F 7/00 (2006.01) F02F 1/10 (2006.01)
Patent
CA 2060262
Abstract In the Siamese type cylinder block structure, cylinder block structure, comprising a hollow member having a number of arc guide pieces on both ends inserted into the upper end between the neighboring cylinder bores so as to form a cooling water passage by burying both ends of hollow member in the water jacket core and insert pins inserted in the guide pieces at both ends of said hollow member communicating with said water jackets to prevent grains of sand injected at high pressure when a water jacket core is manufactured from flowing into said hollow member. Said hollow member forms a number of arc guide pieces as one body. At both ends of said hollow member, a number of arc guide pieces are formed as one body so as to prevent the distortion of water jacket core by being buried therein and change the flow of cooling water by becoming concave guide pieces when sand is removed. Moreover, said insert pins are made of compressed material like paper or styrofoam which is heat-resistant at 200 to 1400°C and burns at 1400°C. It plays a role in easily forming a cooling water passage by being destroyed by heat when casting is completed. 12
Gowling Lafleur Henderson Llp
Hyundai Motor Company
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