Patent ID: 6298716
Filing Date: 2001-10-09
Classification: G01M

Abstract:
A device for testing the compression of engine cylinders in an open internal combustion engine with the engine having the head disengaged from the engine block, comprising:a hollow seal ring having an inner diameter, an upper rim and a lower rim;a pressure sealing means on the upper rim and the lower rim;a top seal plate having an upper surface, a lower surface, four head bolt holes, and a seat to accommodate the upper rim of the hollow seal ring;the top seal plate having a means to measure air pressure and a means for introducing air through the top seal plate, wherein the lower rim of the hollow seal ring is placed around the engine cylinder upon the engine block, the top seal plate is placed on the upper rim of the hollow seal ring, head bolts from the engine are placed through the four head bolt holes, into the threaded engine head bolt holes in the engine block and the device is compresses forming a sealed assembly, allowing the pressure created within the engine cylinder and the device to be measured by the addition of pressurized air or the movement of the piston with the engine cylinder.