Patent application number | Description | Published |
20090272648 | Syperhydrophobic Nanostructured Materials as Gas Diffusion Electrodes for Gas Detectors - An electrochemical gas detector includes a superhydrophobic, nanostructured gas porous electrode. The electrode exhibits a physically disrupted porous region. In an embodiment, electrode material can be deposited around a templating material which is removed before use. Such electrodes exhibit repeatable and reproducible characteristics. | 11-05-2009 |
20100212395 | Instrument Docking Station with Non-Destructive Sensor Analysis Capabilities - A docking station for use with gas sensors includes limited test and diagnostic circuitry directed to specific characteristics of selected detectors. Where a family of detectors is to be evaluated, a universal interface for that family can be included. A single port can be used for multiple different detectors irrespective of specific detector characteristics. | 08-26-2010 |
20100236924 | LIQUID ELECTROLYTE COMPOSITION AND ITS USE IN GAS SENSORS - A liquid electrolyte composition obtainable by combining a first component comprising bistrifluoromethanesulfonimide and/or an analogue thereof with a second component comprising a dialkyl sulfone, diaryl sulfone, alkyl aryl sulfone, alkyl acyl sulfone, boric acid, alkyl boronic acid, aryl boronic acid, dialkyl phosphite, trialkyl phosphite, dialkyl phosphate, trialkyl phosphate, alkylene carbonate, alkanoic lactone, preferably alkanoic γ-lactone an analogue of any of these, or mixtures thereof, wherein any of the alkyl, aryl of alkenyl groups may be substituted or unsubstituted. The liquid electrolyte is used in an electrochemical gas sensor. | 09-23-2010 |
20100252455 | METHODS OF OPERATION OF ELECTROCHEMICAL GAS SENSORS - A method of operating an electrochemical gas sensor includes:
| 10-07-2010 |
20100288652 | APPARATUS AND METHOD OF REGENERATING ELECTROCHEMICAL GAS SENSORS - A method of improving performance of electrochemical gas sensors includes cycling potentials applied to one or more of the electrodes of the respective sensor(s) to improve performance of a different electrode. In a process for treating a reference electrode, potentials can be applied to working and, or counter electrodes so as to modify the environment in the vicinity of the reference electrode. An apparatus can carry out the method automatically. | 11-18-2010 |
20130087456 | AUXILIARY MICRO-ELECTRODES FOR DIAGNOSTICS OF ELECTROCHEMICAL GAS SENSORS - A gas sensor includes known types of electrodes such as sensing electrodes, counter electrodes or reference electrodes to sense the presence of a predetermined gas. In addition, at least one diagnostic electrode is carried in the sensor. The diagnostic electrode implements at least one diagnostic function without substantially impairing the gas sensing function. The diagnostic electrode is immersed in sensor electrolyte. | 04-11-2013 |
20130087457 | AUXILIARY GAS DIFFUSION ELECTRODES FOR DIAGNOSTICS OF ELECTROCHEMICAL GAS SENSORS - An electrochemical gas sensor includes additional gas diffusion electrodes incorporated to carry out one or more diagnostic functions while the sensor is responding to a target gas. Members of a plurality of sensing and diagnostic electrodes can be switched by associated control circuits to intermittently sense a target gas while others intermittently sense a different gas. The diagnostic electrodes are in direct communication with the target gas that is entering the cell. | 04-11-2013 |
20140021064 | SYSTEMS AND METHODS OF FAST POWER UP FOR ELECTROCHEMICAL SENSORS - Systems and methods of fast power up for electrochemical sensors are provided. A system can include an electrochemical sensor, and a potentiostat circuit, wherein, upon startup, the potentiostat circuit drives the electrochemical sensor to the electrochemical sensor's normal operating condition at a rate that is not limited by voltage and/or current supply. A method can include a potentiostat circuit driving an electrochemical sensor to the electrochemical sensor's normal operating condition at a rate that is not limited by voltage and/or current supply. | 01-23-2014 |
20140353156 | MICROELECTRODES FOR ELECTROCHEMICAL GAS DETECTORS - An electrochemical gas sensor having an electrode with a catalyst distributed on a porous surface is described. The porous surface can be a polytetrafluoroethylene tape. Alternate embodiments include layered or stacked electrodes. | 12-04-2014 |