Filter sensor
First Claim
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1. A filter life sensor assembly within an air handling system which includes an air flow intake, an air flow exit, and a filter disposed between the air flow intake and air flow exit, the filter life sensor assembly comprising:
- a bypass connecting the air flow intake to the air flow exit;
a dielectric sensor adjacent the bypass;
wherein the dielectric sensor generates an electrical signal in response to the air flow passing through the bypass,and wherein the filter life sensor assembly transmits an output signal indicative of the filter condition, the output signal resulting from a measurement of air flow passing through the bypass and not resulting from a measurement of air flow passing through the filter.
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Abstract
A filter life sensor assembly within an air handling system is disclosed. The air handling system includes an air flow intake, an air flow exit, and a filter disposed between the air flow intake and air flow exit. The filter sensor assembly comprises a bypass connecting the air flow intake to the air flow exit, a dielectric sensor adjacent the bypass, wherein the dielectric sensor generates an electrical signal in response the air flow passing through the bypass.
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Citations
15 Claims
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1. A filter life sensor assembly within an air handling system which includes an air flow intake, an air flow exit, and a filter disposed between the air flow intake and air flow exit, the filter life sensor assembly comprising:
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a bypass connecting the air flow intake to the air flow exit; a dielectric sensor adjacent the bypass; wherein the dielectric sensor generates an electrical signal in response to the air flow passing through the bypass, and wherein the filter life sensor assembly transmits an output signal indicative of the filter condition, the output signal resulting from a measurement of air flow passing through the bypass and not resulting from a measurement of air flow passing through the filter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification