KR880011469A - Refrigerant compressor - Google Patents

Abstract

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Description

Refrigerant compressor

Since this is an open matter, no full text was included.

1 is a front sectional view of a first embodiment of a compressor according to the present invention;

3 is a front sectional view of a second embodiment according to the present invention.

4 is a front sectional view of a fourth embodiment according to the present invention.

6 is a sectional front view of a fifth embodiment according to the present invention.

Claims (14)

A cylinder block having a plurality of cylinders and a crank chamber, and a piston reciprocally installed in the cylinder so as to be circumferentially provided with a rocking plate, a drive rotor, and a drive rotor for driving the drive rotor. A front end plate on the compressor housing having a driving shaft, an inclined plate of an inclined surface connected to the driving rotor with an adjustable inclination angle at a position close to the oscillating plate, a bearing for rotatably supporting the driving shaft, a suction chamber; A rear end plate having a discharge chamber and installed at the other end of the compressor housing through the valve plate, a central opening formed in the cylinder block and rotatably supporting the drive shaft, and fitted into the central opening to drive the drive shaft. Adjustment screw for adjusting the axial position, and from the crank chamber to the suction chamber Compressor housing consisting of a communication path to be connected, and a valve adjusting means for adjusting the opening and closing operation of the communication path, the inclination angle of the inclined plate can be changed in accordance with the pressure change in the crank chamber, the pressure change is A fluctuation plate-type refrigerant compressor of a type which is achieved by the valve means for adjusting the opening and closing of a communication path, and the stroke of the piston in the cylinder can be achieved by adjusting the inclination angle of the inclined plate, wherein the communication path is the central opening. It is made by a first hole provided in the, and the front chamber is interlocked with the rear chamber, a groove is formed in the end surface of the cylinder block in contact with the valve plate to connect the rear chamber to the second hole formed in the valve plate And one end of the groove is connected to the suction chamber. The swing plate-type refrigerant compressor according to claim 1, wherein the valve adjustment means is located in a chamber formed in the cylinder block and connected to one end of the groove and the second hole. The swing plate-type refrigerant compressor according to claim 1, wherein the valve adjusting means is located in the suction chamber. 3. The swing plate-type refrigerant compressor according to claim 2, wherein the valve adjusting means is a bellows valve which is sensitive to pressure in the crank chamber. 4. The swing plate type refrigerant compressor according to claim 3, wherein the valve adjusting means is a bellows valve sensitive to the pressure of the suction chamber. The swing plate type refrigerant compressor according to claim 3, wherein the valve adjusting means is an electromagnetic valve. The swing plate-type refrigerant compressor according to claim 1, wherein the first hole is formed in an inner edge surface of the central opening. The swing plate-type refrigerant compressor according to claim 1, wherein the first hole is formed on an outer edge surface of the adjusting screw. The swing plate-type refrigerant compressor according to claim 1, wherein a ring wedge is disposed between the adjustment screw and the inner end of the drive shaft. The swing plate-type refrigerant compressor according to claim 1, wherein a ring-shaped thrust bearing is disposed between the adjusting screw and the inner end of the drive shaft. And a compressor housing having a crank chamber and a suction chamber therein and a communication path communicating the crank chamber and the suction chamber, wherein the communication path is formed on one end of the cylinder block in contact with the valve plate. A swing plate-type refrigerant compressor having a form in which a rear chamber of a central opening is connected to a suction chamber, wherein the swing plate-type refrigerant compressor is provided with valve adjusting means for opening and closing the communication path. 12. The swing plate-type refrigerant compressor according to claim 11, wherein the valve adjusting means is located in a chamber formed in the cylinder block and is connected to the groove. 13. The swing plate-type refrigerant compressor according to claim 12, wherein the valve adjusting means is located in the suction chamber. The swing plate-type refrigerant compressor according to claim 13, wherein the valve adjusting means is a bellows valve operated according to the pressure of the crank chamber. ※ Note: The disclosure is based on the initial application.