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Heffels
Camiel Heffels, Stutensee-Buchig DE
| Patent application number | Description | Published |
|---|---|---|
| 20100134784 | Detector Arrangement for a Nondispersive Infrared Gas Analyzer and Method for the Detection of a Measuring Gas Component in a Gas Mixture by Means of Such a Gas Analyzer - A detector arrangement for detection of a measuring gas component in a gas mixture is provided. The arrangement includes a gas analyzer, a first single-layer receiver and a further single-layer receiver, the first single-layer receiver containing the measuring gas component and the further single-layer receiver containing a transverse gas. A concentration of the measuring gas component in the gas mixture is determined from signals delivered by sensors of the single-layer receivers. An evaluating device includes an n-dimensional calibration matrix for obtaining matrix signal values. Signal values of different known concentrations of the measuring gas component in the presence of different known transverse gas concentrations are stored as n-tubules in the evaluating device. The concentration of the measuring gas component in the presence of unknown transverse gas concentrations is determined by comparing n-tuples of signal values thereby obtained with the n-tuples of signal values stored in the calibration matrix. | 06-03-2010 |
| 20110032514 | Non-Dispersive Infrared Gas Analyzer - The invention relates to a NDIR-gas analyser comprising an infrared radiation source ( | 02-10-2011 |
Camiel Heffels, Stutensee DE
| Patent application number | Description | Published |
|---|---|---|
| 20080247906 | Luminescence Sensor for Determining and/or Monitoring an Analyte that is Contained in a Fluidic Process Medium - A device for determining and/or monitoring an analyte contained in a fluidic process medium. The device comprises a sensor, which contains a process membrane with a porous support structure, a luminescent substance, that comes into contact with the analyte or gaseous process medium, being embedded in said support structure, an emitter unit, whose radiation excites the luminescent substance, causing it to emit luminescent radiation, a receiver unit, which detects the luminescent radiation and a control/evaluation unit, which determines the concentration or the partial pressure or pressure of the analyte using the quenching of the luminescent radiation of the luminescent substance. According to the invention, the porous support structure comprises plastic, ceramic, metal or foamed plastic. | 10-09-2008 |
Camiel Heffels, Stutensee-Büchig DE
| Patent application number | Description | Published |
|---|---|---|
| 20100134784 | Detector Arrangement for a Nondispersive Infrared Gas Analyzer and Method for the Detection of a Measuring Gas Component in a Gas Mixture by Means of Such a Gas Analyzer - A detector arrangement for detection of a measuring gas component in a gas mixture is provided. The arrangement includes a gas analyzer, a first single-layer receiver and a further single-layer receiver, the first single-layer receiver containing the measuring gas component and the further single-layer receiver containing a transverse gas. A concentration of the measuring gas component in the gas mixture is determined from signals delivered by sensors of the single-layer receivers. An evaluating device includes an n-dimensional calibration matrix for obtaining matrix signal values. Signal values of different known concentrations of the measuring gas component in the presence of different known transverse gas concentrations are stored as n-tubules in the evaluating device. The concentration of the measuring gas component in the presence of unknown transverse gas concentrations is determined by comparing n-tuples of signal values thereby obtained with the n-tuples of signal values stored in the calibration matrix. | 06-03-2010 |
Stephan Heffels, Münster DE
| Patent application number | Description | Published |
|---|---|---|
| 20110100824 | CATHODIC ELECTRODEPOSITION PAINT CONTAINING A VINYLPYRROLIDONE COPOLYMER - The invention relates to an aqueous coating composition containing (A) at least one organic binder that can be dispersed in water and contains cationic groups, and (B) 0.05-10 wt. %, in relation to the solid body content of the aqueous coating composition, of a water-dilutable vinylpyrrolidone copolymer. Said vinylpyrrolidone copolymer (B) contains vinylpyrrolidone monomer units and vinylacetate monomer units in a molar ratio of 0.3:0.7-0.7:0.3, preferably 0.4:0.6-0.6:0.4 and has an average molecular weight of less than 200.000 g/mol. | 05-05-2011 |
Stephan Heffels, Münster DE
| Patent application number | Description | Published |
|---|---|---|
| 20110100824 | CATHODIC ELECTRODEPOSITION PAINT CONTAINING A VINYLPYRROLIDONE COPOLYMER - The invention relates to an aqueous coating composition containing (A) at least one organic binder that can be dispersed in water and contains cationic groups, and (B) 0.05-10 wt. %, in relation to the solid body content of the aqueous coating composition, of a water-dilutable vinylpyrrolidone copolymer. Said vinylpyrrolidone copolymer (B) contains vinylpyrrolidone monomer units and vinylacetate monomer units in a molar ratio of 0.3:0.7-0.7:0.3, preferably 0.4:0.6-0.6:0.4 and has an average molecular weight of less than 200.000 g/mol. | 05-05-2011 |