Showing posts with label Hybrid. Show all posts
Showing posts with label Hybrid. Show all posts

Tuesday, April 27, 2010

Mercedes-Benz S400 BlueHYBRID

Mercedes-Benz S400 BlueHYBRID

The combination of a modified V6 petrol engine and a compact hybrid module makes the Mercedes-Benz S400 BlueHYBRID the world's most economical luxury saloon with a spark-ignition engine. The NEDC combined fuel consumption is a mere 7.9 litres per 100 kilometres. This makes for the world's lowest CO2 emissions in this vehicle and performance class - just 190 grams per kilometre. These exemplary figures go hand in hand with assured performance. The 3.5-litre petrol engine develops an output of 205 kW/279 hp, the electric motor generates 15 kW/20 hp and a starting torque of 160 Nm. The result is a combined output of 220 kW/299 hp and a combined maximum torque of 385 newton metres. Moreover, the new Mercedes-Benz S400 BlueHYBRID is the first series-production model to be equipped with a particularly efficient lithium-ion battery specially developed for automotive use. This is another major contribution by Mercedes-Benz to the electrification of the car.
The new Mercedes-Benz S400 BlueHYBRID is based on the S350, and features an extensively modified drive train. This encompasses a further development of the 3.5-litre V6 petrol engine, an additional magneto-electric motor, the 7G-TRONIC seven-speed automatic transmission specially configured for the hybrid module, the necessary operating and control electronics, the transformer and a high-voltage lithium-ion battery.
The compact hybrid module is a disc-shaped electric motor that also acts as a starter and generator. The system offers a double benefit, as it both helps to save fuel and increases driving enjoyment. This is partly due to the booster effect of the electric motor, as it powerfully backs up the petrol engine with a maximum additional torque of 160 newton metres during the high-consumption acceleration phase. The driver benefits from the combined action of these two units in the form of even more impressive torque characteristics and smooth, effortlessly superior acceleration.
The hybrid module also has a comfortable start/stop function, which switches the engine off when the vehicle is at a standstill - for example at traffic lights. When it's time to move off again, the electric motor almost imperceptibly restarts the main power unit. This likewise makes a contribution to fuel economy and environmental protection: because the engine restarts first time, and practically instantly, emissions are also minimised during the starting phase.
When the vehicle is braked the electric motor acts as a generator, and is able to recover braking energy by a process known as recuperation. Working in finely tuned partnership, the electric motor supplements the braking effect of the petrol engine and the wheel brakes to deliver a smoothly progressive braking action. The recuperated energy is stored in a compact yet highly efficient lithium-ion battery in the engine compartment, and made available when required. This complex system is managed by a high-performance control unit, which is likewise located in the engine compartment.
Mercedes-Benz S400 BlueHYBRID

The centrepiece of the modular, very compact and highly efficient hybrid drive system is the new high-voltage lithium-ion battery, which was specially developed for automotive use and is the first such unit worldwide to be introduced in a series-production vehicle. In this way Mercedes-Benz is making a trailblazing contribution to the electrification of the car, with the Mercedes-Benz S-Class once again playing the role of the technological trendsetter.
Major advantages over conventional nickel/metal hydride batteries include a higher energy density and better electrical efficiency, together with more compact dimensions and a lower weight. Thanks to space-saving installation in the engine compartment, where it replaces the conventional starter battery, the generous interior space and boot capacity of the S400 remain unchanged. The lithium-ion battery not only stores energy for the electric motor, but is also connected to the 12-Volt onboard network via the transformer to supply power to other standard consumers such as the headlamps and comfort features. The completely newly designed battery system consists of the cell block with its lithium-ion cells and the cell monitoring system, the battery management function, the high-strength housing, the cooling gel, the cooling plate, the coolant feed and the high-voltage connector.
The 3.5-litre V6 petrol engine with variable valve control has been throughly re-engineered and improved. In the process the development engineers made use of the advantages offered by the Atkinson principle,where the expansion phase is longer than the compression phase. The intake valve is kept open slightly longer between the intake and compression phases, which improves the engine's thermal efficiency while reducing the specific fuel consumption and untreated emissions. A new cylinder head, different pistons and a modified camshaft with different camshaft control increase the output by 5 kW/7 hp to 205 kW/279 hp - while reducing fuel consumption at the same time.
The compact, disc-shaped electric motor, which is space-savingly installed in the torque converter housing between the engine and the 7G-TRONIC seven-speed automatic transmission, improves efficiency even further. This is a 3-phase AC external rotor magneto motor, which develops a peak output of 15 kW/20 hp and a starting torque of 160 newton metres with an operating voltage of 120 Volts.
The Mercedes-Benz S400 BlueHYBRID accelerates from zero to 100 km/h in 7.2 seconds, and reaches an electronically governed top speed of 250 km/h. The Mercedes-Benz S400 BlueHYBRID betters the already very favourable NEDC fuel consumption of the conventionally powered S350 by up to 2.2 litres per 100 kilometres. CO2 emissions are reduced by 21 percent.
In addition the hybrid module features an extremely comfortable and efficient start/stop function, which already switches the engine off when the vehicle is rolling to a stop at less than 15 km/h, for example before stopping at traffic lights. When it's time to move off again, the electric motor immediately and imperceptibly restarts the main engine as soon as the driver releases the brake pedal or operates the accelerator. This likewise contributes to fuel economy and environmental conservation: as the engine restarts practically instantly, emissions are also minimised during the starting phase. The vibrations and jolts that are unavoidable when starting with a conventional starter are also reduced to a minimum.
The new S400 BlueHYBRID exemplifies the strategy of Mercedes-Benz, whose declared aim is to offer the brand's customers economical and environmentally compatible premium cars - without compromising in terms of typical brand attributes such as safety, comfort and a superior driving experience.
Major areas of development focus include modular drive technologies, which are used on a stand-alone basis or in combination depending on the vehicle class, operating profile and customer requirements - Mercedes-Benz has already described how this applies to the product portfolio in its "Road to the Future". In this context Mercedes-Benz also provides an outlook on the future of the internal combustion engine, with the innovative DIESOTTO engine in the Mercedes-Benz F700 research car.

Friday, December 25, 2009

Concept Cars Nobody Covered at the Paris Motor Show

It's no newsflash that Russians have money these days, but what remains to be seen is whether rich Ruskies would be willing to spend their flash cash on cars built by the home team, Lada. But the home team may be ready to find out. Behold the Lada Revolution 3, a Russian supercar. Mid-engine, six-speed, rear-drive, low-slung, adjustable wing in back, this thing apparently has it all. Under the rear glass, under a cover that suggests it might be concealing a V-8, beats the heart of a Renault F4R774 2.0-liter four cylinder, making 245 hp, which is supposedly enough to hustle this thing to 62 mph in just 5.9 seconds en route to a top speed of 155 mph. Pagani has nothing to worry about. Yet. If you think Russian concepts are weird, try this Hungarian one from the Andros Group. Called iSolo, it's an ultra-light (770-pound), aero-slick (0.22 Cd) three seat electric car that can run on solar energy gathered from the roof panels, plug-in power, or pedal power. That's right, each seat has two pedals that can be pumped to generate electricity. Top speed is said to be 80 mph. A multi-fuel range-extending combustion engine is in the works for a future show. The name of this one almost says it all: Assystem City Car. w's this for a wacky hybrid. Four wheels arrayed in a diamond pattern. The front and rear wheels can turn fully 90 degrees in either direction, allowing the car to pivot about its center, or to drive into a parallel parking space and then pivot into position. Here's where it really gets weird. The front wheel is electrically driven, with the motor and four batteries all mounted on a turntable that includes a control arm and spring/damper for the wheel (the drivetrain is not unsprung, thankfully. The rear wheel is powered by a Honda scooter's 600cc motor, which again is mounted along with a small gas tank, on a turntable. Assystem is an engineering company, working with Franco Sbarro design, that is looking for a licensee to build the bizarre City Car. We wish them luck. Lumeneo Smera. Billed as a 1+1 tandem, this four-wheeled enclosed motorcycle of sorts is powered by electricity, using a 30kW motor and a 10 kW-hour battery good for 150 km (93-mile) range. It rides on four 145/70R-14 tires and can lean 25 degrees in the turns. I wouldn't hold my breath for production ever reaching U.S. shores.

Sunday, December 13, 2009

Suzuki Crosscage Hybrid Motorcycle Concept

(For full text with comments please click on the title)

suzuki  crosscage, motorcycle
Suzuki Crosscage Motorcycle


Suzuki crosscage, concept motorcycle
Suzuki Crosscage Concept Motorcycle


suzuki, crosscage
Suzuki Crosscage Photo


Suzuki crosscage, hybrid motorycle
Suzuki Crosscage Hybrid Motorcycle


suzuki crosscage, concept hybrid
Suzuki Crosscage Hybrid Concept


suzuki crosscage, monoshock
Suzuki Crosscage Monoshock

Wednesday, November 11, 2009

2010 Mercedes GL 350 BlueTEC SUV Preview


Highlights of the 2010 model year facelift includes the addition of more fuel-efficient engines and slightly revised styling.

Mercedes Benz has some big plans for next week’s New York Auto Show, with no less than three world debuts planned, as well as the as the U.S. debuts of the 2010 model year E-Class Sedan and Coupe.

The three world debuts include the unveiling of the all-new E63 AMG performance saloon, the production version of 2007’s ML450 Hybrid concept and the 2010 model year facelift for the GL-Class SUV.


On display will be the renamed GL350 BlueTEC diesel and GL450 petrol model, both of which will feature a restyled grille, new bumpers, wheels and new lights with LED accents.

The GL350 BlueTEC replaces the current GL350 CDI BlueEFFICIENCY and is claimed to offer 20-30% better fuel economy than the comparable petrol model.

The seven-seat SUV also boasts an impressive cruising range – up to 600 miles at highway speeds.

The interior should also receive a number of trim and specification updates, including the addition of Mercedes’ Elegance and Avantgarde trim levels.

Saturday, March 28, 2009

2010 Chevrolet Volt Price Depend on Gas Price

Volt price will depend on gas price, GM says.

Although the conference call was supposed to be all about the progress on designing batteries for the Chevrolet Volt, the issue of the car's price loomed large in observer's minds.

With a potential asking price that's risen from an estimated $30,000 (U.S.) to a loftier $40,000 for the compact four-seater, Bob Kruse, executive director of the program, gave no specifics on its estimated MSRP, but said the price will depend in part on the cost of gas.

"We're not wishing for higher petroleum costs, but the economic viability of what we're doing only gets greater with higher fuel prices," he said. The plan to launch the car in November, 2010, is on schedule. "$1.50 gallon gas is not helping our business case."

The average price of regular gas in the United States was actually $1.96 a gallon earlier this week, according to American government figures.


GM is not sure what the price of the Volt will be, Kruse said, nor has the company established whether it will lease the battery separately from the vehicle itself, as Nissan plans to do with its all-electric vehicle, which is to go on limited sale next year.

"Part of the price will be dependent on fuel costs at the time, which will impact the value equation the Volt provides."

The focus of the update was on the progress of the lithium-ion battery design — as GM has said, once the battery is ready, the Volt will be ready.

It is the advanced battery technology that allows the Volt to promise up to 64 km (40 miles) of electric-only driving; the small internal combustion engine works only to recharge the batteries, instead of stranding the driver, as would have occurred with GM's ill-fated EV1 all-electric vehicle at the end of its range.









"As we've seen with computers, the technology has progressed to the point where they have morphed from large desktop models, down to the size of your Blackberry," said Denise Gray, director of battery systems engineering, while confirming that design work on generations two and three of the Voltec system is happening alongside the production Volt.

"We're looking for the same types of advancements (and cost reductions) in our electronics."

In a Q&A session afterwards with various media, one astute questioner asked at what temperature those promised 64 kilometres of electric-only driving were verified. Turns out, it was the figure achieved in the normal city cycle testing, said Kruse, which is done at 20 degrees Celsius.

So if your winter commute involves regular sub-zero starts and highway driving, the question isn't whether its electric range will decrease, but by how much?















GM was obviously very sensitive about the fact that the battery cells for the first-generation Volt will come from South Korea, courtesy of LG Chem, especially when it is receiving extra money from both state and federal U.S. governments to produce environmentally advanced vehicles in and around Detroit, on top of the federal bailout money it has and will receive to keep it afloat.

The first batch of pre-production prototypes will be produced later this summer, about 80 of them, soon after the world's largest auto battery facility will open near Detroit, said GM.

Overhyped Nano on sale in India

In yet another media-frenzy-generating launch event, Tata Motor officials confirmed that orders will begin being taken in April in India for the Nano, whose super-low starting price of around $2,900 has media outlets around the world breathlessly reporting on the debut of the "world's cheapest car."

Except it's not the world's cheapest car, it's the world's cheapest new car.

Option it up with various luxuries like a right-side rear view mirror, heating and air conditioning, and a cup holder, and that price moves to 172,360 Indian rupees, according to figures available at tatanano.com, or the equivalent of $4,152.

Still, offering any new vehicle at such a low price is a remarkable achievement, even if the lack of airbags and emissions controls would not allow the Nano as is to be sold in most developed markets, and certainly not in regulation-heavy North America.










"The Nano represents the spirit of breaking conventional barriers," said Tata Motors chairman Ratan Tata. "It will provide safe, affordable, four-wheel transportation to families who till now have not been able to own a car." Or at least a new car.

The Nano offers a 35-hp. two-cylinder engine, coupled to a four-speed manual transmission, with a top speed of 105 km/h, for a published estimate of 33 seconds for the small four-seat hatchback to reach 100 km/h.

Plans are in the works to sell an upgraded version of this car to parts of Europe by 2011, the company said; it would a larger 90-hp, three-cylinder engine, available five-speed automatic, dual airbags, ABS and stability control, with a target starting price still under $5,000 (U.S.).

"Driven mainly by the change in demand that we see elsewhere in the world, we suddenly felt we had a product that could be of considerable interest as a low-cost product in western Europe, eastern Europe, the U.K. and even the U.S.," Tata told Reuters at this week's event.










Women's Car of the Year award launched

Female automotive journalists are a relative rarity in this business, but a group of 10 women auto writers from around the world will launch the first Women's Car of the Year award.

The initial group includes two journalists from Canada, as well as India, South Africa, the U.K., Australia and Europe.

"Most awards are chosen by a huge majority of men who tend to view cars differently to women," said Sandy Myhre, the New Zealand-based journalist who initiated the award.

"This award reflects changing times when you consider that today women make the final decision in as much as 85 per cent of all cars sold," according to Myhre.

After noticing that the 2007 World Car of the Year award's 43-member jury of international auto journalists did not contain one woman, Myhre helped organize a Women's COTY program in New Zealand last year, an award which went to the Volkswagen Passat BlueMotion (diesel) wagon.

"Newton-metres [or lb-ft] of torque weren't even considered, but we did look at drivability and sexiness," for those awards, as well as its carbon footprint, family friendliness, value, and, "of course," the range of colours, said Myhre.
Infiniti M to become brand's first hybrid

Playing some serious catch-up to arch-rival Lexus, Infiniti plans to start selling its own hybrid designs in North America next year, starting with its mid-size M sedans, Japan's Nikkei business daily reports.


While the Altima now offers a hybrid option, the hybrid uses leased Toyota hybrid technology, while Nissan, Japan's third-largest auto maker, struggles to come out with its own hybrid designs to rival those of Toyota and Honda.



Other luxury players are starting to jump into the hybrid market as well, with BMW and Mercedes-Benz both planning hybrid SUVs for North America and Europe this year, as well as the Mercedes-Benz S400 BlueHybrid that will compete with Lexus' top-line LS600hl.