Sentences with phrase «friction losses»

"Friction losses" refers to the energy or power that is lost due to the resistance encountered when two objects or surfaces rub against each other. It is the energy that gets wasted in overcoming this resistance or friction. Full definition
This enables a smaller and lighter cooling fan on the back of the radiator and reduces friction loss by approximately 30 %.
How can you get better engine efficiency or better mileage with a CVT with more transmission friction loss than dual clutch units?
This also limits the maximum RPM of the engine because there are increased friction losses due to increased speed of the piston at the same RPM when compared to an engine with less stroke.
The advantages of this arrangement are lower friction losses, lighter weight, and more efficient energy regeneration.
Gears in drive lines produce friction losses and are to be avoided if possible.
Several measures have been adopted to reduce friction losses within various parts of the engine, enhancing fuel economy.
An innovative low - friction oil and optimized piston rings also reduce friction losses.
A new high - pressure injection system and continuously - controlled variable oil pump reduce friction losses in the engine, with the lower powered 110 ps version available across both the standard cee'd and new GT Line range.
Other improvements include an Auto Start - Stop e-pump, enhanced kinematics for minimal internal friction losses and a unique high - speed one - way clutch that allows for nonsequential shifting.
The all - new Porsche Doppelkupplung (PDK) eight - speed twin - clutch automatic transmission delivers 28 - percent less friction loss than its predecessor, and shifts just as smoothly.
According to the Honda Accord's Chief Engineer, Koji Ninomiya, the key advantage of Honda's two - motor approach over the power - split design is its simpler gearing which can reduce internal transmission friction losses by as much as 50 percent.
I never could figure out, and no one has offered anything intelligent, to explain how the two speed front works with the seven speed rear - seems to me there's some serious friction losses and wear in front.
CVTs are friction devices and have continuous friction type loss and wear whereas the dual clutch transmission only exhibit friction loss and wear during the actual shift which takes less than a second.
Porsche engineers claim the new compact gearbox shows a 28 per cent improvement in friction loss over the previous version, using a more efficient map - controlled, multi plate clutch to distribute power rather than a torque converter.
Higher Friction losses, greater reciprocating mass, 2 extra cylinders and economy figures that are close to their 4cyl 2.0.
Other upgrades are redesigned internals to cut mechanical friction losses by the piston skirts, other reciprocating parts, and the car gets a new oil pump to circulate low viscosity oil.
Those help generate a 30 percent reduction in engine friction loss, Subaru said.
The new AWD disconnect clutch decouples the AWD drive train to minimize friction losses, and can provide a savings contribution of up to 6 % (on the highway).
Friction losses in the engines and belt drive have been reduced to optimize the efficiency and service life of the four - cylinder engine family.
This would reduce much of the pumping losses from making the pistons suck through a nearly closed throttle, and would seemingly allow for better fuel economy, due in part from both 1) lower RPM so less friction loss and 2) less pumping loss.
Internal friction losses have been reduced to a minimum and innovative technologies have been employed (such as the multi-spark ignition function which implements three successive sparks of different intensity and duration) to reduce fuel consumption by 30 per cent compared to the 599 GTB Fiorano depsite the increase in power and torque.
In all modes, the Golf reduces friction losses by decoupling the motor from the one - speed transmission and «sailing» whenever you lift off the pedal.
Infiniti says the variable combustion ratio mechanisms and related hardware increases VC - T engine's weight by about 22 lb compared with a regular inline 4, and that friction losses are similar to those in a four - cylinder engine with a balance shaft.
Traffic regulations in a large number of countries require trucks to always drive with an engaged gear, which in turn provides a certain amount of engine braking (viscous losses to the engine oil and air pumped through the engine and friction losses to the cylinder walls and bearings) when no accelerator pedal is applied.
DCTs are more efficient because their helical gears (in place of a conventional automatic's planetary gears) create lower hydraulic and friction losses.
Turbocharging can improve the fuel economy [88] of diesel engines by recovering waste heat from the exhaust, increasing the excess air factor, and increasing the ratio of engine output to friction losses.
Unlike conventional systems, this physically, rather than electronically, decouples the rear - axle to reduce friction losses but can reengage drive almost instantaneously.
Only two clutches are open at a time in each gear, thus reducing friction losses to a minimum under all conditions and in every situation.
Featuring a 150 - bar gasoline direct injection fuel system, Dual Continuously Variable Valve Timing (DCVVT), and an optimized low - weight crankshaft design and exotic coating technologies on the piston skirts, piston rings and tappets to reduce friction losses, the new 3.3 L engine produces maximum power of 300 ps (296 hp, 221 kW)-- 14.5 % more than a comparable displacement engine equipped with MPI).
I should correct one thing: the increased low - end torque from the turbo / DI combination also allows more driving to be done without downshifting, which downspeeds the engine and reduces friction losses.
Further efficiency measures include intake CAMTRONIC and a friction loss reduction package.
Thanks to them friction loss is diminished.
Subaru claims a 28 - percent reduction in friction losses, mainly due to lighter pistons and connecting rods.
Measures to reduce friction losses and thus help enhance engine efficiency include the adoption of narrow, lightweight roller rocker arms and low - friction timing chains, while D - 4S direct fuel injection helps create optimum combustion conditions, contributing to enhanced fuel efficiency.
Friction loss has been cut by approximately 20 % compared to the current engine (when running at 50km / h).
Currently, vehicles with classic, controllable all - wheel drive (AWD) do not have better fuel economy than vehicles with permanent all - wheel drive; even when the second axle is trailing, the driveline is active, which causes spilling and friction losses.
AWD Disconnect systems respond to driver inputs and road conditions to seamlessly switch between AWD and two - wheel drive modes, actively disconnecting components such as the propshaft and rear axle to reduce friction losses and improve fuel consumption.
The innovative thermal management system shortens the warm - up phase of the manual transmission, among other things, and thereby reduces friction loss.
This engine produces 170 hp and 175 lb - ft of torque — a carryover from the outgoing model — with the latest version of the CVT achieving a 40 percent reduction in friction loss, as well as gaining a wider gear ratio and greater efficiency compared to earlier units.
The adoption of an offset crankshaft lowers the piston thrust load to reduce friction losses.
The new transmission also features a three - pronged approach to friction loss, ultimately boosting economy.
Measures to reduce friction losses and thus improve engine efficiency include the adoption of narrow, lightweight roller rocker arms and low - friction timing chains, while D - 4S direct fuel injection helps create optimum combustion conditions, contributing to enhanced fuel economy.
In order to make use of additional saving potentials, BMW has provided the multiple - disk clutch with a spring - loaded Efficient valve, which lowers the oil level in the clutch and significantly reduces friction losses (oil splash losses).
It also detects when all - wheel - drive is not required, such as on a dry, clear motorway, and reverts to front - wheel - drive to reduce friction loss and save fuel.
In this case thesystem switches off the rear - wheel drive system and reverts to front - wheel drive to reduce friction loss and save fuel.
A conventional AWD system can increase the fuel consumption of a vehicle by up to ten percent if the friction losses in the drive train and the mass of the components are taken into consideration.
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