Stepped Orifice Hole
US-2015345452-A1 · Dec 3, 2015 · US
Method of generating spray by fluid injection valve, fluid injection valve, and spray generation apparatus
US9127635B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9127635-B2 |
| Application number | US-201113281082-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 25, 2011 |
| Priority date | Jun 22, 2011 |
| Publication date | Sep 8, 2015 |
| Grant date | Sep 8, 2015 |
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Abstract
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A method of generating a spray by a fluid injection valve is provided. The fluid injection valve includes a valve seat ( 10 ), a valve body ( 8 ), and an orifice plate ( 11 ) having a plurality of orifices ( 12 ). The flows in the orifices and the flows directly below the orifices are configured to be substantially liquid film flows. The directions of jet flows ( 30 ), ( 31 ) from the respective orifices ( 12 ) are not necessarily matched to the central axis directions of the orifices and are not necessarily intersected with each other at a downstream position thereof. The sprays are caused to converge by the Coanda effect acting on a plurality of sprays after jet flows from the orifices ( 12 ) become sprays at a downstream position farther than a break-up length (a). The convergence of the sprays is continued until the Coanda effect is substantially lost.
First claim
Opening claim text (preview).
What is claimed is: 1. A method of generating a spray by a fluid injection valve comprising orifices, the method comprising: forming a relatively faster flow and a relatively slower flow in a corresponding orifice, wherein the faster flow is configured to press a fuel into an inner surface of the corresponding orifice, due to a faster speed and in response to an air entering the corresponding orifice between the faster flow and the inner surface of the corresponding orifice, where…
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Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
- F02M61/1806Primary
Mechanical Engineering · mapped topic
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- What does patent US9127635B2 cover?
- A method of generating a spray by a fluid injection valve is provided. The fluid injection valve includes a valve seat ( 10 ), a valve body ( 8 ), and an orifice plate ( 11 ) having a plurality of orifices ( 12 ). The flows in the orifices and the flows directly below the orifices are configured to be substantially liquid film flows. The directions of jet flows ( 30 ), ( 31 ) from the respectiv…
- Who is the assignee on this patent?
- Sumida Mamoru, Nakayama Tatsuya, Fukutomi Norihisa, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification F02M61/1806. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Sep 08 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).