Compound internal combustion engine and method for its use

Details Compound internal combustion engine and method for its use Compound internal combustion engine and method for its use

F - Mech Eng,Light,Heat,Weapons

02

B

123/42

F02B 47/00 (2006.01)

Patent

CA 1174129

COMPOUND INTERNAL COMBUSTION ENGINE AND METHOD FOR ITS USE Abstract of the Disclosure A compound internal combustion engine having an efficiency materially higher than that of an engine operating on the conventional Otto or Diesel cycle. This is accomplished by using the heat of the exhaust gases to compress air, with or without the addition of fuel, which is then injected into the cylinder or cylinders of the engine just prior to ignition. In this manner, less heat is rejected from the overall cycle with improved efficiency. In the preferred embodiment of the invention, a portion of the unused heat energy in the exhaust gases is used in a unidirectional energy converter to compress air or an air/fuel mixture which is then injected into the cylinders of the engine. The engine, whether it should operate on the Otto or Diesel cycle, does not compress gas on the upstroke of the piston until the compressed gas from the unidirec- tional energy converter is injected into the cylinder.

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