Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation
Reexamination Certificate
2005-06-28
2005-06-28
Nghiem, Michael (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Performance or efficiency evaluation
Reexamination Certificate
active
06912479
ABSTRACT:
The present invention relates to a heavy equipment having an oil pollution degree diagnosing function, and an oil pollution degree measuring system on a network using the same, and an operation method, and in particular to a heavy equipment which is capable of measuring a pollution state of an engaging chain heavy equipment oil of a complicated hydraulic apparatus based on a phenomenon that an intensity of a transmitting light is different based on the amount of a pollution particle contained in an oil by transmitting a sensor light into an oil which circulates in a heavy equipment which is driven by a hydraulic system, and an oil pollution degree measuring system on a network, and an operation method of the same which are capable of diagnosing an oil measuring value of each heavy equipment in a remote server and informing an oil exchanging time and an abnormal state of a hydraulic system.
REFERENCES:
patent: 5739916 (1998-04-01), Englehaupt
patent: 6575018 (2003-06-01), Berndorfer et al.
patent: 2001/0013247 (2001-08-01), Wilson et al.
patent: 2000303504 (2000-10-01), None
English Translation of JP 2000-303504, Atsushi, Oct. 30, 2000.
Derwent English Abstract of JP 2000303504 Dated Oct. 31, 2000.
Kang Ho Jin
Kim Dong Jun
Ryu Byung Jin
Son Young Jin
Ladas & Parry LLP
Nghiem Michael
Volvo Construction Equipment + Holding Sweden AB
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