Matches 51 - 100 out of 100 < 1 2
Match Document Document Title
4718991 Proton conductor gas sensor and method of detecting gas using proton conductor gas sensor  
A proton conductor gas sensor operable at room temperature for detecting hydrogen or carbon monoxide, and a gas detecting method using the sensor. A pair of electrodes connected to a proton...
4713152 Method and system for the removal of oxides of nitrogen and sulfur from combustion processes  
A process for removing oxide contaminants from combustion gas, and employing a solid electrolyte reactor, includes: (a) flowing the combustion gas into a zone containing a solid electrolyte and...
4713166 Pump cell element for air-fuel ratio sensor  
A pump cell element, for an air-fuel ratio sensor, comprising an oxygen ion conductive zirconia solid electrolyte, a pair of layer electrodes coated on the both surface areas of a measuring...
4666566 Method of detecting oxygen partial pressure  
A method of effecting determination whether a measurement gas is a rich-burned exhaust gas or a lean-burned exhaust gas, by using an oxygen concentration sensor which includes at least one solid...
4650560 Oxygen sensor  
An oxygen sensor, suited for measuring the concentration of an oxygen gas contained in an exhaust gas of an automobile, comprises a cell and a heater which is mounted for heating the cell. The...
4645572 Method of determining concentration of a component in gases and electrochemical device suitable for practicing the method  
A method of detecting the concentration of a component in gases, by an electrochemical element comprising a pumping cell having a first and a second electrode on a solid electrolyte layer, and a...
4617795 Exhaust gas pipe for internal-combustion engines having a receiving opening for a heated probe for determining the oxygen content of the exhaust gases  
A system is provided for measuring the amount of oxygen in exhaust gas emitted by an internal-combustion engine. The system includes an exhaust pipe for conducting engine exhaust gas and a probe...
4594139 Air/fuel ratio detector  
An air/fuel ratio detector for use in measuring or controlling oxygen concentration in exhaust gas from a combustion device, comprising a plurality of solid electrolyte, oxygen ion conducting...
4568443 Air-to-fuel ratio sensor  
An air-to-fuel ratio sensor of a construction, wherein an oxygen concentration cell having a chamber, at least one side of which is communicative with the atmosphere and an oxygen pump are disposed...
4496433 Apparatus and method for determining the amount of a sample gas component  
A gas chromatograph for measuring the amounts of selected sample gas components such as oxygen and carbon monoxide. The system comprises a high-temperature (600° C.) zirconia cell detector...
4493746 Method for reduction of oxides and improving porosity of metalized zirconium oxide ceramics  
A method is provided for increasing the porosity of sintered metal coatings on zirconium oxide ceramics comprising the placing of the metallic coated zirconium oxide part in an acid solution,...
4462872 Method of operating a gas analyzer and solid electrolyte gas sensing apparatus  
The reference gas of an electrochemical cell is vented into the process gas being measured at a location sufficiently close to the cell to maintain the gas pressure of the reference gas equal to...
4430192 Oxygen gas analyzer using solid electrolyte  
An oxygen meter for measuring the oxygen concentration in a measured gas, having a probe type detecting section carrying at its end a solid electrolyte unit constituting a partition wall, so as to...
4394222 Method for determining the oxygen content in gases, uninfluenced by temperature variations  
Determining the oxygen content in gases, particularly combustion exhaust gases, uninfluenced by temperature variations of the gases by passing the gases into a first electrical measuring cell...
4388155 Solid sensor for anhydrides  
The invention concerns a detector for anhydrides, present in the air or stack gases, which comprises a solid state electrolyte element containing oxy-anions of the particular anhydride to be...
4339318 Oxygen gas analyzing device  
An oxygen gas analyzing device in which gas sampled from a flue is analyzed without the need of an external driving source. A sampling tube protrudes into a flue through a wall thereof. A partition...
4336721 Gas analyzer  
The gas sampling apparatus may be embodied as a hot sampler or a cold sampler, and basically comprises an insulated housing concentrically supporting an inlet tube which in turn supports a nozzle...
4334510 Electrochemical sensor for measuring relative concentrations of reactive species in a fluid mixture and a system comprising said sensor, especially for regulation  
An electrochemical sensor for measuring relative concentrations of reactive species in a fluid mixture with a first catalytic enclosure for bringing the fluid mixture into thermodynamic...
4319966 Technique for monitoring SO.sub.3, H.sub.2 SO.sub.4 in exhaust gases containing SO.sub.2  
The SO 3 , H 2 SO 4 content of a gas environment containing SO 2 and H 2 O is measured by cooling the gas to a temperature to convert SO 3 in the presence of H 2 O to H 2 SO 4 to...
4312733 Unit for measuring alkali metal vapor concentration  
A unit for measuring the alkali metal vapor concentration of a gaseous phase, comprising a gas inlet pipe, a container provided with a heating means for vaporizing the alkali metal mist...
4309262 Hydrazine analyzer  
An improved hydrazine analyzer is disclosed wherein sample and electrolyte solutions are supplied from constant flow rate sources into a mixing chamber where they are premixed. The premixed...
4285790 Sensor for oxygen-combustibles gas mixtures  
A molten carbonate electrochemical cell operating at a temperature between 400° and 700° C. is used to remove O 2 in combination with CO 2 from an oxygen/combustibles gas mixture to provide a...
4284487 Oxygen analyzer probe  
Disclosed is an oxygen analyzer probe for use in situ in the flue gas stream of a furnace of the type having a housing, a solid electrolytic oxygen sensor adjacent to one end of the housing and...
4283256 Method and apparatus for measuring the strength of the air/fuel mixture supplied e.g. to an I.C. engine  
An instrument for measuring the air/fuel mixture strength supplied to e.g. an I.C. engine comprises a primary catalytic reactor having a matrix of annular cross-section in whose bore is housed a...
4240890 Oxygen partial pressure measuring device suitably adapted for internal combustion engine exhaust gases  
An oxygen partial pressure measuring device for determining oxygen partial pressures in exhaust gases emitted from internal combustion engines comprises a metallic vessel mounted within an exhaust...
4208266 Exhaust gas oxygen sensor  
A galvanic exhaust gas sensor having a solid electrolyte disc having a porous electrode thereon for detecting oxygen partial pressure in an exhaust gas stream varying in its flow and composition...
4154664 Probe for measuring gaseous components  
A probe for detecting variations in the composition of a mixed-gas flow, designed primarily for monitoring variations in the composition of exhaust gases of an internal combustion engine for...
4135382 Apparatus for developing a counterflow to clean a fluid conveying conduit of a gas analyzer  
An eductive flow loop has an inlet leg conduit projecting into an exhaust stack and an outlet leg conduit. A sample of gaseous combustion by-products is withdrawn from the exhaust stack into the...
4129491 Oxygen concentration analyzer  
An oxygen concentration analyzer is disclosed for measuring the concentration of oxygen within a sample gas. The analyzer includes an electrolyte reactor member for producing a voltage which can be...
4128458 Combustible element and oxygen concentration sensor  
Apparatus and method are claimed for determining the oxygen and combustible element concentration in a sample gas. In the preferred embodiment the sensor includes an analyzing block with conduits...
4127464 Sensor for detecting oxygen concentration  
A sensor is provided for electrochemically detecting the oxygen concentration of exhaust gas from an internal combustion engine of a vehicle. The sensor has an oxygen ion-transferrable solid...
4118194 Sensor for fluid components  
An electrochemical device for sensing fluid components, particularly gases, comprises a composition with which the component reacts to liberate elemental chlorine, bromine, fluorine or iodine. The...
4116795 Sensor device  
Sensor for measuring the oxygen concentration in the exhaust gases of combustion engines, in which zirconium oxide is used as active material. The improvement relates to a composite filter so that...
4115235 Apparatus for conveying a gas sample through an analyzer chamber  
A gas analyzer is provided which is comprised of two gas sample flow loops joined at an angle to each other, one being an eductive loop that originates and returns to the chamber or conduit from...
4115229 Apparatus for sampling a gaseous stream  
A gas analyzer is provided with a common inlet-outlet chamber through which all gases must travel to enter or exit the flow circuit.
4101403 Sensor for detecting variation in oxygen concentration in gas  
A sensor comprising a plate of an oxygen ion conductive solid electrolyte such as stabilized zirconia, two porous electrode layers of a catalytic metal such as platinum formed on both sides of the...
4097353 Article and method of forming porous coating on electrode layer of concentration cell type oxygen sensor  
A porous coating, which is effective in restricting the flow of a gas under measurement relatively to the electrode layer of the sensor and protecting the electrode against detrimental influences,...
4036722 Flow through cell assembly  
There is disclosed a flow through cell assembly that is particularly useful for housing of the sensing cathode of a dissolved oxygen cell. The flow through cell assembly supports the cathode of the...
4005689 Fuel injection system controlling air/fuel ratio by intake manifold gas sensor  
In a fuel injection system for an internal combustion engine, a gas sensor is positioned in the intake manifold and is responsive to a characteristic of the air mixture entering the intake manifold...
3981785 Electrochemical sensor for reactive gas mixtures  
An electrochemical device is designed to respond to a constituent such as oxygen in a reactive mixture which may include a fuel such as methane. The device includes an electrochemical cell...
3977830 Silver nitrite reactant for measuring SO.sub.2  
Sulphur dioxide is reacted with silver nitrite at room temperature to release nitrogen dioxide in a known ratio and the nitrogen dioxide may, then, be measured as an indication of the presence and...
3974040 Controls for maintaining low nitrogen oxides content in internal combustion engine exhaust gases  
Control system and apparatus for measuring and monitoring the nitrogen oxides content of internal combustion engine exhaust gases. The exhaust gases are contacted with the reducing electrode of a...
3958937 Method and apparatus for determining total oxygen demand of combustible materials in aqueous dispersion  
A method and an apparatus are provided for determining the total oxygen demand of combustible materials in an aqueous dispersion. In the first step, a feed gas stream composed of an inert gas...
3865707 Combustible mixture analyzer  
The sample of the gaseous fuel mixture to be analyzed is directed from the feed line leading to a combustion chamber and circulated through a flame arrestor and gas flow meter to a combustion...
3859192 APPARATUS FOR THE MEASUREMENT OF THE OXYGEN CONTENT OF A GAS STREAM  
A sensor measures the oxygen content of sample gas flowing in a stream in a conduit. A tube of solid electrolyte material has a closed end and an open end adapted to be secured to the conduit with...
3819499 DEVICE FOR DETECTING ONE OR MORE OXIDIZABLE COMPONENTS IN A SAMPLE  
A device for detecting oxidizable components in a mixture in a reaction space through which a constant stream of gas is passed. A measuring and dosing cell for oxygen maintaining the oxygen content...
3698384 OXYGEN CONSUMPTION RATE MONITOR  
The disclosure relates to a system for monitoring the oxygen consumption rate of a process and includes a dual solid electrolyte electrochemical cell combination in which one cell is utilized as an...
3616413 SOLID ELECTROLYTE OXYGEN SENSOR  
The invention relates to a solid electrolyte oxygen sensor comprising a solid electrolyte operating at an elevated temperature which measures the difference in concentration of oxygen on either...
3347767 Device for monitoring oxygen content of gases  
3791953 Title is not available  
Matches 51 - 100 out of 100 < 1 2