GAS-DISTRIBUTING MECHANISM Russian patent published in 2006 - IPC F01L1/46 

FIELD: engine engineering.

SUBSTANCE: gas-distributing mechanism comprises inlet and outlet valves which have rods and heads that cooperate with the seats. The heads of the valves are provided with passages which are arranged over the generatrix of the working surface and inclined in the vertical plane. The origin of the passages is at the face sections of the head and has a greater diameter, and the end of the passages is on the working surfaces and has a lesser diameter.

EFFECT: enhanced efficiency.

5 dwg