F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
 F01 - 
F04
Subsection index
MACHINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF04C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF04B
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
ENGINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF03C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF03C
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
PUMPS
positive displacement
rotary or oscillating pistonF04C
reciprocating piston or otherF04B
non-positive displacementF04D
  
LIGHTING; HEATING
 F26
DRYING
 F26B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM (drying devices for combines A01D 41/133; racks for drying fruit or vegetables A01F 25/12; drying foodstuffs A23; drying hair A45D 20/00; body-drying implements A47K 10/00; drying household articles A47L; drying gases or vapours B01D; chemical or physical processes for dewatering or like separating liquids from solids B01D 43/00; centrifugal apparatus B04; drying ceramics C04B 33/30; drying yarns or fabrics in association with some other form of treatment D06C; drying frames for laundry without heating or positive air circulation, domestic laundry-or spin-driers, wringing or hot pressing laundry D06F; furnaces, kilns, ovens F27)
 F26B

Note(s)

Processes using enzymes or micro-organisms in order to:

  1. liberate, separate or purify a pre-existing compound or composition, or to
  2. treat textiles or clean solid surfaces of materials
are further classified in subclass C12S.  [5]

 F26B
Subclass index
PROCESSES FOR DRYING
Preliminary treatment 1/00
Processes: with heat; without heat; by combination of both types 3/00; 5/00; 7/00
MACHINES OR APPARATUS FOR DRYING
With articles to be dried at rest or locally agitated, domestic airing 9/00
With non-progressive movement 11/00
With progressive movement: for fabrics or yarns; for articles and compact batches; for material not in compact batches 13/00; 15/00; 17/00
Other kinds 19/00
Combinations using at least two of the above kinds 20/00
ARRANGEMENTS OR DETAILS OF GENERAL APPLICATIONS
Arrangements for air or gas for drying; heating 21/00; 23/00
Other details 25/00
 F26B 1/00 - 
F26B 7/00
Processes for drying
P:70 F26B 1/00
Preliminary treatment of solid materials or objects to facilitate drying
P:90 F26B 3/00
Drying solid materials or objects by processes involving the application of heat (in specific machines or apparatus F26B 9/00-F26B 19/00)
 F26B 3/02
·  by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
 F26B 3/04
·  ·  the gas or vapour circulating over, or surrounding, the materials or objects to be dried (F26B 3/14 takes precedence)
 F26B 3/06
·  ·  the gas or vapour flowing through the materials or objects to be dried (F26B 3/14 takes precedence)
 F26B 3/08
·  ·  ·  so as to loosen them, e.g. to form a fluidised bed
 F26B 3/084
·  ·  ·  ·  with heat exchange taking place in the fluidised bed  [5]
 F26B 3/088
·  ·  ·  ·  using inert thermally-stabilised particles  [5]
 F26B 3/092
·  ·  ·  ·  agitating the fluidised bed, e.g. by vibrating or pulsating  [5]
 F26B 3/097
·  ·  ·  ·  using a magnetic field to stabilise the fluidised bed  [5]
 F26B 3/10
·  ·  the gas or vapour carrying the materials or objects to be dried with it
 F26B 3/12
·  ·  ·  in the form of a spray
 F26B 3/14
·  ·  the materials or objects to be dried being moved by gravity
 F26B 3/16
·  ·  ·  in a counter-flow of the gas or vapour
 F26B 3/18
·  by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
 F26B 3/20
·  ·  the heat source being a heated surface (F26B 3/22 takes precedence)
 F26B 3/22
·  ·  the heat source and the materials or objects to be dried being in relative motion, e.g. of vibration
 F26B 3/24
·  ·  ·  the movement being rotation
 F26B 3/26
·  ·  ·  the movement being performed by gravity
 F26B 3/28
·  by radiation, e.g. from the sun
 F26B 3/30
·  ·  from infra-red-emitting elements
 F26B 3/32
·  by development of heat within the materials or objects to be dried
 F26B 3/34
·  ·  by using electrical effects
 F26B 3/347
·  ·  ·  Electromagnetic heating, e.g. induction heating or heating using microwave energy  [4]
 F26B 3/353
·  ·  ·  Resistance heating  [4]
 F26B 3/36
·  ·  by using mechanical effects, e.g. by friction (by using ultrasonic vibration F26B 5/02)
P:100 F26B 5/00
Drying solid materials or objects by processes not involving the application of heat (separating liquids from solids by straining B01D; replacing liquids in wet solids by other liquids, e.g. water by spirit, B01D 12/00; drying by electrophoresis B01J)
 F26B 5/02
·  by using ultrasonic vibrations
 F26B 5/04
·  by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
 F26B 5/06
·  ·  the process involving freezing
 F26B 5/08
·  by centrifugal treatment
 F26B 5/10
·  ·  the process involving freezing
 F26B 5/12
·  by suction
 F26B 5/14
·  by applying pressure, e.g. wringing; by brushing; by wiping
 F26B 5/16
·  by contact with sorbent bodies, e.g. absorbent mould; by admixture with sorbent materials
P:80 F26B 7/00
Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B 3/00 or F26B 5/00
 F26B 9/00 - 
F26B 20/00
Machines or apparatus for drying
P:50 F26B 9/00
Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
 F26B 9/02
·  in buildings (special types of buildings E04H)
 F26B 9/04
·  in presses or clamping devices
 F26B 9/06
·  in stationary drums or chambers
 F26B 9/08
·  ·  including agitating devices
 F26B 9/10
·  in the open air; in pans or tables in rooms; Drying stacks of loose material
P:40 F26B 11/00
Machines or apparatus for drying solid materials or objects with movement which is non-progressive
 F26B 11/02
·  in moving drums or other mainly-closed receptacles (F26B 11/18 takes precedence)
 F26B 11/04
·  ·  rotating about a horizontal or slightly-inclined axis
 F26B 11/06
·  ·  ·  with stirring devices which are held stationary
 F26B 11/08
·  ·  rotating about a vertical or steeply-inclined axis
 F26B 11/10
·  ·  ·  with stirring devices which are held stationary
 F26B 11/12
·  in stationary drums or other mainly-closed receptacles with moving stirring devices (F26B 11/22 takes precedence)
 F26B 11/14
·  ·  the stirring device moving in a horizontal or slightly-inclined plane
 F26B 11/16
·  ·  the stirring device moving in a vertical or steeply-inclined plane
 F26B 11/18
·  on or in moving dishes, trays, pans, or other mainly-open receptacles
 F26B 11/20
·  ·  with stirring devices which are held stationary
 F26B 11/22
·  on or in stationary dishes, trays, pans, or other mainly-open receptacles, with moving stirring devices
P:10 F26B 13/00
Machines or apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
 F26B 13/02
·  with movement in a straight line
 F26B 13/04
·  ·  using rollers
 F26B 13/06
·  with movement in a sinuous or zig-zag path
 F26B 13/08
·  ·  using rollers
 F26B 13/10
·  Arrangements for feeding, heating, or supporting materials; Regulating movement, tension, or position of materials (heating processes F26B 3/00)
 F26B 13/12
·  ·  Regulating movement, tension, or position of material
 F26B 13/14
·  ·  Rollers (sorbent surfaces F26B 13/26)
 F26B 13/16
·  ·  ·  perforated (F26B 13/18 takes precedence; for applying suction F26B 13/30)
 F26B 13/18
·  ·  ·  heated; cooled
 F26B 13/20
·  ·  Supporting materials by fluid jets, e.g. air
 F26B 13/22
·  ·  Arrangements of gas flames
 F26B 13/24
·  Arrangements of devices using drying processes not involving heating (such processes per se F26B 5/00)
 F26B 13/26
·  ·  using sorbent surfaces, e.g. bands or coverings on rollers
 F26B 13/28
·  ·  for applying pressure; for brushing; for wiping
 F26B 13/30
·  ·  for applying suction, e.g. through perforated rollers
P:30 F26B 15/00
Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form (F26B 13/00, F26B 17/00 take precedence; conveyers in general B65G)
 F26B 15/02
·  with movement in the whole or part of a circle
 F26B 15/04
·  ·  in a horizontal plane
 F26B 15/06
·  ·  ·  involving several planes, one above the other
 F26B 15/08
·  ·  in a vertical plane
 F26B 15/10
·  with movement in a path composed of one or more straight lines, e.g. compound
 F26B 15/12
·  ·  the lines being all horizontal or slightly inclined
 F26B 15/14
·  ·  ·  the objects or batches of materials being carried by trays or racks
 F26B 15/16
·  ·  ·  the objects or batches of materials being carried by wheeled trucks
 F26B 15/18
·  ·  ·  the objects or batches of materials being carried by endless belts
 F26B 15/20
·  ·  the lines being all vertical or steeply inclined
 F26B 15/22
·  ·  ·  the objects or batches of materials being carried by endless belts
 F26B 15/24
·  ·  ·  ·  in a zig-zag path
 F26B 15/26
·  with movement in a helical path
P:20 F26B 17/00
Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement (F26B 13/00 takes precedence)
 F26B 17/02
·  with movement performed by belts carrying the materials; with movement performed by belts propelling the materials over stationary surfaces
 F26B 17/04
·  ·  the belts being all horizontal or slightly inclined (F26B 17/08 takes precedence)
 F26B 17/06
·  ·  the belts being all vertical or steeply inclined (F26B 17/08 takes precedence)
 F26B 17/08
·  ·  the belts being arranged in a sinuous or zig-zag path
 F26B 17/10
·  with movement performed by fluid currents, e.g. issuing from a nozzle (F26B 3/08 takes precedence)  [5]
 F26B 17/12
·  with movement performed solely by gravity
 F26B 17/14
·  ·  the materials moving through a counter-current of gas
 F26B 17/16
·  ·  the materials passing down a heated surface
 F26B 17/18
·  with movement performed by rotating helical blades or other rotary conveyers moving materials in stationary chambers
 F26B 17/20
·  ·  the axis of rotation being horizontal or slightly inclined
 F26B 17/22
·  ·  the axis of rotation being vertical or steeply inclined
 F26B 17/24
·  with movement performed by shooting or throwing the materials
 F26B 17/26
·  with movement performed by reciprocating or oscillating conveyers propelling materials over stationary surfaces; with movement performed by reciprocating or oscillating shelves, sieves, or trays
 F26B 17/28
·  with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve
 F26B 17/30
·  with movement performed by rotary or oscillating containers; with movement performed by rotary floors
 F26B 17/32
·  ·  the movement being in a horizontal or slightly-inclined plane
 F26B 17/34
·  ·  the movement being in a vertical or steeply-inclined plane
P:60 F26B 19/00
Machines or apparatus for drying solid materials or objects not covered by groups F26B 9/00-F26B 17/00
P:0 F26B 20/00
Combinations of machines or apparatus covered by two or more of groups F26B 9/00-F26B 19/00
 F26B 21/00 - 
F26B 25/00
Details of general application
P:110 F26B 21/00
Arrangements for supplying or controlling air or gases for drying solid materials or objects (air-conditioning or ventilation in general F24F)
 F26B 21/02
·  Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure (F26B 21/14 takes precedence)
 F26B 21/04
·  ·  partly outside the drying enclosure
 F26B 21/06
·  Controlling, e.g. regulating, parameters of gas supply (F26B 21/14 takes precedence)
 F26B 21/08
·  ·  Humidity
 F26B 21/10
·  ·  Temperature; Pressure
 F26B 21/12
·  ·  Velocity of flow; Quantity of flow
 F26B 21/14
·  using gases or vapours other than air or steam
P:120 F26B 23/00
Heating arrangements (using heated air or gases F26B 21/00)
 F26B 23/02
·  using combustion heating (F26B 23/10 takes precedence)
 F26B 23/04
·  using electric heating (F26B 23/10 takes precedence)
 F26B 23/06
·  ·  resistance heating
 F26B 23/08
·  ·  inductive heating; capacitative heating; microwave heating
 F26B 23/10
·  using tubes or passages containing heated fluids
P:130 F26B 25/00
Details of general application not covered by group F26B 21/00 or F26B 23/00 (loading, conveying, or unloading in general B65G)
 F26B 25/02
·  Applications of driving mechanisms, not covered by another subclass
 F26B 25/04
·  Agitating, stirring, or scraping devices
 F26B 25/06
·  Chambers, containers, or receptacles
 F26B 25/08
·  ·  Parts thereof
 F26B 25/10
·  ·  ·  Floors, roofs, or bottoms; False bottoms
 F26B 25/12
·  ·  ·  Walls or sides; Doors
 F26B 25/14
·  ·  Chambers, containers, receptacles of simple construction
 F26B 25/16
·  ·  ·  mainly closed, e.g. drum
 F26B 25/18
·  ·  ·  mainly open, e.g. dish, tray, pan
 F26B 25/20
·  Rollers (F26B 25/06 takes precedence)
 F26B 25/22
·  Controlling the drying process in dependence on liquid content of solid materials or objects