Unit Cell Titanium Casting
US-2017368601-A1 · Dec 28, 2017 · US
Methods for sand core gas evacuation and related systems and apparatus
US9403209B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9403209-B2 |
| Application number | US-201313746558-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 22, 2013 |
| Priority date | Jan 22, 2013 |
| Publication date | Aug 2, 2016 |
| Grant date | Aug 2, 2016 |
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Abstract
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Methods, systems, and apparatus for reduction of gas pressure within a core, such as a sand casting core package, during a casting process in order to reduce bubble defects. Some embodiments may comprise a mold configured to receive a molten metal to create a metal casting, such as an engine block casting. The mold may comprise a mold core configured to create a cavity within the metal casting. The system may further comprise a filling device configured for delivering a molten metal into the mold for creating the metal casting. The mold core may comprise a material that is permeable to certain gases known to often result in bubble defects. The system may further comprise a vacuum configured to be coupled with the mold to reduce gas pressure within a permeable portion of the mold in order to reduce the incidence of bubble defects within the casting.
First claim
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The invention claimed is: 1. A method for reducing gas pressure within an at least partially permeable mold for manufacturing a metal casting comprising an engine block, the method comprising the steps of: providing a mold, wherein the mold comprises a mold core configured to create a cavity within a metal casting, wherein the mold core comprises a material that is permeable to gases introduced into the mold during a casting process, and wherein the mold core comprises a water jac…
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- What does patent US9403209B2 cover?
- Methods, systems, and apparatus for reduction of gas pressure within a core, such as a sand casting core package, during a casting process in order to reduce bubble defects. Some embodiments may comprise a mold configured to receive a molten metal to create a metal casting, such as an engine block casting. The mold may comprise a mold core configured to create a cavity within the metal casting.…
- Who is the assignee on this patent?
- Gm Global Tech Operations Llc
- What technology area does this patent fall under?
- Primary CPC classification B22D18/06. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Aug 02 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).