Diagnosis apparatus for air transfer apparatus and method...

Details Diagnosis apparatus for air transfer apparatus and method... Diagnosis apparatus for air transfer apparatus and method...

2006-10-17

2006-10-17

McCall, Eric S. (Department: 2855)

Measuring and testing

Simulating operating condition

Marine

Reexamination Certificate

active

07121137

ABSTRACT:
An air pump is driven under a condition where a check valve is not opened, and an occurrence of failure in the check valve and the air pump is diagnosed based on a driving load of the air pump or a pressure upstream of the check valve or a pressure downstream of the check valve at the time.

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