Volvo 7900 Hybrid Exterior and Door System

hybrid1 258x300 Volvo 7900 Hybrid Exterior and Door System
Air tanks standard Volvo 7900 Hybrid
- Primary…………..1x25dm3 + 2×30 dm3 (l)
- Front circuit…………………………..30 dm3 (l)
- Rear circuit……………………………30 dm3 (l)
- Park circuit…………………………….15 dm3 (l)
- Purge tank……………………………….6 dm3 (l)
Compressed air system can easily be fi lled from external circuit. Handbrake
Air operated spring brake acting directly on the drive axle wheels. Application is infi nitely variable by means of a control on the fascia.
Glazing Volvo 7900 Hybrid  
Glued one-piece panoramic wind screen, clear or green tinted, side windows with single or double glazing tinted, rear window with single glazing tinted only. All other glazing, bronze tinted aprt from drivers window which is clear only. Driver’s side double glazed window manually operated; without electric heating or single glazing with heating. Available 4 or all hopper windows (in total 8 for 2+2+2 or 9 for 2+2+0 door layout).
Exterior Volvo 7900 Hybrid 
Front and rear walls made from fi bre glass and ABS elements. External side panelling are made of a single sheet of aluminium under the window line combined with glass fi bre plates and is fi nished of with a aluminum lower skirt for the sides. Hatches are made of the same glass fibre panelling. Wheel arches of DCPD. Roof made of 1 mm thick single-piece aluminium sheet, glued to the roof frame. Mekra or Wilke external mirrors. Electrically adjusted, heated or not. 3-piece bumpers. Top hinged service compartment hatches with snap or cylinder locks. Mounted outside wide angle mirror on the RHS, fl agholder. Available: school bus equipment, warning signalization when front hatch open, head lamp cleaner, exit light above door2, high rear direction indicator. 1 or 2 roof hatches, electrically or manually operated; with emergency exit mechanisms.
Doors and Door System Volvo 7900 Hybrid 
ISAF double doors inward gliding on all positions pneumatically powered with single bronze tinted glazing. Door operation available in a range of combinations. Control via button/joystick or both with various safety function combinations for door operation available. Can be fi tted with 8 mm square male or key cylinder locks for door1 locked from inside or outside. Door confi gurations ………2+2+2; 2+2+0
Door buttons for driver right hand operated. External emergency valves at all doors. Mechanical or electrical access ramp at second door.

Ventilation and Heating and AC Systems

Water heating system with 2-pipe convectors and blower heating for driver’s
area, door1, pram area and door2 if fitted. Roof air conditioning units with heating + cooling. Driver’s cabin has convector or blower heating and can have own AC system. Door1 entrance can be heated by electrical mats in floor, preventing icing. A Multiplex 3-knob control panel enables automatic setting of the climate parameters in the bus. External temp. meter installed and optional interior temp. meter. Convector heating :
Blower heating for driver’s area, door1, pram area and door2:
data per blower
Output ………………………………………..2.8 kW
Air fl ow …………………………………..156 m3/h
Weight ………………………………………….2.7 kg
Total power output from convektors and blowers………..2.1 to 3.4kW depending on spec
Additional heater heats the passenger
compartment, defrosts the windscreen and
preheats the engine. Available 7-day timer
for programming the heater.

Additional heater capacity……………30 kW
Fuel consumption ………………………4,0kg/h
Additional heater fuel tank………………….40l
Air flow, min/max ….446 m3/h / 731 m3/h
Heat output, min/max ………..7 kW/15 kW
Air Conditioning system for cooling and heating the passengers compartment:
Spheros Citysphere AC units (2 pcs,equivalent with conventional 24kW system).Semi-hermetic compressor, gearless drive by electric motor (engine rev independent). Constant maximal refrigerating capacity, air distribution direct into passenger’s compartment through outblow duct.
Roof mounted driver’s AC unit …..3,5 kW
Vehicle Structure
The body is based on the patented Volvo Bus concept, where an aluminium alloy providing superior corrosion resistance is used. The structure is made of extruded aluminium profile. Chassis floor structure built-up by steel RHS-profi les, welded together with open c-profile cross-members. The combined aluminium and steel frame combines good stability with low weight and gives long service life and increased loading capabilities. Rigidity provides good stability and driving.

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VOLVO G9B 300 Euro 5 Volvo Buses. when productivity counts

Volvobusesintercitycitybusesdownloads 300x120 VOLVO G9B 300 Euro 5 Volvo Buses. when productivity countsBuslovers Green engine with a low noise level
The G9B has been developed to run on natural gas or biogas. Natural
gas and biogas have properties that significantly reduce emissions
of exhaust substances that are harmful to human beings and nature.
In addition, a gas engine operates far more quietly compared with
a conventional diesel engine. The emission levels from a G9B engine
meet the EU demands for Euro 5 and EEV (Enhanced Environmentally
friendly Vehicle), making it particularly suited for city buses and other
buses operating in vulnerable environments. Natural gas consists primarily, to about 85 percent, of methane gas. The gas is stored in tanks fitted on the bus’s roof.
Four-valve technology and overhead camshaft
The G9B has four valves per cylinder and separate inlet and exhaust ducts with a cross-flow design. The combustion chamber is designed according to the Lambda 1 concept and the engine is fitted with threeway catalytic conversion. All this together results in swift gas flow and an optimal combustion process, leading in turn to low emissions and better power and torque.
modified construction with high reliability
Compared with the D9B diesel engine, the G9B has lower compression and it is quipped with a modified cylinder head. The pistons, valves and valve seats are redesigned and are made of a different material. The G9B uses spark plugs with platinum electrodes for extralong lifetime.
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VOLVO G9B 300 Euro 5, eev

Buslovers The G9B is a vertical 9.4-litre in-line six-cylinder gas engine producing 300 hp, equipped with a turbocharger and intercooler. The engine easily meets the EU standards for exhaust emissions according to Euro 5 and EEV.
The G9B is an in-line six-cylinder gas engine with a displacement of 9.4 litres, featuring a turbocharger and intercooler. The G9B is in essence Volvo’s D9B diesel engine modified to run on gas, either CNG (Compressed Natural Gas) or biogas. Using gas as a fuel considerably reduces emissions of harmful exhaust substances at the same time as the engine operates more quietly. The G9B is a Euro 5 engine certified to the EEV (Enhanced Environmentally friendly Vehicle) emission standard. Its emissions are below the limit stipulated for EEV, which has even stricter demands on parameters such as particle emissions gbg 300x200 VOLVO G9B 300 Euro 5, eev

Tank connection system
1. Gas container 2. Container valve 3. Shut-off tap 4. Fine filter 5. Regulator 6 Engine control unit 7. Injection valves 8. Inlet nozzle
The G9B is equipped with electronic engine management. The system
adapts power output to suit gas quality and calculates the optimal gas
mix and ignition settings in response to every engine load, speed and temperature variation. Like the D9B, the G9B has an overhead camshaft and four valves per cylinder as well as a single cylinder head. However, the gas engine features modifications to the cylinder head, pistons, valves and valve
seats. The inlet manifold too has been modified for gas power, and the
spark plugs are of a special type. volvo2 VOLVO G9B 300 Euro 5, eev
Owing to its extremely low exhaust emissions, the G9B engine is particularly suitable for operations in vulnerable environments

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VOLVO 7900 Hybrid

Buslovers Features Volvo 7900 Hybrid
Saving fuel, reducing emission
When you save as much as 37% in fuel consumption, you also reduce CO2 emissions by the same amount. And when it comes to nitrogen oxides and particles the reduction is even greater; up to 50% compared to the average Euro 5 diesel bus. The reason why Volvo can present better figures than others is no secret. The solution itself, the parallel hybrid, is highly efficient, the Volvo I-Shift gearbox provides optimised conditions, and we keep the batteries in the best possible condition by providing both cooling and heating.

79H Features 300x150 VOLVO 7900 Hybrid

Standstills without noise or exhaust
At higher speeds the diesel engine takes over while at the same time recharging the batteries. Since the electric motor serves both as a motor and a generator you actually recharge when driving and braking. While idling at a red light or bus stop the diesel engine is shut off, resulting in zero emissions.

The Volvo Parallel Hybrid solution
The Volvo 7900 Hybrid has active temperature-controlled lithium-ion battery cells, with individual cell charge control. This results in reliable and efficient energy storage. The lithium-ion battery has high energy-storage capacity, low weight and low environmental impact. It is optimised so that the Hybrid can run everywhere, regardless of climate.

Powertrain management
An electronic control module regulates engagement and disengagement of electric and diesel power, as well as gear-changing modes and battery recharging. The close-ratio Volvo I-Shift automated transmission has software that is optimised for city and commuter traffic. The fuel-efficient 4-cylinder, 5-litre Volvo D5F diesel engine produces 215 bhp and is installed vertically in the left rear corner.

79H Specification 300x150 VOLVO 7900 Hybrid

Specifications Volvo 7900vHybrid
Bus length : 12 m
Body width : 2.55 m
Door alternatives : Two or three doors
Passenger capacity : Up to 102 persons depending on layout
Engine : Parallel hybrid with rear-mounted, 4-cylinder,
5-litre diesel
Output : D5F215 (161 kW/800 Nm) + electric motor
(120 kW/800 Nm)
Emissions class : Euro 5 and EEV compliant
Exhaust aftertreatment : SCR
Gross weight (GVW) : 19 metric tonnes
Gearbox : 12-speed
Volvo I-Shift
Suspension : Electronically controlled air suspension
Floor height : 340 mm at all doors. Can be lowered a further
70 mm with the kneeling function.
Kneeling : Front, side, full side kneeling are available
AC : Optional
Equipment may vary from one country to another. We retain the right to alter product specifications without prior notification.

storage capacity, electronic control, disengagement, hybrid solution, layout engine
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Facts and Figures Volvo B9R

volvo b9r 300x160 Facts and Figures Volvo B9R

Buslover Frame Buses B9R

Steel frame with flat upper face, making
bodybuilding easy.
Volvo D9B in Euro 5 configuration is available with 380 hp (1700 Nm). Volvo D9B for Euro 3 and Euro 4 is available with 340 hp (1600 Nm) or 380 hp (1700 Nm).

Volvo I-Shift, automatic gearchanging system, available with a choice of gearchanging programs and functions. Manual 6-speed gearbox is available as an alternative to I-Shift.

Rear axle
Rear axle with a wide range of ratios for best performance within each application area.

All-round air suspension. Antiroll bars on both axles as standard.

Braking system
Volvo electronically controlled disc brakes (EBS). ESP (Electronic Stability Program). Volvo compact retarder and Volvo Engine Brake (VEB) are optional.

Driver’s environment
The driver’s cab is ergonomically designed and features conveniently positioned controls, easily adjustable seat and an adjustable steering wheel.

Fuel tanks. 2×150, 300 and 400 litres.
Transport wheelbase 3.25 m. Can be built with bodies up to 13 m in length.

Total capacity
Maximum permitted gross weight 19 000 kg depending on application and local legislation.
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Green and Efficient Fuel-efficientVolvo B9R chassis D9B engine 2009 300x120 BUSES VOLVO B9R The Volvo D9B has been engineered from the outset to provide high fuel efficiency and low particulate emissions. In order to also reduce
emissions of nitrogen oxides to very low levels, it is equipped with SCR (Selective Catalytic Reduction) for treatment of the exhaust gases. Another benefit is that SCR has a positive effect on fuel consumption. Customers who have chosen Volvo buses with SCR have seen fuel consumption improve by as much as in average 9 percent relative to the Euro 3 buses.

Meets Euro 5
Volvo’s latest diesel engine, the Volvo D9B, is equipped with electronically controlled unit injectors and an overhead camshaft, which contributes to low fuel consumption and low emissions. The Volvo D9B meets emission requirements according to Euro 5. The engine is also available in versions that meet the Euro 4 and Euro 3 standards.
Economical driving
The Volvo B9R is equipped with Volvo I-Shift, our automated gearchanging
system which has become such a huge success in both the bus and truck worlds. Volvo I-Shift combines the reliability of the manual gearbox with the automatic transmission’s convenience and smoothness. Thanks to precise gearchanges and low internal frictional losses, Volvo I-Shift contributes to economical driving. What is more, Volvo I-Shift offers quiet and smooth gearchanges. Manual 6-speed gearbox is available as an alternative to I-Shift.
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d7e 290 euro 41 300x44 VOLVO BUSES When PRODUCTIVITY COUNT

Buslovers APProved for todAy’s And tomorrow’s environmental requirement

Thanks to its high efficiency rating, the D7E has low emissions. The

exhaust gases are cleaned still further with the help of SCR (Selective

Catalytic Reduction) technology. With this method, an additive called

AdBlue is injected into the exhaust gases before they pass through an

SCR catalyst where the nitrogen oxides are transformed into harmless

nitrogen gas and water vapour. As a result, the emissions are so low

that the engine meets the EU’s Euro 4, Euro 5 (incentive) and EEV*

(Enhanced Environmentally friendly Vehicle) emissions classes. Since

the exhaust treatment takes place without affecting the engine’s combustion, this also means that fuel consumption is lower compared with Euro 3.

Precise injection for efficient fuel utilisAtion

In the D7E, injection takes place using common rail technology. The

fuel is injected at high pressure through a single pipe (common rail).

The engine’s functions are controlled electronically with the help of

Volvo EMS 2 (Engine Management System), so pressure and timing

can be regulated with immense precision. As a result, combustion

can always be optimised to suit driving conditions, thus contributing

to excellent driveability. The engine management unit is linked to the

vehicle electronic system. This provides advanced scope for diagnosis

and fault-tracing.

Components And Oil System Dimensioned for Long Service Life

The cylinder block and cylinder head are made of cast iron, which results

in a strong yet lightweight unit. The engine’s moving parts are all built to

handle long-term stresses. The lubrication system in the D7E guarantees

effective lubrication and cooling of all the engine’s systems. The geardriven oil pump ensures oil flow under all operating conditions. A separate

oil circuit for piston cooling guarantees cooling from idling revs and upwards. All this together gives the D7E high reliability and a long service life. volvo turbo1 300x257 VOLVO BUSES When PRODUCTIVITY COUNT

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