Matches 1 - 13 out of 13
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US20090301058 PARTICULATE MATTER SENSOR  
Exemplary embodiments of the present invention relate methods and devices for measuring flow rate of particulate matter within an exhaust gas stream. In one particular exemplary embodiment, a...
US20090217737 Sensor Element for Gas Sensors and Method for Operating Same  
A sensor element is provided for gas sensors, in particular to determine particles in gas mixtures, the sensor element including at least one electrochemical measuring element exposed to the gas...
US20090211335 Methods and Apparatus for Monitoring Deposit Formation in Gas Systems  
Solids deposition in a gas environment, such as a gas transmission line or pipeline are measured using metal-coated quartz crystal microbalance (QCM) in a QCM probe within a high pressure gas...
US20090188300 ELECTRODE STRUCTURE FOR PARTICULATE MATTER SENSOR  
A particulate matter detector formed in an insulated device such as a spark plug. The insulated device has a center electrode having a first end and a second end. The first end of the center...
US20090126458 Sensor and Operating Method for Detecting Soot  
The invention relates to a sensor and a method for detecting soot, said method comprising the following steps: a first operating temperature is set on the sensor for a measuring phase, such that...
US20090056416 Ceramic Particulate Matter Sensor With Low Electrical Leakage  
A ceramic particulate matter sensor to measure particulate matter within an exhaust stream. The particulate matter sensor includes a high voltage electrode on a first conductive layer and a...
US20080250845 Mail screening device  
A mail screening device for hazardous materials is disclosed. The mail screening device comprises a sample collection unit that uses air jets or air knives to dislodge residues of hazardous...
US20080202208 NANO-PARTICLE CONTAINING APPARATUS, NANO-PARTICLE DETECTION SYSTEM AND METHOD THEREOF  
A nano-particle containing apparatus, a nano-particle detection system and a method are disclosed. The nano-particle containing apparatus includes a casing, an air extracting device, a pressure...
US20080190173 Soot Sensor  
The present invention relates to soot sensors based on one-piece strip conductor structures, to methods for measuring soot, and to the use of heat conductor chips for soot measurement. For this...
US20080173072 Device for detection of residual content and leakage warning for gas canister  
A device is provided for detecting residual gas content inside a gas canister and issuing a warning of gas leakage. The device includes at least one temperature sensor, one pressure sensor, a...
US20080170226 PARTICLE MONITOR SYSTEM AND SUBSTRATE PROCESSING APPARATUS  
A particle monitor system capable of accurately detecting the number of or the size of particles flowing through an exhaust pipe. In a bypass line through which a chamber is communicated with a dry...
US20080148812 SOLID PARTICLE COUNTING SYSTEM WITH VALVE TO ALLOW REDUCTION OF PRESSURE PULSE AT PARTICLE COUNTER WHEN VACUUM PUMP IS STARTED  
A solid particle counting system for measuring solid particle number concentrations from engine or vehicle exhausts in real-time includes a diluter arrangement, a particle counter, and a flow...
US20080053195 Soot Generator  
A device for generating soot particles with a reproducible and variable size distribution includes a combustion chamber ( 1 ), to which it is possible to supply fuel and oxidation gas and in which...
Matches 1 - 13 out of 13