Exhaust reaction chamber system of engine

Details Exhaust reaction chamber system of engine Exhaust reaction chamber system of engine

F - Mech Eng,Light,Heat,Weapons

01

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172/15

F01N 3/00 (2006.01) F01N 13/10 (2010.01) F01N 3/26 (2006.01) F02B 77/02 (2006.01) F02F 1/42 (2006.01) F02B 1/04 (2006.01) F02B 75/18 (2006.01) F02B 75/20 (2006.01) F02F 1/24 (2006.01)

Patent

CA 1042351

ABSTRACT OF THE DISCLOSURE An exhaust reaction chamber assembly is provided for a four-cylinder in-line internal combustion engine having two pairs of exhaust ports, the ports in each pair being closely spaced. The assembly includes an exhaust manifold having two preliminary reaction chambers each connected to receive exhaust gases from one of said pairs of exhaust ports, respectively. A main reaction chamber is provided within the exhaust manifold and two curved passages each connect one of the preliminary reaction chambers to the main reaction chamber, respectively, each passage curving for about 90°. The passages have aligned outlets so that the exhaust gases from each passage are directed toward the other passage. In one embodiment, the aligned outlets are spaced apart within the main reaction chamber, and in a modification the aligned outlets are formed in a single pipe having a side window opening into the main reaction chamber. A restriction may be placed between each passage and the preliminary reaction chamber to which it is connected, in order to increase residence time.

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