Detroit 2008: Saturn Vue 2-mode hybrid

1 May 2015 | Author: | Comments Off on Detroit 2008: Saturn Vue 2-mode hybrid

Detroit 2008: Saturn Vue hybrid

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Click the Vue for a high-res gallery

Saturn the first General Motors hybrid vehicle when the Vue Green Line appeared in The Vue was equipped with GM belt-alternator-starter mild-hybrid system. The BAS system has been added to the Aura and sedans in addition to the redesigned Vue. The functionality of the BAS system is providing start-stop functionality, regenerative braking and some boost from the motor.

It however, run the vehicle solely on

For the 2008 Detroit Auto Saturn is introducing what be the second of three hybrid of the Vue. This one uses the hybrid technology that was in 2007 on the Chevy Tahoe and GMC Unlike the big GMT900 SUVs, the Vue has a mounted engine and front drive. That required a new transaxle that incorporates the technology as the big trucks.

Read on the jump to learn more.

General Motors]

Because of the space in smaller vehicles, transmission had to be repackaged to get all the hardware to Like the rear wheel Two-Mode transmission, the new transverse version also features two motors. This version smaller 55kW motors to the 60kW units on the big trucks. The are still liquid cooled and trade electrons back and with a 1.8kWh nickel hydride battery pack.

The pack in the Vue is mounted under the floor behind the rear Unlike the air-cooled pack in the Tahoe/Yukon, the Vue pack is liquid

Like the big truck hybrids, GM this Two-Mode system the largest engine available in the version. That means the Vue uses the 3.6L high-feature

The hybrid version is equipped variable valve timing and fuel injection. The direct injection allows the engine to use a compression ratio of 11.3:1 less risk of pre-ignition. The also a knock control specific to each cylinder allows spark timing to be

The functionality of the Two-Mode system is the same the rear wheel system. There are two hybrid for lower and higher speeds use two variable ratio ranges. At speeds, the Two-Mode transmission has a clutch that can lock in any of fixed gear ratios.

mode mechanically bypasses the motors for greater efficiency at speeds.

To maximize the fuel and allow for more electric time, the Two-Mode Vue has an electro-hydraulic system that blends and friction braking. ( Disclaimer. I worked for the company that the brake system for the Two-Mode Vue and I develop the brake control Since, unlike the mild the Two-Mode is capable of running in drive mode, a brake system that doesn’t on engine vacuum is needed.

The brake system used in the Vue the Tahoe) provides integrated brake boost so that a pump isn’t needed as it is on other hybrids. This simplifies packaging and reduce

Regenerative braking can come in at any and any combination from 100 percent to 100 percent friction braking is The percentage of regen depends on the of deceleration requested by the driver’s application and the state of charge of the Under most normal situations, the majority of which are than 0.3g of decel all the braking will come regen.

Deceleration beyond .35g, or when the battery is charged will add in friction The regen limit is in part due to the at which the battery can absorb In addition to regen blending, the system also provides anti-lock braking, traction and electronic stability control.

Other mechanical changes to the Vue include re-calibrated spring anti-roll bars and damping to compensate for the changes in weight the hybrid transmission and battery. The new also gets an electric steering system. On the inside, the Vue varies from other with an efficiency gauge the tachometer.

If the optional navigation is included, a power flow is available on the center stack

The bottom line is that the hybrid system allows the Vue to all the performance of the standard V-6 Vue including the towing capacity and 7.3 second time. At the same time the economy gets a 50 percent in urban driving and 30 percent The Two-Mode Vue goes into late in 2008.


GM’s Advanced Hybrid Delivers Up To 50-Percent Fuel Increase

With No Compromises in Capability

First brand to two hybrid options on the same

Third hybrid in Saturn’s

Advanced Technology Partial Emissions Vehicle (ATPZEV)

The all-new 2009 Saturn Vue Line 2 Mode, the first compact SUV in the world powered by Motors’ two-mode hybrid is designed for customers who want the fuel savings of an advanced and the full power and towing of an SUV. The Vue Green Line 2 was unveiled today at the North International Auto Show.

The Vue Line 2 Mode will an estimated 50-percent fuel increase over the non-hybrid V-6 It also is expected to have a range of more than 500 (800 km).

In addition, the Vue Green Line 2 3.6L VVT V-6 engine with injection technology ensures are no trade-offs between performance and economy. Acceleration time 0-60 is expected to be around 7.3 and the maximum towing load be 3,500 pounds (1588

Production is slated to begin in 2008.

The Saturn Vue Green 2 Mode challenges the notion a compact SUV can’t be both and efficient, said Jill Saturn general manager. tell us they want a SUV that will respect the and save money at the gas pump, but don’t want to give up and utility. We’ve responded the Vue Green Line 2 Mode.

The Saturn Vue Green Line 2 sports the same European-inspired language of the non-hybrid Vue, redesigned for the 2008 model Subtle exterior changes 2 Mode badging on the front and rear liftgate; and lightweight alloy wheels and low-rolling tires that enhance economy. The Vue Green Line 2 appearance is further accented by door handles, chrome exhaust tips and chrome plates on the front and rear fascia.

The Vue Green Line 2 features technologies and refinements in the and exhaust systems that it as a Partial Zero Emissions (PZEV) in the state of California and states that have California’s motor vehicle rules. When it arrives in showrooms in the fourth quarter of the Vue Green Line 2 Mode be Saturn’s third hybrid, the Vue Green Line 4-cylinder SUV and the Aura Green Line

The Vue Green Line 2 Mode is first application of two-mode on a front-wheel-drive vehicle. The system is on the V-8-equipped Chevrolet Tahoe 2 and GMC Yukon 2 Mode full-size and becomes available in 2008 on the Escalade 2 Mode luxury SUV and Silverado 2 Mode full-size

How the Vue Green Line 2 Mode works

GM’s two-mode system in the Vue Green Line 2 improves fuel economy by the operations:

Engine off at idle

electric-only propulsion

Cutting off to the engine during vehicle

Regenerative braking

Energy-efficient systems

Unlike single-mode technology found in competitors’ the two-mode system maximizes and highway fuel economy by two electric continuously variable with four fixed gear ratios. The system of twin, active-cooled 55-kW motors integrated into the automatic transmission. Energy to the motors comes from a 1.8 300V nickel-metal hydride pack, which consists of 22 metal hydride modules and is behind the second-row seat the cargo floor.

The transmission is to GM’s 3.6L V-6 VVT with injection technology. In the first at low speed and light load, the Vue Line 2 Mode operates in one of ways depending on conditions and charge level: all-electric internal combustion engine or a combination of the two. All reverse is driven by the electric motors.

The mode is used primarily at speeds to optimize fuel It provides electric assist in to six-cylinder power when demand it, such as trailer and climbing steep grades, and to the engine to run at its most efficient under less-demanding conditions.

No speed changes are necessary for the shift to occur. The result is smooth, seamless acceleration and At all times, the system’s Hybrid System (HOS) collects data, deciphers it, then the most fuel-efficient means of the Vue Green Line 2 Mode.

Direct injection V-6 boosts

The Vue Green Line 2 Mode’s engine is an advanced 3.6L V-6 VVT direct injection, a member of family of high-feature V-6s. The injection engine uses unleaded fuel and represents one of the sophisticated applications of its kind on a SUV.

Direct injection fuel directly to the combustion and permits a higher compression improving fuel efficiency. the technology reduces cold-start emissions by up to 25 percent.

The 3.6L VVT direct injection also a U.S. auto industry-first fuel injector that reduces the ticking noise with other direct engines. Other noise-reduction include the use of acoustic foam in the valley and cover.

Specially chassis for a smooth ride

the hybrid system changes the distribution on the Vue Green Line 2 special chassis refinements as revised front and rear rates; revised front and stabilizer bar rates and recalibrated struts and rear shock help ensure a smooth experience.

The Vue Green Line 2 is equipped with a fully electro-hydraulic brake system enables 100-percent regenerative (batteries are charged during 100-percent friction braking four-wheel disc braking) or a of the two. During regenerative the system converts kinetic to electrical power, then the power in the Energy Storage

A 12V rack-mounted Electric Power system replaces a conventional hydraulic system and saves gaining up to a half-mile per gallon of It also gives the Vue Green 2 Mode more precise inputs and better overall feel.

Intuitive displays drivers in the know

The Saturn Vue Green Line 2 instrument panel lets know that they’re the wheel of a sophisticated hybrid, yet gauges that are easy to An efficiency gauge replaces the informing drivers of when are achieving maximum fuel whether the vehicle is in electric-only engine-only mode or a combination of the and, because of the silent as the key is turned, a telltale indicates the vehicle is on and ready to drive.

In the console, a full-color VGA power-flow which is integrated into an navigation system, continuously the driver and passenger whether the is sending power to the wheels the battery pack, engine or It also indicates when is being captured during

Vue Green Line 2 Mode is equipped

In addition to its high-tech system, the Saturn Vue Green 2 Mode boasts a number of safety features including anti-lock brakes, electronic control, rollover detection pedestrian impact protection, pressure monitoring system, Release System, front head restraints, and six air bags and front passenger frontal and side-impact, and roof rail for both seating rows).

features include power-adjustable outside mirrors, leather-wrapped wheel with integrated and cruise controls; and a six-speaker stereo with CD/MP3 and auxiliary input jack. A system and power sunroof are

Saturn’s hybrid family is

The Vue Green Line 2 Mode is the hybrid to join the Saturn Other members of the Green family include the Vue (4-cylinder) Line and the Aura Green sedan. They are equipped the affordable GM Hybrid system, reduces fuel consumption sophisticated controls and a unique motor/generator mated to a 2.4L VVT four-cylinder engine and Hydra-Matic transmission.

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