METHODS AND SYSTEMS FOR PERFORMING, MONITORING AND ANALYZING MULTIPLE MACHINE FLUID PROCESSES
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United States of America Patent
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app pub date -
Jun 22, 2015
filing date -
Apr 8, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A valve system for an engine driven apparatus having a fluid system having a fluid reservoir includes a valve assembly structured for use in connection with the fluid reservoir in the fluid system that comprises a first check valve having an outlet and an inlet and a second check valve having an outlet and an inlet, an inlet/outlet port at a common refill/evacuation location, where the inlet/outlet port is in fluid communication with the outlet of the second check valve and the inlet of the first check valve, where application of positive pressure from the inlet/outlet port causes fluid to flow from the common refill/evacuation location through the first check valve into the fluid system, and where application of negative pressure from the inlet/outlet port causes fluid to flow from the fluid reservoir through the second check valve into the first common refill/evacuation location.
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