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| 2G004 | Concentration cells (measuring oxygen concentration) | |
| G01N27/406 -27/413;27/417-27/419,327@Z | ||
| G01N27/409,100 | BB | BB00 SOLID ELECTROLYTE SHAPE |
BB01 | BB04 | BB07 | BB10 | ||||||
| . Closed-end tube shaped, test tube shaped or bag-like tube shaped | . Flat plate shaped, block shaped or stacked film shaped | . Cylindrical or square tube shaped | . Others | |||||||||
| BC | BC00 SECTIONS WHERE THE SOLID ELECTROLYTES ARE ATTACHED OR FASTENED |
BC01 | BC02 | BC03 | BC04 | BC05 | BC07 | BC08 | BC09 | BC10 | ||
| . Fastened directly to casings | . Fastened to casings with insulators between the two | . Fastened to insulators (i.e., without casings) | . Supported or fastened by lead wires themselves | . Fastened to the surfaces of metal plates | . Variants in which electrodes and casings are insulated | . Variants in which the inside of the solid electrolyte is made to contact a sample | . Variants attached to specific positions in exhaust tubes | . Others | ||||
| BD | BD00 CIRCUMSTANCES OF REFERENCE SUBSTANCE SUPPLY |
BD01 | BD02 | BD04 | BD05 | BD06 | BD08 | BD09 | ||||
| . Variants with differences in reactions | . Variants with differences in arrival times | . Gaseous variants | . . Variants characterized by gas passages inside the sensors | . . Variants having apertures away from the sensors | . Solid variants | . . Variants characterized by the sealing means | ||||||
| BD11 | BD14 | BD15 | BD16 | BD17 | BD20 | |||||||
| . Variants that operate using incoming current | . Variants combined with oxygen pumps | . . Variants in which the means that connect the inside and outside are minute spaces | . . Variants in which the means that connect the inside and outside are orifices | . . Variants in which the means that connect the inside and outside are porous materials | . Others | |||||||
| BE | BE00 ELECTRODES |
BE01 | BE02 | BE03 | BE04 | BE07 | BE10 | |||||
| . Variants characterized by formed portions or patterns | . Variants having wire materials, plate materials or mesh materials | . Variants having electrode reinforcing sections | . Variants with multi-layer structures | . Variants that are connected in series or in parallel | . Variants in which thickness, aperture diameter and porosity are specified | |||||||
| BE11 | BE12 | BE13 | BE14 | BE15 | BE16 | BE17 | BE18 | BE19 | BE20 | |||
| . Variants characterized by the method of formation | . . Variants produced by sputtering, vapor deposition | . . Variants using pastes | . . Variants using solutions (BE15 and BE16 take precedence) | . . Variants produced by chemical electroless plating | . . Variants produced by electroplating | . . Variants characterized by pre-treatment processes | . . Variants characterized by post-treatment processes | . . Variants that are baked simultaneously with solid electrolytes | . . Variants characterized by baking conditions and baking environment | |||
| BE21 | BE22 | BE23 | BE24 | BE25 | BE26 | BE27 | BE28 | BE29 | BE30 | |||
| . Variants characterized by composition | . . Variants containing platinum group elements | . . Variants containing gold and silver | . . Variants containing base metals | . . Variants containing alloys | . . Variants containing oxides | . . . Variants containing compound oxides | . . Variants containing compounds other than oxides | . . Variants made from mixtures of multiple components | . Others | |||
| BF | BF00 PROTECTIVE MEANS |
BF01 | BF02 | BF03 | BF04 | BF05 | BF06 | BF07 | BF08 | BF09 | ||
| . Protective coatings | . . Variants characterized by the method of formation | . . . Variants produced by plasma spray coating | . . . Variants using pastes or solutions | . . Variants characterized by composition and materials | . . Variants having airtight layers | . . Variants using catalysis | . . Variants with multi-layer structures | . . Variants characterized by porosity, aperture diameter, particle diameter, thickness, and the like | ||||
| BF11 | BF12 | BF13 | BF14 | BF15 | BF16 | BF18 | BF19 | BF20 | ||||
| . Protective covers | . . Ceramic variants | . . Metal variants | . . Variants made from porous materials | . . Variants in which apertures are made from holes or notches | . . Variants in which apertures are formed by bending | . . Variants in which apertures are provided over the entire surface | . . Variants in which apertures are provided only on the sides | . . Variants in which apertures are provided only on the bottom | ||||
| BF22 | BF23 | BF25 | BF27 | BF28 | BF30 | |||||||
| . . Variants in which the protective covers themselves have a catalytic effect | . . Variants having catalysts inside the protective covers | . . Variants in which a circular flow is obtained | . . Variants with two-layer structures | . . Removable variants | . Others | |||||||
| BG | BG00 SAMPLE INTRODUCTION SECTIONS |
BG01 | BG02 | BG05 | BG07 | BG09 | BG10 | |||||
| . Variants of the sampling type | . . Variants having ejectors or aspirators | . Direction insertion-type variants | . Variants in which the detected gas is self-circulated | . Variants having filters | . Variants in which oxygen or flammable gas is added to the detected gas | |||||||
| BG11 | BG13 | BG15 | BG17 | BG20 | ||||||||
| . Variants having means to introduce calibrated gas | . Variants having catalytic layers in the channels | . Variants having means to remove moisture | . Variants having means to heat or retain the heat of the detected gas | . Others | ||||||||
| BH | BH00 ELECTRICAL POTENTIAL LEAD-OUT SECTIONS |
BH01 | BH02 | BH04 | BH05 | BH06 | BH08 | BH09 | BH10 | |||
| . Variants characterized by connector sections | . Variants characterized by waterproofing means or thermal insulating means | . Variants using springs | . . Variants that double as lead wires | . . Variants in which terminals are fastened to electrodes by springs | . Variants in which lead wires are directly bonded to electrodes | . Variants in which lead wires are bonded to terminals | . Variants in which terminals are directly bonded to electrodes | |||||
| BH11 | BH12 | BH13 | BH15 | BH17 | BH20 | |||||||
| . Variants characterized by lead wire support structure | . Variants having metal rings between terminals and electrodes | . Variants having metal rings between electrodes and casings | . Variants having band-like conductive portions | . Variants that are connected in series or in parallel | . Others | |||||||
| BJ | BJ00 HEATING MEANS |
BJ01 | BJ02 | BJ03 | BJ05 | BJ07 | BJ09 | BJ10 | ||||
| . External heating | . Internal heating | . Variants with multi-layer structures | . Variants having multiple heaters | . Variants having heaters that double as electrodes | . Variants that are self-heated by alternating current | . Others | ||||||
| BK | BK00 TEMPERATURE MEASURING MEANS |
BK01 | BK02 | BK03 | BK04 | BK05 | BK06 | BK08 | BK10 | |||
| . Thermistors | . Bimetals | . Thermocouples | . Variants that operate by measuring heater resistance | . Variants that operate by measuring solid electrolyte internal resistance | . . Variants using alternating current | . Variants that operate by measuring water temperature | . Others | |||||
| BL | BL00 SIGNAL PROCESSING SECTIONS |
BL01 | BL02 | BL03 | BL04 | BL06 | BL07 | BL08 | BL09 | BL10 | ||
| . Detecting theoretical air-fuel ratios, detecting transition | . Detecting air-fuel ratios in lean regions | . Detecting air-fuel ratios in rich regions | . Detecting a broad range of air-fuel ratios | . Temperature compensation | . Compensating for changes over time | . Heating control, temperature control | . Controlling air-fuel ratios | . Controlling incoming current | ||||
| BL11 | BL12 | BL14 | BL16 | BL17 | BL18 | BL19 | BL20 | |||||
| . Controlling pumping current | . . Variants having means to prevent deterioration | . Introducing correction for operating conditions | . Determining activation and recognizing operating state | . Detecting breakdowns or deterioration | . Evaluating performance | . Calculating, displaying and giving warning concerning concentration | . Others | |||||
| BM | BM00 OTHER DISTINCTIVE POINTS |
BM01 | BM02 | BM03 | BM04 | BM05 | BM06 | BM07 | BM09 | BM10 | ||
| . For combustion equipment | . For heat treating metal | . For linear response (BL takes precedence) | . For measuring specific components | . Where specific parameters are found | . Pertaining to characteristics testing and calibration | . Sensor manufacturing (BE and BF take precedence) | . Pertaining to methods of measurement | . Others | ||||
| G01N27/411 | CA | CA00 COMPONENT ELEMENTS (FOR LIQUID SAMPLES) |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | |||
| . Sections where the solid electrolytes are attached, fastened | . Reference substances | . Electrical potential lead-out means and electrodes | . Protective means | . Sensor holders, connectors and plugs | . Means of temperature measurement | . Others | ||||||
| G01N27/406-27/407 | ZA | ZA00 MEASURED COMPONENTS |
ZA01 | ZA02 | ZA03 | ZA04 | ZA05 | |||||
| . Hydrogen | . Alkali metals | . Sulfur | . SOx, COx and NOx | . Others |