F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
F02B 69/00 (2006.01) F02B 41/02 (2006.01) F02B 43/00 (2006.01) F02M 21/04 (2006.01) F02B 1/04 (2006.01) F02B 3/06 (2006.01) F02B 75/18 (2006.01)
Patent
CA 2078342
2078342 9114086 PCTABS00007 A combustion engine (1) of the piston engine type where the static compression ratio exceeds approximately 15:1, especially in the range of from approximately 15:1 to approximately 20:1, preferably approximately 17:1. The engine is provided with an ignition system (3) where the ignition point is situated after the top dead center (TDC), especially in the range of from approximately 0· TDC to approximately 20· TDC, preferably approximately 4· TDC. As a result, it is possible to achieve an ignition of a fuel, the spontaneous ignition capacity of which at the predetermined compression ratio does not usually suffice. The resulting ignition generates a maximum pressure in the cylinder of approximately 90· TDC, whereby a high efficiency of the fuel is obtained without simultaneously involving a steep increase in the temperature in the combustion chamber. A Venturi (71) for the combustion engine (1) according to the invention is substantially axially symmetrical when seen in the flow direction. The Venturi comprises a mixing chamber, an inlet side of an annular, slot-forming ring, an outlet side of the annular, slot-forming ring and a transition portion (77) to the inlet manifold (11).
Andersen Holger Storm
Voergaard Flemming
Wellev Jens Erik
Alex Jensen Technology A/s
Macrae & Co.
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