PRESSURE ACCUMULATOR HAVING A MONITORING DEVICE
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United States of America
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Issued Date -
Apr 22, 2021
app pub date -
Mar 11, 2019
filing date -
Mar 11, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A pressure accumulator having an accumulator housing (10) in which a movable separating element (16) separates a gas room (12) filled with a working gas from a fluid room (14) in a fluid-sealed manner, wherein a monitoring device (46) is provided, which, in the event of a fault impairing the sealing effect of the separating element (16), provides an optically discernible indication and which has an inspection window (54), through which an indicator can be observed, which is connected to the gas room (12) and whose optical properties change discernibly when wetted with the fluid, is characterized in that the indicator changing its optical properties is accommodated in a capsule (48), the capsule wall (50) of which is permeable to the passage of the fluid and which is arranged between the inspection window (54) and the separating element (16) in the accumulator housing (10).
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