WO2016017207A1 - Compresseur - Google Patents

Compresseur Download PDF

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Publication number
WO2016017207A1
WO2016017207A1 PCT/JP2015/057796 JP2015057796W WO2016017207A1 WO 2016017207 A1 WO2016017207 A1 WO 2016017207A1 JP 2015057796 W JP2015057796 W JP 2015057796W WO 2016017207 A1 WO2016017207 A1 WO 2016017207A1
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WO
WIPO (PCT)
Prior art keywords
base material
plating layer
tin plating
magnesium alloy
treatment
Prior art date
Application number
PCT/JP2015/057796
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English (en)
Japanese (ja)
Inventor
平渡　末二
芳夫 小和田
Original Assignee
サンデンホールディングス株式会社
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Filing date
Publication date
Application filed by サンデンホールディングス株式会社 filed Critical サンデンホールディングス株式会社
Publication of WO2016017207A1 publication Critical patent/WO2016017207A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Definitions

  • the present invention relates to a compressor, and more particularly, to a compressor including a magnesium alloy member whose surface is subjected to surface treatment by tin plating at a sliding portion thereof.
  • Magnesium alloys are lightweight, have high specific strength, and are excellent in vibration absorption. Therefore, magnesium alloys are used in various fields ranging from large machines such as aircraft and automobiles to small home appliances such as portable computers. Adoption is progressing as a material to replace the bulky metal.
  • this magnesium alloy has been studied to apply this magnesium alloy to the members that make up the sliding part. This makes it possible to reduce the weight of the compressor and reduce the moment of inertia of the movable member. Therefore, improvement in responsiveness can be expected.
  • the magnesium alloy In order to apply the magnesium alloy to the member of the sliding portion, unlike the case where the casing or cover is applied, not only to suppress the high corrosivity inherent in the magnesium alloy, but also to improve the slidability of the member. Surface treatment is required.
  • an anodized film is formed on the surface of a base material made of a magnesium alloy (for example, JP-A-2005-504884).
  • nickel-phosphorus plating is applied to the base material (for example, JP-A-2003-113785).
  • tin plating is applied to the base material.
  • the surface hardness of the member is improved by forming an anodized film or the like, a certain effect can be obtained in reducing wear, but the frictional resistance is reduced and the sliding property is reduced. It is not enough to raise.
  • Patent Document 1 listed below discloses a method in which tin plating is performed on a base material via a zinc plating layer as the third method. Specifically, after the surface of the substrate is etched with a chromic acid-free aqueous solution, a substitution galvanizing layer is formed on the surface, and tin plating is further performed using this as a base.
  • Tin (Sn) is a material that is soft and has excellent conformability, so it has already been put into practical use as a plating metal for sliding bearings and the like.
  • tin plating By performing the surface treatment of the magnesium alloy member by tin plating, it becomes possible to increase the slidability of the magnesium alloy member that can contribute to weight reduction and responsiveness improvement, and to manufacture a more efficient compressor.
  • the replacement zinc is used as a pre-treatment for forming the tin plating layer in the surface treatment of the member. It is plated.
  • the present invention is to increase the efficiency of the compressor by adopting a magnesium alloy member having high slidability, and in particular, it can be manufactured while maintaining good lubricity and ensuring durability and suppressing manufacturing costs. It aims to be.
  • At least one of a plurality of members arranged to be relatively slidable is constituted by a magnesium alloy member.
  • the magnesium alloy member includes a base material and a tin plating layer on the surface of the member, and the base material has at least a part of a surface corresponding to a surface of the magnesium alloy member in contact with the sliding member. It is formed of a magnesium alloy, and the tin plating layer is formed directly on the surface of the base material without any other plating layer.
  • the efficiency of the compressor can be increased by employing a magnesium alloy member having a tin plating layer on the surface.
  • the tin plating single layer treatment is performed after the unevenness treatment, the worn tin plating is retained in the unevenness portion even after the compressor is used for a long time, so that the lubrication effect is brought out and the durability is ensured. it can.
  • FIG. 1 is a cross-sectional view showing the overall configuration of a scroll compressor according to an embodiment of the present invention (for details of the configuration of the compressor, see, for example, JP-A-10-068392).
  • the movable scroll member 22 is composed of a magnesium alloy member.
  • the movable scroll member 22 and the fixed scroll member 26 described later constitute a sliding portion of the compressor.
  • the material of the fixed scroll member 26 is not particularly limited, but an aluminum alloy is employed in the present embodiment.
  • Both the movable scroll member 22 and the fixed scroll member 26 may be made of a magnesium alloy member.
  • the compressor housing 10 is divided into a bottomed cylindrical housing body 12 and a front housing 14 that is coupled to the housing body 12 so as to close the opening.
  • a drive shaft 18 is supported on the front housing 14 via a bearing 16.
  • a pulley 20 is attached to one end of the drive shaft 18 located outside the front housing 14, and power is transmitted to the drive shaft 18 via the pulley 20.
  • the movable scroll member 22 is fixed at the other end of the drive shaft 18 with respect to the one end via a mechanism 24 that converts the rotational motion of the drive shaft 18 into the revolving motion of the movable scroll member 22, and is disposed in the housing body 12. Yes.
  • a fixed scroll member 26 is fixed to the inner wall of the housing body 12, and the movable scroll member 22 and the fixed scroll member 26 are installed so that their spiral walls 22a, 26a mesh with each other with a predetermined deviation (for example, 180 °).
  • the drive shaft 18 rotates and the movable scroll member 22 revolves without rotating with respect to the fixed scroll member 26, thereby forming between the spiral wall 22 a of the movable scroll member 22 and the spiral wall 26 a of the fixed scroll member 26.
  • the space to be moved moves toward the center end side of the spiral walls 22a and 26a while reducing the volume thereof, and a compression action is generated on the gas held in the space.
  • a magnesium alloy of material AZ80 (ASTM standard) is adopted as a base material of the magnesium alloy member (hereinafter simply referred to as “base material”).
  • the magnesium alloy used for the base material may be ZK60, AZ61 and AZ31 in addition to the above materials.
  • the composition of each magnesium alloy is shown in the following table.
  • the surface of the substrate has a ten-point average roughness Rzjis and an arithmetic average roughness Ra, and the ratio Rzjis / Ra is 4 or more (Rzjis / Ra ⁇ 4).
  • the surface roughness of the substrate can be adjusted by machining such as polishing.
  • the measurement of roughness conforms to the standard of JIS B0601.
  • polishing is generally performed for the purpose of smoothing (mirroring) the unevenness as much as possible before forming the tin plating layer.
  • moderate unevenness is left. This is completely different from the concavo-convex process for forming the concavo-convex part. That is, in the present embodiment, the unevenness treatment is performed by adjusting the surface roughness without increasing the number of treatment steps, and cost reduction is further promoted.
  • the hardness of the base material is 70 or more in terms of Vickers hardness HV (HV ⁇ 70).
  • the surface of the substrate is subjected to an activation treatment, and the surface after the activation treatment is neutralized. Then, the neutralized base material is subjected to a plating treatment using a substituted tin plating solution adjusted to be weakly acidic, neutral or weakly alkaline, and a single layer of tin having a predetermined thickness on the surface of the base material. A plating layer is formed.
  • the thickness of the tin plating layer is formed so that the friction coefficient of the tin plating layer is 0.1 or less, and in this embodiment, the thickness is in the range of 2 to 6 ⁇ m.
  • the thickness of the tin plating layer can be confirmed by, for example, a fluorescent X-ray film thickness measuring device manufactured by Fischer.
  • Example A plate made of a magnesium alloy AZ80 (ASTM standard, aluminum 7.8 to 9.2% by weight, zinc 0.2 to 0.8% by weight) was adopted as a substrate, and the surface was polished.
  • the dimensions of the used plate material are 50 mm in length, 50 mm in width, and 2 mm in thickness.
  • a commercially available degreasing agent (for example, a commercial product manufactured by Kizai Co., Ltd., trade name “Macscreen BGF-220HF”) is used at a concentration of 50 g per liter, and a temperature of 60 to 70 ° C. for 5 to 10 minutes. The surface of the substrate is degreased and washed over a period of time. 2.
  • Etching Use a commercially available etchant (for example, chromic acid free etchant manufactured by Kizai Co., Ltd.) diluted at a rate of 100 mL per liter, and etch at a temperature of 55 to 65 ° C. for 1 to 3 minutes. The magnesium oxide film and the like are removed. In addition to the above, a hexavalent chromic acid-based etchant may be used as the etchant. 3.
  • Activation (acid immersion) An activator containing acidic ammonium fluoride and phosphoric acid, or a commercially available activator (for example, Mg-activator manufactured by Kizai Co., Ltd.) is adjusted to pH 2.0-3.0, and 25-30 ° C.
  • An activation treatment is performed at a temperature of 1 to 2 minutes to form a thin film of magnesium phosphate and magnesium fluoride on the surface. 4).
  • Neutralization (acid immersion) A neutralizing and reaction moderating agent containing sodium pyrophosphate and ammonium acid fluoride, or a commercially available neutralizing agent (for example, Mg-neutralizing agent manufactured by Kizai Co., Ltd.) is used as a stock solution, and a temperature of 25 to 30 ° C. The surface after the activation treatment is neutralized for 1 to 2 minutes.
  • caustic and acidic ammonium fluorides may be used as the neutralizing agent. 5.
  • the neutralized substrate is immersed in a substituted tin plating solution prepared to be weakly acidic (pH 3.0 to 6.0), neutral or weakly alkaline (pH 8 to 11) as soon as possible.
  • a tin plating layer is formed on the surface with a predetermined thickness. In this embodiment, the thickness of the tin plating layer is 2 to 6 ⁇ m. 6).
  • Thermal diffusion The substrate after plating is subjected to thermal diffusion treatment at a temperature of 110 to 120 ° C. for 30 to 60 minutes.
  • FIG. 2 shows the results of a sliding test of a magnesium alloy member (test material) that has been surface-treated by the method of the above embodiment (Examples 1 to 5).
  • Comparative Examples 2 and 4 are different from the magnesium alloy member according to this embodiment in the thickness of the tin plating layer (Comparative Example 2) or the hardness of the base material (Comparative Example 4). The procedure is the same as in the above embodiment.
  • FIG. 3 schematically shows the configuration of the test apparatus 100 employed in the sliding test whose result is shown in FIG.
  • a magnesium alloy member (plate) 110 that has been surface-treated by the method of the above embodiment is used as a test material, and this is placed on a fixed disk 120, while an A4000-based aluminum alloy member 130 in a ring shape is used as a counterpart material. And installed on the movable disk 140. Then, while pressing the mating material 130 against the test material 110 at a surface pressure of 2 MPa, the movable disk 140 is rotated in an oil immersion environment under the conditions of a rotational speed of 3351 rpm and a peripheral speed of 4 m / sec. The test time is 1000 seconds.
  • FIG. 4 shows changes in the surface pressure and sliding speed from the start of the test (test pattern).
  • FIG. 5 shows the results of the sliding test according to this embodiment for Examples 1 and 2 and Comparative Examples 1 and 2 among the examples shown in FIG.
  • Comparative Example 1 line C
  • Example 1 As shown in FIG. 5, the materials of Examples 1 and 2 maintain a low coefficient of friction (average 0.04 in Example 1 and average 0.06 in Example 2) over the entire test time, resulting in high slip. I was able to achieve mobility.
  • the plating component (tin) and lubricating oil are retained by the formed unevenness, and the sliding surface is appropriately replenished. Therefore, it is possible to improve lubricity and eventually improve durability.
  • the magnesium alloy member (movable scroll member 22) can be manufactured at a lower manufacturing cost.
  • the adhesiveness of the tin plating layer to the base material is enhanced by applying the thermal diffusion treatment to the base material after the plating process, it is not necessary to perform a dedicated process for ensuring the adhesiveness. The manufacturing cost can be reduced.
  • the thickness of the tin plating layer is such that the friction coefficient of the tin plating layer is 0.1 or less, and in the present embodiment, it is in the range of 2 to 6 ⁇ m, so that it covers the entire sliding surface. A good lubricating effect can be obtained.
  • FIG. 6 shows the relationship between the thickness of the tin plating layer and the coefficient of friction based on the results of the sliding test conducted on Examples 1 to 5 shown in FIG.
  • the thickness is in the range of 2 to 6 ⁇ m
  • the friction coefficient is stably suppressed to a value well below 0.1, and high slidability can be realized.
  • the thickness of the tin plating layer is too thin as in Comparative Example 2 (thickness of 0.4 ⁇ m) or too thick as in Comparative Example 5 (thickness of 8.5 ⁇ m)
  • the coefficient of friction exceeds 0.1, and the tendency for the slidability to decrease is observed.
  • the thickness of the tin plating layer is set in the range of 2 to 6 ⁇ m as in the present embodiment, the friction coefficient can be greatly reduced, whereby the magnesium alloy is applied to the dynamic part, Furthermore, by forming a film having a low friction coefficient, it is possible to contribute to improving the efficiency of a compressor or the like.
  • the ratio of the ten-point average roughness (Rzjis) to the arithmetic average roughness (Ra) (Rzjis / Ra) is set to a roughness of 4 or more.
  • FIG. 7 and 8 schematically show the relationship between the surface roughness of the substrate and the lubrication state of the surface.
  • FIG. 7 shows a case where Rzjis / Ra ⁇ 4
  • FIG. 8 shows a case where Rzjis / Ra ⁇ 4.
  • Rzjis / Ra ⁇ 4 FIG. 7
  • fine irregularities exist on the surface of the base material, and after starting sliding from the state shown in FIG. 7 (a), as shown in FIG.
  • the coefficient of friction of the surface is reduced and the slidability is improved.
  • Rzjis / Ra ⁇ 4 FIG. 7
  • the compressor according to the present invention is not limited to the scroll compressor, but may be a compressor of another type.
  • FIG. 9 is a cross-sectional view showing the overall configuration of a rotary swash plate compressor according to another embodiment of the present invention (see, for example, Japanese Patent Application Laid-Open No. 2010-144638 for details of the configuration of the compressor). .
  • the rotary swash plate 58 is made of a magnesium alloy member.
  • a sliding portion is constituted by the rotating swash plate 58 and the shoe 70 provided on the piston 68.
  • the compressor housing 50 is divided into a front housing 52, a cylinder block 54, and a rear housing 56.
  • the front housing 52 is coupled to the cylinder block 54 on the side where the rotary swash plate 58 is provided, and vice versa.
  • a rear housing 56 is coupled to the side.
  • a valve plate 60 is sandwiched between the cylinder block 54 and the rear housing 56, and a drive shaft 64 is supported on the front housing 52 via a bearing 62.
  • a pulley (not shown) is attached to the drive shaft 64 at one end, and power is transmitted to the drive shaft 64 via the pulley.
  • the rotary swash plate 58 is attached to the drive shaft 64 so that the tilt angle can be changed, and is disposed in the front housing 52.
  • the rotor 66 is fixed to the drive shaft 64, and the rotary swash plate 58 is coupled to the rotor 66 via the connecting portion 66 a while the drive shaft 64 is inserted through the central portion thereof.
  • the cylinder block 54 is formed with a plurality of cylinder bores 54a arranged in the circumferential direction, and a piston 68 is accommodated in each cylinder bore 54a.
  • the piston 68 is formed with a recess 68a at an end located outside the cylinder bore 54a, and a pair of shoes 70, 70 are housed in the recess 68a, and the outer periphery of the rotary swash plate 58 is formed of a swash plate by the shoes 70, 70.
  • the drive shaft 64 rotates and the rotary swash plate 58 rotates while maintaining an inclination angle with respect to the drive shaft 64, so that the rotation of the drive shaft 64 is reciprocated by the piston 68 via the rotary swash plate 58 and the shoes 70, 70.
  • the gas that has been converted and taken into the cylinder bore 54a is compressed.
  • the compression target gas is taken into the cylinder bore 54a from the suction chamber 56a formed in the rear housing 56 through the suction hole 60a of the valve plate 60, and after being compressed by the piston 68, is discharged into the discharge chamber through the discharge hole 60b of the valve plate 60. 56b.
  • the suction hole 60a and the discharge hole 60b are each provided with a check valve (not shown) that allows a flow in a specified direction and blocks a flow in the reverse direction.
  • the efficiency of the compressor is increased by adopting a magnesium alloy member having high slidability, and tin plating is directly applied on the surface of the base material, thereby reducing the man-hours required for the surface treatment and reducing the cost.
  • the effects similar to those described in the description of the previous embodiment can be obtained, such as making it possible to manufacture a magnesium alloy member (rotary swash plate 58) at a low manufacturing cost.
  • the compressor provided with the magnesium alloy member according to the present invention in the sliding portion may be of a variable capacity type.
  • FIG. 9 shows, as a specific example, an additional configuration in which the rotary swash plate compressor is a variable capacity type.
  • the capacity control valve 80 is attached to the rear housing 56, and the capacity control valve 80 adjusts the opening degree of the communication passage 82 formed between the discharge chamber 56b and the space in the front housing 52 (crank chamber 52a). As a result, the amount of gas in the discharge chamber 56b introduced into the crank chamber 52a changes, and the internal pressure of the crank chamber 52a changes. A minute hole (orifice) 60c is formed in the valve plate 60, and a part of the gas in the crank chamber 52a flows into the suction chamber 56a through the orifice 60c.
  • the capacity control valve 80 variably controls the discharge capacity of the compressor by introducing the internal pressure of the suction chamber 56a into the pressure sensing unit and controlling the internal pressure of the suction chamber 56a to a predetermined value.
  • SYMBOLS 10 Compressor housing (scroll type compressor), 12 ... Housing main body, 14 ... Front housing, 16 ... Bearing, 18 ... Drive shaft, 20 ... Pulley, 22 ... Movable scroll member, 24 ... Conversion mechanism, 26 ... Fixed scroll 50, compressor housing (swash plate compressor), 52 front housing, 54 cylinder block, 54a cylinder bore, 56 rear housing, 56a suction chamber, 56b discharge chamber, 58 rotary swash plate, 60 , Valve plate, 60a, suction hole, 60b, discharge hole, 62, bearing, 64, drive shaft, 66, rotor, 66a, coupling part, 68, piston, 70, shoe, 80, capacity control valve.
  • compressor housing swash plate compressor
  • 52 front housing 54 cylinder block, 54a cylinder bore, 56 rear housing, 56a suction chamber, 56b discharge chamber, 58 rotary swash plate, 60 , Valve plate, 60a, suction hole, 60b, discharge hole, 62, bearing, 64, drive

Abstract

L'invention a pour but d'accroître l'efficacité d'un compresseur. Pour atteindre ce but, l'invention concerne, en tant qu'élément (par exemple un élément de volute mobile (22)) qui forme une partie de coulissement d'un compresseur, un élément en alliage de magnésium qui été soumis à un traitement de surface par un placage à l'étain. L'élément en alliage de magnésium comprend un matériau de base et une couche de placage d'étain pour une surface de cet élément. Une surface du matériau de base, qui correspond à une surface de l'élément en contact avec un contre-élément de coulissement, est constituée par un alliage de magnésium, la couche de placage d'étain étant directement formée sur la surface du matériau de base après un traitement de rugosité sans autre couche de placage disposée entre ceux-ci.
PCT/JP2015/057796 2014-08-01 2015-03-17 Compresseur WO2016017207A1 (fr)

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JP2014157495A JP2016035215A (ja) 2014-08-01 2014-08-01 圧縮機
JP2014-157495 2014-08-01

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WO2016017207A1 true WO2016017207A1 (fr) 2016-02-04

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JP7243034B2 (ja) 2018-04-17 2023-03-22 株式会社デンソー 衝突判定装置および方法

Citations (8)

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JPH11350151A (ja) * 1999-03-08 1999-12-21 Dowa Mining Co Ltd ステンレス製ボルト、ナット
JP2000144439A (ja) * 1998-10-30 2000-05-26 Kizai Kk 不導体素材へのめっき処理方法とそのための無電解処理液組成物
JP2001348692A (ja) * 2000-06-07 2001-12-18 Toto Ltd 銅合金製給水器具のめっき方法及びそのめっき製品
JP2005291151A (ja) * 2004-04-02 2005-10-20 Sanden Corp スクロール型流体機械
JP2007056287A (ja) * 2005-08-23 2007-03-08 Univ Of Fukui 高分子繊維材料のメッキ前処理方法及びメッキ方法、高分子材料の被膜形成方法、導電性繊維材料の製造方法並びに導電性材料の製造方法
WO2009132412A1 (fr) * 2008-04-28 2009-11-05 Randell Technologies Inc. Ensemble rotor pour compresseur rotatif
JP2012031816A (ja) * 2010-08-02 2012-02-16 Sanden Corp スクロール型流体機械
JP2013189690A (ja) * 2012-03-14 2013-09-26 Umg Abs Ltd めっき加工されたプラスチックシャーシ

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000144439A (ja) * 1998-10-30 2000-05-26 Kizai Kk 不導体素材へのめっき処理方法とそのための無電解処理液組成物
JPH11350151A (ja) * 1999-03-08 1999-12-21 Dowa Mining Co Ltd ステンレス製ボルト、ナット
JP2001348692A (ja) * 2000-06-07 2001-12-18 Toto Ltd 銅合金製給水器具のめっき方法及びそのめっき製品
JP2005291151A (ja) * 2004-04-02 2005-10-20 Sanden Corp スクロール型流体機械
JP2007056287A (ja) * 2005-08-23 2007-03-08 Univ Of Fukui 高分子繊維材料のメッキ前処理方法及びメッキ方法、高分子材料の被膜形成方法、導電性繊維材料の製造方法並びに導電性材料の製造方法
WO2009132412A1 (fr) * 2008-04-28 2009-11-05 Randell Technologies Inc. Ensemble rotor pour compresseur rotatif
JP2012031816A (ja) * 2010-08-02 2012-02-16 Sanden Corp スクロール型流体機械
JP2013189690A (ja) * 2012-03-14 2013-09-26 Umg Abs Ltd めっき加工されたプラスチックシャーシ

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