DUAL FUNCTION BREATHER BYPASS SYSTEM
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United States of America Patent
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Issued Date -
Aug 8, 2013
app pub date -
Jun 30, 2010
filing date -
Jun 30, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A breather system functions, under high load conditions, as an open breather system, and functions as a closed breather system under low load conditions. The breather system includes a first flow path between the engine crankcase and an air intake for the engine, and a three-way valve mechanism located within the flow path and responsive to air intake depression pressure to close the pathway leading to the air intake and allow for a second flow path between the engine chamber and atmosphere to function as an open breather system. When the air intake depression pressure in the air intake is such that the valve leading to the air intake is open, the system operates as a closed breather system.
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