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U.S. Department of Energy
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Timing adjusted engine and conversion kit

Patent ·
OSTI ID:6456249
A conversion package is described for modifying a two cycle internal combustion piston engine construction having a piston reciprocable in a cylinder. The cylinder has a cylinder head opposed from the piston to define a chamber therebetween and sidewalls formed with open ports controlled by the piston, exhaust valve means for the chamber supported in the cylinder head controlled by cams on a rotating cam shaft, a fuel injection means in the cylinder head, and an air intake manifold in fluid communication with the open ports, comprising: a replacement cylinder head for supporting the exhaust valve means having a partition isolating at least one of the exhaust valve means in a first space and the remainder of the exhaust valve means in a separate second space, a replacement cam for controlling the at least one exhaust valve means in the first space, and an extension duct for fluidly connecting the intake manifold to the first space of the replacement cylinder head.
Assignee:
Vindof Inc., Elmhurst, IL
Patent Number(s):
US 4660513
OSTI ID:
6456249
Country of Publication:
United States
Language:
English