Glow plug having built-in sensor

Details Glow plug having built-in sensor Glow plug having built-in sensor

2007-06-13

2009-12-22

Robinson, Daniel L (Department: 3742)

Electric heating

Heating devices

Resistive element: igniter type

C219S260000

Reexamination Certificate

active

07635826

ABSTRACT:
A glow plug includes a heater member; heater power lead wires which extend rearward along an axis and whose conductors electrically communicate with one and of a heater conductor for supply of power; a sensor, portion for detecting the combustion pressure of an internal combustion engine; a sensor connection line connected to the sensor portion and extending rearward along the axis; a housing; a sensor-portion-enclosing tube; and a grommet formed from an insulating rubber-like elastic material, having insertion holes through which the heater power lead wires and the sensor connection line are respectively inserted, the grommet liquid-tightly closing an end portion of the sensor-portion-enclosing tube and liquid-tightly holding the heater power lead wires and the sensor connection line.

REFERENCES:
patent: 6335516 (2002-01-01), Muller et al.
patent: 6416848 (2002-07-01), Sawamura
patent: 6979801 (2005-12-01), Okazaki et al.
patent: 2005/0252903 (2005-11-01), Maki et al.
patent: 10122144 (1998-05-01), None
patent: 2005-90954 (2005-04-01), None
patent: 2005-207730 (2005-08-01), None

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