Heat shield

Details Heat shield Heat shield

2005-05-10

2005-05-10

Walberg, Teresa J. (Department: 3742)

Heat exchange

Side-by-side tubular structures or tube sections

With manifold type header or header plate

C165S076000, C165S095000, C165S011100

Reexamination Certificate

active

06889760

ABSTRACT:
A method and apparatus for protecting personnel required to work inside of a heat exchanger unit when the cooling air fan has been taken out service for maintenance or repair of the fan or other mechanical equipment, while hot fluid continues to flow through the heat exchanger tubes, and adjacent heat exchanger units continue to operate. An inflatable heat shield is inserted into the out of service heat exchanger unit, and inflated therein to block the convective heat generated by the hot fluid and the adjacent operating units from reaching the personnel working inside the heat exchanger unit.

REFERENCES:
patent: 4170010 (1979-10-01), Reed
patent: 4200172 (1980-04-01), Meuschke
patent: 4526311 (1985-07-01), Schroder
patent: 4535727 (1985-08-01), Ziegler
patent: 4984627 (1991-01-01), LeBourgeois
patent: 4986343 (1991-01-01), Sing
patent: 5025854 (1991-06-01), Richter
patent: 20020139408 (2002-10-01), Mitzner
patent: WO 9200121 (1992-01-01), None

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