Systems and methods for detecting suction valve closure

Details Systems and methods for detecting suction valve closure Systems and methods for detecting suction valve closure

2006-02-07

2008-12-09

Ramos-Feliciano, Eliseo (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Pressure

C702S105000, C702S182000, C702S189000, C701S115000

Reexamination Certificate

active

07463995

ABSTRACT:
This invention relates generally to the application of an algorithm to calculate a line that intersects a dynamic pressure waveform at two points. These points represent the point immediately prior to the suction valve closure event and the point directly after the event. The distance between each sample on the dynamic pressure waveform and the corresponding sample on the calculated line is determined. The suction valve closure event is identified with the sample located at the furthest distance from the calculated line.

REFERENCES:
patent: 2005/0021220 (2005-01-01), Nakamura et al.
patent: 2005/0114044 (2005-05-01), Hala et al.
patent: 2005/0180868 (2005-08-01), Miller

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