Exhaust catalyst preheater with flame igniter and sensor element

Details Exhaust catalyst preheater with flame igniter and sensor element Exhaust catalyst preheater with flame igniter and sensor element

1995-08-14

1997-04-08

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having sensor or indicator of malfunction, unsafeness, or...

60284, 60286, 60300, F01N 328

Patent

active

056177216

ABSTRACT:
The present invention is directed to an exhaust catalyst fuel fired preheater including a combination flame igniter and flame sensor element. A glow-plug igniter and an ion flame detector placed on the same flat plate element. The glow-plug igniter is utilized to selectively ignite the liquid fuel being delivered to the preheater. The ion flame detector is utilized to detect ionized particles that are present if the burner has an ignited flame.

REFERENCES:
patent: 3661533 (1972-05-01), David et al.
patent: 3663150 (1972-05-01), Hapgood
patent: 4581891 (1986-04-01), Usui
patent: 4608232 (1986-08-01), Sunano
patent: 4871307 (1989-10-01), Harris
patent: 5153673 (1992-10-01), Amirav
patent: 5253475 (1993-10-01), Kabasin
patent: 5339630 (1994-08-01), Pettit
patent: 5472337 (1995-12-01), Guerra

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