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The ART Zajac Engine Step by Step

  • Zajac Motor Section
The Zajac Difference

    The ART Zajac Engine technology is comprised of compression and expansion cylinders with custom-designed valves (one set of cylinders for intake/compression and another set for power/exhaust), and a separate “hot wall” combustion chamber.
    These ART Zajac head parts are compatible with any standard Diesel engine block. Today’s Diesel engine manufacturers can adopt and integrate this new technology with minimal manufacturing and retooling costs.

    Step 1: Intake and Compression
      Air intake is controlled and compressed in this cylinder using the ART Zajac process and valve cycle. Separating the compression cylinder from the combustion chamber allows the ART Zajac Engine’s compression ratio to be 40% greater than that of a standard gasoline engine, yielding higher efficiency. The precise valve cycle ensures that at the optimal time and pressure, the air is released into the combustion chamber. The ART Zajac Engine has pending and issued patents for this unique process.
    Step 2: Combustion
      The patent-pending, combustion chamber’s size, shape and space-tested insulating materials create a hot walled environment where fuel, air, and pressure can be maintained at a constant temperature. The size of this energy storage chamber also extends the length of time that the fuel is held resident in the combustion chamber — 10 to 100 times longer than in a traditional engine. This results in a clean and complete burn.

      Complete combustion virtually eliminates the production of CO, unburned hydrocarbons, soot (partially burned hydrocarbons), and NOx. By completely burning all of the fuel, the maximum amount of energy is extracted and translated into usable power, delivering 50% greater fuel efficiency over gasoline engines. Additional optional pneumatic hybrid technology increases the fuel efficiency an additional 65%, providing a combined net fuel efficiency increase of 150%. This means that an ART Zajac pneumatic hybrid engine can travel 250% as far on a gallon of gasoline than a standard gasoline engine can.
    Step 3: Power and Exhaust
      In the power and exhaust cylinder, the ART Zajac Engine’s effective power stroke is longer and can be as much as 220% that of a standard engine. This difference is significant, as a standard engine exhausts its gases before they are fully expanded, thus making noise and wasting power. With ART Zajac technology, gas is exhausted near atmospheric pressure, reducing waste and minimizing noise.
    An added bonus
      The ART Zajac Engine is completely independent of the type of fuel used, running with equally high efficiency on gasoline, Diesel, fuel oil, natural gas, propane, bio-Diesel, and ethanol. These different fuels cause no change in performance, power output, or cleanliness. The fuels may be mixed or changed on the fly without any engine modification. The only effect of changing fuels is that the amount of energy contained in each type of fuel will impact miles-per-gallon figures.

      The ART Zajac approach is advancing engine technology with an innovative twist on traditional Diesel engines.

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