F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/3
F01N 3/02 (2006.01) F01N 3/023 (2006.01) F01N 3/025 (2006.01) F01N 3/033 (2006.01) F01N 9/00 (2006.01) F01N 13/04 (2010.01) F01N 3/029 (2006.01) F01N 3/32 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1263844
ABSTRACT A bypass blower provides air for combustion and scavenging purposes to a two-stroke diesel engine having an exhaust port from which an exhaust conduit ducts exhaust materials through a particulate trap and thence to the atmosphere. An air atomizing nozzle is provided for introducing atomized supplemental fuel into the exhaust conduit upstream of the trap and a supply of supplemental fuel and compressed air is provided. A microprocessor-based control unit is adapted to operate the bypass blower under a condition of reduced bypass during normal operation of the engine. However, when backpressure in an exhaust conduit rises to a predetermined level due to particulate build-up, the bypass blower setting is changed to increase the amount of bypass of scavenging air in order to reduce the trapped air/fuel ratio and raise the temperature of the exhaust materials. Compressed air and supplemental fuel are then delivered to the nozzle to promote burning of the exhaust materials and regeneration of the respective trap. When either the backpressure in the exhaust conduit falls or the temperature of the trap rises, the engine is returned to normal operation. In one variation, the diesel engine does include a bypass blower, but the trap regeneration temperature is lowered by operating the engine on fuel having an additive which includes one or both of manganese and copper. In a simplified version, only the bypass blower is provided, and this is operated as described above to increase the temperature of the exhaust materials when particulate build-up is detected through increased backpressure, thus initiating regeneration of the trap.
512836
Jones Murray W.
Robinson Wayne
Vergeer Henry C.
Jones Murray W.
Ortech Corporation
Robinson Wayne
Sim & Mcburney
Vergeer Henry C.
LandOfFree
Diesel particulate trap and a method of operating does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Diesel particulate trap and a method of operating, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diesel particulate trap and a method of operating will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1174800