Pipes and tubular conduits – Distinct layers – With intermediate insulation layer
Patent
1979-05-14
1981-04-21
Bryant, III, James E.
Pipes and tubular conduits
Distinct layers
With intermediate insulation layer
138108, 138172, F16L 5912
Patent
active
042627052
ABSTRACT:
In a hot gas duct wherein it is desirable to retain heat within the duct by insulated sidewalls and wherein the duct is substantially longer than it is wide, it is necessary to support the duct against excessive deformation in the lateral direction. Exterior support structures are unacceptable because locating cross members or struts becomes problematic. Interior support structures must be carefully designed so as not to inhibit thermal expansion and contraction within the duct. It is proposed that a lateral bracing system or truss be disposed entirely inside the hot gas path and provision be made to ensure adequate facility for uniform expansion of the truss within the hot gas duct.
REFERENCES:
patent: 279392 (1883-06-01), Johnstone
patent: 3202184 (1965-08-01), Godshalk
patent: 3557838 (1971-01-01), Savage
patent: 3776253 (1973-12-01), Yamaguchi et al.
Bethel Lawrence L.
Clemens Ralph S.
Skinner David R.
Bryant III James E.
General Electric Company
Mitchell James W.
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