F28F

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Description

DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water or air traps, air venting F16)

Subclasses

SubclassTitle
1/00 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00)
1/02 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements of cross-section which is non-circular (F28F 1/08, F28F 1/1 take precedence)
1/04 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements of cross-section which is non-circular (F28F 1/08, F28F 1/1 take precedence) polygonal, e.g. rectangular
1/06 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements of cross-section which is non-circular (F28F 1/08, F28F 1/1 take precedence) crimped or corrugated in cross-section
1/08 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements crimped or corrugated in longitudinal section
1/10 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08)
1/12 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element
1/14 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending longitudinally (F28F 1/38 takes precedence)
1/16 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending longitudinally (F28F 1/38 takes precedence) the means being integral with the element, e.g. formed by extrusion (F28F 1/22 takes precedence)
1/18 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending longitudinally (F28F 1/38 takes precedence) the means being integral with the element, e.g. formed by extrusion (F28F 1/22 takes precedence) the element being built-up from finned sections
1/20 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending longitudinally (F28F 1/38 takes precedence) the means being attachable to the element (F28F 1/22 takes precedence)
1/22 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending longitudinally (F28F 1/38 takes precedence) the means having portions engaging further tubular elements
1/24 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending transversely (F28F 1/38 takes precedence)
1/26 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending transversely (F28F 1/38 takes precedence) the means being integral with the element (F28F 1/32 takes precedence)
1/28 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending transversely (F28F 1/38 takes precedence) the means being integral with the element (F28F 1/32 takes precedence) the element being built-up from finned sections
1/30 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending transversely (F28F 1/38 takes precedence) the means being attachable to the element (F28F 1/32 takes precedence)
1/32 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending transversely (F28F 1/38 takes precedence) the means having portions engaging further tubular elements
1/34 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending obliquely (F28F 1/38 takes precedence)
1/36 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and extending obliquely (F28F 1/38 takes precedence) the means being helically-wound fins or wire spirals
1/38 Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) the means being only outside the tubular element and being staggered to form tortuous fluid passages

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