Internal-combustion engines – Igniters – Incandescent
Patent
1993-08-26
1994-07-12
Dolinar, Andrew M.
Internal-combustion engines
Igniters
Incandescent
1231796, 361265, 361757, F02P 1902
Patent
active
053278704
ABSTRACT:
An improved glow plug controller for a diesel engine is disclosed. The glow plug controller has a novel packaging, and means for facilitating rapid and inexpensive assembly. A novel two-chamber tubular housing includes a smaller first chamber having a threaded exterior surface for engagement with a threaded hole in an engine block. This first chamber communicates with a larger second chamber also defined by the housing. A connector bearing conductive connector pins is provided for sealing the open end of the larger chamber. The connector includes a pair of support rails for engaging a piece of circuit board on which glow plug circuitry resides. In assembly, the circuit board is first mounted on the support rails which are subsequently inserted into the larger second chamber when the connector is affixed to the open end of the second chamber. The connector pins are conductively coupled to glow plug circuitry on the circuit board via portions of conductive foil on a surface of the circuit board. Each area of foil is aligned with a respective one of the connector pins, and the connector pins are directly conductively coupled to the foil areas by soldering. A unique short circuit cut-off is provided wherein a short circuit in the glow plug relay control disables application of power to the relay control circuit, and the power is re-enabled if the short circuit condition is remedied and the power to the glow plug controller is toggled.
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Boisvert Mario P.
Kienitz Thomas P.
Zoerner Marty M.
Dolinar Andrew M.
Nartron Corporation
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