US PATENT SUBCLASS 123 / 190.5
.~.~.~ For two or more cylinders

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

188.1  DF  VALVE {10}
190.1  DF  .~ Rotary {7}
190.4  DF  .~.~ Double function type {4}
190.5.~.~.~ For two or more cylinders

DEFINITION

Classification: 123/190.5

For two or more cylinders:

(under subclass 190.4) Apparatus wherein a single multi-passage rotary valve handles both intake and exhaust gases for multiple cylinders.