F-Term-List

F03B1/00-11/08

AA00
MODE OF WATER WHEEL

AA01

AA02

AA03

AA04

AA05

AA06

AA07

AA08

AA09

AA10

. Types

. . Hydraulic turbines

. . . Impulse types

. . . . Pelton wheels

. . . . Cross-flow wheels

. . . Reaction types

. . . . Francis turbines

. . . . Diagonal-flow wheels

. . . . Propeller turbines

. . . . . Kaplan turbines

AA12

AA13

AA14

AA17

. . . Specific types

. . . . Water wheels for rivers

. . . . Water wheels driven with endless chains or belts

. . Pump wheels

AA21

AA22

AA23

AA24

AA25

AA26

AA27

AA30

. A plurality of water wheels

. . in parallel

. . in series

. . . Multi-steps

. Arrangements of main shafts

. . with horizontal shafts

. . with vertical shafts

. Others *

BB00
PURPOSE OR EFFECT

BB01

BB02

BB03

BB05

BB06

BB07

BB08

BB09

BB10

. Improvement of assembly disassembly installation or replacement

. Improvement of manufacturing or processing or reduction of man-hours

. . Improvement of welding processes

. Measures for securing structural strength

. Improvement of maintenance or inspection

. Size or weight reduction or simplification

. Recovery or use of a small amount of energy

. Improvement of durability or resistance to abrasion or corrosion

. Reduction of thrust

BB11

BB12

BB14

BB15

BB16

BB17

BB19

BB20

. Measures against heat

. . Measures against cooling

. Improvement in air supply or exhaust

. Safety precautions

. . Prevention of turbines from jamming or from intrusion of foreign matter

. . Management in case of occurrence of abnormalities or observation of malfunctions

. Prevention of vibration noise or oscillation

. . Prevention of cavitation

BB21

BB22

BB23

BB24

BB25

BB26

BB27

BB28

BB29

. Improvement of lubrication

. . Improvement of bearing lubrication

. . . Improvement of water lubrication

. Improvement of water supply or water discharge

. . Measures to prevent leakage

. Reduction of fluid resistance

. Improvement of sealing

. Improvement of adjustment of degrees of opening

. . Improvement of adjustment of vane opening degrees

BB31

BB32

BB33

BB40

. Improvement of efficiency

. Improvement of reliability

. Improvement of operating characteristics

. Others *

CC00
CONSTITUTION

CC01

CC02

CC03

CC05

CC06

CC08

CC10

. Casings

. . Spiral casings

. . . Wound ends of casings

. Bases or pits

. . Support of casings

. Shafts

. Bearings

CC11

CC12

CC13

CC14

CC15

CC16

CC17

CC18

CC19

. Stators

. . Nozzles or nozzle-carrying devices

. . . Needle valves

. . . Deflectors

. . . Multi-nozzle types

. . Speed rings

. . . Stay vanes

. . . . Fluid-action surfaces or arrangements of stay vanes

. . . Connection of speed rings and casings

CC22

CC23

CC24

CC25

CC26

CC27

CC28

CC30

. . Gates

. . Guide vanes

. . . Guide vanes for cross-flow

. . . Adjustable guide vanes

. . . . Guide vane drive mechanisms

. . Upper and lower covers

. . Rectification or guidance members

. Back-pressure chambers or lateral-pressure chambers

CC31

CC32

CC33

CC34

CC35

CC36

. Rotors

. . Bucket-carrying rotors

. . . Bucket-carrying rotors for Pelton wheels

. . . . Buckets per se for Pelton wheels

. . . Bucket-carrying rotors for use in rivers

. . . . Overshot water wheels with buckets

CC42

CC43

CC44

CC45

CC46

CC47

CC48

CC49

. . Runners with blades

. . . Blades

. . . . Forms of the fluid-action surfaces of blades

. . . . Divided or partly-variable blades

. . . Runner cones

. . . Balance holes

. . . Members for prevention of secondary flow

. . . Division or joining of runners

CC52

CC53

CC54

CC55

CC56

CC58

CC59

. . Mounting of blades or buckets

. . . Blades or buckets being periodically adjusted.

. . . Driving mechanisms for adjusting blade or bucket mounting angles

. . . . Gear-based driving of blades or buckets

. . . . Actuator or servo-motor driving

. . Lateral plates shroud rings or crown rings

. . Screw runners

CC62

CC63

CC64

CC65

CC67

CC68

CC69

CC70

. . Endless chain-like belts

. . . Endless chain-like belts with buckets

. . . . Vertical endless chain-like belts

. . . Water-receiving plates carried by endless chain-like belts

. Seals

. . Sealing of shafts

. . Sealing between rotors and casings

. . Sealing between movable vanes and casings

CC71

CC72

CC73

CC74

CC75

CC76

CC77

CC78

CC79

. Water paths

. . Hydraulic steel pipes

. Intake valves

. Draft tubes

. . Discharge rings

. Means for removing foreign matter

. . Screens

. Detection or alarm means

. . Weak-point pins

CC81

CC82

CC83

CC85

CC87

CC88

CC89

. Air-supply or air-exhaust means

. Water-supply or water-discharge means

. . Supply of cooling water

. characterised by parameters

. Pressurised oil devices

. . Pressurised oil devices for bearings

. . Pressurised oil devices for control

CC91

CC92

CC93

CC94

CC95

CC96

CC99

. Materials

. . Materials of rotors

. . . Surface treatment of rotors

. . . Materials of blade

. . Materials of casings

. . . Surface treatment of casings

. Others *

3H072	HYDRAULIC TURBINES
	F03B1/00 -11/08