UNIQUE ENGINE

Hawera Star, Volume LII, 28 January 1933, Page 12

UNIQUE ENGINE

VALVELBSS AND CRANKLESS.

PERFORATED CYLINDER HEAD

Professor A. M. Low, the famous English .scientist, has designed a valveless and crankless engine, which it is claimed will operate at 15,000 revolutions per minute. To permit such speed valves must be eliminated, and in their place Professor Low proposes to use a perforated, eyl ruder head. 'Ho has found in 10 years of special tests that a combustible gas can be fed into a tube so fast that, if ignited, the flame will not be able to travel backward toward the source of gas supply. Secondly, he has found that if the gas from this tube be led into a cylinder through small, cooled perforations, and ignited, the flame will not pass back through the orifices, and very little explosive force will be lost. These principles are combined in his new engine, together with a system of regular pulsations of gas supply pressure. The two-stroke cycle is used, and to reduce cost of production eccentrics on the crankshaft replace cranks.

Exhaust is by open ports in the cylinder walls, these being uncovered by the pistons on their downward travel.