METHOD AND SYSTEMS FOR CONTROLLING FLUID TEMPERATURE IN A HYDRAULIC SYSTEM OF AN AIRCRAFT POWERED BY AN HPP
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Oct 1, 2024
filing date -
Oct 1, 2024
priority date (Note) -
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Abstract
A hydraulic system (12) for an aircraft (10), wherein the hydraulic system (12) includes a hydraulic power pack (14), a hydraulic fluid reservoir (28) and a hydraulic pump (30), a hydraulic consumer (18), a high-pressure supply line (38) supplying the hydraulic consumer (18) with hydraulic fluid under higher pressure, and a low-pressure return line (40) returning hydraulic fluid under lower pressure from the hydraulic consumer (18); heating device (42) with a short-cut line (44) connecting the high-pressure supply line (38) with the low-pressure return line (40) and a heater valve (46) for opening and closing the short-cut line (44), and a control and monitoring unit (43). Temperature management includes automatically controlling a fluid temperature by monitoring the fluid temperature and controlling the heater valve (46).
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