Title:
U-BEND TUBE COMPRESSION/DISTORTION STABILIZATION SYSTEM (CDSS)
Document Type and Number:
WIPO Patent Application WO/2014/011516
Kind Code:
A3
Abstract:
This patent discloses and claims a system for providing in-plane stabilization to the tubes of a heat exchanger. The system increases the friction between the tubes and the existing anti-vibration bars by pressing the tube bundle together in the out-of-plane direction. The invention involves a structure that develops forces by reacting either off the inner diameter of the tube bundle wrapper, or off an assembled stressor hoop, which is self-supporting on top of the tube bundle, or involves purposely deforming connecting hoops to bias the anti-vibration bars in a way that the tube U-bend is no longer planar. It imposes a controlled clamping and/or deforming force on the tube bundle, either by direct contact with the outer tubes or indirectly via the existing anti -vibration bar structure.
Inventors:
STEWART DONALD R (US)
Application Number:
PCT/US2013/049512
Publication Date:
March 13, 2014
Filing Date:
July 08, 2013
Export Citation:
Assignee:
AREVA NP INC (US)
International Classes:
F22B37/20
Foreign References:
| GB2174484A | 1986-11-05 | |||
| US20030196786A1 | 2003-10-23 | |||
| EP0731328A1 | 1996-09-11 | |||
| US5570739A | 1996-11-05 | |||
| EP0633427A1 | 1995-01-11 |
Attorney, Agent or Firm:
O'HANLON, Sean, P. (Alexandria, VA, US)
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