Apparatus for and method of monitoring the condition of a filter element
First Claim
1. A filter system comprising:
- a filter assembly including a housing, a filter element disposed within said housing, an inlet passage extending through said housing, and an outlet passage extending through said housing, said outlet passage in communication with said inlet passage through said filter element; and
a monitoring assembly including an inlet pressure transducer in communication with and gauging an inlet pressure measurement within said inlet passage, an outlet pressure transducer in communication with and gauging an outlet pressure measurement within said outlet passage, and a microprocessor linked to said inlet and outlet pressure transducers, wherein said microprocessor receives at least one element condition measurement and calculates an element condition status using said at least one element condition parameter.
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Accused Products
Abstract
A filter system including a filter assembly having a housing, a filter element disposed within the housing, an inlet passage extending through the housing, and an outlet passage extending through the housing, the outlet passage in communication with the inlet passage through the filter element; and an element condition monitoring assembly including an inlet pressure transducer in communication with the inlet passage, an outlet pressure transducer in communication with the outlet passage, and a microprocessor linked to the inlet and outlet pressure transducers. The inlet pressure transducer gauges the pressure in the inlet passage, and the outlet pressure transducer gauges the pressure in the outlet passage. The microprocessor calculates a pressure differential between the inlet and outlet pressure and calculates an element condition status using at least one element condition parameter, which may include the pressure differential.
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Citations
20 Claims
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1. A filter system comprising:
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a filter assembly including a housing, a filter element disposed within said housing, an inlet passage extending through said housing, and an outlet passage extending through said housing, said outlet passage in communication with said inlet passage through said filter element; and
a monitoring assembly including an inlet pressure transducer in communication with and gauging an inlet pressure measurement within said inlet passage, an outlet pressure transducer in communication with and gauging an outlet pressure measurement within said outlet passage, and a microprocessor linked to said inlet and outlet pressure transducers, wherein said microprocessor receives at least one element condition measurement and calculates an element condition status using said at least one element condition parameter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for monitoring the condition of a filter element of a filter assembly comprising the steps of:
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measuring an inlet pressure in an inlet passage of the filter assembly using an inlet pressure transducer in communication with the inlet passage;
measuring an outlet pressure in an outlet passage of the fluid filter assembly using an outlet pressure transducer in communication with the outlet passage; and
determining the differential pressure between the inlet pressure and the outlet pressure. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A filter element condition monitoring assembly for a filter system having a housing, an element disposed within the housing, an inlet passage extending through the housing, and an outlet passage extending through the housing, comprising:
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an inlet pressure transducer communicable with the inlet passage and adapted to measure an inlet pressure in the inlet passage;
an outlet pressure transducer communicable with the outlet passage and adapted to measure an outlet pressure in the outlet passage; and
a microprocessor linked to said inlet and outlet pressure transducers, wherein said microprocessor receives said inlet and outlet pressure and calculates an element condition status using said inlet and outlet pressures.
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Specification