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US 7,000,455 B2Granted
Leakage monitoring in the hydraulic pressure area of a membrane pump
AssigneeLEWA Herbert Ott GmbH & Co.
InventorMichael Stritzelberger
Life of this patent
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Abstract
In a process for the monitoring of leakage in the hydraulic pressure area of a membrane pump, processing is in a manner such that the point in time (t3), at which the snifting process serving for leakage compensation is initiated, is monitored continuously and compared with a reference value (t1), where a predetermined deviation (Δt1−t3) between two values (t3 and/or t1) triggers a leakage display.
Claims5
Process for the monitoring of leakage in a hydraulic pressure area of a membrane pump, said process comprising the steps of
- continuously monitoring a point in time at which a snifting process serving for leakage compensation is initiated, and
- comparing the monitored point in time with a reference value, where a predetermined deviation between the monitored point in time and the reference value triggers a leakage display.
Dependencies are inferred from the claim text.