Rus News Journal

For Volvo S60 Concept has been chosen chetyrehtsi

For Volvo S60 Concept has been chosen the four-cylinder 1.6-litre gasoline engine with highly effective technology GTDi (system direct injection combined with a turbo-supercharging ), allowing to develop 180 h.p.

This engine and a number of other technical innovations allowed to lower blowout of dioxide carbon to 119 g/km (5.0 l/100km). In the usual gasoline engine fuel injection is carried out in an intake manifold over inlet valves. In engines with direct injection fuel is forced under a high pressure directly in combustion chambers.

this technology provides the best blowout of gases, optimum parametres of a toplivno-air mixture and accurate control of a combustion procedure. As a result the engine provides high power and low fuel consumption.

Technology GTDi in a combination to turbo-supercharging system allows to lower an engine working volume, saving capacity parametres, thus approximately for 20 percent fuel consumption decreases and blowout CO2 is reduced.

« Technology GTDi allows to reduce blowout CO2 of gasoline engines considerably. In model S60 Concept we realised additional systems which provide fuel consumption drop. Some of these technologies will be already used in our serial cars the next years » - declared Derek Krabb (Derek Crabb), the vice-president of Volvo Cars who is responsible for working out of engines and transmission.

the first serial car of Volvo Cars with technology GTDi will be made in second half 2009.



the Steering with the electric booster, the stratified scheme of burning and other technologies

Besides technology GTDi in Volvo S60 Concept are realised the technical decisions reducing blowout CO2 to 119 g/km, including the following:

• the Stratified scheme of burning of a working mixture. The combustion chamber design provides an optimum combination of a mixture of air and fuel – the mixture in the form of steams is formed round a spark plug, and it is in turn surrounded by pure air. As a result the engine works a lot of air, reducing fuel consumption.

• function start/stop (start-up/stop) provides an engine cutoff when the car stops and is at a stop.

• system Powershift. This transmission is presented by two mechanical gear boxes working in a parallel mode. Work of each such gear box is supervised by separate clutch. Uninterrupted torque transfer is provided, switching of speeds occurs instantly, guaranteeing peak efficiency of work of all transmission.

• EPAS (a steering with the electric booster). The traditional hydraulic pump has been replaced by the electromotor which is directly connected to a drive gear reechnoj steering systems.

• mode DRIVe. This technology allows the driver to lower fuel consumption for the bill « an economic mode » which limits action of some electric or mechanical systems. For example, in this mode air-conditioning system options, control or automatic transmission cruise change.

• the radiator enclosure panel. When there is no necessity for radiator cooling, the panel blocks air stream through a radiator.

• Flat panels in the body heel.

• use of superficial materials in a car body arrangement.

a choice for the driver

« Some of these decisions can be used in the future on various models of cars – these technologies are capable to lower blowout CO2 considerably. For example, if to speak about mode DRIVe, the driver independently makes the decision, disconnecting systems which are responsible for comfort, but fuel consumption thus decreases. The idea consists that each owner of the car can independently choose what work of systems it is necessary to limit » - noted Magnus Jonsson, the senior vice-president of Volvo Cars on research works.