140918 ⎘
Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines; Air cleaners; Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof; Details, e.g. sensors or measuring devices with sensing means on both, the air feeding side and the clean air side
ACTIVE PRECLEANER SYSTEM AND METHODS OF USE
#2System and method of determining remaining useful life of an air filter
#3Method and device for controlling a turbocharger
#4Engine air filter replacement indication system