Valves, pressure sensing devices, and controllers for heating appliances
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United States of America Patent
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Aug 26, 2014
Grant Date -
Nov 28, 2013
app pub date -
Jan 24, 2012
filing date -
Feb 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A valve apparatus includes substantially co-aligned first and second valve seats and substantially co-aligned first and second valve members. The first valve member is moveable relative to the first valve seat between at least an open position in which the first valve member is spaced from the first valve seat and a closed position in which the first valve member is seated against the first valve seat. The second valve member is moveable relative to the second valve seat between at least an open position in which the second valve member is spaced from the second valve seat and a closed position in which the second valve member is seated against the second valve seat. An armature is operable for moving the first and second valve members, in response to a magnetic field generated by a coil.
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