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  • F28F1/00
    		•  Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) HB CC 3L063
  • F28F1/00@A
    		•  with partitions HB CC 3L063
  • F28F1/00@B
    		•  Characterized by the overall shape HB CC 3L063
  • F28F1/00@C
    		•  protection, safety (involving double-wall pipes) HB CC 3L063
  • F28F1/00@D
    		•  .by leakage detection HB CC 3L063
  • F28F1/00@E
    		•  assembly of tubular elements HB CC 3L063
  • F28F1/00@Z
    		•  Others HB CC 3L063
  • F28F1/02
    		•  .Tubular elements of cross-section which is non-circular (F28F 1/08, F28F 1/10 take precedence) HB CC 3L063
  • F28F1/02@A
    		•  flat pipes, elliptical pipes HB CC 3L063
  • F28F1/02@B
    		•  .with partitions HB CC 3L063
  • F28F1/02@Z
    		•  Others HB CC 3L063
  • F28F1/04
    		•  ..polygonal, e.g. rectangular HB CC 3L063
  • F28F1/06
    		•  ..crimped or corrugated in cross-section HB CC 3L063
  • F28F1/08
    		•  .Tubular elements crimped or corrugated in longitudinal section HB CC 3L063
  • F28F1/10
    		•  .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) HB CC 3L063
  • F28F1/10@A
    		•  with fine uneven porous layers HB CC 3L063
  • F28F1/10@Z
    		•  Others HB CC 3L063
  • F28F1/12
    		•  ..the means being only outside the tubular element HB CC 3L063
  • F28F1/12@A
    		•  pin shaped, stud shaped HB CC 3L063
  • F28F1/12@B
    		•  using bar wires HB CC 3L063
  • F28F1/12@C
    		•  .processed HB CC 3L063
  • F28F1/12@D
    		•  using wire netting HB CC 3L063
  • F28F1/12@E
    		•  with fine uneven porous layers HB CC 3L063
  • F28F1/12@F
    		•  .integrated with pipes HB CC 3L063
  • F28F1/12@G
    		•  Characterized by fin materials and fin surface treatment HB CC 3L063
  • F28F1/12@Z
    		•  Others HB CC 3L063
  • F28F1/14
    		•  ...and extending longitudinally (F28F 1/38 takes precedence) HB CC 3L063
  • F28F1/16
    		•  ....the means being integral with the element, e.g. formed by extrusion (F28F 1/22 takes precedence) HB CC 3L063
  • F28F1/16@A
    		•  processed for increasing heat transfer to the fin surface HB CC 3L063
  • F28F1/16@Z
    		•  Others HB CC 3L063
  • F28F1/18
    		•  .....the element being built-up from finned sections HB CC 3L063
  • F28F1/20
    		•  ....the means being attachable to the element (F28F 1/22 takes precedence) HB CC 3L063
  • F28F1/22
    		•  ....the means having portions engaging further tubular elements HB CC 3L063
  • F28F1/22@A
    		•  pipe on-sheet type HB CC 3L063
  • F28F1/22@Z
    		•  Others HB CC 3L063
  • F28F1/24
    		•  ...and extending transversely (F28F 1/38 takes precedence) HB CC 3L063
  • F28F1/26
    		•  ....the means being integral with the element (F28F 1/32 takes precedence) HB CC 3L063
  • F28F1/26@A
    		•  processed for increasing heat transfer to the fin surface HB CC 3L063
  • F28F1/26@B
    		•  .with notched pieces or with cut and folded pieces HB CC 3L063
  • F28F1/26@Z
    		•  Others HB CC 3L063
  • F28F1/28
    		•  .....the element being built-up from finned sections HB CC 3L063
  • F28F1/30
    		•  ....the means being attachable to the element (F28F 1/32 takes precedence) HB CC 3L063
  • F28F1/30@A
    		•  corrugated fin type HB CC 3L063
  • F28F1/30@B
    		•  .joint of pipes and fins HB CC 3L063
  • F28F1/30@C
    		•  .processed for increasing heat transfer to the fin surface HB CC 3L063
  • F28F1/30@D
    		•  ..with notched and folded pieces HB CC 3L063
  • F28F1/30@E
    		•  .ejection of condensed water and dew condensation water HB CC 3L063
  • F28F1/30@Z
    		•  Others HB CC 3L063
  • F28F1/32
    		•  ....the means having portions engaging further tubular elements HB CC 3L063
  • F28F1/32@A
    		•  joint of pipes and fins HB CC 3L063
  • F28F1/32@B
    		•  .by welding and soldering HB CC 3L063
  • F28F1/32@C
    		•  .by expanded pipes HB CC 3L063
  • F28F1/32@D
    		•  .by fin collars or notched and folded HB CC 3L063
  • F28F1/32@E
    		•  .using fittings HB CC 3L063
  • F28F1/32@F
    		•  fin shape (involving thickness and shape) HB CC 3L063
  • F28F1/32@G
    		•  fin materials, fin surface treatment HB CC 3L063
  • F28F1/32@H
    		•  .fin surfaces subjected to the hydrophilic treatment HB CC 3L063
  • F28F1/32@J
    		•  reinforcing of fins HB CC 3L063
  • F28F1/32@K
    		•  processed for increasing heat transfer to the fin surface HB CC 3L063
  • F28F1/32@L
    		•  .with irregularities HB CC 3L063
  • F28F1/32@M
    		•  ..fin surfaces being corrugated HB CC 3L063
  • F28F1/32@N
    		•  .with notches HB CC 3L063
  • F28F1/32@P
    		•  .with notched and folded HB CC 3L063
  • F28F1/32@Q
    		•  ..arrangement, layout HB CC 3L063
  • F28F1/32@R
    		•  ..Notched and folded being in a slit shape or in a louber shape HB CC 3L063
  • F28F1/32@S
    		•  ...arrangement, layout HB CC 3L063
  • F28F1/32@T
    		•  ..Characterized by a combination with corrugated fins HB CC 3L063
  • F28F1/32@U
    		•  .Characterized by a combination of uneven sections, notched sections or notched and folded sections HB CC 3L063
  • F28F1/32@V
    		•  arrangement and layout of fins HB CC 3L063
  • F28F1/32@W
    		•  arrangement and layout of pipes HB CC 3L063
  • F28F1/32@X
    		•  holding the interval between fins HB CC 3L063
  • F28F1/32@Y
    		•  ejection of condensed water and dew condensation water HB CC 3L063
  • F28F1/32@Z
    		•  Others HB CC 3L063
  • F28F1/34
    		•  ...and extending obliquely (F28F 1/38 takes precedence) HB CC 3L063
  • F28F1/36
    		•  ....the means being helically-wound fins or wire spirals HB CC 3L063
  • F28F1/36@A
    		•  integrated with pipes HB CC 3L063
  • F28F1/36@B
    		•  added to pipes HB CC 3L063
  • F28F1/36@C
    		•  .using bar wires HB CC 3L063
  • F28F1/36@D
    		•  .joint of pipes and fins HB CC 3L063
  • F28F1/36@E
    		•  .processed for increasing heat transfer to the fin surface HB CC 3L063
  • F28F1/36@F
    		•  ..with many cut pieces HB CC 3L063
  • F28F1/36@Z
    		•  Others HB CC 3L063
  • F28F1/38
    		•  ...and being staggered to form tortuous fluid passages HB CC 3L063
  • F28F1/40
    		•  ..the means being only inside the tubular element HB CC 3L063
  • F28F1/40@A
    		•  integrated with pipes (R takes precedence) HB CC 3L063
  • F28F1/40@B
    		•  .extended vertically HB CC 3L063
  • F28F1/40@C
    		•  .extended horizontally HB CC 3L063
  • F28F1/40@D
    		•  .extended obliquely, spiral HB CC 3L063
  • F28F1/40@E
    		•  .formed from one plate material HB CC 3L063
  • F28F1/40@F
    		•  added to pipes (R takes precedence) HB CC 3L063
  • F28F1/40@G
    		•  .using hollow bodies and columnar bodies HB CC 3L063
  • F28F1/40@H
    		•  .using laminar bodies HB CC 3L063
  • F28F1/40@J
    		•  ..extended vertically (M and N take precedence) HB CC 3L063
  • F28F1/40@K
    		•  ...with notched pieces or with notched and folded pieces HB CC 3L063
  • F28F1/40@L
    		•  ..causing circling flow HB CC 3L063
  • F28F1/40@M
    		•  ...by spiral bodies HB CC 3L063
  • F28F1/40@N
    		•  ..corrugated fins HB CC 3L063
  • F28F1/40@P
    		•  .using bar wires HB CC 3L063
  • F28F1/40@Q
    		•  .using wire netting HB CC 3L063
  • F28F1/40@R
    		•  with porous layers HB CC 3L063
  • F28F1/40@Z
    		•  Others HB CC 3L063
  • F28F1/42
    		•  ..the means being both outside and inside the tubular element HB CC 3L063
  • F28F1/42@A
    		•  both internal and external fins being formed together with pipes HB CC 3L063
  • F28F1/42@B
    		•  .internal fins being spiral HB CC 3L063
  • F28F1/42@C
    		•  only internal fins being formed together with pipes HB CC 3L063
  • F28F1/42@D
    		•  only external fins being formed together with pipes HB CC 3L063
  • F28F1/42@E
    		•  both internal and external fins being added to pipes HB CC 3L063
  • F28F1/42@Z
    		•  Others HB CC 3L063
  • F28F1/44
    		•  ...and being formed of wire mesh HB CC 3L063
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