EP 0056744 A3 19820804 - HEAT EXCHANGERS WITH BUNDLES OF STRAIGHT OR UNDULATING TUBES, ESPECIALLY ON SYSTEMS OF SUPPORTING TUBES, AND METHOD OF REALISING SUCH SYSTEMS
Title (en)
HEAT EXCHANGERS WITH BUNDLES OF STRAIGHT OR UNDULATING TUBES, ESPECIALLY ON SYSTEMS OF SUPPORTING TUBES, AND METHOD OF REALISING SUCH SYSTEMS
Publication
Application
Priority
- FR 8100212 A 19810108
- FR 8102993 A 19810216
Abstract (en)
[origin: US4573528A] An improved heat exchanger, applicable especially, but not exclusively, to a steam generator, preferably with straight or corrugated tubes (5) arranged in vertical concentric rows. The tubes (5) are maintained at certain axial levels thereof by concentric supporting systems, each of which consists of a zigzag circular strip (21) having alternate trapezoidal cells, and welded to a surrounding supporting strip (20). In the systems disposed at uncorrugated or "fixed" axial levels, the zigzag strip cells are shut off, after installation of the tubes (5), by a closing strip (22) to which is welded the supporting strip (20n) of the supporting system which is adjacent along the radial direction of the cylindrical casing (11), characterized in that at least some of the supporting systems (20, 21 . . . 20n, 21n) are independent of the supporting systems in the radial direction and form groups of supporting systems, and in that radial arms (14, 14', 14n) are provided for retaining said independent supporting systems.
IPC 1-7
IPC 8 full level
F28D 7/08 (2006.01); F28F 9/013 (2006.01); F28F 9/22 (2006.01)
CPC (source: EP US)
F28D 7/08 (2013.01 - EP US); F28F 9/0133 (2013.01 - EP US); F28F 9/22 (2013.01 - EP US); Y10S 165/419 (2013.01 - EP US)
Citation (search report)
- DE 2100664 A1 19720720
- US 3134432 A 19640526 - MEANS HERBERT E
- GB 2024399 A 19800109 - ECOLAIRE INC
- FR 2355191 A1 19780113 - CREUSOT LOIRE [FR], et al
- FR 2266866 A2 19751031 - TREPAUD GEORGES [FR]
- FR 2461221 A1 19810130 - STEIN INDUSTRIE
- DE 1303351 B
- FR 2379788 A1 19780901 - GEN ATOMIC CO [US]
- FR 2346662 A1 19771028 - LINDE AG [DE], et al
- GB 1306864 A 19730214 - HEAD WRIGHTSON & CO LTD
- FR 1491534 A 19670811 - CT D ETUDES POUR L IND PHARMA
- FR 2293684 A2 19760702 - TREPAUD GEORGES [FR]
- US 2980404 A 19610418 - ANDERSEN CARL P, et al
- FR 2077865 A1 19711105 - TREPAUD GEORGES
- FR 65106 E 19560126 - CHAUSSON USINES SA
- FR 2172799 A1 19731005 - TREPAUD GEORGES [FR]
- FR 1364849 A 19640626 - MOTALA VERKSTAD AB
Designated contracting state (EPC)
AT BE CH DE GB IT LU NL SE
DOCDB simple family (publication)
EP 0056744 A2 19820728; EP 0056744 A3 19820804; EP 0056744 B1 19831214; BR 8200057 A 19821026; CA 1208995 A 19860805; DE 3260017 D1 19840119; US 4573528 A 19860304
DOCDB simple family (application)
EP 82400008 A 19820105; BR 8200057 A 19820107; CA 393584 A 19820105; DE 3260017 T 19820105; US 33553781 A 19811229