bmwhydrogen7.pdf

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BMW
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11/2006
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BMW Hydrogen 7.
Contents.
1.
Opening up a New Era of Mobility.
BMW Hydrogen 7.
(Short Version) .................................................................................................................................. 4
2.
Description in Brief. ............................................................................................................... 19
3. Principle:
Hydrogen Combustion Engine, Dual-Mode Drive,
Maximum Range. ..................................................................................................................... 21
4. Symbol:
Liquid Hydrogen – New Energy for Ongoing Mobility
in Everyday Motoring. ........................................................................................................... 24
5. Development:
The World’s First Hydrogen-Powered Luxury Car
to Successfully Complete the Process of Series Development. ................. 29
6. Concept:
Progress without Compromises, Dynamic Performance Typical
of BMW, Luxury Saloon Comfort and Premium Level Equipment. .................. 31
7. Power Unit:
Six-Litre Twelve-Cylinder with Direct Gasoline Injection
and Hydrogen Intake Manifold Supply. ...................................................................... 36
8. Energy Storage:
Double-Walled Liquid Hydrogen Tank
with Vacuum Super-Insulation. ....................................................................................... 40
9. Fuel Supply:
Hydrogen Tank Filling Process Suitable for Worldwide
Standardisation. ...................................................................................................................... 43
10.
Body and Suspension:
Based on the BMW 760Li, Intelligent Lightweight
Construction, Optimised Crash Safety, Special Suspension
Set-Up. .......................................................................................................................................... 46
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11.
Safety Concept:
Development of Safety Standards, Testing,
Independent Certification. ................................................................................................ 51
12.
Production:
Integration into Series Production at BMW Plant Dingolfing,
BMW Hydrogen 7 as a Spearhead in Innovation. .................................................. 57
13.
Cooperation:
The World’s First Hydrogen-Powered Luxury Saloon for
Everyday Use, Close Communication of Users and BMW. ............................. 59
14.
Momentum:
BMW Hydrogen 7 as the Incentive for Developing a
Hydrogen Supply Infrastructure. ................................................................................... 61
15.
Clean Energy Partnership:
Part of the Nationwide Strategy of Sustainability, Objective to
Confirm the Everyday Use of Hydrogen. .................................................................... 64
16.
Source of Energy:
Hydrogen as an Infinitely Available Alternative to Fossil
Fuels, Sustained Generation as the Perspective for the Future. ................. 67
17.
BMW CleanEnergy Project:
BMW Hydrogen Experience since the 1980s,
Concentrating on the Combustion Engine,
Fuel Cell as Supplementary Technology. .................................................................. 71
18. Specifications. .......................................................................................................................... 75
19. Output and Torque Diagram. ............................................................................................ 76
BMW
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11/2006
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1. Opening Up a New Era of Mobility.
BMW Hydrogen 7.
(Short Version)
The BMW Group is writing unique history in the world of motoring:
Introducing BMW Hydrogen 7, BMW is presenting the first virtually emission-
free hydrogen-powered luxury saloon in the world suitable for everyday
use, this new model thus setting a milestone in entering a new era of
sustained mobility.
BMW Hydrogen 7 is powered by a hydrogen combustion engine and has
gone through the complete process of series development, at the same time
reflecting the consistent strategy of the BMW Group using hydrogen as the
ideal source of energy for the future suitable for everyday motoring already in
our day and age.
BMW Hydrogen 7 is a revolutionary development within the BMW 7 Series as
a whole: The engine, suspension and body of this new model are based on
the overall vehicle concept carried over from the BMW 760i and BMW 760Li
Saloons. At the same time BMW Hydrogen 7 features a dual-mode
twelve-cylinder combustion power unit able to run on both hydrogen and
conventional gasoline. Maximum output is 191 kW/260 hp, accelerating
BMW’s Hydrogen Saloon to 100 km/h in 9.5 seconds. Top speed of
BMW Hydrogen 7, in turn, is limited electronically to 230 km/h or 143 mph.
Progress without compromises.
The dual-mode combustion engine impressively proves the BMW Group’s
truly supreme engineering skills. Without the slightest delay or change in
driving behaviour, the innovative V12 switches over from hydrogen to gasoline
drive. This is made possible by high-precision control technology regulating
the engine with truly outstanding precision to ensure identical power
and performance in both operating modes despite the different combustion
qualities of the various fuels.
Introducing this trendsetting innovation in engine technology, the BMW Group
offers a practical and attractive solution for switching over to hydrogen as the
drive energy of the future, setting a milestone en route to a world of individual
mobility independent of fossil fuels and free of pollutants.
In terms of power and performance, motoring refinement and all-round
comfort, BMW Hydrogen 7 comes on the same level as the most demanding
automobiles ever built with either a gasoline or diesel engine. Hence,
driving this innovative Hydrogen Saloon with virtually zero emissions offers
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all the unique pleasure so typical of a top-end BMW. And apart from its
future-oriented drive concept, this dynamic premium saloon stands out in
particular through an exceptionally wide range of features and equipment.
Hydrogen – the energy of the future.
Experts agree that hydrogen is the only source of energy with the potential in
the long run to replace fossil fuels in road traffic. With its chemical symbol H,
hydrogen is one of the components that makes up water and nearly all organic
compounds, meaning that it is part of the biological cycle and therefore
fully compatible with the environment. And as the most common element in
the universe, hydrogen is available for all practical purposes in virtually
unlimited quantities.
Hydrogen can be stored either in its cryogenic state as a fluid or in its gaseous
state, and is relatively easy to transport. As a gas hydrogen is non-toxic,
colour- and odourless. In its liquid state, measured by weight, it contains three
times the energy to be found in gasoline.
While the use of fossil fuels inevitably results in carbon dioxide emissions,
hydrogen as an alternative source of drive energy is extremely friendly to
the environment, developing nothing but vapour in its process of combustion.
And recovered in a regenerating process, hydrogen, as opposed to other
alternative fuels, is the only source of energy allowing ongoing, sustainable use
pointing into the future.
Liquid hydrogen for superior everyday driving qualities.
The BMW Group focuses consistently on liquid hydrogen as the appropriate
source of drive energy. This clear preference results from the fact that
liquid hydrogen, in terms of its volume-related energy density, by far exceeds
the energy density of gaseous hydrogen. With a fuel tank taking up the
same space and providing the same capacity, the amount of energy contained
within cryogenic liquid hydrogen exceeds that of hydrogen stored in
compressed gaseous state at 700 bar by more than 75 per cent. Clearly,
this gives a vehicle running on liquid hydrogen a correspondingly longer
cruising range.
A further point to be considered as long as the infrastructure for hydrogen is
still being expanded is the cumulative range a hydrogen car is able to cover –
indeed, this criterion is crucial to the car’s everyday use and driving qualities.
Hence, BMW Hydrogen 7 offers a long cruising range first through the use
of liquid hydrogen as its source of energy and second through the dual-mode
combustion engine: In the hydrogen mode BMW Hydrogen 7 is able
to cover a distance of more than 200 kilometres or 125 miles, with another
500 kilometres or 310 miles in the conventional gasoline mode.
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11/2006
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User friendliness is particularly crucial to the appeal and, accordingly,
acceptance of hydrogen as a new source of drive energy. Indeed,
the criterion of everyday use was highly relevant in developing the concept of
BMW Hydrogen 7: Introducing this first-ever hydrogen-powered luxury
saloon built in series production, the BMW Group is setting a most significant
milestone within the global automotive industry. The car proves that alternative
drive energy may also fulfil the greatest demands in terms of driving dynamics
and motoring comfort alike.
All the maturity and reliability of a production car.
The world’s first hydrogen-powered luxury saloon to enter series
production is not the result of a research project. Rather, the development of
BMW Hydrogen 7 marks the beginning of the industrialisation process,
meaning that BMW Hydrogen 7 now comes with the same standards and
levels of perfection as any other new BMW entering the market.
BMW Hydrogen 7 has gone through exactly the same all-round series
development process as every new model from BMW. New components
such as engine technology, the tank system and vehicle electronics for
hydrogen drive have all been developed in and through BMW’s usual Product
Creation Process, each and every component therefore having been
examined and verified with utmost precision, ensuring that it meets all the
requirements of series development.
Given this concept, BMW Hydrogen 7 is able to combine truly innovative,
future-oriented drive technology with the high quality standards of the
BMW Group in terms of reliability, safety, and motoring pleasure established
throughout decades of automobile and engine development. So through
its mature vehicle concept alone, BMW Hydrogen 7 goes far beyond the
status of previous hydrogen prototypes and demonstration models, qualifying
for full homologation and type approval according to both German and
ECE standards. In the United States of America, the BMW Hydrogen 7 will be
deployed to selected users for testing.
Comfort of premium calibre.
The premium quality of BMW Hydrogen 7 is further confirmed and borne
out by an exceptional standard of comfort. This superiority is ensured
by doors with automatic Soft Close function, laminated climate comfort glass,
BMW’s high-end automatic air conditioning, electric seat adjustment
complete with memory function, auxiliary heating including remote control,
BMW’s high-beam assistant, a TV function with DVB-T reception and
a monitor at the rear, the BMW Assist and BMW Online telematics services,
a separate car telephone at the rear, full preparation for BMW Teleservice,
a CD changer for six CDs, a DVD changer for six DVDs, a smoker package as
well as cupholders both front and rear.
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