Method and apparatus for sensing the regeneration of a diesel en

Details Method and apparatus for sensing the regeneration of a diesel en Method and apparatus for sensing the regeneration of a diesel en

1989-04-10

1990-07-03

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Using ionization effects

For analysis of gas, vapor, or particles of matter

324466, 324701, 324717, 324727, 7386109, G01N 2762

Patent

active

049394665

ABSTRACT:
A diesel engine exhaust system is provided with a particulate trap for collecting the products of incomplete combustion during the engine power cycle. A sensing mechanism including an electrode downstream of the trap and a signal generating circuit provides a positive indication of occurrence of regeneration of the trap. Charged particles generated during regeneration induce a charge of the electrode, that charge activates the signal generating circuit and it, in turn, produces an indication external of the exhaust system that trap regeneration is occurring. That indication can be in the operator's compartment.

REFERENCES:
patent: 3679973 (1972-07-01), Smith
patent: 4127029 (1978-11-01), Murtin
patent: 4456883 (1984-06-01), Bullis et al.
patent: 4584531 (1986-04-01), Couch
patent: 4628267 (1986-12-01), Lee
patent: 4644263 (1987-02-01), Johnson

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