I thought of using qxygen injection in high school when my chem. teacher separater h20 into its gases anf then put some steel wool into the o2 side and lit it in the test tube to show that anything will burn in o2. That is also how they used to make flash bulbs. I obviously thought the o2 injection system was a good idea and do not think it must be in a liquid state, but do agree that it needs to be safely stored to prevent damage during an accident. O2 injection should not damage any internal engine componets if you don't do the injection on a massive scale. We can drive a car at sea level where the o2 is plentiful and drive it to Denver with no problems at the mile high city. Why can't we just richen the 02 level to increase combustion? Seems like a pretty basic and sound principle to me.

 

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I propose to use Direct Injection of LOX (Liquid Oxygen), right into the combustion chamber, a second fuel injector would be added, this one to be injecting pure LOX. The temperature would be controlled by adjusting the LOX-Gasoline mix ratio, and most importantly, you could do away with the entire intake system, there is no need for the entire intake system anymore, including the intake VALVES in the head! All of the valves, including the former intake valves can now be used for exhausting the spent fuel gasses. The flow rate of the exhaust ports in the heads will be instantly doubled.

Looking it up on Wikipedia I find that; Liquid oxygen has an expansion ratio of 1:861 at 68 °F http://en.wikipedia.org/wiki/Liquid_oxygen


A unit of LOX expands at a 861 to 1 ratio when it phase changes from a liquid to a gaseous state, the amount needed to be injected into the cylinder would be miniscule when compared to liquid Gasoline, indeed, you would have to use Liquid Propane or natural gas to have a similar ratio for the fuel side of the injectors, LOX being the sole oxidizer in the setup.

The main thing that would be accomplished with this setup would be an enormous increase in engine power, both torque and Horsepower.

It should be noted that this application would be very dangerous, and initially limited to racing and racing engines only.

If the LOX were rapidly released into a fire during an accident the result would be a white hot fire that would be impossible to extinguish using regular fire fighting equipment and techniques. If you’ve ever seen what happens when a liquid fueled rocket fails and explodes when launching, then you know what such an occurrence would look like on a racetrack. Still, with sufficient application of advanced materials, practices and procedures, I feel confident that it can be made safe enough to be used in specialized applications like Top Fuel Drag Racing and similar endeavors. As with anything, sufficient application of money and resources can accomplish just about anything you can think of, so in theory, this technology could be made safe enough to use in a street car,..someday.

 

This thread is over nine years old.

 

Ideas are ageless.

 

You need a wet nitrous system. when you hit the button, both fuel and nitrous oxide, NO2 are introduced in correct ratio. NO2 is nitrogen and oxygen. Fuel is added with the NO2 to keep the mix right and avoid engine damage. Cheers