Food preservation automatic vacuum chamber consists of a sealed door with opening and vacuuming electric valves and an insulated casing

摘要

The food preservation automatic vacuum chamber comprises a door (p) giving hermetic sealing. A switch (i) with power supply (fae), attached by the chamber door handle (m), has a vacuum setting device (vs) for short-term food preservation. An electrically-controlled valve (ev) gives pressurizing, to allow opening of the door (p) of the chamber (cv) having opaque walls and an insulating carpet (a).