Patent ID: 9303558
Filing Date: 2016-04-05
CPC Classification: F02B,F02D

Claim Text:
1. A system for providing a variable compression ratio engine comprising: a first frame affixed to the cylinder head/block assembly of a reciprocating internal combustion engine and comprising one of one or more locating pins or one or more locating slots; a second frame affixed to the crankcase of the engine and in slideable engagement with the first frame and comprising the other of one or more locating pins or one or more locating slots; wherein the one or more locating pins and the one or more locating slots are in slideable engagement; and wherein the first frame and the second frame enable the head/block assembly to move vertically (i.e., in the y-axis) with respect to the crankcase, but substantially prevent movement in the other two directions (i.e., the x- and z-axes).