Engine arrangement for enhanced cooling
US-9206764-B2 · Dec 8, 2015 · US
Piston for an internal combustion engine
US9109530B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9109530-B2 |
| Application number | US-201214130584-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 4, 2012 |
| Priority date | Jul 5, 2011 |
| Publication date | Aug 18, 2015 |
| Grant date | Aug 18, 2015 |
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Abstract
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The invention relates to a piston ( 10, 110, 210 ) for an internal combustion engine, comprising a piston head ( 11, 111, 211 ) and a piston skirt, the piston head ( 11, 111, 211 ) having a circumferential ring section ( 15, 115, 215 ) and a circumferential cooling channel ( 16, 116, 216 ) in the region of the ring section ( 15, 115, 215 ). The cooling channel has a cooling channel floor ( 17, 117, 217 ) and a cooling channel ceiling ( 18, 118, 218 ). According to the invention, the cooling channel ( 16, 116, 216 ) has a narrowing ( 20, 120, 220 ).
First claim
Opening claim text (preview).
The invention claimed is: 1. A piston ( 110 ) for an internal combustion engine, having a piston head ( 111 ) and a piston skirt, wherein the piston head ( 111 ) has a circumferential ring belt ( 115 ) as well as a circumferential cooling channel ( 116 ) in the region of the ring belt ( 115 ), having a cooling channel floor ( 117 ) and a cooling channel ceiling ( 118 ), wherein the cooling channel ( 116 ) has a circumferential narrowing ( 120 ) formed by precisely two material elev…
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- What does patent US9109530B2 cover?
- The invention relates to a piston ( 10, 110, 210 ) for an internal combustion engine, comprising a piston head ( 11, 111, 211 ) and a piston skirt, the piston head ( 11, 111, 211 ) having a circumferential ring section ( 15, 115, 215 ) and a circumferential cooling channel ( 16, 116, 216 ) in the region of the ring section ( 15, 115, 215 ). The cooling channel has a cooling channel floor ( 17, …
- Who is the assignee on this patent?
- Bischofberger Ulrich, Mahle Int Gmbh
- What technology area does this patent fall under?
- Primary CPC classification F02F3/22. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Aug 18 2015 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).