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What is NPS?
What is NPS about?
How NPS works compared to standard and race engines
Operating Principles of NPS
Basic description of parts and processes that work together to produce NPS
Combination of parts and processes that work together to produce NPS
HTCSI combustion compared to HCCI combustion
Working prototype engines
Negative pressure produces the SAME force as positive pressure
Vacuum or boost is the result of high pressure forcing itself into low pressure environment
How internal combustion engines and superchargers actually work

Vacuum or Boost is the result of high pressure forcing itself into low pressure environment

High (positive) pressure naturally forces itself into a low (negative) pressure environment in order to equalise pressure. Therefore, a pressure difference must be initially created for air to move from a high pressure to a low pressure environment in order to produce vacuum or boost.

For example,
To produce vacuum a lower (negative) pressure environment below atmospheric pressure must be initially produced inside the engine (ie: when a piston moves down the bore it reduces the pressure in the cylinder) while the higher atmospheric pressure outside the engine remains constant.

To produce boost a higher (positive) pressure environment above atmospheric pressure must be initially produced outside the engine (ie: when an air pump compresses the air it increases the atmospheric pressure) while the lower pressure inside the engine remains constant at a given rpm.

 

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Inventor of Negative Pressure Supercharging

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