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Filter systems

  • US 10,137,397 B2
  • Filed: 06/23/2015
  • Issued: 11/27/2018
  • Est. Priority Date: 04/20/2012
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • at least one pressure sensor and a filter supported by a filter housing, the at least one pressure sensor provided between the filter and a support member of the filter housing; and

    a control system which provides at least one of a visual indicator and an auditory signal in response to a measurement of the at least one pressure sensor exceeding a certain force associated with a clean filter,wherein the at least one pressure sensor senses a direct measurement of an increased force applied by the filter on the support member of the filter housing, as the filter becomes blocked, andthe at least one pressure sensor is directly mounted to the filter.

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