Electric heating – Inductive heating – With heat exchange
Reexamination Certificate
2007-01-30
2007-01-30
Robinson, Daniel (Department: 3742)
Electric heating
Inductive heating
With heat exchange
C521S046500
Reexamination Certificate
active
11114703
ABSTRACT:
The invention provides molding compounds that are particularly suitable to be molded into an article such as a heating element that will conduct heat and not burn when an electric current is passed through the article. These compounds are generally liquid thermosetting molding resins which comprise a thermoset resin matrix such as a terephthalate polyester which can include blends of polyester and/or vinyl ester with a significant loading of conductive inorganic filler, typically graphite. The compositions also include flame and sound retardant additives, and glass fibers. They are further formulated to meet the desired molding characteristics; to withstand the operating temperatures to which they will be exposed; and to have a predetermined strength and a desirable user interface including appearance, and odor. Typically, the compounds will have a glass transition temperature from about 160° C. (320° F.) to about 195° C. (383° F.).
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patent: 2004/0089655 (2004-05-01), Matsen et al.
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Electronically Commutated DC Motor Products for Use in Transit & Tour Coaches; by Henry Roesler. AMETEK Rotron Technical Products Parts & Service Manual for 150068-00/01, Dual Shaft Blower, Rev. A 04/03. Information for this article has in part come from the “Electronically Commutated DC Motor Products for use in Transit Buses” Paper given at the AFTA Bus Operations conference, May, 1992, presented by EG&G Rotron.
Hudak, Shunk & Farine Co. LPA
Premix Inc.
Robinson Daniel
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