Filter with memory, communication and concentration sensor
a technology of concentration sensor and filter, applied in the field of filter with memory, communication and concentration sensor, can solve the problems of unsatisfactory treatment of additional areas, and achieve the effects of accurate concentration measurement, improved sensitivity, and improved reliability and reproducibility
Inactive Publication Date: 2007-10-18
MILLIPORE CORP
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Benefits of technology
[0008] The shortcomings of the prior art are overcome by the present invention, which describes a system and method for accurately measuring the concentration of a substance within a filter element. In certain embodiments, a sensor, capable of measuring the concentration of a particular substance, and a communications device are coupled so as to be able to measure and transmit the concentration of a particular substance in the vicinity of a filter, while in use. This system can comprise a single component, integrating both the communication device and the sensor. Alternatively, the system can comprise separate sensor and transmitter components, in communication with one another. In yet another embodiment, a storage element can be added to the system, thereb
Problems solved by technology
Despite the improvements that have occurred through the use of RFID tags
Method used
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Embodiment Construction
[0011]FIG. 1 illustrates a representative filtering system in accordance with the present invention. The filter element 10 is enclosed with a housing 20. The filter element can be simply a porous material, such as pleated paper. Alternatively, the filter element may be more complex; for example, comprising a frame, such as of plastic, and a porous material. Located in close proximity of, and preferably affixed to, the filter element 10 is a concentration sensor 30. This sensor 30 is capable of generating an output, which varies as a function of the surrounding concentration of a particular substance. This output can be in the form of an analog voltage or current, or can be a digital value or pulse. In the preferred embodiment, the output varies linearly with the concentration, however this is not a requirement. Any output having a known relationship, such as logarithmic or exponential, to the surrounding concentration, can be employed. In such a situation, a transformation of the ou...
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Abstract
The present invention describes a system and method for accurately measuring the concentration of a substance within a filter housing. A concentration sensor and a communications device are coupled so as to be able to measure and transmit the concentration of a particular substance within the filter housing while in use. This system can comprise a single component, integrating both the communication device and the concentration sensor. Alternatively, the system can comprise separate sensor and transmitter components, in communication with one another. In yet another embodiment, a storage element can be added to the system, thereby allowing the device to store a set of concentration values. The use of this device is beneficial to many applications. For example, the ability to read concentration values in situ allows integrity tests to be performed without additional equipment.
Description
BACKGROUND OF THE INVENTION [0001] The use of wireless communication has become prevalent, especially in the management of assets, particularly those applications associated with inventory management. For example, the use of RFID tags permits the monitoring of the production line and the movement of assets or components through the supply chain. [0002] To further illustrate this concept, a manufacturing entity may adhere RFID tags to components as they enter the production facility. These components are then inserted into the production flow, forming sub-assemblies in combination with other components, and finally resulting in a finished product. The use of RFID tags allows the personnel within the manufacturing entity to track the movement of the specific component throughout the manufacturing process. It also allows the entity to be able to identify the specific components that comprise any particular assembly or finished product. [0003] In addition, the use of RFID tags has also ...
Claims
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Patent Timeline
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CPCA61M2205/7509Y10T436/25375B01D35/143B01D61/22B01D65/104B01D2201/291B01D2311/08B01D2311/14B01D2311/246G01N15/0618G01N2015/084G01N2035/00811B01D29/60Y10T436/115831Y10S210/905
Inventor DILEO, ANTHONY
Owner MILLIPORE CORP
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