F-Term-List

F16K31/12-31/165;31/36-31/42@Z

AA00
TYPE OF MAIN VALVE

AA01

AA02

AA03

AA04

AA05

AA06

AA07

AA08

AA09

AA10

. Lift valves

. . having valve bodies downstream relative to valve seats

. . having a plurality of valve bodies arranged coaxially

. . Butterfly valves

. Sliding valves

. Taps or cocks

. Diaphragm valves

. Multiple-way valve

. . Spool valves

. Others

BB00
PURPOSE OR EFFECT

BB01

BB02

BB03

BB04

BB05

BB06

BB07

BB08

BB09

BB10

. of driving or operating valves *

. . improving or adjusting the speeds of opening and closing valves

. . . keeping the speeds constant

. . Cushioning e.g. preventing shocks

. . allowing valves to open and close at high speeds

. . reducing frictional forces between pistons and cylinders

. . saving energy or reducing sizes of control valves e.g. pilot valves

. . adding auxiliary means for opening and closing valves

. . allowing remote operation

. . keeping valve openings constant

BB11

BB12

. Fluid flow *

. . preventing water hammers

BB21

BB22

BB24

. Functions of valves *

. . improving sealing ability during closing valves

. . adding special functions including adjusting flow rate and adjusting pressure

BB31

BB32

BB33

BB34

BB35

BB36

BB37

BB38

BB39

. Structures of valves *

. . reducing sizes or weight of the structures; simplifying the structures

. . facilitating manufacturing assembling or attaching valves

. . improving resistance to heat

. . improving resistance to pressure

. . improving resistance to corrosion

. . improving resistance to wear

. . preventing fluids from leaking to the outside of valves

. . preventing freezing

BB41

BB42

BB44

BB45

BB46

BB47

BB48

BB49

BB50

. Measures against foreign matter

. Adjusting temperature of fluids

. Monitoring or detecting operation

. Improving safety

. . Measures to abnormalities

. Preventing mal-operation; Improving reliability

. Preventing control valves from burning out

. Preventing noise

. Others *

CA00
SHAPE OR STRUCTURE OF DRIVE MEANS

CA01

CA02

CA03

CA04

CA06

CA07

CA08

CA09

. Pistons

. . having part of pistons combined with valve bodies

. . having a plurality of pistons

. . Rotary pistons

. Elastic members changing the shapes according to pressure

. . Diaphragms

. . . having part of diaphragms combined with valve bodies

. . . having snap actions

CA11

CA13

CA14

CA15

CA19

. Engines for rotating fluids e.g. turbines

. Combining different kinds of drive means

. . having auxiliary drive means

. . . operated manually

. Others *

CB00
TYPE OF DRIVING DRIVE MEANS

CB01

CB02

CB03

CB05

CB06

CB07

CB08

CB09

. Arranging pressure chambers *

. . on both sides

. . on one side

. Communicating pressure chambers and passages *

. . constantly between downstream sides of main valves and pressure chambers

. . . feeding back pressure

. . . associated with opening and closing valves of other downstream valves

. . constantly between other passages and pressure chambers

CC00
MEANS FOR CONTROLLING DRIVING FLUID

CC01

CC02

CC03

CC04

CC05

CC06

CC07

CC09

CC10

. Valves *

. . by opening and closing valves

. . . having opening and closing valves on either input sides or output sides

. . . . having restrictors on input sides and opening and closing valves on output sides

. . by switching valves

. . . Three-position switching valves

. . controlling a plurality of valves

. . having constant flow valves

. . having control valves inside the main valves

CC11

CC12

CC13

CC15

CC16

CC17

CC18

CC20

. . forcibly moving main valve bodies

. . electromagnetically-operated

. . . characterised by electrical systems

. by nozzle flappers

. by grinding diaphragms

. Pumps

. for keeping valve openings constant

. Others *

CD00
KIND OF DRIVING FLUID

CD01

CD02

CD03

CD04

CD06

CD08

CD10

. Liquids

. . Oil

. Gases

. . Air

. Internal fluids

. Vacuum

. Others *

CE00
TRANSMISSION MECHANISM FOR DRIVING FORCE

CE01

CE03

CE04

CE05

CE06

CE07

CE10

. Electrical or magnetic means

. Mechanical means

. . Links or levers

. . Gears

. . Cams

. . Screws

. Others *

DD00
DETAIL

DD01

DD02

DD03

DD04

DD05

DD06

DD07

DD08

DD09

DD10

. Control valves

. Passages for control fluids e.g. pilot passages

. Pistons or cylinders

. Diaphragms

. Units for attaching drive means

. Sealings

. . between pistons and cylinders

. Sections connecting drive means and main valve bodies

. Additional means for keeping valve openings constant

. Others *

EE00
SPECIAL FUNCTION

EE01

EE02

EE03

EE04

EE06

EE08

EE10

. Adjusting flow rate

. . stepwise

. . smoothly

. . keeping flow rate constant regardless of pressure changes

. Adjusting pressure

. Adjusting speeds of opening and closing valves

. Others *

FF00
PROCESS FOR MANUFACTURING OPERATING UNIT

FF01

FF02

FF03

FF04

FF05

FF06

FF07

FF10

. Cutting

. Forging or pressing

. Casting

. Injection moulding

. Bulging

. Welding

. . Friction welding

. Others *

GG00
USE

GG01

GG02

GG03

GG04

GG05

GG07

GG08

GG09

. Fluids to be applied *

. . for gaseous means

. . . for gases

. . for liquids

. . . for water including hot water

. . for fluids in high temperature

. . for fluids at low temperature

. . for fluids at high temperature

GG11

GG12

GG13

GG14

GG15

GG16

GG17

GG18

. Apparatus to be applied *

. . for hydraulic or pneumatic apparatus

. . for air conditioners

. . for vacuum apparatus

. . for nuclear power apparatus

. . for medical purposes

. . for food industries

. . for controlling internal combustion engines

3H056	FLUID-DRIVEN VALVES
	F16K31/12 -31/165;31/36-31/42@Z