These Pave a stacked-tube construction, built around a poppet valve, that is opened when struck by a force.
32.
The valve is usually constructed as a circular poppet valve with a conical seat, inserted into the cylinder from the outside.
33.
Up to that point, the single sleeve valve had won every contest against the poppet valve in comparison of power to displacement.
34.
Although the engine was cylinder-ported and required no poppet valves, each bank had a camshaft, driven at crankshaft speed.
35.
In one late 1920s paper he claimed that the 1 hp / in?goal was impossible to achieve with poppet valve type engines.
36.
The engine exhausts through push-rod operated poppet valves in the cylinder head, with either two or four valves per cylinder.
37.
Glow engines which operate on the four-stroke cycle, whether using ordinary poppet valves or occasionally opposed twin and radial engine layouts.
38.
The generator operates on a two-stroke cycle, using hydraulically activated exhaust poppet valves, gasoline direct injection and electronically operated valves.
39.
US company " Coates International Ltd " has developed a spherical rotary valve for internal combustion engines which replaces the poppet valve system.
40.
This system had one centrally located fuel injector to distribute fuel to six hoses each with a poppet valve to each of the intake ports.
