WO2016171309A1 - 양두 사판식 압축기 및 실린더 블록의 제작방법 - Google Patents
양두 사판식 압축기 및 실린더 블록의 제작방법 Download PDFInfo
- Publication number
- WO2016171309A1 WO2016171309A1 PCT/KR2015/005216 KR2015005216W WO2016171309A1 WO 2016171309 A1 WO2016171309 A1 WO 2016171309A1 KR 2015005216 W KR2015005216 W KR 2015005216W WO 2016171309 A1 WO2016171309 A1 WO 2016171309A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- journal bearing
- swash plate
- cylinder block
- refrigerant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0804—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B27/0821—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication
- F04B27/0826—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication particularities in the contacting area between cylinder barrel and valve plate
- F04B27/083—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication particularities in the contacting area between cylinder barrel and valve plate bearing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
- F04B27/0891—Component parts, e.g. sealings; Manufacturing or assembly thereof casings, housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
- F04B27/0895—Component parts, e.g. sealings; Manufacturing or assembly thereof driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/1036—Component parts, details, e.g. sealings, lubrication
- F04B27/1054—Actuating elements
- F04B27/1063—Actuating-element bearing means or driving-axis bearing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/12—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having plural sets of cylinders or pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1095—Construction relative to lubrication with solids as lubricant, e.g. dry coatings, powder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/121—Use of special materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/128—Porous bearings, e.g. bushes of sintered alloy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/16—Sliding surface consisting mainly of graphite
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/007—Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/50—Lubricating properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/50—Lubricating properties
- F16C2202/52—Graphite
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/10—Alloys based on copper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/30—Alloys based on one of tin, lead, antimony, bismuth, indium, e.g. materials for providing sliding surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/30—Fluoropolymers
- F16C2208/32—Polytetrafluorethylene [PTFE]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
Definitions
- the present invention relates to a two-head swash plate compressor and a manufacturing method of a cylinder block, and more particularly, to a manufacturing method for manufacturing a journal bearing and a cylinder block in contact with a shaft.
- a vehicle air conditioner is a device that maintains a temperature inside a car lower than an external temperature by using a refrigerant, and includes a compressor, a condenser, and an evaporator to configure a circulation cycle of the refrigerant.
- the compressor is a device for compressing and pumping refrigerant, and is operated by the power of an engine or the driving of a motor.
- a disk-shaped swash plate is installed on a shaft that receives power of an engine.
- a plurality of pistons are installed along the circumference of the swash plate via a shoe, and when the swash plate rotates, the plurality of pistons suck and compress the refrigerant by reciprocating linearly in the plurality of cylinder bores formed in the cylinder block.
- a valve plate intermittent between the housing and the cylinder block to intake and discharge the refrigerant.
- Conventional double head swash plate compressor is used to minimize the wear and friction caused by the rotation of the shaft by installing a sliding bearing between the shaft and the shaft bore, but in the case of the sliding bearing is made of a metal material formed with a fluoroplastic coating layer refrigerant
- the sliding bearing is made of a metal material formed with a fluoroplastic coating layer refrigerant
- the present invention has been made in order to solve the above problems, the journal bearing made in contact with the shaft of the double-head swash plate compressor made of a sintered alloy and the double-headed swash plate type to form pores so that oil contained in the refrigerant flows in and out It is intended to provide a method of manufacturing a compressor and a cylinder block.
- the double head swash plate compressor includes a plurality of piston bores disposed radially, between a piston reciprocating in the piston bore and the plurality of piston bores.
- a cylinder block including a shaft bore disposed therein, the shaft bore having a plurality of refrigerant supply holes communicating the respective piston bores and the compression chamber defined by the pistons;
- a swash plate mounted obliquely with respect to the shaft and connected to the plurality of pistons;
- a journal bearing disposed between the inner wall of
- the cylinder block is formed for the journal bearing to be inserted, and includes a groove formed relatively longer than the length of the journal bearing.
- the groove portion is characterized in that the stepped portion is formed so as to be spaced apart from the opposite surface of the journal bearing.
- the journal bearing may have a through hole aligned with the coolant supply hole, and the through hole and the coolant supply hole may be inclined with respect to the longitudinal direction of the shaft bore.
- the shaft further includes a coating layer formed on an outer circumferential surface opposite to the inner circumferential surface of the journal bearing.
- the journal bearing is characterized in that the air porosity is 5 to 20% of the total volume.
- the journal bearing is characterized in that the air porosity is 7% of the total volume.
- the journal bearing is characterized in that made of a sintered material.
- the sintered material is characterized in that it comprises copper, tin and graphite.
- the journal bearing is characterized in that it comprises solid lubricants.
- the solid lubricant may optionally contain one or a combination of graphite or mica or talc or boric acid or zinc oxide or lead oxide or sulfur or molybdenum disulfide or polytetrafluoroethylene (PTFE) or hexagonal boric acid (hBN). It is characterized by being used.
- the cylinder block is spaced apart from the outer circumferential surface of the shaft with a first distance (a) on the basis of the state inserted into the shaft, and oil contained in the refrigerant flows into or is stored in the shaft at the first distance (a). An oil film is formed.
- the journal bearing is inserted in a state where a second gap b is formed inside the shaft bore, and oil included in the refrigerant is introduced or stored at the second gap b to form an oil film on the shaft.
- the shaft is characterized in that the coating layer 21 is formed on the outer peripheral surface and the coating layer is formed of Teflon (Teflon) coating.
- the journal bearing is made of 89% copper, 10% tin and 1% graphite.
- the journal bearing is characterized by consisting of 87% copper, 10% tin and 3% graphite.
- the two-head swash plate type compressor includes a plurality of piston bores disposed radially, a piston reciprocating in the piston bore, and a cylindrical shaft bore disposed between the plurality of piston bores.
- Cylinder block ; A front housing and a rear housing respectively coupled to the front and rear of the cylinder block to form a discharge chamber; A shaft formed therein in communication with the suction space disposed between the discharge chambers and transferring the refrigerant introduced into the suction space into the piston bore;
- a swash plate mounted obliquely with respect to the shaft and connected to the plurality of pistons; And a journal bearing disposed between the inner wall of the shaft bore and the shaft, the journal bearing made of a sintered material, wherein a space S between the shaft outer circumferential surface and the inner circumferential surface of the shaft bore is formed, and the space S Is in communication with the suction space.
- the cylinder block is formed to insert the journal bearing, and comprises a groove formed relatively longer than the length of the journal bearing, the space (S) is characterized in that it extends to the groove.
- the groove portion is formed with a stepped to be spaced apart from the opposite surface of the journal bearing, characterized in that the fluid introduced into the space (S) is introduced into the journal bearing side through the step.
- the sintered material is characterized in that it comprises copper, tin and graphite.
- the two-head swash plate type compressor includes a plurality of piston bores disposed radially, a piston disposed between the piston reciprocating in the piston bore and the plurality of piston bores.
- a cylinder block comprising a shaft bore; A front housing and a rear housing respectively coupled to the front and rear of the cylinder block to form a discharge chamber; A shaft formed therein in communication with the suction space disposed between the discharge chambers and transferring the refrigerant introduced into the suction space into the piston bore; A swash plate mounted obliquely with respect to the shaft and connected to the plurality of pistons; And a journal bearing disposed between the inner wall of the shaft bore and the shaft, the journal bearing consisting of 89% copper, 10% tin and 1% graphite and having an air porosity of 7% of the total volume.
- the two-head swash plate type compressor according to the fourth embodiment of the present invention is characterized in that the refrigerant moves when the shaft rotates and the positions of the through holes formed in the refrigerant discharge hole and the journal bearing coincide with each other.
- a method of manufacturing a cylinder block according to a fifth embodiment of the present invention includes a plurality of piston bores disposed radially, a piston reciprocating inside the piston bore and a cylindrical shaft bore disposed between the plurality of piston bores.
- the hole machining step ST300 may include advancing the hole machining tool in a direction inclined with respect to the longitudinal direction of the shaft bore (ST310).
- the inclination angle for the hole processing in the hole processing step (ST300) is characterized in that the processing is made at an inclination angle of 70 degrees or 65 ⁇ 75 degrees.
- Impregnating the cylinder block (ST400) is characterized in that it comprises a step of immersing the cylinder block in a resin of a liquid state and then withdrawing (ST410).
- Preparing the cylinder block (ST100) includes a step (ST110) for processing to a first processing length based on the inner longitudinal direction of the shaft bore.
- Preparing the cylinder block (ST100) includes processing (ST120) to maintain a first inner diameter tolerance between the outer diameter of the journal bearing and the inner diameter of the shaft bore.
- the journal bearing is made of 89% copper, 10% tin, and 1% graphite, and the air porosity is 7% of the total volume.
- Double-head swash plate type compressor can be made of a journal bearing made of a sintered alloy and to form pores through which oil contained in the refrigerant can flow in and out, thereby achieving stable lubrication even under lubricating conditions.
- Journal bearing according to an embodiment of the present invention can improve the productivity and economy at the same time through improving the workability of the operator and lowering the defective rate because the precision is improved even when performing the hole processing for the movement of the refrigerant.
- FIG. 1 is an exploded perspective view of a two-head swash plate compressor according to a first embodiment of the present invention.
- Figure 2 is a perspective view of the combined double head swash plate compressor according to the first embodiment of the present invention.
- Figure 3 is a perspective view showing a state in which the journal bearing is inserted into the cylinder block according to the first embodiment of the present invention.
- FIG. 4A is a perspective view illustrating an operation state of a shaft and a journal bearing in a two head swash plate type compressor according to a first embodiment of the present invention in an initially unlubricated state;
- Figure 4b is an operating state diagram showing a state in which oil flows to the shaft through the pores formed in the journal bearing after Figure 4a.
- 4C is a perspective view illustrating a state in which oil flows into the pores of the journal bearing in a state in which the double head swash plate compressor is stopped after FIG. 4B;
- FIG. 5 is a longitudinal cross-sectional view of a double head swash plate compressor according to a second embodiment of the present invention.
- Figure 6 is a perspective view showing a state in which the journal bearing is inserted into the cylinder block according to the second embodiment of the present invention.
- FIG. 7 is a longitudinal cross-sectional view of a double head swash plate compressor according to a third embodiment of the present invention.
- FIG 8 is a perspective view showing a state in which the journal bearing is inserted into the cylinder block according to the third embodiment of the present invention.
- FIG. 9 is a flowchart illustrating a method of manufacturing a cylinder block according to another embodiment of the present invention.
- FIG. 10 is an enlarged view of the cylinder block and the pores formed in the cylinder block of the present invention.
- FIG. 1 is an exploded perspective view of a double-head swash plate compressor according to the first embodiment of the present invention
- Figure 2 is a combined perspective view of a double-head swash plate compressor according to the first embodiment of the present invention
- Figure 3 is 4 is a perspective view illustrating a state in which a journal bearing according to a first embodiment is inserted into a cylinder block
- FIG. 4A illustrates an operation of a shaft and a journal bearing in a state in which the double head swash plate compressor according to the first embodiment of the present invention is initially unlubricated. It is a perspective view showing the state.
- the double head swash plate compressor 1 includes a cylinder block 10 in which a plurality of piston bores 12 are formed based on a shaft bore 11, and a cylinder block 10 of the cylinder block 10.
- the front housing 2 and the rear housing 3 coupled to the front and rear, respectively, the shaft 20 installed through the front housing 2 and the cylinder block 10, and the rotation of the shaft 20
- the cylinder block 10 includes a compression unit (4) for compressing the working fluid.
- the cylinder block 10 includes a front cylinder block 10a and a rear cylinder block 10b which are coupled in a state facing each other, and at the inner center of the front cylinder block 10a and the rear cylinder block 10b.
- the shaft 20 is mounted via the center of the shaft bore 11.
- the double head swash plate compressor 1 is disposed between a plurality of radially arranged piston bores 12, a piston 6 reciprocating in the piston bore 12 and the plurality of piston bores 12.
- a cylinder comprising a shaft bore (11), wherein the shaft bore (11) is provided with a plurality of refrigerant supply holes (13) communicating the respective piston bores (12) and the compression chamber defined by the piston (6).
- the passage 22 formed to move the refrigerant, the refrigerant inflow hole 23 through which the refrigerant in the suction space communicates with the suction space in the cylinder block 10 and the refrigerant introduced through the refrigerant inflow hole 23
- the refrigerant discharge hole 24 discharged is formed Prompt (20), are mounted inclined with respect to the the shaft 20, the swash plate 5 is coupled to the plurality of pistons (6); And a journal bearing 30 disposed between the inner wall of the shaft bore 11 and the shaft 20, the journal bearing 30 made of a porous material, between the outer circumferential surface of the shaft 20 and the inner circumferential surface of the shaft bore 11.
- the interval of is formed larger than the interval between the outer peripheral surface of the shaft 20 and the inner peripheral surface of the journal bearing 30.
- the distance between the outer circumferential surface of the shaft 20 and the inner circumferential surface of the shaft bore 11 is greater than the distance between the outer circumferential surface of the shaft 20 and the inner circumferential surface of the journal bearing 30.
- the reason for this formation is closely related to the arrangement relationship between the cylinder block 10 and the journal bearing 30.
- the front end and the rear part are based on the longitudinal direction of the shaft 20 by the journal bearing 30. The state in close contact with each end is maintained, and spaced apart from the inner circumferential surface of the shaft bore 11 of the cylinder block 10 with a first distance a.
- journal bearing 30 since the inner surface of the journal bearing 30 and the outer circumferential surface of the shaft 20 remain in close contact, direct friction due to the rotation of the shaft 20 is mainly achieved through the journal bearing 30.
- the piston bores 12 are spaced apart at regular intervals in the circumferential direction about the shaft bore 11, and a plurality of the bores 12 are arranged in the state shown in the drawing.
- the cylinder block 10 is spaced apart from the inner circumferential surface of the shaft bore 11 with a first spacing a based on a state inserted into the shaft 20, and included in the refrigerant at the first spacing a. Since oil is introduced or stored to form an oil film on the shaft 20, when the shaft 20 is rotated, friction due to direct contact with the cylinder block 10 is minimized.
- the first interval (a) is not particularly limited to a specific interval, but the first interval (a) spaced through simulation is set to form a stable oil film by oil, but is spaced at an interval of about 2 mm, for example.
- the journal bearing 30 is inserted in a state in which a second gap b is formed inside the shaft bore 11, and oil included in the refrigerant is introduced or stored in the second gap b so that the shaft 20 is formed.
- An oil film is formed in the c), and the second gap b corresponds to a spaced distance between one surface of the journal bearing 20 in the step 15 to be described later.
- the second gap b may stably maintain oil film formation due to the rotation of the shaft 20 because oil included in the refrigerant flows in or is stored therein, and leaks of the refrigerant generated along the outer circumferential surface of the shaft 20. It can be prevented or minimized to minimize the problems caused by refrigerant leakage and direct wear of the shaft 20 even when using a long-term double-head swash plate compressor (1).
- journal bearing 30 since one end of the journal bearing 30 is not in close contact with the step 15, the journal bearing 30 is inserted, so that the insertion pressure does not increase rapidly in the position adjacent to the step 15, the journal Since the bearing 30 can be stably inserted, insertion safety is improved and breakage light deformation of the journal bearing 30 is minimized.
- the second gap b is not necessarily limited to the gap shown in the drawings, and the journal bearing (B) is in close contact with the second gap b shown in the drawing without being held in the process of press-fitting the journal bearing 30.
- the second gap b may be unformed.
- the coolant inlet hole 23 is disposed at a position spaced in the longitudinal direction from the center or the center of the shaft 20 in this case, in this case along the passage 22 formed in the shaft 20 on the left and right with reference to the drawings Refrigerant can be moved to the shortest distance toward each other to shorten the copper wire according to the movement of the refrigerant and to simplify the structure, thereby improving operation safety and processability.
- the cylinder block 10 includes a coolant supply hole 13 through which the coolant is moved by opening the inclined portions from the shaft bore 11 toward the plurality of piston bores 12, respectively, the coolant supply hole 13 being a piston bore.
- the hole processing is performed to the refrigerant supply hole 13 of the shaft bore 11 at one time to improve the workability of the operator and opening Improved hole matching, improved machining accuracy and minimized burrs. Therefore, the coolant supply hole 13 and the through hole 32 can be processed at once.
- the through hole 32 and the coolant supply hole 13 are processed at a first inclination angle toward the shaft 20, and the first inclination angle may be processed at an inclination angle of about 70 degrees or about 65 degrees to about 75 degrees.
- the cylinder block 10 has a groove 14 formed relatively longer than the length of the journal bearing 30 in order to insert the journal bearing 30, and the groove 14 has one surface of the journal bearing 30. Steps 15 are formed to be spaced apart from each other at a predetermined distance.
- the journal bearing 30 is inserted into grooves 14 formed in the front cylinder block 10 and the rear cylinder block 10, respectively.
- the groove 14 is formed for insertion of the journal bearing 30, the open length of which extends relatively longer than the length of the journal bearing 30, for example, when the reference length of the groove 14 is referred to as L Since it is extended relatively longer than 1 ⁇ 2mm can be made a stable insertion of the journal bearing (30).
- the journal bearing 30 protrudes toward the inner center of the shaft bore 11 with the journal bearing 30 inserted therein. Therefore, the friction due to the stable insertion and rotation of the shaft 20 is minimized.
- the shaft 20 according to the present embodiment is made relative to the inner circumferential surface of the journal bearing 30, the coating layer 21 to minimize the friction and wear caused by the rotation and to minimize the damage to the outer circumferential surface of the shaft 20 Is formed.
- the coating layer 21 may be formed only on the outer circumferential surface in contact with the inner circumferential surface of the journal bearing 30 or the entire outer circumferential surface, and is not particularly limited to a specific section.
- the coating layer 21 is made of, for example, Teflon (Teflon) coating and the thickness is not particularly limited, but the optimum thickness is set through simulation.
- the journal bearing 30 is forcibly pushed forward from the rear of the groove 14 toward the front, for which the press bearing is pressed against the journal bearing 30 through a separate press unit.
- the journal bearing 30 is formed by compressing and molding a powder of metal having a specific composition ratio to a high pressure of several tons or more without using a separate lubricant or a composition for lubrication for stable lubrication due to the shaft 20. It is formed of a sintered alloy sintered under the conditions, in the case of the journal bearing 30 according to the present embodiment may be made of 89% copper, 10% tin and 1% graphite, for example.
- journal bearing 30 When the journal bearing 30 is manufactured by using a sintered alloy, the journal bearing 30 is formed by heating at a high temperature above the melting point or melting point of copper, tin, and graphite, and thus wear occurs due to direct friction with the shaft 20. As the tensile strength is improved, structural safety and strength are maintained even in the long term use.
- the initial tin is melted first to form pores between copper, and the air porosity of the journal bearing 30 is It may be at least 7% based on the total volume.
- the porosity is a ratio of the volume in which the empty space is formed based on the total volume of the journal bearing 30, and assuming that the total volume of the journal bearing 30 is 100%, the ratio of porosity (empty space) is at least 7%. Means.
- the overall strength of the journal bearing 30 is changed according to the porosity. As the porosity increases, the strength of the journal bearing 30 is relatively weak, and as the porosity decreases, the strength of the journal bearing 30 is relatively. Is increased.
- the reason for forming the porosity having a certain percentage in the journal bearing 30 is that the initial circumferential surface of the journal bearing 30 in which friction occurs directly with the shaft 20 at the initial stage when the two-head swash plate compressor is operated in a stationary state is provided. This is to perform stable lubrication due to friction when the oil-free lubrication state is maintained without a separate oil for lubrication.
- Journal bearing 30 may be made of 87% copper, 10% tin and 3% graphite and the strength may vary slightly depending on the composition ratio of copper and graphite, but the effect is similar to the above-described embodiment.
- the cylinder block 10 has a shaft bore 11 in which a shaft 20 is inserted at a central position, and a plurality of piston bores 12 are arranged in the state shown in the drawing based on the shaft bore 11. .
- the cylinder block 10 includes a refrigerant supply hole 13 which is respectively opened in the shaft bore 11 toward the plurality of piston bores 12 and the refrigerant moves, all of which have the same diameter. And the position is also opened towards the piston bore 12.
- the coolant supply holes 13 are opened at equal intervals from each other, the coolant is not uniformly supplied to the piston bore 12 positioned at a specific position, and a predetermined amount of coolant is uniformly supplied as the shaft 20 rotates. A more detailed description will be given below with reference to the shaft 20.
- initial power is supplied to the double-head swash plate type compressor and the shaft 20 is rotated to a specific Alp.
- lubrication is performed by friction with the inner circumferential surface of the journal bearing 30 due to the coating layer 21 formed on the outer circumferential surface of the shaft 20.
- the refrigerant is contained in the refrigerant without using a separate lubricant for lubrication between the inner circumferential surface of the journal bearing 30 and the shaft 20.
- Stable lubrication between the shaft 20 and the journal bearing 30 can be performed using oil, thereby preventing wear of the contact surface where friction between the shaft 20 and the journal bearing 30 is generated, even when used for a long time. Durability is improved.
- the oil flowing into or out of the pores formed in the journal bearing 30 is continuously circulated according to the positional pressure difference generated between the shaft 20 and the journal bearing 30. Is moved.
- the journal bearing 30 preferably has a porosity of the aforementioned 7% for stable lubrication between the shafts 20 described above, but in another embodiment, at least 5% of the total volume of the journal bearing 30 is 20 It may be made of any one of porosity within the percentage and is not particularly limited to a specific porosity.
- the refrigerant discharge hole 24 is disposed at a position spaced apart from the front and rear with respect to the refrigerant inlet hole 23 disposed at one central side in the longitudinal direction of the shaft 20.
- the journal bearing 30 is positioned in surface contact with the outer circumferential surface of the refrigerant discharge hole 24, and the journal bearing 30 is disposed at the position where the refrigerant moves into the double head swash plate compressor.
- the shaft 20 and the journal bearing 30 and the piston correspond to the position where the refrigerant supply hole 13 is formed to supply the refrigerant to the piston bore 12 along the passage 22 formed in the shaft 20 in the path. Stable movement of the coolant towards the bore 12 takes place.
- the coolant inlet hole 23 is positioned substantially at the center of the shaft 20 in the longitudinal direction, and the coolant discharge hole 24 through which the supplied coolant is discharged is spaced apart from the coolant inlet hole at about the same distance. Therefore, the refrigerant and oil of a uniform flow rate can be supplied to each piston disposed at both ends of the cylinder block.
- the oil mixed in the refrigerant in the process of passing through the inside of the shaft is attached to the inner wall surface of the shaft is separated from the refrigerant.
- the amount of oil mixed in the refrigerant discharged from the refrigerant discharge holes may be greatly different from each other. Since the distance of the hole is kept substantially constant, the degree of oil separation can be taken evenly. Through this, it is possible to achieve a uniform degree of compression in the plurality of cylinders provided in the compressor. In addition, the lubrication performance of the two journal bearings disposed at both ends of the cylinder block can be maintained uniformly.
- the journal bearing 30 includes a through hole 32 opened at a position corresponding to the coolant supply hole 13, and the through hole 32 is a coolant supply hole 13 based on the center of the journal bearing 30. It is opened at a position coinciding with.
- the through hole 32 is formed to move the refrigerant and the hole is made in a state in which the cylinder block 10 is placed in a separate processing jig (not shown) for processing.
- journal bearing 30 is formed of a sintered alloy as described above, its own strength is stably maintained, thereby minimizing the occurrence of burrs in the process of processing the through holes 32, and after processing, the journal bearing 30 As the outer circumferential surface is processed smoothly, the worker's workability and workability can be improved and the incidence of defective products can be minimized.
- Journal bearing 30 comprises solid lubricants, which may be graphite or mica or talc or boric acid or zinc oxide or lead oxide or sulfur or molybdenum disulfide or polytetrafluoroethylene (PTFE) or hexagonal. Any one or a combination of two or more of nitrate boric acid (hBN) is optionally used.
- solid lubricants which may be graphite or mica or talc or boric acid or zinc oxide or lead oxide or sulfur or molybdenum disulfide or polytetrafluoroethylene (PTFE) or hexagonal. Any one or a combination of two or more of nitrate boric acid (hBN) is optionally used.
- Journal bearing 30 can be lubricated with the shaft 20 by using the oil contained in the refrigerant through the above-described porosity, but for a more stable operation when the two-head swash plate compressor is operated in a stationary state Any one of the solid lubricants listed is optionally used. In this case, it is possible to perform stable lubrication at the initial stage in which friction is performed without lubrication with the shaft 20 without using a separate oil for lubrication.
- both the shaft 20 and the journal bearing 30 contain a solid lubricant, stable lubrication is performed for a predetermined time even in the absence of oil, and thus wear and friction until the oil contained in the refrigerant flows out through the pores. Damage to the journal bearing 30 is prevented and lubrication performance is improved.
- the double head swash plate type compressor includes a front housing 2 and a rear housing 3 mounted on the front and rear of the cylinder block 10, and includes a compression unit 4 for compressing the refrigerant according to the rotation of the shaft 20.
- the compression unit 4 includes a swash plate 5 inserted into the shaft 20 and a plurality of pistons reciprocating linearly in the piston bore 12 according to the rotation of the swash plate 5. 6).
- the swash plate 5 converts the rotational force of the shaft 20 into a linear reciprocating motion of the piston 6, and when the shaft 20 is rotated, the swash plate 5 is also rotated and the shaft 20 as shown in the figure. It is disposed to be inclined in one direction based on.
- a double head swash plate compressor according to a second embodiment of the present invention will be described with reference to the drawings.
- the double head swash plate compressor 1a includes a plurality of radially arranged piston bores 120 and a piston reciprocating in the piston bore 120. 6) and a cylinder block 100 including a cylindrical shaft bore 110 disposed between the plurality of piston bores 120 and the front and rear of the cylinder block 100, respectively, to form a discharge chamber. And a passage 220 communicating with the suction space disposed between the front housing 2 and the rear housing 3 and the discharge chamber therein, and the refrigerant flowing into the suction space into the piston bore 120.
- a space S is formed, and the space S is in communication with the suction space.
- the double head swash plate compressor according to the present embodiment has the same configuration as the cylinder block and the shaft, and minimizes wear and breakage through stable lubrication of the shaft through the space portion S, and provides durability even when the double head swash plate compressor is used for a long time. I want to improve.
- the cylinder block 100 is formed to insert the journal bearing 300, and includes a groove portion 14 formed relatively longer than the length of the journal bearing 30, the space portion (S) is It extends up to the groove 140.
- the space S is a space formed between the outer circumferential surface of the shaft 200 and the inner circumferential surface of the shaft bore 110 and is kept spaced apart at a predetermined interval to the outside of the shaft 200. Since the oil contained in the refrigerant introduced through S) is moved to the groove 140, it is possible to prevent stable lubrication and abrasion of the shaft 200 due to the rotation of the shaft 200.
- the space portion is in communication with a suction space into which the refrigerant to be compressed first flows. Oil is mixed in the refrigerant introduced into the suction space, and the mixed oil is separated and collected in the suction space. Due to the communication between the suction space and the space portion in which a large amount of oil exists, a sufficient amount of oil can be smoothly introduced into the space portion, and the oil thus introduced is transferred to the groove portion to promote lubrication of the journal bearing. It becomes possible.
- the groove 140 has a stepped portion 150 formed to be spaced apart from one surface of the journal bearing 300 facing each other, and the fluid introduced into the space S passes through the stepped portion 150 and the journal bearing ( 300, the oil may stay in the space formed between the stepped 150 and the journal bearing 300, even when the shaft 200 is rotated in the state where the double-head swash plate compressor (1a) is suspended in the air. Stable lubrication can be performed to improve durability.
- the journal bearing 300 includes a through hole 320 opened at a position corresponding to the coolant supply hole 130, and the through hole 320 is a coolant supply hole 130 based on the center of the journal bearing 300. It is opened at a position coinciding with.
- the through hole 320 is formed to move the refrigerant and the hole processing is made in a state in which the cylinder block 100 is placed in a separate processing jig (not shown) for processing.
- journal bearing 300 Since the journal bearing 300 is formed of a sintered alloy, its own strength is stably maintained, thereby minimizing the occurrence of burrs in the process of processing the through hole 320, and smoothing the inner and outer circumferential surfaces of the through hole even after processing. As it is processed, worker's workability and workability can be improved and the incidence of defective products can be minimized.
- a double head swash plate compressor according to a third embodiment of the present invention will be described with reference to the drawings.
- the double head swash plate compressor 1b includes a plurality of radially arranged piston bores 120a and a piston reciprocating in the piston bore 120a. 6) and a cylinder block 100a including a cylindrical shaft bore 110a disposed between the plurality of piston bores 120a, and coupled to the front and rear of the cylinder block 100a, respectively, to form a discharge chamber.
- the front housing 2 and the rear housing 3 and a passage 220a communicating with the suction space disposed between the discharge chambers are formed therein, and the refrigerant flowing into the suction space into the piston bore 120a.
- a swash plate 5 mounted obliquely with respect to the shaft 200a and connected to the plurality of pistons 6;
- the cylinder block 100a and the shaft 200a have the same configuration, and the ratio of copper, tin, and graphite constituting the journal bearing 300a has a specific ratio. Since the strength of the journal bearing 300a can be maintained at a specific strength because it is made of a minimum of 7%, even when friction occurs with the shaft 200a for a long time, problems due to wear can be minimized and stable lubrication can be performed.
- journal bearing 300a since the wear and breakage of the journal bearing 300a is prevented, it is possible to improve the lubrication performance due to friction and to stably rotate the shaft 200a.
- the journal bearing 300a includes a through hole 320a opened at a position corresponding to the coolant supply hole 130a, and the through hole 320a is a coolant supply hole 130a based on the center of the journal bearing 300a. It is opened at a position coinciding with.
- the through hole 320a is formed to move the refrigerant, and the hole processing is performed in a state in which the cylinder block 100a is placed in a separate processing jig (not shown) for processing.
- journal bearing 300a is formed of a sintered alloy as described above, its own strength is stably maintained, thereby minimizing the occurrence of burrs in the process of processing the through holes 320a, and after processing, As the outer circumferential surface is processed smoothly, the worker's workability and workability can be improved and the incidence of defective products can be minimized.
- the positions of the through holes 32, 320, 320a formed in the refrigerant discharge holes 24, 240, 240a and the journal bearings 30, 300, 300a are rotated while the shafts 20, 200, 200a rotate.
- the air conditioner is matched, the refrigerant moves, so that the positions of the refrigerant discharge holes 24, 240, 240a and the through holes 32, 320, 320a correspond to the speed at which the shafts 20, 200, 200a rotate, and a plurality of piston bores 12, 120, 120a are provided. Is fed towards.
- the refrigerant discharge hole 24 and the through hole 32 is preferably formed in a similar or the same diameter so that the refrigerant is stably supplied, through which the stable movement and compression of the refrigerant can be simultaneously achieved, thereby operating efficiency of the two-head swash plate type compressor. Improvement and stable movement of the refrigerant can be achieved at the same time.
- a method of manufacturing a cylinder block according to a fifth embodiment of the present invention will be described with reference to the drawings.
- the present invention is characterized in that the manufacturing method for the journal bearing is inserted into the cylinder block and the wear occurs in accordance with the rotational friction directly with the shaft and is mounted on the cylinder block.
- a method of manufacturing a cylinder block according to the present embodiment includes a plurality of piston bores disposed radially, a piston disposed between the piston reciprocating inside the piston bore and the plurality of piston bores.
- molten metal is injected into a prefabricated manufacturing mold. Since the shape of the cylinder block is not a simple shape, the cylinder block is molded through a die casting method.
- the die casting to the cylinder block After the die casting to the cylinder block is made, it is placed inside a chamber (not shown), heat treatment is performed at a predetermined temperature to stabilize the crystal structure, and boring is performed on the shaft bore into which the shaft is to be inserted.
- the machining is carried out to the first machining length based on the inner longitudinal direction of the shaft bore (ST110). It is possible to prevent the phenomenon that the end is exposed to the outside of the cylinder block when inserting the journal bearing into the inside of the shaft bore by processing relatively longer than the length of.
- the first machining length is processed relatively longer than the length of the journal bearing and is numerically processed to extend longer than Nmm.
- a first inner diameter tolerance is maintained between the outer diameter of the journal bearing and the inner diameter of the shaft bore (ST120).
- the first inner diameter tolerance is processed to a tolerance within ⁇ 0.01 mm, so that the journal bearing is pressed into the shaft bore.
- the pressed-in state in the form of interference fit is maintained stably so that the inserted state in the shaft bore is stably maintained regardless of the rotation of the shaft. Therefore, the bondability of the journal bearing is improved and the tolerance management is made accurately, thereby improving the manufacturability of the cylinder block and the quality of the product are kept constant.
- Journal bearings are formed using sintered alloys, for example, 89% copper, 10% tin, and 1% graphite, or a composition ratio of any one of 87% copper, 10% tin, and 3% graphite. .
- the journal bearing is produced by compression molding the above-described metal powder composed of copper, tin, and graphite to a high pressure of several hundred tons or more, and then sintering at high temperature conditions, and when forming a journal bearing using a production method using a small alloy. Since the tensile strength is improved without the problems caused by abrasion due to the direct friction with the shaft, structural safety and strength are kept constant even in long-term use.
- the air porosity of the journal bearing can be made up to 7% of the total volume, and the pores formed in this way can inflow or outflow of the oil contained in the refrigerant.
- An oil film for lubrication is stably formed between the inner circumferential surfaces of the journal bearing. This can minimize wear and damage to journal bearings over long periods of time.
- the journal bearing is press-fitted into the shaft bore by pressing while the journal bearing is partially inserted into the shaft bore, and the outer diameter tolerance of the journal bearing is processed to a tolerance within ⁇ 0.01 mm.
- the state in which the shaft is forcedly pressed into the shaft bore is maintained, so that the journal bearing does not escape to the outside of the shaft bore even when the shaft is rotated to a specific ALPM.
- hole processing is performed (ST300). Since the piston bores are arranged in the circumferential direction with respect to the shaft bore, the hole is inclined in the longitudinal direction of the journal bearing. Processed. In the hole processing (ST300), the inclination angle for the hole processing is made of the inclination angle of 70 degrees or 65 ⁇ 75 degrees.
- journal bearings are made of sintered alloy, which brings about the above effect and improves the stable operation and durability of the double swash plate compressor.
- the cylinder block machined in this manner is roughened to the top, bottom and side surfaces of the cylinder block after it is moved through a forklift or separate transport means. Then, the front cylinder block and the rear cylinder block (not shown) are assembled with each other, and the finishing machining of the shaft bore and the piston bore is performed.
- the cylinder block is impregnated with the surface generated during die casting molding in a state in which foreign matter remaining on the surface is minimized through a separate washing and drying process (ST400).
- Journal bearing according to this embodiment is made of 89% copper, 10% tin and 1% graphite, the air porosity is made of at least 7% based on the total volume and the effect thereof has already been described above Description is omitted.
- journal bearings 30, 300, and 300a according to the present embodiment are formed of a sintered material as described above, when the cross section is checked by magnifying with an electron microscope, pores formed in an unspecified size and shape are distributed. Therefore, when the oil contained in the refrigerant stays in the pores or the heat is transferred while the shaft is rotated, the oil may flow out from the pores toward the shaft, thereby achieving stable lubrication of the shaft.
- the present invention can be used for a double head swash plate compressor in which a journal bearing is installed.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims (33)
- 방사상으로 배치되는 다수 개의 피스톤 보어(12)와, 상기 피스톤 보어(12)의 내부에서 왕복 운동하는 피스톤(6) 및 상기 다수 개의 피스톤 보어(12) 사이에 배치되는 샤프트 보어(11)를 포함하되, 상기 샤프트 보어(11)에는 상기 각각의 피스톤 보어(12)와 상기 피스톤(6)에 의해 정의되는 압축실을 연통시키는 다수 개의 냉매 공급 홀(13)이 형성된 실린더 블록(10);상기 실린더 블록(10)의 전방 및 후방에 각각 결합되어 토출실의 적어도 일부를 형성하는 전방 하우징(2) 및 후방 하우징(3);상기 샤프트 보어(11)에 삽입되며, 내부에 냉매가 이동하도록 형성된 통로(22)와, 상기 실린더 블록(10) 내의 흡입공간과 연통하여 흡입공간 내의 냉매가 유입되는 냉매 유입 홀(23) 및 상기 냉매 유입 홀(23)을 통해 유입된 냉매가 배출되는 냉매 배출 홀(24)이 형성된 샤프트(20);상기 사프트(20)에 대해 경사지게 장착되며, 상기 다수 개의 피스톤(6)과 연결된 사판(5); 및상기 샤프트 보어(11)의 내벽과 상기 샤프트(20) 사이에 배치되며, 다공성 재질로 이루어진 저널 베어링(30)을 포함하고,상기 샤프트(20)의 외주면과 상기 샤프트 보어(11)의 내주면 사이의 간격이 상기 샤프트(20) 외주면과 상기 저널 베어링(30)의 내주면 사이의 간격보다 크게 형성된 양두 사판식 압축기.
- 제1 항에 있어서,상기 실린더 블록(10)은,상기 저널 베어링(30)이 삽입되기 위해 형성되고, 상기 저널 베어링(30)의 길이 보다 상대적으로 길게 형성된 홈부(14)를 포함하는 양두 사판식 압축기.
- 제2 항에 있어서,상기 홈부(14)에는,상기 저널 베어링(30)의 마주보는 일면과 이격되도록 배치된 단턱(15)이 형성된 것을 특징으로 하는 양두 사판식 압축기.
- 제1 항에 있어서,상기 저널 베어링(30)은,상기 냉매 공급 홀(13)과 정렬되는 통공(32)이 형성되고, 상기 통공(32)과 냉매 공급 홀(13)은 상기 샤프트 보어(11)의 길이 방향에 대해서 경사지게 배치된 것을 특징으로 하는 양두 사판식 압축기.
- 제1 항에 있어서,상기 샤프트(20)는,상기 저널 베어링(30)의 내주면과 대향하는 외주면에 형성된 코팅층(21)을 더 포함하는 양두 사판식 압축기.
- 제1항에 있어서,상기 저널 베어링(30)은 기공도(air porosity)가 전체 부피의 5 ~ 20%인 것을 특징으로 하는 양두 사판식 압축기.
- 제1항에 있어서,상기 저널 베어링(30)은 기공도(air porosity)가 전체 부피의 7%인 것을 특징으로 하는 양두 사판식 압축기.
- 제1항에 있어서,상기 저널 베어링(30)은 소결 재질로 이루어지는 것을 특징으로 하는 양두 사판식 압축기.
- 제8항에 있어서,상기 소결 재질은 구리, 주석 및 흑연을 포함하는 것을 특징으로 하는 양두 사판식 압축기.
- 제8항에 있어서,상기 저널 베어링(30)은 고체 윤활제(solid lubricants)를 포함하는 것을 특징으로 하는 양두 사판식 압축기.
- 제9항에 있어서,상기 고체 윤활제는,흑연 또는 운모 또는 활석 또는 붕산 또는 산화아연 또는 산화연 또는 황 또는 이황화몰리브덴 또는 폴리테트라프루오르에틴렌(PTFE) 또는 육방정질화붕산(hBN) 중의 어느 하나 또는 둘 이상의 조합이 선택적으로 사용되는 것을 특징으로 하는 양두 사판식 압축기.
- 제1 항에 있어서,상기 실린더 블록(10)은,상기 샤프트(20)에 삽입된 상태를 기준으로 상기 샤프트 보어(11)의 내주면과 제1 간격(a)을 갖고 이격되고, 상기 제1 간격(a)으로 냉매에 포함된 오일이 유입되거나 저장되어 상기 샤프트(20)에 유막이 형성되는 양두 사판식 압축기.
- 제1 항에 있어서,상기 저널 베어링(20)은,상기 샤프트 보어(11)의 내측과 제2 간격(b)이 형성된 상태로 삽입되고, 상기 제2 간격(b)으로 냉매에 포함된 오일이 유입되거나 저장되어 상기 샤프트(20)에 유막이 형성되는 양두 사판식 압축기.
- 제1 항에 있어서,상기 샤프트(20)는외주면에 코팅층(21)이 형성되고 상기 코팅층은 테프론(Teflon) 코팅으로 형성된 것을 특징으로 하는 양두 사판식 압축기.
- 제1 항에 있어서,상기 저널 베어링은,구리 89%와 주석10%과 흑연 1%로 이루어진 것을 특징으로 하는 양두 사판식 압축기.
- 제1 항에 있어서,상기 저널 베어링(30)은,구리 87%와 주석10%과 흑연 3%로 이루어진 것을 특징으로 하는 양두 사판식 압축기.
- 제1 항에 있어서,상기 흡입공간은 상기 전방 및 후방 하우징에 의해 형성되는 두 개의 토출실 사이에 배치되고, 상기 냉매 유입 홀은 상기 샤프트 양단에 인접하여 배치되는 냉매 배출 홀들 사이에 배치되는 것을 특징으로 하는 양두 사판식 압축기.
- 제17 항에 있어서,상기 냉매 유입 홀로부터 상기 각각의 냉매 배출 홀 사이의 거리가 대략 동일한 것을 특징으로 하는 양두 사판식 압축기.
- 제4 항에 있어서,상기 통공과 상기 냉매 배출 홀이 중첩되지 않은 경우에 샤프트 내부의 냉매가 상기 저널 베어링의 내벽면과 대향하도록 상기 냉매 배출 홀들을 배치한 것을 특징으로 하는 양두 사판식 압축기.
- 방사상으로 배치되는 다수 개의 피스톤 보어(120)와, 상기 피스톤 보어(120) 내부에서 왕복 운동하는 피스톤(6) 및 상기 다수 개의 피스톤 보어(120) 사이에 배치되는 원통형의 샤프트 보어(110)를 포함하는 실린더 블록(100);상기 실린더 블록(100)의 전방 및 후방에 각각 결합되어 토출실을 형성하는 전방 하우징(2) 및 후방 하우징(3);상기 토출실 사이에 배치되는 흡입공간과 연통되는 통로(220)가 내부에 형성되어, 흡입공간으로 유입된 냉매를 상기 피스톤 보어(120) 내로 전달하는 샤프트(200);상기 사프트(200)에 대해 경사지게 장착되며, 상기 다수 개의 피스톤(6)과 연결되는 사판(5); 및상기 샤프트 보어(110)의 내벽과 상기 샤프트(200) 사이에 배치되며, 소결 재질로 이루어지는 저널 베어링(300)을 포함하고,상기 샤프트(200) 외주면과 상기 샤프트 보어(110)의 내주면 사이의 공간부(S)가 형성되고, 상기 공간부(S)는 상기 흡입공간과 연통되는 양두 사판식 압축기.
- 제20항에 있어서,상기 실린더 블록(100)은,상기 저널 베어링(300)이 삽입되기 위해 형성되고, 상기 저널 베어링(300)의 길이 보다 상대적으로 길게 형성된 홈부(140)를 포함하고, 상기 공간부(S)는 상기 홈부(140)까지 연장되는 것을 특징으로 하는 양두 사판식 압축기.
- 제20항에 있어서,상기 홈부(140)에는,상기 저널 베어링(300)의 마주보는 일면과 이격되도록 배치된 단턱(150)이 형성되고,상기 공간부(S)로 유입된 유체는 상기 단턱(150)을 지나 상기 저널 베어링(300)측으로 유입되는 것을 특징으로 하는 양두 사판식 압축기.
- 제20항에 있어서,상기 소결 재질은 구리, 주석 및 흑연을 포함하는 것을 특징으로 하는 양두 사판식 압축기.
- 방사상으로 배치되는 다수 개의 피스톤 보어(120a)와, 상기 피스톤 보어(120a) 내부에서 왕복 운동하는 피스톤(6) 및 상기 다수 개의 피스톤 보어(120a) 사이에 배치되는 원통형의 샤프트 보어(110a)를 포함하는 실린더 블록(100a);상기 실린더 블록(100a)의 전방 및 후방에 각각 결합되어 토출실을 형성하는 전방 하우징(2) 및 후방 하우징(3);상기 토출실 사이에 배치되는 흡입공간과 연통되는 통로(220a)가 내부에 형성되어, 흡입공간으로 유입된 냉매를 상기 피스톤 보어(120a) 내로 전달하는 샤프트(200a);상기 사프트(200a)에 대해 경사지게 장착되며, 상기 다수 개의 피스톤(6)과 연결되는 사판(5); 및상기 샤프트 보어(110a)의 내벽과 상기 샤프트(200a) 사이에 배치되며, 구리 89%와 주석10%와 흑연 1%로 이루어지고, 기공도(air porosity)가 전체 부피를 기준으로 최소 7%로 이루어진 저널 베어링(300a)을 포함하는 양두 사판식 압축기.
- 제1 항 내지 제24 항에 따른 양두 사판식 압축기는 상기 샤프트(20,200,200a)가 회전하면서 상기 냉매 배출 홀(24,240,240a)과 상기 저널 베어링(30,300,300a)에 형성된 통공(32,320,320a)의 위치가 서로 간에 일치될 경우 냉매가 이동되는 것을 특징으로 하는 양두 사판식 압축기.
- 방사상으로 배치되는 다수 개의 피스톤 보어와, 상기 피스톤 보어 내부에서 왕복 운동하는 피스톤 및 상기 다수 개의 피스톤 보어 사이에 배치되는 원통형의 샤프트 보어를 포함하는 실린더 블록을 준비하는 단계(ST100);소결 재질로 이루어진 저널 베어링을 상기 샤프트 보어 양단에 삽입하는 단계(ST200); 및상기 저널 베어링이 샤프트 보어에 삽입된 상태에서 홀 가공하여 저널 베어링에 통공을 형성하고, 상기 실린더 블럭에는 상기 샤프트 보어와 피스톤 보어를 연통시키는 홀 가공 단계(ST300)를 포함하는 실린더 블록의 제조방법.
- 제26항에 있어서,상기 홀 가공 단계(ST300)는,홀 가공용 툴을 상기 샤프트 보어의 길이방향에 대해서 경사진 방향으로 전진시키는 단계(ST310)를 포함하는 것을 특징으로 하는 실린더 블록의 제조방법.
- 제26항에 있어서,상기 홀 가공 단계(ST300)에서 홀 가공을 위한 경사 각도는 70도 또는 65 ~ 75도의 경사각도로 가공이 이루어지는 것을 특징으로 하는 실린더 블록의 제조방법.
- 제26 항에 있어서,상기 저널 베어링에 대해 상기 실린더 블록을 함침하는 단계(ST400)를 더 포함하는 실린더 블록의 제조방법.
- 제26 항에 있어서,상기 실린더 블록을 함침하는 단계(ST400)는 상기 실린더 블록을 액체 상태의 수지에 침지시킨 후 인출하는 단계(ST410)를 포함하는 것을 특징으로 하는 실린더 블록의 제조방법.
- 제26 항에 있어서,상기 실린더 블록을 준비하는 단계(ST100)는,상기 샤프트 보어의 내측 길이 방향을 기준으로 제1 가공 길이로 가공을 실시하는 단계(ST110)를 포함하는 실린더 블록의 제작방법.
- 제26 항에 있어서,상기 실린더 블록을 준비하는 단계(ST100)는,상기 저널 베어링의 외경과 상기 샤프트 보어의 내경 사이에 제1 내경 공차가 유지되도록 가공하는 단계(ST120)를 포함하는 실린더 블록의 제작방법.
- 제26 항에 있어서,상기 저널 베어링은,구리 89%와 주석10%과 흑연 1%로 이루어지고, 기공도(air porosity)가 전체 부피의 7%로 이루어진 것을 특징으로 하는 실린더 블록의 제작방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016519802A JP6391682B2 (ja) | 2015-04-24 | 2015-05-22 | 両頭斜板式圧縮機およびシリンダブロックの製作方法 |
| US15/026,631 US10167858B2 (en) | 2015-04-24 | 2015-05-22 | Double-headed swash type compressor and method for manufacturing cylinder block |
| CN201580002029.6A CN106332550B (zh) | 2015-04-24 | 2015-05-22 | 双头斜盘式压缩机及气缸体的制作方法 |
| DE112015000189.1T DE112015000189B4 (de) | 2015-04-24 | 2015-05-22 | Doppelköpfiger Taumelplattenkompressor mit Gleitlager aus porös gesinterten Material und Verfahren zur Herstellung eines Zylinderblocks |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0058196 | 2015-04-24 | ||
| KR1020150058196A KR102118595B1 (ko) | 2015-04-24 | 2015-04-24 | 양두 사판식 압축기 및 실린더 블록의 제작방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016171309A1 true WO2016171309A1 (ko) | 2016-10-27 |
Family
ID=57143368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2015/005216 Ceased WO2016171309A1 (ko) | 2015-04-24 | 2015-05-22 | 양두 사판식 압축기 및 실린더 블록의 제작방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10167858B2 (ko) |
| JP (1) | JP6391682B2 (ko) |
| KR (1) | KR102118595B1 (ko) |
| CN (1) | CN106332550B (ko) |
| DE (1) | DE112015000189B4 (ko) |
| WO (1) | WO2016171309A1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518330B (zh) * | 2018-03-26 | 2019-06-28 | 北京海松元汽车部件有限公司 | 一种斜盘式空调压缩机防磨损养护方法 |
| KR102315673B1 (ko) * | 2019-12-31 | 2021-10-22 | 경성시험기주식회사 | 고속진동 발생용 액추에이터 |
| CN119508359B (zh) * | 2024-11-12 | 2025-10-28 | 福州大学 | 一种带支撑框架固液复合自润滑轴承及其制备方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5253576A (en) * | 1992-02-07 | 1993-10-19 | Bethke Donald G | Swashplate assembly for an axial piston pump |
| US20030108436A1 (en) * | 2001-12-06 | 2003-06-12 | Noriyuki Shintoku | Lubricating structure in fixed displacement piston type compressor |
| KR100813761B1 (ko) * | 2001-12-24 | 2008-03-13 | 한라공조주식회사 | 사판식 압축기의 축 지지베어링 윤활구조 |
| JP2013145026A (ja) * | 2012-01-16 | 2013-07-25 | Ntn Corp | 圧縮機用滑り軸受および圧縮機 |
| KR20140065466A (ko) * | 2011-10-07 | 2014-05-29 | 다이호 고교 가부시키가이샤 | 스크롤 컴프레서 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5338243B1 (ko) * | 1970-12-23 | 1978-10-14 | ||
| JPS525002B2 (ko) | 1972-04-05 | 1977-02-09 | ||
| JPS5338243A (en) | 1976-09-21 | 1978-04-08 | Nec Corp | Antenna equipment |
| JPH079046B2 (ja) | 1984-07-07 | 1995-02-01 | トヨタ自動車株式会社 | 銅系焼結体 |
| US5087181A (en) * | 1989-03-06 | 1992-02-11 | Hitachi, Ltd. | Sliding structure such as compressor or the like |
| JPH04334776A (ja) * | 1991-05-10 | 1992-11-20 | Toyota Autom Loom Works Ltd | 斜板式圧縮機 |
| JPH06192783A (ja) * | 1992-12-25 | 1994-07-12 | Toshiba Corp | 焼結摺動部材およびその製造方法 |
| JPH0763165A (ja) * | 1993-08-24 | 1995-03-07 | Nippondenso Co Ltd | 斜板型圧縮機 |
| DE69514994T3 (de) * | 1994-03-16 | 2008-07-03 | Taiho Kogyo Co., Ltd., Toyota | Taumelscheibe für taumelscheibenverdichter |
| JP2002349437A (ja) * | 2001-05-24 | 2002-12-04 | Toyota Industries Corp | 圧縮機 |
| JP4096703B2 (ja) | 2001-11-21 | 2008-06-04 | 株式会社豊田自動織機 | ピストン式圧縮機における冷媒吸入構造 |
| JP4042554B2 (ja) * | 2001-12-21 | 2008-02-06 | 株式会社豊田自動織機 | 圧縮機および圧縮機の潤滑方法 |
| JP2003247486A (ja) | 2001-12-21 | 2003-09-05 | Toyota Industries Corp | ピストン式圧縮機における潤滑構造 |
| US7220057B2 (en) * | 2002-02-15 | 2007-05-22 | Brueninghaus Hydromatik Gmbh | Rotation-slide bearing |
| JP2003247487A (ja) * | 2002-02-21 | 2003-09-05 | Sanden Corp | 斜板式圧縮機 |
| JP3861771B2 (ja) | 2002-08-23 | 2006-12-20 | 千住金属工業株式会社 | 平軸受およびその製造方法 |
| CN102773488A (zh) | 2006-01-16 | 2012-11-14 | 奥依列斯工业株式会社 | 铜类烧结滑动部件 |
| CN101187396A (zh) * | 2007-11-30 | 2008-05-28 | 洛阳轴研科技股份有限公司 | 一种由粉末冶金材料制作的高速自润滑含油轴承 |
| KR101742101B1 (ko) * | 2010-12-06 | 2017-05-31 | 한온시스템 주식회사 | 사판식 압축기 |
| JP5240311B2 (ja) | 2011-03-15 | 2013-07-17 | 株式会社豊田自動織機 | ピストン式圧縮機のシリンダブロックおよびピストン式圧縮機のシリンダブロック加工方法 |
| JP5640885B2 (ja) * | 2011-05-10 | 2014-12-17 | オイレス工業株式会社 | スクロール型圧縮機 |
| JP2012246831A (ja) * | 2011-05-27 | 2012-12-13 | Toyota Motor Corp | 内燃機関の冷却構造、シリンダブロック及びシリンダブロックの製造方法 |
| WO2014156856A1 (ja) * | 2013-03-25 | 2014-10-02 | Ntn株式会社 | 焼結軸受の製造方法、焼結軸受、およびそれを備えた振動モータ |
-
2015
- 2015-04-24 KR KR1020150058196A patent/KR102118595B1/ko active Active
- 2015-05-22 JP JP2016519802A patent/JP6391682B2/ja active Active
- 2015-05-22 CN CN201580002029.6A patent/CN106332550B/zh active Active
- 2015-05-22 DE DE112015000189.1T patent/DE112015000189B4/de active Active
- 2015-05-22 US US15/026,631 patent/US10167858B2/en active Active
- 2015-05-22 WO PCT/KR2015/005216 patent/WO2016171309A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5253576A (en) * | 1992-02-07 | 1993-10-19 | Bethke Donald G | Swashplate assembly for an axial piston pump |
| US20030108436A1 (en) * | 2001-12-06 | 2003-06-12 | Noriyuki Shintoku | Lubricating structure in fixed displacement piston type compressor |
| KR100813761B1 (ko) * | 2001-12-24 | 2008-03-13 | 한라공조주식회사 | 사판식 압축기의 축 지지베어링 윤활구조 |
| KR20140065466A (ko) * | 2011-10-07 | 2014-05-29 | 다이호 고교 가부시키가이샤 | 스크롤 컴프레서 |
| JP2013145026A (ja) * | 2012-01-16 | 2013-07-25 | Ntn Corp | 圧縮機用滑り軸受および圧縮機 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20160126735A (ko) | 2016-11-02 |
| US10167858B2 (en) | 2019-01-01 |
| US20180030970A1 (en) | 2018-02-01 |
| DE112015000189B4 (de) | 2025-01-16 |
| DE112015000189T5 (de) | 2017-03-09 |
| CN106332550B (zh) | 2019-03-26 |
| KR102118595B1 (ko) | 2020-06-04 |
| JP6391682B2 (ja) | 2018-09-19 |
| CN106332550A (zh) | 2017-01-11 |
| JP2017520702A (ja) | 2017-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016171309A1 (ko) | 양두 사판식 압축기 및 실린더 블록의 제작방법 | |
| WO2010064824A2 (ko) | 슬라이딩베어링 및 슬라이딩베어링 조립체 | |
| JP5419392B2 (ja) | 転がり軸受装置 | |
| WO2011078499A2 (ko) | 슬라이딩 베어링 및 슬라이딩 베어링 조립체 | |
| EP2301689A1 (en) | Method of casting iron-based alloy in semi-melted or semi-hardened state and mold for casting | |
| KR20100132919A (ko) | 실린더 블록 및 실린더 블록의 제조 방법 | |
| WO2017195915A1 (ko) | 열용사코팅 및 초음파 나노크리스탈 표면개질을 이용한 표면처리방법 | |
| US20150211514A1 (en) | Piston rod for a piston compressor, and the piston compressor | |
| WO2022065815A1 (ko) | 휘발성 윤활제 공급부를 포함하는 파우치형 전지케이스 성형 장치 및 이를 이용한 파우치형 전지케이스의 제조 방법 | |
| WO2011071196A1 (ko) | 타이타늄합금 볼트 제조설비 및 이를 이용한 타이타늄 합금볼트의 제조방법 | |
| KR100519708B1 (ko) | 대형 모터용 크랭크샤프트 베어링 | |
| KR102774235B1 (ko) | 슬라이딩 부재 | |
| WO2019117471A1 (en) | Compressor | |
| WO2019027206A1 (ko) | 외부윤활층을 가지는 부시 베어링 및 그의 제조 방법 및 이를 적용한 스크롤 압축기 | |
| WO2019160239A1 (ko) | 금속링 단조 장치 | |
| GB2180915A (en) | Piston and cylinder apparatus | |
| KR20000022347A (ko) | 디젤형 내연기관용 피스톤 링 및/또는 피스톤 및 디젤기관의시운전 방법 | |
| WO2023038293A1 (ko) | 스크롤 압축기 | |
| WO2014098320A1 (ko) | 다이캐스팅 금형장치 | |
| CN108533605B (zh) | 具有复合耐磨表面的液压马达曲柄连杆及制备方法 | |
| WO2020231183A1 (ko) | 공작기계용 냉각수 직분사 툴홀더 | |
| RU2154545C2 (ru) | Уплотнительное и направляющее устройство для нагнетательного поршня горячекамерного насоса для коррозионных сплавов | |
| JPH04105761A (ja) | ダイカストマシン | |
| CN223662373U (zh) | 一种组装式滑动轴承 | |
| JP2747757B2 (ja) | セラミックススリーブを内装した円筒部品 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENP | Entry into the national phase |
Ref document number: 2016519802 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1120150001891 Country of ref document: DE Ref document number: 112015000189 Country of ref document: DE |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15889975 Country of ref document: EP Kind code of ref document: A1 |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 15889975 Country of ref document: EP Kind code of ref document: A1 |