F-Term-List

F16K31/00-31/05

AA00
TYPES OF VALVES

AA01

AA02

AA03

AA04

AA05

AA06

AA07

. Type of valve structure

. . Lift valves

. . . Butterfly valves Plate type valves that rotate round the axis perpendicular to the direction of the flow.

. . . Flapper valves

. . Sliding valves

. . . Spool valves

. . . Rotary valves

AA11

AA12

AA13

AA14

AA15

AA16

AA17

. Type of valve operation

. . On-off or opening-closing valves

. . Direction-switching valves

. . Proportion-control valves

. . . Flow-volume-control valves

. . . Pressure-control valves

. . . Temperature-control valves

BB00
PURPOSE AND EFFECTS OF VALVE IMPROVEMENTS

BB01

BB02

BB04

BB05

BB06

BB07

BB08

BB09

BB10

. Improvements related to flow

. . Prevention of water-hammering

. Improvements related to driving and operation

. . Prevention of malfunction

. . . Prevention of electrical malfunction

. . . . Malfunction caused by electrical noise

. . . Prevention of mechanical malfunction

. . Measures against malfunctions in general

. . Improvement of responsiveness

BB11

BB12

BB14

BB15

BB16

BB18

BB19

. . Reduction of hysteresis

. . Valves that can be operated by remote control

. Measures to protect against high temperatures

. . High temperatures from electric motors

. . High temperatures from control circuits

. Measures to protect against low temperatures

. . Prevention of freezing

BB21

BB22

BB24

BB26

BB28

BB30

. Waterproofing measures

. . Waterproofing of electric devices

. Prevention of overloading

. Measures for eliminating foreign matter

. Improvement of sealing qualities

. Size reduction, weight reduction, and simplification of the valve structure

BB31

BB33

. Simplification of valve manufacture and assembly

. Others

CC00
VALVE-OPERATING MEANS

CC01

CC02

CC04

CC05

CC06

CC07

CC08

CC10

. Valves operated by use of an electric motor

. . Valves operated by use of a step motor

. Valves operated by use of specific electric or magnetic forces

. . Valves operated by use of piezoelectric elements

. . . Forms of displacement

. . . . Expansion

. . . . Curvature

. . Valves operated by use of shape-memory alloys

CC11

CC13

CC15

CC17

CC18

CC19

CC20

. . Valves operated by use of displacement of members placed in an electrostatic field

. . Valves operated by a combination of electric, magnetic, and fluid forces

. Valve operating systems with characteristic drive-control circuits

. Valves with a manual operating means

. . Manual operation that causes an accompanying movement of an electric motor

. . Electric motors that stop during manual operation

. . Clutches that are engaged and disengaged during manual operation

CC21

CC23

CC24

CC25

CC27

CC29

. . . Clutches that are automatically engaged and disengaged

. Valve-operating systems with characteristic signal-transmission means

. . Wireless signal transmission

. . Fiber-optic signal transmission

. Valve-operating systems that drive multi-valve devices

. Others

DD00
FORMS OF MOTORIZED VALVE DRIVES

DD01

DD03

DD05

DD07

DD09

DD10

. Valve driving with optional setting of the valve opening

. Valve driving with limitation of the valve opening to a specific position

. Valve driving with a variable speed of opening and closing the valve

. Valve driving with a timed opening and closing of the valve

. Valve driving that forcibly returns the valves to a fixed position

. . Valve driving that actuates the valves when the motor is disengaged

DD11

DD13

. . Valves actuated by spring force

. Others

EE00
MECHANISMS FOR THE TRANSMISSION OF DRIVING FORCE

EE01

EE03

EE04

EE06

EE07

EE08

EE09

EE10

. Differential transmission devices

. Mechanisms with a clutch

. . Mechanisms with an electric clutch

. Linear displacement of the valve

. Rotational displacement of the valve

. Both linear and rotational displacement of the valve

. Mechanisms that do not specify the motion of the valve

. Mechanisms using a fluid means

EE11

. Others

FF00
DETAILS

FF01

FF02

FF03

FF04

FF05

FF07

FF08

FF10

. Devices for detection of valve opening

. . Detection means for staged valve opening

. . . Detection using a limit switch

. . . Detection using a lead switch

. . . Detection using a stopper

. . Detection means for continuous valve opening

. . . Continuous detection using a potentiometer

. . Detection of valve opening by means of changes in the amperage of the motor

FF11

FF13

FF15

FF16

FF17

FF18

FF19

FF20

. . Detection of valve opening from the timing of the motor charging

. . Valve-opening devices with a valve-opening indication or notification means

. Manually operated starting switches

. . Touch switches

. . Operator-sensitive sensors

. . Switches that are operated mechanically

. Devices that are turned on and off by external factors

. Cooling means

FF21

FF23

FF25

FF26

FF27

FF28

FF30

. Heating means

. Means for suppressing the transmission of heat

. Means for detection of overloads

. . Detection of overloads from the displacement of transmission members

. . . Linear displacement of transmission members

. . . Rotational displacement of transmission members

. . Detection of overloads from the motor amperage

FF31

FF33

FF34

FF35

FF37

FF38

FF39

FF40

. . Detection of overloads from the time of valve opening and closing

. Means for prevention of overloads

. . Control of motor amperage

. . Disengagement of the clutch

. Testing of control movements

. Details relating to valve housings

. Details relating to valve forms and structures

. Sealing means

FF41

. Others

GG00
METHODS OF MANUFACTURE AND ASSEMBLY

GG01

GG02

GG04

GG06

GG08

. Methods relating to valve drives and operating units

. . Methods relating to the motor

. Methods relating to the overall valve body

. Methods relating to the connection between the valve device and the operating unit

. Others

HH00
USES

HH01

HH02

HH03

HH04

HH06

HH07

HH08

HH09

HH10

. Control of fluids

. . Air

. . Liquids

. . Coolants

. Use in vacuum devices

. Use in water-related devices

. Use in air-conditioning devices

. Use for freezing and refrigeration

. Others

3H062	ELECTRICALLY DRIVEN VALVE-OPERATING MEANS
	F16K31/00 -31/05