GLOW PLUG WITH PERMANENT DISPLACEMENT RESISTANT PROBE TIP JOINT
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United States of America Patent
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Issued Date -
Oct 6, 2011
app pub date -
Mar 21, 2011
filing date -
Mar 19, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A glow plug has a heater probe that can be axially misaligned relative to a central axis of an outer metal shell and of a center electrode and thereafter return automatically to its axially aligned configuration with the central axis. The outer shell has a through bore extending along the central axis. The center electrode is received in the though bore and extends along the central axis. The heater probe is attached in electrical communication with the center electrode in the through bore and extends along the central axis axially outwardly from a distal end of the shell. An annular flex joint provides the sole source of attachment of the outer shell to the heater probe via one end of the flex joint being attached to the outer shell adjacent the distal end and another end of the flex joint being attached to the heater probe.
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