INTERNAL COMBUSTION ENGINE - A partially deactivatable internal combustion engine has two cylinder banks 07 - 22 - 2010 20090194064METHOD TO OPTIMIZE FUEL ECONOMYPREVENTINGCYLINDER DEACTIVATION
the lean engine operationresultingfrom the cylinder deactivation
also there are issues with the oil control solenoids that leak oil when not commandedalso causingcylinder deactivation
the different loading forcesresultingfrom cylinder deactivation
some later mechanismledto cylinder deactivation
The target torque to be set by the engine ... a limited maximum torquecan be setin cylinder deactivation
their new sister company , Chryslerhave ledthe way - cylinder deactivation
Mazda(passive) designed byCylinder deactivation
GMinventedcylinder deactivation
The dod / afm iscausescylinder deactivation
an imbalance in engine firingcan causean imbalance in engine firing
the issueis causingthe issue
NVH concerns(passive) caused byNVH concerns
NVH problems(passive) caused byNVH problems
in cabin resonance issuesresultingin cabin resonance issues
lower frequency and higher amplitude torque vibrations at the crankshaftcauseslower frequency and higher amplitude torque vibrations at the crankshaft
oil burning at higher mileages as well as being super annoying to NVHcan causeoil burning at higher mileages as well as being super annoying to NVH
` engine_has_cylinder_deactivation ` to 0set` engine_has_cylinder_deactivation ` to 0
to less fuel consumptionleadsto less fuel consumption
the torque variation(passive) caused bythe torque variation
uneven head and block temperatures between the active and inactive cylinderswill causeuneven head and block temperatures between the active and inactive cylinders
to conserve gas by shutting off the two outside cylinders during cruisingdesignedto conserve gas by shutting off the two outside cylinders during cruising
an internal combustion engine(passive) caused byan internal combustion engine
thorough combustionpreventingthorough combustion
to seamlessly cut power to two of the six cylinders under low load situations to save fueldesignedto seamlessly cut power to two of the six cylinders under low load situations to save fuel
to boost fuel economy as much as 12 percent by running just four cylinders in cruising and coasting situationsis designedto boost fuel economy as much as 12 percent by running just four cylinders in cruising and coasting situations
lower frequency and higher amplitude torque pulsations at the crankshaftcauseslower frequency and higher amplitude torque pulsations at the crankshaft
low engine order excitations(passive) caused bylow engine order excitations
at least 5 engine replacements reported here due to rocker arm fallen(passive) caused byat least 5 engine replacements reported here due to rocker arm fallen
in a 0.1 to 0.2 mpg increase and not a 1 to 2would resultin a 0.1 to 0.2 mpg increase and not a 1 to 2
in fuel economy benefitresultsin fuel economy benefit
noise(passive) caused bynoise
to improve fuel economyis designedto improve fuel economy
to improve emissions outputis designedto improve emissions output
to the fuel saving without compromising the vehicle drivabilitycontributesto the fuel saving without compromising the vehicle drivability
to a low fuel consumption rate of 7L/100 kmcontributesto a low fuel consumption rate of 7L/100 km
the vehicle to slow faster than usual when you let off the gascausesthe vehicle to slow faster than usual when you let off the gas
to that mileage numbercontributesto that mileage number
alsocausesalso
the flow disturbances(passive) caused bythe flow disturbances
an abrupt drop in torque(passive) caused byan abrupt drop in torque
a slight vibrationcausesa slight vibration
a variable displacement engine , which means you can enjoy the on - demand power of a large capacity engine together with the fuel economy of a smaller engineeffectively createsa variable displacement engine , which means you can enjoy the on - demand power of a large capacity engine together with the fuel economy of a smaller engine
durability or operating problems ... or is it merely a matter of undesirable shakes or vibes sometimescausesdurability or operating problems ... or is it merely a matter of undesirable shakes or vibes sometimes
future problemswill causefuture problems
the typically jarring sound(passive) usually caused bythe typically jarring sound
to be star of the line - upis setto be star of the line - up
problems with SG ... it did n't on the Impala , worked beautifully ) 09 - 11 - 2008 , 03:42 PM # 7 ( permalinkcan causeproblems with SG ... it did n't on the Impala , worked beautifully ) 09 - 11 - 2008 , 03:42 PM # 7 ( permalink
to 11 per cent fuel efficiency improvement Selectable Drive Modescontributingto 11 per cent fuel efficiency improvement Selectable Drive Modes