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US 2008/0313898 A1Published application
Magnesium throttle body and method of manufacturing the same
AssigneeHyundai Motor Company
InventorJae Joong Kim
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Abstract
A magnesium-based throttle body is disclosed. The throttle body is manufactured by using a mold for manufacture of a throttle body. The throttle body includes a cooling water tube fixing portion into which a cooling water tube is press-inserted, the cooling water tube fixing portion being formed integrally with the throttle body.
Claims4
A throttle body for a vehicle which is made of magnesium-based material and comprises a cooling water tube fixing portion, into which a cooling water tube is press-inserted, formed integrally with the throttle body.
A method for manufacturing a throttle body, comprising:
- providing a die-casting mold for manufacture of a throttle body, which mold includes a pin having a diameter of 10mm and having no ejection taper;
- forming a throttle body having a cooling water tube fixing portion integrally formed therewith by the die-casting mold;
- forming a fixing hole into which a cooling water tube is press-inserted in the cooling water tube fixing portion by using the pin of the die-casting mold;
- and
- press-inserting the cooling water tube into the fixing hole of the cooling water tube fixing portion, whereby the magnesium throttle body does not directly contact cooling water.
2 more elements
Dependencies are inferred from the claim text.