| ReturnTo Theme-Group-Choice | Onelevelup |
(Not Translated)
| 2F030 | MEASURING VOLUME FLOW (1) | |
| G01F1/00 -1/30;1/34-1/54;3/00-9/02 | ||
| G01F1/00-1/30;1/34-1/54;3/00-9/02 | CA | CA00 MEANS FOR DETECTING FLOW RATE |
CA01 | CA02 | CA03 | CA04 | CA05 | CA07 | CA10 | |||
| . Magnetic types | . Optical types | . Acoustic types | . Pressure types | . Capacitive types | . Visual observation types | . Others | ||||||
| CB | CB00 SPECIAL DETECTION |
CB01 | CB02 | CB03 | CB04 | CB05 | CB07 | CB09 | CB10 | |||
| . of abnormalities | . . Leakages | . . Excessive or undervalued flow | . . Faults | . . Errors in counting or measuring | . of back flow | . of pulsing | . Others | |||||
| CC | CC00 KIND OF FLUID TO BE DETECTED |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC08 | CC09 | ||
| . Liquids | . . Tap-water | . . Oil | . . Hot water | . . Running water e.g. of rivers or dams | . Gas-liquid mixtures | . Solid-gas mixtures | . Solid-liquid mixtures | . . Drainage | ||||
| CC11 | CC12 | CC13 | CC14 | CC15 | CC17 | CC18 | CC19 | CC20 | ||||
| . Gases | . . Steam | . . Town gas or propane gas | . . Suction air of internal combustion engines | . . Ventilation by air-conditioners | . High temperature fluid (hot water CC04; steam CC12) | . . Molten metals | . Low temperature fluid | . Others | ||||
| CD | CD00 CALIBRATION OR CORRECTION |
CD01 | CD02 | CD03 | CD04 | CD05 | CD06 | CD08 | ||||
| . Compensation of instrumental errors | . . using shapes of flow passages | . . using adjusting members | . . using electronic circuits | . . . Circuit arrangements | . . . by pulsation for corrective processing | . Means for self-diagnosis or self-calibration | ||||||
| CD11 | CD13 | CD15 | CD17 | CD20 | ||||||||
| . Means for zero-compensation or zero-point calibration | . Means for varying measuring ranges | . Correcting temperatures | . Correcting pressures | . Others | ||||||||
| CE | CE00 COMMON COMPONENT OF FLOW METER |
CE01 | CE02 | CE03 | CE04 | CE05 | CE06 | CE07 | CE09 | |||
| . Electrical elements | . . Circuit arrangements | . . Processing pulse waves | . . Processes for calculating flow rate | . . Means for removing noises | . . Means for self-generating | . . Means for saving electric power | . Means for transmission to remote places | |||||
| CE11 | CE12 | CE13 | CE14 | CE15 | CE16 | CE17 | ||||||
| . Mechanical elements | . . Means for preventing reversing back flow or pulsing | . . Casings | . . Means for mechanical transmissions | . . . Magnet-couplings | . . . Gear trains | . . Valve functions arranged at flow meter itself (valve alone CF05) | ||||||
| CE21 | CE22 | CE23 | CE24 | CE25 | CE26 | CE27 | CE28 | |||||
| . Indicating members | . . electric | . . mechanical | . . for the quantity of instantaneous flow | . . for the quantity of integrated flow | . . for plural items | . . for parameters other than the flow rate | . . with functions promoting reading | |||||
| CE31 | CE32 | CE33 | CE40 | |||||||||
| . Recording members | . . Electrical means | . . Mechanical means | . Others | |||||||||
| CF | CF00 FLOW METER ACCESSORY |
CF01 | CF02 | CF03 | CF04 | CF05 | CF07 | CF08 | CF09 | CF10 | ||
| . Means for straitening flow | . Strainers | . Means for separating liquid from gas or for drainage | . Means for cleaning | . Valves (Free words are assigned along with F-term) | . Pumps | . Means for controlling flow rate | . Bypass channels | . Means for shielding | ||||
| CF11 | CF13 | CF14 | CF15 | CF20 | ||||||||
| . Safety equipments | . Means for attaching flow meters | . . having removable structures | . . for sealing | . Others | ||||||||
| CG | CG00 ROTOR |
CG01 | CG02 | CG04 | CG05 | CG07 | CG09 | CG10 | ||||
| . Impellers | . Gears | . Bearings | . . having lubricating means | . Nozzles for promoting rotation | . Means for detecting rotation | . Others | ||||||
| CH | CH00 MANUFACTURING PROCESS, ASSEMBLING PROCESS, OR MATERIAL |
CH01 | CH03 | CH05 | ||||||||
| . for manufacturing members | . for assembling components | . Materials of components |