Self-driven apparatus for charging expanded air

Abstract

Provided is an air expanding apparatus driven by a rotating magnetic field and expanding or accelerating and transferring air. The air expanding apparatus includes at least one expander sucking air and giving kinetic energy to intake air; an expander case leading external air sucked by the expander into the expander at a higher flow velocity and converting pressure energy of air out of the expander into air having velocity energy to discharge air; and a rotating body accelerator equipped with the expander and the expander case and driving the expander. Here, the rotating body accelerator drives the expander by generating a torque by interaction with an intake negative pressure, by generating a torque by interaction with the intake negative pressure and using supplied power, by generating a torque using supplied power, or by generating a torque by interaction with supplied supercharged pressure.

1 . An air expanding apparatus driven by a rotating magnetic field and expanding or accelerating and transferring air, the apparatus comprising:
 at least one expander sucking air and giving kinetic energy to intake air;   an expander case leading external air sucked by the expander into the expander at a higher flow velocity and converting pressure energy of air out of the expander into air having velocity energy to discharge air; and   a rotating body accelerator equipped with the expander and the expander case and driving the expander,   wherein the rotating body accelerator drives the expander by generating a torque by interaction with an intake negative pressure, by generating a torque by interaction with the intake negative pressure and using supplied power, by generating a torque using supplied power, or by generating a torque by interaction with supplied supercharged pressure.   
     
     
         2 . The air expanding apparatus of  claim 1 , wherein the rotating body accelerator comprises:
 a complex rotating body, the direction of a magnetic flux of which faces an axial direction of a frame;   a front driver disposed in a circumferential direction around the complex rotating body at a certain interval in the axial direction of the complex rotating body and the frame such that the direction of the magnetic flux is disposed in an axial diameter direction of the frame;   a lower rear driver;   an upper rear driver;   a frame equipped with the front driver, the lower rear driver, and the upper rear driver and supporting the rotation of the complex rotating body; and   a fixture for fixing the complex rotating body to the frame.   
     
     
         3 . The air expanding apparatus of  claim 2 , wherein:
 the frame has 2n (n is an integer equal to or larger than 4) permanent magnet holes formed in the circumferential axial direction around the complex rotating body at a uniform interval in alignment with a front reference point and a rear reference point on the front surface and the rear surface based on the axis of the circular-shaped body;   the frame has a mounting space of the complex rotating body inside the inner circumferential surface thereof and a bearing cooling space of a concentric shape formed in the front direction on the circumferential axial of the rear surface thereof, such that any one of a grease lubrication type bearing, an oil lubrication type bearing, an air cooling type bearing and a magnetic bearing can be mounted therein; and   the frame comprises a protrusion formed on the outer circumferential surface of the body such that a mounting surface of the expander case, fixing seating surfaces, bolt holes for fixing the upper rear driver, and installation supports are provided.   
     
     
         4 . The air expanding apparatus of  claim 2 , wherein the complex rotating body comprises:
 a front rotator disposed in an orthogonal direction to the front driver at a certain interval in the axial direction of the frame such that the direction of the magnetic flux is disposed toward the axial direction of the frame;   a rear rotator disposed in an orthogonal direction to the lower rear driver and the upper rear driver at a certain interval in the axial direction of the frame such that the direction of the magnetic flux is disposed toward the axial direction of the frame;   a bearing module supporting the rotation of the expander, the front rotator, and the rear rotator; and   lock nuts fixing the expander, the front rotator, and the rear rotator to the bearing module.   
     
     
         5 . The air expanding apparatus of  claim 4 , wherein the bearing module comprises:
 a rotational axis comprising a bearing mounting surface, a bearing fixing step, and a key groove formed on the outer circumferential surface of the body of a round bar shape and comprising a screw thread at both ends thereof;   a bearing comprising any one of a grease lubrication type bearing, an oil lubrication type bearing, an air cooling type bearing, and a magnetic bearing; and   keys fixing the status.   
     
     
         6 . The air expanding apparatus of  claim 4 , wherein the front rotator comprises:
 a front rotational plate having a cylindrical protrusion protruding from the center of the body having a disc shape in a backward direction, having a key groove formed in the inner circumferential surface thereof and fixing the status, having 2n (hereinafter, n is an integer equal to or larger than 2) permanent magnet holes formed in the rear surface of the body in alignment with the key groove and formed at a uniform interval on the axial line of the circumference, and having a shape in which the permanent magnets are buried in the permanent magnet holes of the front rotational plate on which the mounting surface of the expander and the blades are radially formed at a uniform interval; and   2n permanent magnets disposed such that N-pole and S-pole are alternately buried in the permanent magnet holes of the front rotational plate in alignment with the key groove and the magnetic flux is disposed toward the axial direction of the frame.   
     
     
         7 . The air expanding apparatus of  claim 4 , wherein the rear rotator comprises:
 a rear rotational plate having a cylindrical protrusion protruding from the center of the body having a disc shape in forward and backward directions, having a key groove formed in the inner circumferential surface thereof and fixing the status, and having 2n (hereinafter, n is an integer equal to or larger than 2) permanent magnet holes formed in alignment with the key groove and formed at a uniform interval on the axial line of the circumference of the body; and   2n permanent magnets disposed such that N-pole and S-pole are alternately buried in the permanent magnet holes of the rear rotational plate in alignment with the key groove and the magnetic flux is disposed toward the axial direction of the frame.   
     
     
         8 . The air expanding apparatus of  claim 2 , wherein the front driver comprises 2n (n is an integer equal to or larger than 4) permanent magnets which are buried in the permanent magnet holes in the front surface of the frame such that N-pole and S-pole are alternately disposed in alignment with a front reference point of the frame and the magnetic flux is disposed toward an axial diameter direction of the frame. 
     
     
         9 . The air expanding apparatus of  claim 2 , wherein the lower rear driver comprises 2n (n is an integer equal to or larger than 4) permanent magnets which are buried in the permanent magnet holes in the rear surface of the frame such that N-pole and S-pole are alternately disposed in alignment with a rear reference point of the frame and the magnetic flux is disposed toward an axial diameter direction of the frame. 
     
     
         10 . The air expanding apparatus of  claim 4 , wherein the upper rear driver comprises:
 an upper fixing support having a cylindrical body, one side surface of which is closed and the inner circumferential surface of which has 2n (hereinafter, n is an integer equal to or larger than 4) permanent magnet holes formed at a uniform interval in alignment with a reference point in a circumferential axial direction around the rear rotator and having a protrusion in the outer circumferential surface of the body to form bolt holes for fixing to the frame;   2n permanent magnets buried in the permanent magnet holes of the upper fixing support such that N-pole and S-pole are alternately disposed in alignment with the reference point and the magnetic flux is disposed toward the axial diameter direction of the frame; and   bolts fixed to the frame.   
     
     
         11 . The air expanding apparatus of  claim 4 , wherein in the rotating body accelerator, the upper rear driver comprises:
 an upper fixing support having a cylindrical body, one side surface of which is closed and the inner circumferential surface of which has 2n (n is an integer equal to or larger than 4) permanent magnet holes formed at a uniform interval in alignment with a reference point in a circumferential axial direction and a circumferential axial diameter direction around the rear rotator and having a protrusion in the outer circumferential surface of the body to form bolt holes for fixing to the frame;   2n permanent magnets (n is an integer equal to or larger than 4) and driver coils formed by solidifying a coil assembly wound around a coil former with resin, the magnetic flux of which is disposed toward an axial diameter direction of the frame, or driver coils buried in the permanent magnet and coil holes of the upper fixing support such that at least 1n (n is an integer equal to or larger than 2) coils are disposed in the permanent magnet and coil holes, N-pole and S-pole are alternately disposed in alignment with the reference point and the magnetic flux is disposed toward the axial diameter direction of the frame; and   bolts fixed to the frame.   
     
     
         12 . The air expanding apparatus of  claim 4 , wherein in the rotating body accelerator, the magnetic flux of the rear rotator of the complex rotating body is disposed toward an axial diameter direction of the frame, and the magnetic fluxes of the lower rear driver and the upper rear driver are disposed toward an axial direction of the frame. 
     
     
         13 . The air expanding apparatus of  claim 12 , wherein the rear rotator of the complex rotating body comprises:
 a rear rotational plate having the cylindrical protrusion protruding in forward and backward directions from the center of the body having a cylindrical shape, one side of which is closed, having a key groove formed in the inner circumferential surface thereof and fixing the status, and having 2n (hereinafter, n is an integer equal to or larger than 2) permanent magnet holes formed in alignment with the key groove and formed at a uniform interval in an axial direction of the frame; and   2n permanent magnets disposed such that N-pole and S-pole are alternately buried in the permanent magnet holes of the rear rotational plate in alignment with the key groove and the magnetic flux is disposed toward the axial diameter direction of the frame.   
     
     
         14 . The air expanding apparatus of  claim 12 , wherein the upper rear driver comprises:
 an upper fixing support having a cylindrical body, one side surface of which is closed and the inner surface of the closed surface of which has 2n (hereinafter, n is an integer equal to or larger than 4) permanent magnet holes formed at a uniform interval in alignment with a reference point in a circumferential axial direction around the rear rotator and having a protrusion in the outer circumferential surface of the body to form bolt holes for fixing to the frame;   2n permanent magnets buried in the permanent magnet holes of the upper fixing support such that N-pole and S-pole are alternately disposed in alignment with the reference point and the magnetic flux is disposed toward the axial direction of the frame; and   bolts fixed to the frame.   
     
     
         15 . The air expanding apparatus of  claim 4 , wherein:
 the expander has 2n (hereinafter, n is an integer equal to or larger than 2) permanent magnet holes formed on the axial line of the circumference at a uniform interval in alignment with a reference point on the rear surface of a circular plate of the body;   2n permanent magnets are buried in the permanent magnet holes such that N-pole and S-pole are alternately disposed in the reference point in an axial direction of the frame, or 2n magnet coatings are disposed at a uniform interval in alignment with the reference point on the rear surface of the circular plate such that N-pole and S-pole are alternately disposed on the axial line of the circumference; and   in the rotating body accelerator, the complex rotating body uses the front rotator as a spacer; and   the frame has 2n (n is an integer equal to or larger than 4) permanent magnet holes formed at a uniform interval in alignment with a front reference point on the front surface thereof and formed in a circumferential axial direction around the expander.   
     
     
         16 . The air expanding apparatus of  claim 4 , wherein the rotating body accelerator is added with a front driving device comprising:
 a front fixing support having a cylindrical body, having 2n (hereinafter, n is an integer equal to or larger than 4) permanent magnet holes formed at a uniform interval in alignment with a reference point in one side surface of the body on the same axial line of the circumference as the permanent magnet holes in the front surface of the frame, and having an expander case mounting surface and bolt holes for fixing to the frame in the other side surface of the body;   2n permanent magnets buried in the permanent magnet holes of the front fixing support such that N-pole and S-pole are alternately disposed in alignment with the reference point and the magnetic flux is disposed toward the axial diameter direction of the frame;   and the bolts fixed to the frame.   
     
     
         17 . The air expanding apparatus of  claim 4 , wherein:
 the rotating body accelerator is added with a relay module;   the upper rear driver produces three-phase AC power; and   three-phase AC power produced by the upper rear driver is converted into DC power to be transmitted to the storage battery by the relay module.   
     
     
         18 . The air expanding apparatus of  claim 17 , wherein the upper rear driver comprises:
 an upper fixing support having a cylindrical body, one side surface of which is closed and the inner surface of the closed surface of which has 3n (hereinafter, n is an integer equal to or larger than 2) coil holes formed at a uniform interval in alignment with a reference point on the same axial line of the circumference as the permanent magnet holes of the rear rotator and having a protrusion in the outer circumferential surface of the body to form bolt holes for fixing to the frame;   3n armature coils buried in three-phase arrangement in the coil holes of the upper fixing support in alignment with the reference point and formed by solidifying a coil assembly wound around a three-phase connected coil former with resin; and   bolts fixed to the frame.   
     
     
         19 . The air expanding apparatus of  claim 17 , wherein the relay module comprises:
 a rectifier converting three-phase alternating current power into direct current power;   a first relay outputting power when an output voltage reaches a certain voltage effective for charging of the storage battery and thus a contact is closed;   a second relay connected to an output side of the first relay to transmit generation power to the storage battery and preventing the storage battery from being overcharged by transmitting generation power to a load dummy when the output voltage reaches a voltage effective for charge of the storage battery and the contact is opened;   the load dummy consuming generation power received from the first and second relays;   a reverse current preventing device for preventing a reversal of a current from the storage battery;   fuses;   an installation member mounted with the first and second relays, the reverse current preventing device, and the fuses; and   a case.   
     
     
         20 . The air expanding apparatus of  claim 4 , wherein in the rotating body accelerator, the complex rotating body comprises one of the front rotator and the rear rotator. 
     
     
         21 . The air expanding apparatus of  claim 1 , further comprising an integral air filter case comprising:
 an air filter upper case embedded with the rotating body accelerator equipped with the expander and the expander case;   a connection tube;   an air filter; and   an air filter lower case.