1. AIR CAR
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2. INTRODUCTION Air Car- Powered by Air Engine.
Having Emission Free Piston Engine using Compressed Air as Fuel.
Gasoline- Main source of Fuel, Very Expensive and Impractical (Environmental Standpoint), Non- Renewable resource, it will eventually run out.
One possible alternative is the air-powered car.
Air Powered Cars runs on Compressed Air instead of Gasoline.
Powered by two cylinder compressed engine.
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3. VEHICLE PARTS COMPRESSED AIR TANK
Are Localized Underneath the Vehicle.
This Compressed Air Storage System is Safe to Risk of Explosion.
Hold 90 cubic meters of air, compressed to 300 bars.
Are the same tanks used to carry the liquid gas used by buses for public transport.
Are Designed and Officially approved to carry an Explosive Product: Methane gas.
Tanks are Not Made of Metals, Rather they are made Of Carbon Fibers.
So if Tanks Rupture, They would not Explode, Rather They Would Crack
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4. THE BODY Car Body- Built with Fiber and Injected Foam.
Two main advantages: Cost and Weight.
Sheet Steel-Low Cost than Fiber.
Fiber is safer.
It doesn’t cut like steel.
Easier to Repair, glue, doesn’t rust.
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5. THE AIR FILTER
Air- Compressed by On Board Compressor Or Service Stations Equipped with High-Pressure Compressor.
Before compression, Air must be Filtered to get rid of any Impurities.
Carbon Filters are used to Eliminate dirt, dust, humidity and abundant abrasive particles.
System eliminates and reduces existing Pollution.
The Exhaust pipe on the Air-Powered Cars produces clean air which is cold on exit (between 15o and 0o) and harmless to human life.
The air that comes out of the car is cleaner than the Air that went in.
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6. THE CHASSIS
Chassis- Highly resistant, Light, Aluminium Rods glued together.
Aluminium rods Enables to build More Shock-Resistant Chassis than Regular Chassis.
The rods are Glued in the Same way as Aircraft.
Allowing quick assembly.
More secure join than Welding.
This System helps to reduce Manufacture Time.
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7. TECHNOLOGY DESCREPTION
Piston 1- Takes in Air, Compresses at 300 psi & 200 *F in Compression Chamber During 1st Cycle of Engine.
Piston Pauses. Small Amount Of Air is released in Expansion Chamber. It Creates Low Pressure of 140 psi, Low Temperature, Low volume.
A High Speed Shutter Connects the Compression & Expansion Chamber.
Sudden Pressure & Temperature Difference in the two Chamber creates Pressure Wave in Expansion Chamber, Thus Producing Work that drives the piston to Power the Engine.
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8. BASIC PRINCIPLE
Uses an Innovative System to Control the Movement of the Second-Generation Pistons and one single crankshaft.
The pistons work in two stages and one intermediate stage of compression and expansion.
Engine has two functions:
To compress ambient air.
To make successive expansions thereby approaching isothermic expansion.
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CAT’s Engine
Detailed view

9. WORKING
Compressed air- Stored in Fiber or Glass Fiber Tanks at a Pressure of 4500 psi.
Fed through Air Injector to the Engine & flows into a Small chamber, where Expansion occurs.
Air Pushes the Piston down & moves the Crankshaft, which gives Power.
Car can run on Traditional Fuel in Combination with Air.
The change of energy source is controlled electronically.
Car Speeds- <60kph,it runs on air. >60kph it runs on a fuel such as gasoline, diesel or natural gas.
Tank can be refilled at the nearest Air Pump.
Car motors require a small amount of oil (0.8 litres) that has to be changed just every 50,000km.
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10. ARTICULATED CON-ROD
The Con-Rod System- Allows the Piston to be held at Top Dead Centre for 70% of the cycle.
This way, enough time is given to create the pressure in the cylinder.
The torque is also better so the force exerted on the crankshaft is less substantial than in a classic system.
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11. GEAR BOX MOTO-ALTERNATOR
Gear Changes are Automatic, Powered by an Electronic system.
A computer which controls speed of the car is effectively changing the gears.
MOTO-ALTERNATOR
The Moto-alternator connects the engine to the gearbox.
It has many functions:
Supports the vehicle’s motor to allow the Tanks to be refilled.
As an alternator to produce Brake Power.
Starts the Vehicle and Provides Extra Power when necessary.
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12. DISTRIBUTION SYSTEM
Engine uses a Simple Electromagnetic Distribution System which controls the flow of Air into the Engine.
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13. COMPARISION WITH COMPETITION
COMPARISION CHART
2000 NISSAN ALTRA EV
2003 TOYOTA RAV4 EV
2003 MDI CITY C.A.T.
Fuel type
Electric
Compressed Air
Mpg avg. [1]
123
104
198
Annual fuel cost [2]
$331.00
$391.00
$220.00
Annual green house gas emissions [3]
3.5
4.1
1.2
Range
129
126
Top speed
75 mph
78 mph
68 mph
Engine characteristics
62 kW AC Induction
50 kW DC
18.3 kW CCE
Recharge time
5 h
6.75 h [4]
3 min or 4 h [5]
Price
$50,999
$42,000
$15000-$20,000
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14. LEGEND:
1. MPG represents Number of Miles that can be travelled using equivalent Amount of Electrical Energy Compared with a gal of Gasoline.
2. Based on 45% Highway Driving, 55%City driving, miles per year and following fuel prices:
Electricity: $0.08 per kWh ($2.71 per gal of gasoline equivalent)
3.Green house gas emissions expressed in CO2 equivalents.
4.Based on tests conducted.
5.Three minutes through air station or 4 hour, if connected to conventional washer & dryer plug(220V).
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15. MODELS
A) FAMILY
A Spacious Car with Seats which can face different directions.
Its Design is based on the Needs of a Typical family.
Specifications: Airbag, Air conditioning, 6 seats.
Dimensions:3.84m,1.72m,1.75m.
Weight:750 kg. Maximum speed:110 km/h, Mileage: km.
Max load: 500 Kg.
Recharge time: 4 hours (Mains connector) Recharge Time: 3 minutes (Air station)
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On Board Computer

16. Specifications: Airbag, air conditioning,2 seats
B) VAN
Designed for daily use in industrial, urban or rural environments, whose primary drivers would be tradesmen, farmers and delivery drivers.
Specifications: Airbag, air conditioning,2 seats
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Steering Wheel

17. Specifications: Airbag, air conditioning, 6 seats
C) TAXI
Inspired by the London Taxi, with numerous ergonomic and comfort advantages for the passenger as well as for the driver.
Specifications: Airbag, air conditioning, 6 seats
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Steering Wheel

18. Specifications: Airbag, air conditioning, 2 seats
D) PICK-UP
The “Pleasure" car: designed for excursions, outdoor sports or water sports. Also suitable for tradesmen and small businesses.
Specifications: Airbag, air conditioning, 2 seats
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19. Specifications: Airbag, air conditioning, 3 seats
E) MINI CAT
The smallest and most Innovative: Three seats, Minimal dimensions with the Boot of a saloon.
A great challenge for such a small car which runs on compressed air.
The Mini Cat is the city car of the future.
Specifications: Airbag, air conditioning, 3 seats
Dimensions:2.65m, 1.62m, 1.64m.
Weight:750 kg, Maximum speed:110 km/h. Mileage: km
Maximum load: 270 Kg. Recharging time:  4 hours (Mains connector) Recharging time:3 minutes (Air station).
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20. ADVANTAGES Fast recharge time. Long storage lifetime Of Air.
Potentially lower initial cost than battery electric vehicles when mass production takes place.
A Pure Compressed Air Vehicle produces no pollution at the tailpipe.
The compressed air engines also offer drivers the option of using fossil fuels or bio-fuels to heat the air as it enters the engine.  
Air cars are lighter than conventional cars.
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21. DISADVANTAGES
When Compressor runs on Gasoline, it will create Pollution.
One-to-two hour Waiting for the Car's built-in Air Compressor to Compress air could become a problem on cross-country trips.
The distance that an Air Car can cover without refueling is crucial because very few filling stations will have compressed air pumps available. 
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22. CONCLUSION
Air powered cars is a Realization of latest technology in automobile field.
It eliminates the use of Non-Renewable fuels.
Prevents Pollution caused by Millions of Automobiles all over the world.
This could be the future of automobiles and step to a Healthier Environment.
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23. THANK YOU
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