Patent ID: 6953018

Claim:
A valve arrangement in a combustion engine for controlling inlet and outlet of gas mixtures, comprising a valve slidably housed within a cylinder head of the combustion engine, the valve including a valve plate and a stem like portion, the stem like portion having an upper portion and a lower portion, the lower portion having a valve plate attached thereto, which valve plate interacts with a valve seat to allow for outlet and inlet gases respectively to flow from and to a cylinder respectively to and from a channel respectively, which channel is housed within the cylinder head, wherein the lower portion forms a hollow annular body to allow for the inlet and outlet gas mixtures to be transported through the valve, wherein the valve plate is connected to the lower portion to form a gap there between to allow for outlet gas mixtures to be transported past the valve plate into the inside of the hollow annular body and to allow for inlet gas mixtures to be transported from the inside of the hollow annular body past the valve plate, and, wherein the lower portion comprises an annular edge forming an opening to allow for outlet gas mixtures to be transported out from the inside of the hollow annular body into the channel within the cylinder head and to allow for inlet gas mixtures to be transported out from the channel into the inside of the hollow annular body.