IPC 7 English version F16K !A-F16K 11/24

F16K-F16K01124

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

F 16

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

F 16 K

VALVES; 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]

Lift 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)

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

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

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

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

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

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

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

with pivoted closure members

with pivoted discs or flaps

with axis of rotation arranged externally of valve member

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

226

Shape or arrangement of the sealing

228

Movable sealing bodies

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

Shape or arrangement of the sealing

Movable sealing bodies

specially adapted for pressure containers

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

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

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

of conical shape

of helical shape

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

Details of seats or valve members of double-seat valves

Attachment of sealing rings

Attaching valve members to valve-spindles [4]

Preventing rotation of valve members

Means for additional adjustment of the rate of flow

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

Gate 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)

with flat sealing faces; Packings therefor

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

with pivoted closure members

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

with circular closure plates rotatable around their centres

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

with wedge-shaped arrangements of sealing faces

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

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

by movement of the closure members

by movement of the seats

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

with cylindrical valve members

with fluid passages in the valve member

with resilient valve members

Details

312

Line blinds

314

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

316

Guiding of the slide

Means for additional adjustment of the rate of flow

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

Features relating to lubrication

Taps 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)

with plugs having conical surfaces; Packings therefor

with plugs having cylindrical surfaces; Packings therefor

with plugs having spherical surfaces; Packings therefor

Details

Means for additional adjustment of the rate of flow

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

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

for plugs with conical surfaces

for plugs with cylindrical surfaces

for plugs with spherical surfaces

Features relating to lubrication

Diaphragm 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)

with tubular diaphragm

constrictable by external radial force

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

by means of fluid pressure

constrictable by twisting

with inflatable member

with flat, dished, or bowl-shaped diaphragm

arranged to be deformed against a flat seat

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

the diaphragm being actuated by fluid pressure

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

with a compressible solid closure member

11/

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

11/

with all movable sealing faces moving as one unit

11/

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/

comprising only sliding valves

11/

065

with linearly sliding closure members [4]

11/

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/

comprising only taps or cocks

11/

083

with tapered plug [2]

11/

085

with cylindrical plug [2]

11/

087

with spherical plug [2]

11/

with two or more closure members not moving as a unit

11/

with one plug turning in another

11/

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

11/

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

11/

with separate operating movements for separate closure members

11/

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

11/

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

11/

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

F16K 13/00 - F16K 51/02