Method and apparatus for detecting degree of clogging in particl

Details Method and apparatus for detecting degree of clogging in particl Method and apparatus for detecting degree of clogging in particl

1982-03-25

1985-01-08

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

55283, 55DIG30, 60286, 60311, 73 38, F01N 302

Patent

active

044920792

ABSTRACT:
Particles contained in the exhaust gas discharged from an internal combustion engine are trapped by a particle-trapping-member disposed in an exhaust gas flow path. The flow rate of the exhaust gas is measured directly or indirectly, and the pressure loss for the trapping member is compared with an exhaust gas flow rate to measure the degree of clogging trapped by the trapping member. When the degree of clogging exceeds the predetermined valve, a command signal for closing an intake throttle is generated to reproduce said particle-trapping-member.

REFERENCES:
patent: 3412786 (1968-11-01), Taylor
patent: 3937015 (1976-02-01), Akado et al.
patent: 4198853 (1980-04-01), Graham
patent: 4211075 (1980-07-01), Ludecke et al.
patent: 4217757 (1980-08-01), Crone, Jr.
patent: 4281512 (1981-08-01), Mills
patent: 4319896 (1982-03-01), Sweeney
patent: 4345431 (1982-08-01), Suzuki

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