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US-2018358783-A1 · Dec 13, 2018 · US
Laser spark plug having an improved seal between the combustion chamber window and the casing
US9954343B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9954343-B2 |
| Application number | US-201615015913-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 4, 2016 |
| Priority date | Nov 28, 2011 |
| Publication date | Apr 24, 2018 |
| Grant date | Apr 24, 2018 |
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Abstract
Official abstract text for this publication.
A casing for a laser spark plug, in particular, of an internal combustion engine of a motor vehicle, or of a stationary engine; the casing including at least one casing part and a combustion chamber window joined to the casing part to form a seal at least regionally; characterized in that at least one sealing element, whose coefficient of thermal expansion at an operating temperature of the laser spark plug is greater than the coefficient of thermal expansion of the casing part at the operating temperature of the laser spark plug, is provided between the casing part and the combustion chamber window.
First claim
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What is claimed is: 1. A casing for a laser spark plug, comprising: a casing part; a combustion chamber window joined to the casing part to form a seal at least regionally; and at least one sealing element, whose coefficient of thermal expansion at an operating temperature of the laser spark plug is greater than the coefficient of thermal expansion of the casing part at the operating temperature of the laser spark plug, and which is between the casing part and the combustion cha…
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Frequently asked questions
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- What does patent US9954343B2 cover?
- A casing for a laser spark plug, in particular, of an internal combustion engine of a motor vehicle, or of a stationary engine; the casing including at least one casing part and a combustion chamber window joined to the casing part to form a seal at least regionally; characterized in that at least one sealing element, whose coefficient of thermal expansion at an operating temperature of the las…
- Who is the assignee on this patent?
- Bosch Gmbh Robert
- What technology area does this patent fall under?
- Primary CPC classification H01T13/06. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Apr 24 2018 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).