Pressure regulator device and system
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United States of America Patent
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Apr 21, 2009
Grant Date -
Jan 17, 2008
app pub date -
Jul 12, 2006
filing date -
Jul 12, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pressure regulator is provided. In one embodiment, the pressure regulator includes a housing having a supply port for receiving a pressurized medium within the housing and an outlet port for outputting the pressurized medium to a downstream device. The housing of this embodiment also includes a vent port for venting the pressurized medium from the housing. The pressure regulator of this embodiment further includes two pistons disposed within the housing, wherein one piston controls flow of the pressurized medium through the supply port, and the other piston controls flow of the pressurized medium through the vent port, based on the level of pressure within the housing. Other embodiments of pressure regulator devices and systems are also provided.
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