Pipe fitting for a heatable piping of a SCR system

Pipe joints or couplings – With heating or cooling

Reexamination Certificate

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Details

C285S021200, C285S119000, C285S907000, C174S047000

Reexamination Certificate

active

08075020

ABSTRACT:
A pipe fitting for a heatable piping of a SCR (“Selective Catalytic Reduction”) system presents a body defining a hydraulic connection to make flow an urea solution from/to such piping; the pipe fitting further presenting an electrical connection, which is provided with a first terminal connectable to an electrical power supply, and with a second terminal connectable to a heating element of the piping (9); the electrical connection being also provided with an electrical resistor embedded in the body of the pipe fitting, whose material is a polymeric base and is thermally conductive to heat up the urea solution when the electrical resistor is powered.

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ASTM Designation: E1461-07 Standard Test Method for Thermal Diffusivity by the Flash Method, ASTM International, Jan. 2008, 11 pages.
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ASTM E1461 Significance and Use, ASTM International, printed Aug. 24, 2011, http://www.astm.org/Standards/E1461.htm, 3 pages.

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