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IPC 7
 
F16K-F16K01124
  F16K 13/00 - F16K 51/02  

SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING


F 16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL


F 16 KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING


Notes

(1)Attention is drawn to the Notes following the titles of class B81 and subclass B81B relating to "micro-structural devices" and "micro-structural systems". [7]

(2)Attention is drawn to the following places:

 A47J 27/09  Safety devices for pressure cookers 

 A47J 31/46  Dispensing spouts, drain valves or like beverage-making apparatus 

 A61B 5/0235  Valves specially adapted for measuring pressure in heart or blood vessels 

 A61F 2/24  Heart valves 

 A61M 16/20  Valves specially adapted for medical respiratory devices 

 A61M 39/00  Tube connectors, tube couplings, valves or branch units specially adapted for medical use in general 

 A62B 9/02  Valves for respiratory apparatus 

 A62B 18/10  Valves for breathing masks or helmets 

 A62C  Fire extinguishers 

 B05B  Nozzles, spray heads or other discharge apparatus for spraying or atomising 

 B60C 29/00  Arrangements of tyre-inflating valves relative to tyres or wheel rims; Connection of valves to wheel rims, tyres or other inflatable elastic bodies 

 B60G 17/048  Valves specially adapted for adjusting vehicle fluid-spring characteristics 

 B60T  Valves specially adapted for vehicle brake control systems 

 B62D 5/08  Vehicle power-assisted steering characterised by the type of valve used 

 B63B 7/00, B63C 9/00  Arrangement of inflating valves for floatable live-saving equipment 

 B65D 47/04  Container closures with discharging valves 

 B65D 83/28, B65D 83/44  Nozzles or valves specially adapted for aerosol containers 

 B65D 90/32  Safety valves for large containers 

 B65D 90/54  Gates or closures on large containers 

 B67C 3/28  Flow control devices for bottling liquids 

 B67D  Dispensing, delivering or transferring liquids 

 E02B 8/00  Details, e.g. valves, of barrages or weirs 

 E02B 13/02  Closures for irrigation conduits 

 E03D  Flushing valves for water-closets or urinals 

 E05F 3/12  Valve arrangement in door closers 

 E21B 21/10  Valve arrangements in drilling-fluid circulation systems 

 E21B 34/00  Valve arrangements for boreholes or wells 

 F01B 25/10  Working-fluid valves for controlling machines or engines in general or of positive-displacement type 

 F01D 17/10  Final actuators for controlling non-positive displacement machines or engines 

 F01L  Cyclically operated valves for machines or engines 

 F02D 9/08  Throttle valves for controlling combustion engines 

 F02K 9/58  Propellant feed valves for rocket-engines 

 F02M  Carburettors, fuel injection 

 F02M 59/46  Valves for fuel injection pumps 

 F04  Pumps 

 F16F 9/34  Valves for shock absorbers 

 F16L 29/00, F16L 37/28  Pipe joints or quick-acting couplings with fluid cut-off means 

 F16L 55/00  Arrangement of valves in pipes 

 F16L 55/055  Valves specially adapted to prevent or minimise the effect of water hammer 

 F16L 55/46  Launching devices for pigs or moles 

 F16N 23/00  Check valves for lubrication systems 

 F17C 13/04  Arrangement of valves in pressure vessels 

 F22B 37/44  Arrangement of safety valves on steam boilers 

 F22D 5/34  Application of valves to automatic water-feed in boiler 

 F23L 13/00  Valves for air supply control to burners 

 F23Q 2/173  Valves for lighters with gaseous fuel and adjustable flame 

 F24C 3/12, F24C 5/16  Arrangement of valves on stoves or ranges 

 F24F  Air conditioning; Ventilation 

 F25B 41/04  Disposition of fluid circulation valves in refrigeration machines 

 G05D  Controlling non-electric variables 

 G10B 3/06  Valves for organs 

 G10D 9/04  Valves for other wind-actuated musical instruments. [5] 


Subclass Index

CONSTRUCTIONAL TYPES 

Lift-valves, gate valves or sliding valves, taps, diaphragm cut-off apparatus 

F16K 1/00 to F16K 7/00 

Multiple-way valves 

F16K 11/00 

Other constructional types of cut-off apparatus, arrangements for cutting off 

F16K 13/00 

FUNCTIONAL TYPES 

Check valves; safety or equalising valves; arrangements for mixing fluids 

F16K 15/00; F16K 17/00; F16K 11/00 

Fluid-delivery valves; valves for preventing drip from nozzles 

F16K 21/00; F16K 23/00 

For venting or aerating enclosures 

F16K 24/00 

DETAILS OR GENERAL MEANS 

Handling or control 

F16K 29/00, F16K 31/00, F16K 39/00, F16K 43/00 

Auxiliary means 

F16K 47/00, F16K 49/00 

Safety 

F16K 35/00, F16K 37/00 

Details: contact between valve members and seats, housings, floats, sealings 

F16K 25/00, F16K 27/00, F16K 33/00, F16K 41/00 

Other details 

F16K 51/00 



Constructional types (check valves F16K 15/00)

Note

 In groups F16K 1/00 to F16K 13/00, an initial seal breaking or final sealing movement which is different from the opening or closing movement of the valve is not considered in determining the movement to be classified.  [2]


1/

00Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces (diaphragm valves F16K 7/00)

1/

02.with screw-spindle (F16K 1/12 to F16K 1/28 take precedence; actuating mechanisms with screw-spindles F16K 31/50)

1/

04..with a cut-off member rigid with the spindle, e.g. main valves

1/

06..Special arrangements for improving the flow, e.g. special shape of passages or casings

1/

08...in which the spindle is perpendicular to the general direction of flow

1/

10...in which the spindle is inclined to the general direction of flow

1/

12.with streamlined valve member around which the fluid flows when the valve is opened

1/

14.with ball-shaped valve members (check valves F16K 15/04)

1/

16.with pivoted closure members

1/

18..with pivoted discs or flaps

1/

20...with axis of rotation arranged externally of valve member

1/

22...with axis of rotation crossing the valve member, e.g. butterfly valves

1/

226....Shape or arrangement of the sealing

1/

228.....Movable sealing bodies

1/

24.with valve members that, on opening of the valve, are initially lifted from the seat and next are turned around an axis parallel to the seat

1/

26..Shape or arrangement of the sealing

1/

28...Movable sealing bodies

1/

30.specially adapted for pressure containers

1/

32.Details (details of more general applicability F16K 25/00 to F16K 51/00)

1/

34..Cutting-off parts (F16K 1/06, F16K 1/12, F16K 1/14, F16K 1/26 take precedence)

1/

36...Valve members (for double-seat valves F16K 1/44)

1/

38....of conical shape

1/

40....of helical shape

1/

42...Valve seats (for double-seat valves F16K 1/44)

1/

44...Details of seats or valve members of double-seat valves

1/

46...Attachment of sealing rings

1/

48..Attaching valve members to valve-spindles  [4]

1/

50..Preventing rotation of valve members

1/

52..Means for additional adjustment of the rate of flow

1/

54..Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve


3/

00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing (F16K 5/00 takes precedence; in barrages or weirs E02B 8/04)

3/

02.with flat sealing faces; Packings therefor

3/

03..with a closure member in the form of an iris-diaphragm

3/

04..with pivoted closure members

3/

06...in the form of closure plates arranged between supply and discharge passages (F16K 3/10 takes precedence)

3/

08....with circular closure plates rotatable around their centres

3/

10...with special arrangements for separating the sealing faces or for pressing them together

3/

12..with wedge-shaped arrangements of sealing faces

3/

14...with special arrangements for separating the sealing faces or for pressing them together

3/

16..with special arrangements for separating the sealing faces or for pressing them together (F16K 3/10, F16K 3/14 take precedence)

3/

18...by movement of the closure members

3/

20...by movement of the seats

3/

22.with sealing faces shaped as surfaces of solids of revolution (F16K 13/02 takes precedence; with resilient valve members F16K 3/28)

3/

24..with cylindrical valve members

3/

26...with fluid passages in the valve member

3/

28.with resilient valve members

3/

30.Details

3/

312..Line blinds

3/

314..Forms or constructions of slides; Attachment of the slide to the spindle

3/

316..Guiding of the slide

3/

32..Means for additional adjustment of the rate of flow

3/

34..Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve

3/

36..Features relating to lubrication


5/

00Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary (taps of the lift-valve type F16K 1/00)

5/

02.with plugs having conical surfaces; Packings therefor

5/

04.with plugs having cylindrical surfaces; Packings therefor

5/

06.with plugs having spherical surfaces; Packings therefor

5/

08.Details

5/

10..Means for additional adjustment of the rate of flow

5/

12..Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve

5/

14..Special arrangements for separating the sealing faces or for pressing them together

5/

16...for plugs with conical surfaces

5/

18...for plugs with cylindrical surfaces

5/

20...for plugs with spherical surfaces

5/

22..Features relating to lubrication


7/

00Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage (container gates or closures operating by deformation of flexible walls B65D 90/56; means for plugging pipes or hoses F16L 55/10)

7/

02.with tubular diaphragm

7/

04..constrictable by external radial force

7/

06...by means of a screw-spindle, cam, or other mechanical means

7/

07...by means of fluid pressure

7/

08..constrictable by twisting

7/

10.with inflatable member

7/

12.with flat, dished, or bowl-shaped diaphragm

7/

14..arranged to be deformed against a flat seat

7/

16...the diaphragm being mechanically actuated, e.g. by screw-spindle or cam

7/

17...the diaphragm being actuated by fluid pressure

7/

18.with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action

7/

20.with a compressible solid closure member


11/

00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid  [4]

11/

02.with all movable sealing faces moving as one unit

11/

04..comprising only lift valves

11/

044...with movable valve members positioned between valve seats  [4]

11/

048...with valve seats positioned between movable valve members  [4]

11/

052...with pivoted closure members, e.g. butterfly valves  [4]

11/

056...with ball-shaped valve members  [4]

11/

06..comprising only sliding valves

11/

065...with linearly sliding closure members  [4]

11/

07....with cylindrical slides  [4]

11/

072...with pivoted closure members  [4]

11/

074....with flat sealing faces  [4]

11/

076....with sealing faces shaped as surfaces of solids of revolution  [4]

11/

078...with pivoted and linearly movable closure members  [4]

11/

08..comprising only taps or cocks

11/

083...with tapered plug  [2]

11/

085...with cylindrical plug  [2]

11/

087...with spherical plug  [2]

11/

10.with two or more closure members not moving as a unit

11/

12..with one plug turning in another

11/

14..operated by one actuating member, e.g. a handle (with one plug turning in another F16K 11/12)

11/

16...which only slides, or only turns, or only swings in one plane

11/

18...with separate operating movements for separate closure members

11/

20..operated by separate actuating members (with one plug turning in another F16K 11/12)

11/

22...with an actuating member for each valve, e.g. interconnected to form multiple-way valves

11/

24...with an electromagnetically-operated valve, e.g. for washing machines

   F16K 13/00 - F16K 51/02  
 

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