138088 ⎘
By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of clogging, e.g. of particle filter
EXHAUST PURIFICATION APPARATUS
#2VEHICLE DIAGNOSTIC DEVICE
#3Exhaust system having pressure sensing system with plugging-mitigation conduit forming always-open leakage path
#4EXHAUST TAIL PIPE INSERT/EMISSIONS FILTER
#5Exhaust tail pipe/emissions filter
#6Method and system for a particulate filter having a bypass
#7EXHAUST TAIL PIPE/EMISSIONS FILTER
#8Particulate filter system having a variable degree of separation
#9Internal combustion engine exhaust filter with pressure relief
#10Exhaust gas purifying apparatus
#11Further improved reversing flow catalytic converter for internal combustion engines
#12Reversing flow catalytic converter for internal combustion engines
#13Exhaust treatment control system for an internal combustion engine
#14Gas flow arrangement apparatus and to apparatus for removing pollutants from gas streams