Patent ID: 6039011
Filing Date: 2000-03-21
Classification: F02B

Abstract:
An engine having an engine block that is monoblock except for a removable piece used in assisting insertion of at least one valve, and including a cylinder having a longitudinal axis defined therein, said engine comprising:a pocket extending from said cylinder, said pocket defining a dead space therein;said pocket having a first wall spaced apart from a second wall, said first wall having a first opening, said second wall having a second opening and said pocket having a third wall coupled between said first and second walls, said third wall having an opening with a spark plug therein;a first valve located within said first opening;a second valve located within said second opening;said pocket having a common space between said first wall and said second wall through which said first valve and said second valve move during operation, and said pocket has a longitudinal axis parallel to said longitudinal axis of said cylinder and said valves move along an axis parallel to said cylinder axis.