| ReturnTo Theme-Group-Choice | Onelevelup |
| 3L103 | HEAT-EXCHANGE DEVICES WITH RADIATORS AND CONDUIT ASSEMBLIES | |
| F28D1/00 -13/00 | ||
| F28D1/00-13/00 | AA | AA00 PURPOSE OR EFFECTS |
AA01 | AA02 | AA03 | AA05 | AA06 | AA08 | AA09 | AA10 | ||
| . Improvement of manufacturing and assembly | . Improvement of mounting and installation | . . Improvements of mounting and installation of the exchanger body | . Size reduction, simplification, and weight reduction | . . Integration of multiple heat exchangers | . Measures to prevent heat stress | . . Measures for equalization of temperature distribution | . . Measures to compensate for uneven heating expansion | |||||
| AA11 | AA12 | AA13 | AA14 | AA16 | AA17 | AA18 | AA19 | AA20 | ||||
| . Improvements for strengthening structure and shape | . Measures for prevention and resistance of corrosive abrasion | . Measures for sealing of heat-exchange media and leakage prevention | . Improvement of air-drawing devices | . Measures to prevent loss of pressure | . . Structural measures to reduce pressure loss | . . . Structures for the equalization of fluid resistance and prevention of flow deflection | . . Measures for shutting off and retaining heat-exchange media | . . . Measures to prevent scale formation and crystal deposition | ||||
| AA22 | AA23 | AA25 | AA26 | AA27 | AA29 | AA30 | ||||||
| . . . Measures to prevent water condensation | . . . Improvements for cleaning heat-transfer surfaces | . Measures for high-viscosity liquids | . Improvements related to fire resistance, heat resistance, and weather resistance | . Improvements in durability, reliability, and longevity | . Noise prevention, vibration prevention, and measures for reducing noise and vibration | . Measures to prevent rapid heating and rapid cooling | ||||||
| AA31 | AA32 | AA33 | AA35 | AA36 | AA37 | AA38 | AA39 | AA40 | ||||
| . Improvement of operation, checking, and maintenance | . Energy recovery and energy conservation | . Improvement of control | . Improvement of the capacity of the heat exchanger | . . Measures to increase the heat-exchange ability | . . Improvement of heat-exchange efficiency | . . Improvement of dehumidification ability | . . Improvement of the generation of turbulence | . . Improvement of dampness | ||||
| AA41 | AA42 | AA43 | AA44 | AA46 | AA50 | |||||||
| . Improvement of testing and measurement of heat-exchange capability | . Safety measures | . . Safety measures for humans | . . Safety measures for accidents and breakage of equipment | . Environmental-protection measures | . Others* | |||||||
| BB | BB00 USES |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB08 | BB09 | |||
| . Industrial uses | . . Combustion furnaces | . . . Heating furnaces | . . . Baking furnaces | . . . Boilers and power generation | . . . Incinerators | . . Nuclear reactors | . . . Fast-breeder nuclear reactors | |||||
| BB12 | BB13 | BB14 | BB15 | BB16 | BB17 | BB19 | BB20 | |||||
| . . Mechanical devices | . . . Air compressors | . . . . Intercoolers for air compressors | . . . Industrial engines | . . . . Cooling of industrial engines | . . . . Gas and air burning of industrial engines | . . . Electrical machines | . . . . Electrical machines | |||||
| BB22 | BB25 | BB26 | BB27 | BB28 | BB29 | BB30 | ||||||
| . . . Instruments for use in outer space | . . . Treatment of raw materials and waste | . . . Chemical plants | . . . Gasification, liquefaction, and solidification treatment | . . . . Salt-water-separation apparatuses | . . . . Air-separation apparatuses | . . . . Treatment of liquefied natural gas | ||||||
| BB32 | BB33 | BB34 | BB35 | BB37 | BB38 | BB39 | BB40 | |||||
| . . . Processing of corrosive liquids | . . Freezing devices | . . Plant cultivation | . . Food processing | . Vehicles and aircraft | . . Air-conditioners for vehicles and aircraft | . . Vehicle and aircraft engines | . . Charging air for vehicle and aircraft engines | |||||
| BB41 | BB42 | BB43 | BB44 | BB45 | BB50 | |||||||
| . Homes and offices | . . Air-conditioning and ventilation | . . Hot-water and cold-water supply | . . Refrigerators | . . Medical uses | . Others* | |||||||
| CC | CC00 HEAT EXCHANGE MEDIA |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC08 | CC09 | CC10 | ||
| . Liquids | . . Water | . . . Salt water | . . . Hot-springs water, geothermal water, and underground water | . . . Factory exhaust water | . . . Domestic water | . . Oil | . . . Engine oil | . . . Fuel oil | ||||
| CC12 | CC13 | CC14 | CC15 | CC17 | CC18 | CC20 | ||||||
| . . Liquids for processing | . . Blood | . . Molten metals | . . High-viscosity and highly-fluid liquids | . . Gas and liquid mixtures | . . . Evaporation of liquids | . . Mixtures of solids and liquids | ||||||
| CC21 | CC22 | CC23 | CC24 | CC26 | CC27 | CC28 | CC29 | CC30 | ||||
| . Gases | . . Air | . . . Air for air conditioning | . . . Air for combustion | . . Starting gases for processing, and exhaust gases | . . Fuel gases or exhaust gases from combustion | . . Freon gas | . . Helium gas | . . Condensed gas | ||||
| CC32 | CC35 | CC40 | ||||||||||
| . . Mixtures of solids and gases | . Granular substances and powdery substances | . Others* | ||||||||||
| DD | DD00 STRUCTURE |
DD01 | DD02 | DD03 | DD04 | DD05 | DD06 | DD08 | DD09 | DD10 | ||
| . Heat-exchange conduits | . . Fixed conduits | . . . Tubular conduits | . . . . Bent tubular conduits | . . . . . Coiled tubes | . . . . . Tubes with U-shaped cross-sections | . . . . Linear tubes | . . . . Two or more types of tubes | . . . . . Two or more types of tubes with different diameters | ||||
| DD12 | DD13 | DD14 | DD15 | DD17 | DD18 | DD19 | ||||||
| . . . Plate-shaped conduits | . . . . Curved plates | . . . . . Coiled plates | . . . . Flat plates | . . . Fluid flow-guide plates | . . . . Partition walls and flat walls | . . . . Baffle plates and deflection plates | ||||||
| DD22 | DD24 | DD25 | DD26 | DD27 | DD28 | DD30 | ||||||
| . . . Three or more fluid flow paths | . . Moving conduits | . . . Movable conduits | . . . . Rotary movement of conduits | . . . . . Rotary movement of tubes or tube bundles | . . . . Reciprocal movement and oscillating movement of conduits | . . . Fluidized beds and layers | ||||||
| DD31 | DD32 | DD33 | DD34 | DD36 | DD37 | DD38 | ||||||
| . Tube shapes | . . Flattened tubes | . . Tubes with fins | . . . Corrugated tubes with fins | . . Processing of tubes, inner surfaces of tubes, and outer surfaces of tubes | . . Multi-layered tubes | . . . Double tubes, inner tubes and exterior tubes | ||||||
| DD42 | DD43 | DD44 | DD45 | |||||||||
| . . Tubes with headers and tanks | . . . Headers and tanks that are divided | . . Tubular plates | . . Tubes with spacers | |||||||||
| DD51 | DD52 | DD53 | DD54 | DD55 | DD56 | DD57 | DD58 | |||||
| . Plate shapes | . . Flat plates | . . Plates with fins | . . . Plates with corrugated fins | . . Plates with headers and tanks | . . Plates with processed shapes | . . . Plates with surface indentations and projections | . . . Plates with slits and holes | |||||
| DD61 | DD62 | DD63 | DD64 | DD66 | DD67 | DD68 | DD69 | DD70 | ||||
| . Elements other than plates and tubes | . . Containers of heat-exchangers | . . . Pressure containers | . . . Jacket-type containers | . . Cooling towers | . . Fans and blowers | . . Combustors | . . Condensers | . . Heat pumps and heat pipes | ||||
| DD72 | DD73 | |||||||||||
| . . Dust-prevention nets | . . Heat exchangers without housings | |||||||||||
| DD81 | DD82 | DD83 | DD84 | DD85 | DD86 | DD87 | ||||||
| . Heat-exchange element materials | . . Tube materials* | . . . Resin tubes | . . . Ceramic tubes | . . . Aluminum tubes | . . . Porous tubes | . . . Surface-treated tubes | ||||||
| DD92 | DD93 | DD94 | DD95 | DD97 | DD98 | DD99 | ||||||
| . . Plate materials | . . . Resin plates | . . . Ceramic plates | . . . Surface-treated plates | . . Fin materials | . . Materials other than materials of plates, tubes, and fins* | . Others* |