2009 Cadillac Converj Concept

    2009 Cadillac Converj Concept PictureConverj: the "Cadillac" FOR ELECTRIC VEHICLES

    luxury coupe concept continues GM's leadership in the electrification of the automobile

    DETROIT - General Motors unveiled a more potential of electric propulsion today, this time in the form of luxury transportation with the Concept Cadillac Converj. Cadillac Converj was developed as a grand touring coupe well appointed with bold design and a host of interactive technologies.

    The concept of four passengers Converj is intended to show how GM's revolutionary electric propulsion - Voltec called - can supply a luxury coupe with a typical Cadillac "no compromise" design. The technology allows up to 40 miles of electrical conduit and gas emissions-free with extended-range capability of hundreds of miles.

    2009 Cadillac Converj Concept SideBob Lutz, GM’s vice chairman of Global Product Development, said the Converj concept has production substance. “It’s a logical extension of our plan to reinvent the automobile,” he said. “It clearly shows what a Cadillac electric vehicle could look like, and clearly indicates that global luxury customers can have a car that has both strong design and electric propulsion with a total range of hundreds of anxiety-free miles.”

    Cadillac’s extended-range electric vehicle (E-REV) concept has a new body style that is an evolution of the brand’s traditional Art and Science design theme. An aggressive, forward-leaning arc profile is the foundation for the sporting stance. And more than a Cadillac in form, Converj is also intended to be a Cadillac in substance, with the premium materials, technology and driving dynamics that are hallmarks of the brand.

    2009 Cadillac Converj Concept Back SideVoltec – innovative propulsion technology
    The Cadillac Converj’s Voltec electric propulsion system is made up of a 16-kWh, T-shaped battery, an electric drive unit, and a four-cylinder engine-generator. It uses electricity as its primary source to drive the car.

    2009 Cadillac Converj Concept ViewA thermally managed battery pack contains more than 220 lithium-ion cells that provide the primary power to drive the Converj electrically up to 40 miles without using fuel or producing tailpipe emissions. The battery is integrated into the Converj’s chassis and stores electricity from the grid when the vehicle is plugged in. It takes less than three hours to recharge the battery at 240V, or about eight hours from a 120V outlet.

    When the battery’s energy is low, the Converj seamlessly switches to extended-range mode. During this secondary level of operation, electricity needed to power the vehicle is created on-board by a flex-fuel-powered engine that operates much like a home generator to create electricity. The engine-generator ensures a constant supply of power for hundreds of miles until the car is refueled or plugged in to recharge the battery. This extended-range mode eliminates the range anxiety that comes with driving pure electric vehicles that offer no backup power when the battery charge is low.

    2009 Cadillac Converj Concept PhotoWhether in electric or extended-range mode, the Converj is propelled all the time by an electric drive unit. It converts electrical energy from the battery or the engine-generator into mechanical energy to drive the front wheels. It also delivers 273 lb.-ft. (370 Nm) of instant torque, for a quick launch, and 120 kW of power. The top speed is 100 mph.

    There is no compromise in vehicle performance in either mode of operation. To enhance the ride feel, the Converj also features GM’s Magnetic Ride Control; and for even greater efficiency, energy during braking is captured and stored in the battery.

    Pure Cadillac design
    There’s no mistaking the Converj for anything but a Cadillac, according to Lutz. “An aggressive, forward-leaning profile hints at a new, progressive theme and proportion in Cadillac’s design evolution,” he says. “The new proportion showcases a uniquely shaped, modern vision of a personal luxury 2+2.”

    The overall shape is reinforced by a prominent, sweeping body line with large, 21-inch (front) and 22-inch (rear) wheels pushed to the edges of the body. The Converj exterior is painted a dark silver tri-coat that GM designers dubbed “Reaction.”

    2009 Cadillac Converj Concept Show CarAn all-glass roof incorporates solar panels that help offset power drain from the vehicle’s accessories. Additionally, several aerodynamic and design efficiencies were incorporated to enhance the driving range, including:
    A full under-vehicle cover (belly pan)
    Minimal grille openings that reduce drag at the front of the vehicle
    Low-profile rearview cameras replace conventional outside mirrors to reduce drag
    Wheels are shaped to push air outward for smoother body side airflow

    The Converj also incorporates vertical headlamp and taillamp elements, with light pipe technology.

    “Vertical lamps are Cadillac signatures and the Converj builds on the brand’s light pipe technology with bolder light emitting diode (LED) and high-intensity discharge elements front and rear,” said Clay Dean, global design director for Cadillac. “There is also a unique daylight light ’spear’ at the top of the headlamps.”

    2009 Cadillac Converj Concept InteriorLuxury meets technology inside
    The Converj’s interior has advanced features and luxurious appointments blending efficiency and environmental consciousness. The 2+2 configuration is trimmed in contrasting Winter White synthetic suede – including the top of the instrument panel – and Midnight Black leather, with polished aluminum and wood grain accents. Renewable materials are used throughout such as wool-blend carpeting, a headliner made from silk, suede made from post-industrial content and more.

    A technologically advanced driver center increases efficiency and reduces the draw on the battery. Features include:
    New, organic light-emitting diode technology used on reconfigurable instrument cluster
    Touch-screen navigation, climate, center-stack controls and audio systems
    Adjustable, overhead white ambient lighting
    Unique “power on” sequence featuring blue-lit console graphics
    Screen displays for features including regenerative braking, battery charge level and power output
    No inside rearview or outside mirrors; cameras provide surrounding images on a screen placed high on the instrument panel for a full, panoramic view
    Push-button ignition and power-folding front seats

    General Motors Corp. (NYSE: GM), the world’s largest automaker, has been the annual global industry sales leader for 77 years. Founded in 1908, GM today employs about 252,000 people around the world. With global headquarters in Detroit, GM manufactures its cars and trucks in 34 countries. In 2007, nearly 9.37 million GM cars and trucks were sold globally under the following brands: Buick, Cadillac, Chevrolet, GMC, GM Daewoo, Holden, HUMMER, Opel, Pontiac, Saab, Saturn, Vauxhall and Wuling. GM’s OnStar subsidiary is the industry leader in vehicle safety, security and information services.

    SPECIFICATIONS
    General
    Vehicle type:
    2-door, front-wheel-drive 2+2 coupe
    Category:
    extended-range electric vehicle
    Chassis:
    independent McPherson struts, front magnetic ride, compound crank twist axle rear, four-wheel disc brakes, full regenerative brakes to maximize energy capture, electric power-assist steering
    Seating capacity:
    four

    Performance
    Top speed (mph / km/h):
    100 / 161
    EV range, city and highway (miles):
    Up to 40, based on EPA cycle

    Dimensions
    Wheelbase (in / mm):
    108 / 2742
    Length (in / mm):
    182 / 4620
    Width (in / mm):
    74 / 1883
    Height (in / mm):
    55 / 1386

    Battery system
    Type:
    lithium-ion (w/ liquid-controlled thermal management system)
    Energy (kWh):
    16
    Charge time:
    Less than 3 hours at 240V/8 hours at 120V

    Electric drive unit
    Power (kW):
    120
    Torque (lb-ft / Nm):
    273 / 370

    Exterior
    Tire size:
    specially developed low rolling resistance tires on 21- and 22-inch forged aluminum wheels


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2009 Cadillac Converj Concept


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