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US 10,138,821 B1Granted
Method of making a throttle body
AssigneeGM Global Technology Operations LLC
InventorLuca Buttafuoco
Life of this patent
Estimating the term…
Abstract
A method of making a throttle body assembly, includes casting a main body portion having a passage there through and mounting features for pivotally mounting a throttle valve within the passage. An annular spigot is formed by 3-dimensional printing and is welded to the main body portion in order to provide a quicker less expensive method of prototyping.
Claims8
A method of making a throttle body assembly, comprising:
- casting a main body portion having a passage there through and mounting features for pivotally mounting a throttle valve within the passage;
- forming an annular spigot from a metallic material by 3 dimensional printing;
- and
- welding the annular spigot to the main body portion.
1 more element
A method of making a throttle body assembly, comprising:
- casting a main body portion having a passage there through and mounting features for pivotally mounting a throttle valve within the passage, the main body portion including an annular seat disposed adjacent to the passage, wherein the main body portion includes mounting features for an electric motor;
- forming an annular spigot from a metallic material by 3 dimensional printing;
- and
- welding the annular spigot to the annular seat of the main body portion.
1 more element
Dependencies are inferred from the claim text.