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A vibrating compressor comprising an external iron core, a permanent magnet, an internal iron core, and an electrocmagnetic coil vibratably supported by a mechanical vibrating system in a magnetic gap between the two iron cores to drive a piston connected thereto; the permanent magnet being composed

A vibrating compressor comprising an external iron core, a permanent magnet, an internal iron core, and an electrocmagnetic coil vibratably supported by a mechanical vibrating system in a magnetic gap between the two iron cores to drive a piston connected thereto; the permanent magnet being composed of a high residual (remanence) magnetic flux density magnet, as represented by an alnico magnet, and a high coercive force magnet, as represented by ferrite magnet, and disposed separately.

대표청구항 ▼

A vibrating compressor having a cup-shaped external iron core comprising a bottom and an cylindrical part; a closing member closing the open end face of said external iron core cylindrical part; a permanent magnet disposed inside said external iron core; an internal iron core having a cylindrical ma

A vibrating compressor having a cup-shaped external iron core comprising a bottom and an cylindrical part; a closing member closing the open end face of said external iron core cylindrical part; a permanent magnet disposed inside said external iron core; an internal iron core having a cylindrical magnetic pole for forming a magnetic path, together with said external iron core, with respect to said permanent magnet; and a driving coil vibratably supported by a mechanical vibrating system and disposed within an annular magnetic gap between said external iron core and said internal iron core; said driving coil driving a piston connected thereto when an alternating current is fed to said driving coil, and characterized in that said permanent magnet consists of a high residual magnetic flux density magnet, as represented by an alnico magnet, and a high coercive force magnet, as represented by a ferrite magnet; said high residual magnetic flux density magnet being disposed in between said bottom of said external iron core and said internal iron core; and said high coercive force magnet being disposed in between said cylindrical part of said external iron core and said internal iron core.