Slotted seal plates and slotted preforms for chemical vapor deposition densification
US-9834842-B2 · Dec 5, 2017 · US
Method of making a fibrous part using slotted seal plates and slotted preforms for chemical vapor deposition densification
US11326250B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11326250-B2 |
| Application number | US-201916684301-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 14, 2019 |
| Priority date | May 15, 2015 |
| Publication date | May 10, 2022 |
| Grant date | May 10, 2022 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A method of making a fibrous part is provided. The method may comprise forming a porous structure with an annular geometry. A first entrance channel and a second entrance channel may be formed with the entrance channels defined by a surface of the preform. The entrance channels may also extend in a radial direction from an inner diameter of the annular porous structure partially across the surface. An exit channel may be formed between the entrance channels and defined by the surface. The exit channel may extend in a radial direction from an outer diameter of the annular porous structure partially across the surface.
First claim
Opening claim text (preview).
What is claimed is: 1. A method of making a fibrous part, comprising: placing a composite part having an annular geometry into a chemical vapor infiltration (CVI) vessel; and placing a seal plate over the composite part, wherein the seal plate comprises an entrance channel formed in a surface of the seal plate and extending in a radial direction from an inner diameter of the seal plate only partially across the surface, wherein the seal plate comprises an exit channel formed in the surface of the seal plate and extending in the radial direction from an outer diameter of the seal plate only partially across the surface. 2. The method of claim 1 , further comprising densifying the composite part using a pressure gradient chemical vapor infiltration process. 3. The method of claim 1 , further comprising urging a gas into the entrance channel, through the composite part, and out the exit channel. 4. The method of claim 1 , further comprising using a high-flow chemical infiltration process to densify the composite part. 5. The method of claim 1 , further comprising using a thermal gradient chemical deposition process to densify the composite part. 6. The method of claim 1 , further comprising placing a second composite part in the CVI vessel with the seal plate between the composite part and the second composite part.
Assignees
Inventors
Classifications
- C23C16/045Primary
Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous substrates · CPC title
layered · CPC title
the material being of low mechanical strength, e.g. carbon, beryllium; Torque transmitting members therefor · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US11326250B2 cover?
- A method of making a fibrous part is provided. The method may comprise forming a porous structure with an annular geometry. A first entrance channel and a second entrance channel may be formed with the entrance channels defined by a surface of the preform. The entrance channels may also extend in a radial direction from an inner diameter of the annular porous structure partially across the surf…
- Who is the assignee on this patent?
- Goodrich Corp
- What technology area does this patent fall under?
- Primary CPC classification C23C16/045. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue May 10 2022 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).