Engine glow plug systems and methods
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 8, 2001
Grant Date -
N/A
app pub date -
May 10, 1999
filing date -
May 10, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An AC glow plug system is provided that includes a static converter for DC to AC conversion. Control techniques include varying the converter duty cycle according to glow plug temperature and other parameters such as engine air or coolant temperatures for smooth running as well as for prolonging glow plug life. Control is also varied according to fuel system characteristics and fuel composition.
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