Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system
Patent
1997-09-12
2000-06-27
Wachsman, Hal
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Mechanical measurement system
702 50, 702 51, 73 39, 73 1901, 73 1905, G01M 302
Patent
active
060817674
ABSTRACT:
The invention provides a method for determining the amount of undissolved gas present in a hydraulic system by supplying hydraulic medium thereto under overpressure, one of the parameters Pressure (P) and Volume (V) being set during this supply and the course of the variation of the other parameter (Volume (V) or Pressure (P)), which is dependent thereon and on the amount of undissolved gas, being recorded; the detection results are then compared with those which were calculated and/or are known for a reference system which corresponds to the system and is subjected to the same treatment when the hydraulic medium present therein contains no dissolved gas or a known amount of dissolved gas; from this comparison results an indication of the amount of undissolved gas, and also of its location, in the system.
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patent: 5635631 (1997-06-01), Yesudas et al.
patent: 5767389 (1998-06-01), LaFountain
patent: 5767397 (1998-06-01), Eisele
patent: 5808909 (1998-09-01), Rees
patent: 5908983 (1999-06-01), Binder
Vossen Roland Ludovicus Adrianus
Witt Klaus Leonard
Sun Electric Systems B.V.
Wachsman Hal
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