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Apparatus and method for the creation of an impingement jet generating annular swirls as well as turbomachine with an apparatus of this type
US9103230B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9103230-B2 |
| Application number | US-201213532990-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 26, 2012 |
| Priority date | Jun 27, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
Official abstract text for this publication.
An apparatus for the creation of an impingement jet generating annular swirls includes a fluidic switching element having an inlet branch with an inlet opening via which cooling gas can be supplied to the fluidic switching element, outlet branches provided downstream of the inlet branch and ending each in an outlet opening, a branching point at which the inlet branch splits into the outlet branches, and control means for controlling the cooling gas flowing in the inlet branch such that the cooling gas is routed alternatingly into the one or the other of the outlet branches, with an impingement jet pulsating at a frequency being generated in each outlet branch. The fluidic switching element is designed and provided for emitting cooling gas at the outlet openings with a mean outflow velocity and a frequency such that the impingement jet exiting the outlet openings forms annular swirls.
First claim
Opening claim text (preview).
What is claimed is: 1. An apparatus for cooling, comprising: an impingent surface to be cooled; a partition wall arranged at a distance from the impingement surface, the impingement surface and partition wall shaped to be complementary to one another to form a generally uniform cooling air duct therebetween; at least one fluidic switching element positioned in the partition wall and including: an inlet branch with an inlet opening via which cooling gas can be supplied to the…
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Mechanical Engineering · mapped topic
- F01D25/12Primary
Mechanical Engineering · mapped topic
Cross-Sectional Technologies · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US9103230B2 cover?
- An apparatus for the creation of an impingement jet generating annular swirls includes a fluidic switching element having an inlet branch with an inlet opening via which cooling gas can be supplied to the fluidic switching element, outlet branches provided downstream of the inlet branch and ending each in an outlet opening, a branching point at which the inlet branch splits into the outlet bran…
- Who is the assignee on this patent?
- Janetzke Timm, Rolls Royce Deutschland
- What technology area does this patent fall under?
- Primary CPC classification F01D25/12. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Aug 11 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).