Electrical heater apparatus
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United States of America Patent
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-
Jan 3, 2006
Grant Date -
N/A
app pub date -
Nov 3, 2004
filing date -
Nov 3, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A self retaining crankcase heater (10) has a tubular casing (12) of relatively flexible, thermally conductive material in which is received a PTC element (16), sandwiched by semi-cylindrical terminal blocks (14). Spring contacts (18a) are received in grooves (14c) of the terminal blocks and the assembly is potted with heat conductive material (20) and sealed with sealant (22). Locking projections (12d) are formed at open end (12c) of the casing which are lockingly received in an annular recess (24a; 26d) of a well (24; 26) in a compressor housing wall.
First Claim
Family
International Classification(s)
Cited Art Landscape
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