EP0138677A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Heat-exchanger tubes, heat-exchangers provided therewith and gas-turbine plants comprising such a heat-exchanger
Assignee: Office National d'Études et de Recherches Aérospatiales
•
Filing: 1984-09-21
•
Granted: —
•
Expires: 2004-09-21
Abstract
Abstract The exchanger tube comprises at least three concentric cylinders (1a, 1b, 1c) defining annular spaces (2a, 2b) in which circulate respectively the fluids between which the thermal exchanges are to be brought about, the said annular spaces comprising a plurality of radial ribs (3) interconnecting with the said cylinders (1a, 1b, 1c). The radial ribs (3) are disposed - in the annular spaces (2a, 2b) - in line with one another and are thermally integral with the walls of the cylinders (1a, 1b, 1c) which they connect, and consist of the same material as the material making up the said cylinders. <IMAGE>
Inventors
- 👤 Serge Boudigues
- 👤 André Pelissier
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 05:28
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/42; F02; F02C; F02C7/00; F02C7/08; F28D; F28D7/00; F28D7/10; F28D7/103; F28F1/422; F28F21/00; F28F21/04; F28F21/08; F05; F05D; F05D2260/00; F05D2260/20; F05D2260/205; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.