Piston and method of construction thereof
US-9212621-B2 · Dec 15, 2015 · US
Piston for an internal combustion engine
US8950375B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8950375-B2 |
| Application number | US-201113270324-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 11, 2011 |
| Priority date | Dec 20, 2007 |
| Publication date | Feb 10, 2015 |
| Grant date | Feb 10, 2015 |
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Abstract
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A piston for an internal combustion engine has a lower piston part and an upper piston part disposed on the lower piston part. The upper piston part has a top land that runs around its circumference, and a ring belt that runs around its circumference. At least the upper piston part consists of a sintered material.
First claim
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What is claimed is: 1. A piston for an internal combustion engine, comprising: a lower piston part; and an upper piston part connected to the lower piston part, said upper piston part having a top land that runs around its circumference and a ring belt that runs around its circumference, wherein the lower piston part and the upper piston part cooperate to enclose an outer circumferential cooling channel; wherein the lower piston part and the upper piston part have inner and…
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Frequently asked questions
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- What does patent US8950375B2 cover?
- A piston for an internal combustion engine has a lower piston part and an upper piston part disposed on the lower piston part. The upper piston part has a top land that runs around its circumference, and a ring belt that runs around its circumference. At least the upper piston part consists of a sintered material.
- Who is the assignee on this patent?
- Grahle Peter, Sander Wilfried, Schulz Joachim, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification F02F3/003. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Feb 10 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).