Thermal shield for heat exchangers

Details Thermal shield for heat exchangers Thermal shield for heat exchangers

2007-03-06

2007-03-06

Walberg, Teresa J. (Department: 3744)

Heat exchange

With thermal or acoustical blocker

C165S158000, C165S176000

Reexamination Certificate

active

11040581

ABSTRACT:
An improved heat exchanger that reduces the thermal stress in components thereof especially tube plates or tube sheets so as to enable greater temperature differences across adjacent components while reducing the temperature gradient and thus extending the life of the heat exchanger is accomplished by attaching or bonding an insulating material of low thermal conductivity such as a sheet of PTFE, a metal jacketed layer of insulating cork or nonmetallic composite such as micarta sheeting to the metal component or tube sheet or tube plate.

REFERENCES:
patent: 3568764 (1971-03-01), Newman et al.
patent: 4034803 (1977-07-01), Reed et al.
patent: 4706743 (1987-11-01), Chalimbaud
patent: 5350011 (1994-09-01), Sylvester
patent: 6334483 (2002-01-01), Berglund et al.
patent: 6904959 (2005-06-01), Pigatto
patent: 60-256797 (1985-12-01), None

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