THERMOSTAT
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Apr 10, 2014
app pub date -
Dec 13, 2012
filing date -
Oct 9, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A thermostat apparatus may include a valve body including a first valve, a second valve, wherein the first valve may be integrally connected with the second valve , and a drive portion the drive portion includes a wax case that wax may be charged therein, a piston guide connected to a front end portion of the wax case, a piston that may be slidably inserted into the piston guide and movable in accordance with expansion or contraction of the wax, a semi-fluid that may be charged between the wax and the piston, and a rubber layer that may be formed on an upper end portion surface of the piston to seal a space the piston and an interior circumference of the piston guide.
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