High heat flux regenerative circuit, in particular for the combustion chamber of a rocket engine
US6516872B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2000 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Nov 9, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49346
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A regenerative circuit structure is built up by implementing the following steps in particular:an intermediate layer is made on a support core representing the inner profile of the structure;a series of channels regularly distributed around the core is made with the channels opening to face the intermediate layer, each of the channels being provided with a soluble insert;the support core is preheated and the body of the structure is made by thermal spraying under a vacuum;channels are machined in the body from the outside, and said channels are filled by means of soluble inserts;a closure layer is formed to close the channels in the body, and an outer envelope is formed by thermal spraying under a vacuum, after preheating; andall of the soluble inserts and the intermediate layer are eliminated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.