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IPC 7
 
B64C-B64C01150
  B64C 13/00 - B64C 39/12  

SECTION B – PERFORMING OPERATIONS; TRANSPORTING


B 64AIRCRAFT; AVIATION; COSMONAUTICS


B 64 CAEROPLANES; HELICOPTERS (air-cushion vehicles B60V)


Note

 As far as possible, classification is made according to constructional features; classification according to particular kinds of aircraft is normally regarded as being of secondary importance, except in cases where this is considered to be the characteristic feature.  [3]


Subclass Index

STRUCTURES, FAIRINGS 

Features common to different elements 

B64C 1/00 

Fuselages; wings; stabilising surfaces 

B64C 1/00; B64C 3/00; B64C 5/00 

Other structural elements 

B64C 7/00 

PROPELLERS, FLIGHT CONTROL 

Propellers 

B64C 11/00 

Adjustable control surfaces or members; control systems 

B64C 9/00; B64C 13/00 

Control by jet reaction 

B64C 15/00 

Stabilisation and controls not otherwise provided for 

B64C 17/00, B64C 19/00 

MODIFYING LIFT BY ACTION ON AIR-FLOW 

B64C 13/00, B64C 21/00, B64C 23/00 

ALIGHTING GEAR 

B64C 25/00 

AIRCRAFT KINDS AND THEIR COMPONENTS NOT OTHERWISE PROVIDED FOR 

Supersonic 

B64C 30/00 

Seaplanes 

B64C 35/00 

Aircraft intended to be sustained without power plant; powered hand-glider-type aircraft; microlight aircraft 

B64C 31/00 

Convertible aircraft 

B64C 37/00 

Vertical-take-off or landing aircraft 

B64C 29/00 

Rotorcraft; ornithopters 

B64C 27/00; B64C 33/00 

Others 

B64C 39/00 



Aircraft structures or fairings (boundary-layer controls B64C 21/00)


1/

00Fuselages; Constructional features common to fuselages, wings, stabilising surfaces, or the like (aerodynamical features common to fuselages, wings, stabilising surfaces, or the like B64C 23/00; flight-deck installations B64D)

1/

06.Frames; Stringers; Longerons

1/

08..Geodetic or other open-frame structures

1/

10..Bulkheads

1/

12..Construction or attachment of skin panels

1/

14.Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens (fairings movable in conjunction with undercarriage elements B64C 25/16; bomb doors B64D 1/06)

1/

16.specially adapted for mounting power plant

1/

18.Floors

1/

20..specially adapted for freight

1/

22.Other structures integral with fuselages to facilitate loading

1/

24.Steps mounted on, and retractable within, fuselages (readily removable B64D 9/00)

1/

26.Attaching the wing or tail units or stabilising surfaces

1/

28.Parts of fuselage relatively movable to improve pilots view

1/

30.Parts of fuselage relatively movable to reduce overall dimensions of aircraft

1/

32.Severable or jettisonable parts of fuselage facilitating emergency escape (ejector seats B64D 25/10)

1/

34.comprising inflatable structural components (connection of valves to inflatable elastic bodies B60C 29/00)

1/

36.adapted to receive aerials or radomes (aerials or radomes per se H01Q)

1/

38.Constructions adapted to reduce effects of aerodynamic or other external heating

1/

40.Sound or heat insulation


3/

00Wings (stabilising surfaces B64C 5/00; ornithopter wings B64C 33/02)

3/

10.Shape of wings

3/

14..Aerofoil profile

3/

16..Frontal aspect

3/

18.Spars; Ribs; Stringers (attaching wing unit to fuselage B64C 1/26)

3/

20.Integral or sandwich constructions (layered products or sandwich constructions in general B32B)

3/

22.Geodetic or other open-frame structures

3/

24.Moulded or cast structures

3/

26.Construction, shape, or attachment of separate skins, e.g. panels

3/

28.Leading or trailing edges attached to primary structures, e.g. forming fixed slots

3/

30.comprising inflatable structural components (connection of valves to inflatable elastic bodies B60C 29/00)

3/

32.specially adapted for mounting power plant

3/

34.Integrally-constructed tanks, e.g. for fuel (other aircraft fuel tanks or fuel systems B64D)

3/

36.Structures adapted to reduce effects of aerodynamic or other external heating

3/

38.Adjustment of complete wings or parts thereof

3/

40..Varying angle of sweep

3/

42..Adjusting about chordwise axes

3/

44..Varying camber

3/

46...by inflatable elements (connection of valves to inflatable elastic bodies B60C 29/00)

3/

48...by relatively-movable parts of wing structures

3/

50...by leading or trailing edge flaps (ailerons B64C 9/00)

3/

52..Warping

3/

54..Varying in area (flaps extendable to increase camber B64C 3/44)

3/

56..Folding or collapsing to reduce overall dimensions of aircraft

3/

58.provided with fences or spoilers (adjustable for control purposes B64C 9/00)


5/

00Stabilising surfaces (attaching stabilising surfaces to fuselage B64C 1/26)

5/

02.Tailplanes (fins B64C 5/06)

5/

04.Noseplanes

5/

06.Fins (specially for wings B64C 5/08)

5/

08.mounted on, or supported by, wings

5/

10.adjustable

5/

12..for retraction against or within fuselage or nacelle

5/

14..Varying angle of sweep

5/

16..about spanwise axes

5/

18..in area


7/

00Structures or fairings not otherwise provided for

7/

02.Nacelles



9/

00Adjustable control surfaces or members, e.g. rudders (trimming stabilising surfaces B64C 5/10; systems for actuating flying-control surfaces B64C 13/00)

9/

02.Mounting or supporting thereof

9/

04.with compound dependent movements

9/

06.with two or more independent movements

9/

08.bodily displaceable (varying camber of wings B64C 3/44)

9/

10.one surface adjusted by movement of another, e.g. servo tabs (B64C 9/04 takes precedence; adjusting surfaces of different type or function B64C 9/12)

9/

12.surfaces of different type or function being simultaneously adjusted

9/

14.forming slots (boundary-layer control B64C 21/00)

9/

16..at the rear of the wing

9/

18...by single flaps

9/

20...by multiple flaps

9/

22..at the front of the wing

9/

24...by single flap

9/

26...by multiple flaps

9/

28..by flaps at both the front and rear of the wing operating in unison

9/

30.Balancing hinged surfaces, e.g. dynamically

9/

32.Air braking surfaces (braking by parachutes B64D 17/80)

9/

34.collapsing or retracting against or within other surfaces or other members

9/

36..the members being fuselages or nacelles

9/

38.Jet flaps


11/

00Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (rotors specially adapted for rotorcraft B64C 27/32)

11/

02.Hub construction

11/

04..Blade mountings

11/

06...for variable-pitch blades

11/

08...for non-adjustable blades

11/

10....rigid

11/

12....flexible

11/

14..Spinners

11/

16.Blades

11/

18..Aerodynamic features

11/

20..Constructional features

11/

22...Solid blades

11/

24...Hollow blades

11/

26...Fabricated blades

11/

28...Collapsible or foldable blades

11/

30.Blade pitch-changing mechanisms

11/

32..mechanical

11/

34...automatic

11/

36...non-automatic

11/

38..fluid, e.g. hydraulic

11/

40...automatic

11/

42...non-automatic

11/

44..electric

11/

46.Arrangements of, or constructional features peculiar to, multiple propellers

11/

48..Units of two or more coaxial propellers

11/

50..Phase synchronisation between multiple propellers

   B64C 13/00 - B64C 39/12  
 

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