Helicopter altitude maintaining device, has opening arranged in compartment, and door fixed at interior of oxygen gas reservoir and hydrogen gas reservoir, where opening receives pressed oblique tube

摘要

The device has an opening that is arranged in a compartment, where the opening receives a pressed oblique tube. A door is fixed at an interior of an oxygen gas reservoir and a hydrogen gas reservoir. Joints are replaceable, where the joints ensure sealing between the oxygen gas reservoir and the hydrogen gas reservoir. An engine is provided with electric lock and arms.