A linear compressor comprising a cylinder part including a cylinder bore. A piston disposed in, and is slidable within, the bore. A main spring connects the cylinder part directly or indirectly to the piston. A connecting rod connects between the main spring and the piston. A stator has an air gap,
A linear compressor comprising a cylinder part including a cylinder bore. A piston disposed in, and is slidable within, the bore. A main spring connects the cylinder part directly or indirectly to the piston. A connecting rod connects between the main spring and the piston. A stator has an air gap, and the connecting rod passes through the air gap. At least one armature pole is located along the connecting rod.
대표청구항▼
1. A low profile linear compressor comprising: a cylinder part including a cylinder housing, a cylinder bore in said cylinder housing, a cylinder head at one end of said cylinder housing and a stator having a pair of opposed winding carrying stator parts, each connected to said cylinder housing at a
1. A low profile linear compressor comprising: a cylinder part including a cylinder housing, a cylinder bore in said cylinder housing, a cylinder head at one end of said cylinder housing and a stator having a pair of opposed winding carrying stator parts, each connected to said cylinder housing at an end opposite said cylinder head with a stator air gap between said opposed winding carrying stator parts,a piston disposed in said cylinder bore and slidable therein,a main spring located at an end of said stator away from said cylinder head, connected to said piston and said cylinder part,a linear connecting rod having a first end coupled to said main spring, a second opposite end coupled to said piston, said linear connecting rod passing through said stator air gap between said opposed winding carrying stator parts, said first and second ends of said linear connecting rod are linearly aligned with said stator air gap, andan armature mounted along said linear connecting rod within said stator air gap of said stator and connected with said linear connecting rod, said armature formed of permanent magnet material magnetized to define at least one armature pole,wherein a clamping spring connects between the ends of said opposed winding carrying stator parts that are away from said cylinder housing, a pair of securing members extend from said cylinder housing to connect between said clamping spring and said cylinder part above and below said air gap, and said clamping spring presses said opposed winding carrying stator parts against said cylinder housing. 2. The low profile linear compressor as claimed in claim 1 wherein each of said opposed winding carrying stator parts bear against a side of each of said securing members, such that above and below said stator air gap separation of said opposed winding carrying stator parts is maintained by the width of said securing members. 3. A low profile linear compressor comprising: a cylinder part including a cylinder bore, and a stator comprising opposed stator parts having a stator air gap between said opposed stator parts,a piston disposed in said bore and slidable therein,a main spring connected to said cylinder part,a linear connecting rod having a first end coupled to said main spring, a second opposite end coupled to said piston, said linear connecting rod passing through said stator air gap between said opposed stator parts, said first and second ends of said linear connecting rod are linearly aligned with said stator air gap,andone or more flat blocks of permanent magnet material mounted along said linear connecting rod with large flat faces of said blocks facing the stator, said permanent magnet material magnetized to define at least one armature pole,wherein said cylinder part includes a cylinder housing around said cylinder bore, and said opposed stator parts are separately located against the said cylinder housing, andwherein a clamping spring connects between the ends of said opposed stator parts that are away from said cylinder housing and a pair of securing members extend from said cylinder part to connect between said clamping spring and said cylinder housing above and below said stator air gap, and said clamping spring presses said opposed stator parts against said cylinder housing. 4. The low profile linear compressor as claimed in claim 3 wherein each of said opposed stator parts bear against a side of each of said securing members, such that above and below said stator air gap separation of said opposed stator parts is maintained by the width of said securing members. 5. A low profile linear compressor comprising: a cylinder part including a cylinder bore, and a stator having an air gap between stator parts,a piston disposed in said bore and slidable therein,a main spring connected to said cylinder part,a connecting rod connecting said main spring and said piston via said air gap of said stator, andat least one armature pole located along said connecting rod,wherein said connecting rod is supported only by said piston at one end and only by said main spring at an other end,wherein said cylinder part includes a cylinder housing around said cylinder bore and said stator has two winding carrying stator parts which are located on opposite sides of said air gap, said winding carrying stator parts being separately located against said cylinder housing, andwherein a clamping spring connects between the ends of said winding carrying stator parts that are away from said cylinder housing and a pair of securing members extend from said cylinder housing to connect between said clamping spring and said cylinder housing above and below said air gap, and said clamping spring presses said winding carrying stator parts against said cylinder housing. 6. The low profile linear compressor as claimed in claim 5 wherein each of said winding carrying stator parts bear against a side of each of said securing members, such that above and below said air gap separation of said winding carrying stator parts is maintained by the width of said securing members. 7. A spring adapted to be used in a linear compressor, the spring connecting between a cylinder and piston part of the linear compressor, the spring comprising: a continuous loop of high fatigue strength metal wire comprising first and second helical sections of substantially constant radius of curvature arranged in a double helix on a common axis so that the spring forms a circle in a plane perpendicular to the axis, each helical section having axially-separated ends with the respective ends of the first and second helical sections at a first axially-separated end curved towards the axis so that they are radially aligned on a first diameter of the circle and the respective ends of the first and second helical sections at a second axially-separated end curved towards the axis so that they are radially aligned on a second diameter of the circle, said helical sections having the same direction of curvature moving from said first diameter to said second diameter. 8. The spring as claimed in claim 7, further comprising a mounting bar connected with said first diameter and a pair of lugs extending outwardly in the direction of orientation of said first diameter. 9. The spring as claimed in claim 7, further comprising a plastic composite mounting button molded over at least one of the diameters. 10. The spring as claimed in claim 7, further comprising a transition section at each connection between said first and second diameters and said first and second helical sections, each said transition section aligning at one end with its respective said diameter and at the other end with its respective said helical section and curved between said ends with a curvature reducing toward said diameter. 11. The spring as claimed in claim 7 wherein a direction of orientation of said first diameter is perpendicular to a direction of orientation of said second diameter.
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