Method and device for controlling the flow of fluid in an air-conditioning and/or heating system and system using such a device and/or control method
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United States of America Patent
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Nov 30, 2021
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N/A
app pub date -
Sep 10, 2019
filing date -
Sep 12, 2018
priority date (Note) -
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Abstract
A method to control a carrier fluid through a service line (5) of a conditioning and/or heating system (1). The service line includes a heat exchange unit (7), a flow regulator (8), temperature sensors (9; 9a, 9b) detecting a temperature difference (ΔTi) between the carrier fluid in a first section (5a) of the service line (5) upstream of said heat exchange unit (7) and carrier fluid in a second section (5b) of the service line (5) downstream of the same heat exchange unit (7). The method includes calculating a value assumed by a control parameter (Pc) which is a function of at least one or more values assumed by the temperature difference in the transition of the flow regulator from a first to a second operating condition, for then determining whether the value of the control parameter (Pc) is higher than a threshold (S).
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