CN105937496A - Compressor - Google Patents

Compressor Download PDF

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Publication number
CN105937496A
CN105937496A CN201610099436.XA CN201610099436A CN105937496A CN 105937496 A CN105937496 A CN 105937496A CN 201610099436 A CN201610099436 A CN 201610099436A CN 105937496 A CN105937496 A CN 105937496A
Authority
CN
China
Prior art keywords
port
groove
compressor
rib
compression
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.)
Pending
Application number
CN201610099436.XA
Other languages
Chinese (zh)
Inventor
今川祐朗
今川祐一朗
柬理寿史
长泽宏树
木本贵也
远藤胜巳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to JPPCT/JP2015/056498 priority Critical
Priority to PCT/JP2015/056498 priority patent/WO2016139796A1/en
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN105937496A publication Critical patent/CN105937496A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/10Adaptations or arrangements of distribution members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C29/124Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
    • F04C29/126Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
    • F04C29/128Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type of the elastic type, e.g. reed valves

Abstract

Provided is a compressor. A compressor 100 comprises: a compression mechanism part 3 that includes a compression chamber 14 that compresses a fluid and a discharge port 16 that discharges the fluid compressed by the compression chamber 14; and a reed valve 17 that includes a fixed part 17a that is fixed to the compression mechanism part 3 and a movable part 17b that opens/closes the discharge port 16, the reed valve being provided outside the compression chamber 14. A groove 20 is formed in the compression mechanism part 3, the groove 20 accommodating at least part of the reed valve 17. The groove 20 includes a port periphery section 20a that surrounds the discharge port 16 and a reinforcement section 23 that surrounds the port periphery section 20a. The thickness of a part of the compression mechanism part 3 where the reinforcement section 23 is formed gradually increases toward the outside from the port periphery section 20a.

Description

Compressor
Technical field
The present invention relates to improve the compressor of compression efficiency and reliability.
Background technology
In the past, it is known to the wall thickness reduction of the part by the discharge port of discharging refrigerant and improves pressure The compressor of contracting efficiency.Such as, in the existing compressor described in following patent documentation 1, The wall thickness being formed with wall ratio seat portion in the outside of seat portion and a part in the circumferential is thicker Rib, thus the part around the relatively thin seat portion of wall thickness and seat portion is strengthened.
Patent documentation 1: Japanese Unexamined Patent Publication 2000-87893 publication
But, in the existing compressor described in patent documentation 1, owing to being the most in the circumferential A part be formed with the structure of rib, so the adding of port periphery discharge port surrounded The most insufficient.Therefore, in the compressor of patent documentation 1, the port week that discharge port is surrounded The wall thickness enclosing portion is thicker, thus the compression efficiency of compressor is poor.
Further, in the existing compressor described in patent documentation 1, fluid is readily along valve seat The circumference in portion and be formed with the flowing of the part beyond the part of rib, therefore, when at outlet side When the leaf valve (reed valve) of the top configuration of mouth carries out opening and closing, the power of torsional direction has can Can act on leaf valve.It is likely to result in leaf valve because the power of torsional direction acts on leaf valve Deformation or breakage, therefore the reliability of the compressor described in patent documentation 1 is poor.
Summary of the invention
The present invention proposes with problem as described above as background, its object is to obtain and improves The compressor of compression efficiency and reliability.
Compressor involved in the present invention possesses: compression mechanical part, and it has discharge chambe and outlet side Mouthful, it is compressed at described discharge chambe convection cell, will be in compression chamber pressure by described discharge port Fluid after contracting is discharged;And leaf valve, its have be fixed on compression mechanical part fixed part and Discharge port is carried out the movable part of opening and closing, and is configured at the outside of discharge chambe, at compression mechanical part It is formed: groove portion, its housing at least partially leaf valve;And depressed part, its The outside of discharge chambe connects with described groove portion, and groove portion includes: port periphery, it is by discharge port Surround;And rib, its by port periphery surround, compression mechanical part be formed with rib The wall thickness of part the most thickening towards outside from port periphery, depressed part with leaf valve can The part that the front end of side, dynamic portion is opposed connects with groove portion.
Preferably, described rib has the inclination tilted from described port periphery towards outside Face.
Preferably, the wall thickness of the part being formed with described depressed part of described compression mechanical part, formed For thicker than the wall thickness of the part being formed with described port periphery.
Preferably, at the edge of the part being different from the part connected with described groove portion of described depressed part It is formed with depression rib, the wall of the part being formed with described depression rib of described compression mechanical part Thick the most thickening towards outside.
Preferably, described depression rib has the inclined plane tilted towards outside.
In accordance with the invention it is possible to be improved the compressor of compression efficiency and reliability.
Accompanying drawing explanation
Fig. 1 is the longitudinal section schematically recording the compressor involved by embodiments of the present invention 1 The figure of an example.
Fig. 2 is of the cross section schematically recording the first compression mechanical part described in Fig. 1 The figure of example.
Fig. 3 is schematically to record the longitudinal section after the part of the discharge port in Fig. 1 being amplified Figure.
Fig. 4 is the figure of the upper surface schematically recording the upper bearing (metal) described in Fig. 1.
Fig. 5 is the figure of the part in the groove portion of the Section A-A schematically recording Fig. 4.
Fig. 6 is the figure of the part of the depressed part of the section B-B schematically recording Fig. 4.
Fig. 7 is the figure of the comparative example 1 schematically recording Fig. 4.
Fig. 8 is the figure of the part in the groove portion in the C-C cross section schematically recording Fig. 7.
The explanation of reference
1... hermetic container;2... motor part;2a... stator;2b... rotor;3... compression mechanical part; 3a... the first compression mechanical part;3b... the second compression mechanical part;4... rotary shaft;5... demarcation strip;7... Cylinder body portion;7a... the first cylinder body portion;7b... the second cylinder body portion;8... eccentric axial portion;9... rotary plunger; 9a... the first rotary plunger;9b... the second rotary plunger;10... blade groove;11... blade;12... go up Bearing;13... lower bearing;14... discharge chambe;14a... the first discharge chambe;14b... the second discharge chambe; 15... inhalation port;16... discharge port;17... leaf valve;17a... fixed part;17b... movable part; 18... leaf valve pressing component;19... fixed component;20... groove portion;20a... port periphery;21... Seat portion;22... depressed part;23... rib;24... cave in rib;25... suction tube;26... Discharge pipe;30... compression unit;100... compressor;120... upper bearing (metal);200... groove portion;200a... Port periphery;210... seat portion.
Detailed description of the invention
Hereinafter, referring to the drawings embodiments of the present invention are illustrated.Additionally, in the various figures, Identical reference is marked for part identically or comparably and suitably omits or simplify Its explanation.It addition, for structure described in each figure, it is possible within the scope of the invention to it Shape, size and configuration etc. carry out suitable change.
Embodiment 1.
[compressor]
Fig. 1 is the longitudinal section schematically recording the compressor involved by embodiments of the present invention 1 The figure of an example.The fluids such as refrigerant gas are such as entered by the compressor 100 described in Fig. 1 Row compression.In the following description, the compressor 100 of compression refrigerant gas is illustrated. The refrigerant gas of the compressor 100 low pressure to sucking from suction tube 25 is compressed and by pressure The refrigerant gas of the high pressure after contracting is discharged to the outside of hermetic container 1 from discharge pipe 26.Compression Machine 100 is included in motor part 2 and the compression unit 30 of the inside collecting of hermetic container 1.Additionally, Compressor 100 is not limited to the compressor of hermetic type as shown in Figure 1, it is also possible to be electronic Machine portion 2 is at the outside opening compressor arranged of hermetic container 1.
Motor part 2 transmits power via rotary shaft 4 to compression unit 30, this motor part 2 Including stator 2a and rotor 2b.Compression unit 30 by the power from motor part 2 to pressure Refrigerant gas in contracting room 14 is compressed, and this compression unit 30 includes cylinder body portion 7, upper bearing (metal) 12, lower bearing 13 and rotary plunger (rolling piston) 9.Involved by present embodiment Compression unit 30 includes first compression mechanical part 3a of stacking and the second compressor across demarcation strip 5 Structure portion 3b.Additionally, the compressor 100 involved by present embodiment can include the first compressor Any one in structure portion 3a and the second compression mechanical part 3b.First compression mechanical part 3a is to suction The refrigerant gas of the first discharge chambe 14a entering the inside to the first cylinder body portion 7a is compressed, This first compression mechanical part 3a includes by from the power of motor part 2 powered first Rotary plunger 9a.It addition, the second compression mechanical part 3b is to being drawn in the second cylinder body portion 7b The refrigerant gas of the second discharge chambe 14b in portion is compressed, this second compression mechanical part 3b bag Include the powered second rotary plunger 9b by the power from motor part 2.Additionally, by Identical in the structure of the first compression mechanical part 3a and the second compression mechanical part 3b, therefore, with Under explanation in, for present embodiment easy to understand, only the first compression mechanical part 3a is carried out Illustrate, omit the explanation to the second compression mechanical part 3b.
It follows that utilize Fig. 2 and Fig. 3 that the structure of the first compression mechanical part 3a is illustrated. Fig. 2 is an example of the cross section schematically recording the first compression mechanical part described in Fig. 1 Figure, Fig. 3 is schematically to record the longitudinal section after the part of the discharge port in Fig. 1 being amplified Figure.As in figure 2 it is shown, the first compression mechanical part 3a is in the first of the inside of the first cylinder body portion 7a Discharge chambe 14a possesses the first rotary plunger 9a and blade 11.First rotary plunger 9a is installed on rotation The eccentric axial portion 8 of rotating shaft 4, the power from motor part 2 transmits to the first rotary plunger 9a. Eccentric axial portion 8 is such as made up of the parts different from rotary shaft 4 and is installed on rotary shaft 4.This Outward, eccentric axial portion 8 can be integrally formed by same parts with rotary shaft 4.In the first cylinder body portion 7a is formed with blade groove 10 and inhalation port 15.Blade 11 keeps in the way of moving freely In blade groove 10, the first discharge chambe 14a is divided into and to connect with inhalation port 15 by this blade 11 Space and the space connected with the discharge port 16 described in Fig. 3.
As it is shown on figure 3, be formed with discharge port at the upper bearing (metal) 12 being installed on the first cylinder body portion 7a 16, by this discharge port 16 by the cold-producing medium of the high pressure after the first discharge chambe 14a compression Gas is discharged.It addition, the face of outside of the first discharge chambe 14a at upper bearing (metal) 12, it is formed The groove portion 20 housed at least partially to leaf valve 17.Leaf valve 17 is the parts of lamellar, It carries out action so that discharge port 16 is carried out opening and closing, is therefore prevented from the adverse current of refrigerant gas. Leaf valve 17 carries out action as follows: when the pressure ratio of the inside of the first discharge chambe 14a is close When the pressure of the inside closing container 1 is low, discharge port 16 is made to be formed as closed mode, when first During the pressure height of the inside of the pressure ratio hermetic container 1 of the inside of discharge chambe 14a, make discharge port 16 are formed as open mode.Leaf valve 17 has: fixed part 17a, and it is fixed on upper bearing (metal) 12; And movable part 17b, it carries out opening and closing to discharge port 16.Additionally, leaf valve 17 is movable Portion 17b can include that prominent and with discharge port 16 peripheral part supports to discharge port 16 side The protuberance (omitting diagram) connect.It is equipped above leaf valve 17 and leaf valve 17 is moved Scope carry out the leaf valve pressing component 18 that limits.Such as utilize the fixed components such as bolt 19 and Leaf valve 17 and leaf valve pressing component 18 are fixed on upper bearing (metal) 12.
It follows that the example of the action of the compressor 100 constituted as described above is illustrated. If the motor part 2 described in driving Fig. 1, then transmit revolving force to rotary shaft 4.Such as Fig. 2 institute Showing, the revolving force being transferred to rotary shaft 4 transmits to the eccentric axial portion 8 being installed on rotary shaft 4, from And make the first rotary plunger 9a being installed on eccentric axial portion 8 in the inside of the first discharge chambe 14a Rotate.The volume of the first discharge chambe 14a is gradually reduced along with the rotation of the first rotary plunger 9a, Thus the refrigerant gas of the low pressure being drawn into the first discharge chambe 14a from inhalation port 15 is carried out Compression.The refrigerant gas of the high pressure after compression is by the discharge from the upper bearing (metal) 12 shown in Fig. 3 Port 16 is discharged to the inside of hermetic container 1.
Fig. 4 is the figure of the upper surface schematically recording the upper bearing (metal) described in Fig. 1, and Fig. 5 is to show The figure of the part in the groove portion of the Section A-A of Fig. 4 is recorded on meaning property ground, and Fig. 6 is schematically to record The figure of the part of the depressed part of the section B-B of Fig. 4.As shown in Figure 4, at upper bearing (metal) 12 The face of the outside of the first discharge chambe 14a that is upper surface, be formed groove portion 20 and with groove portion 20 The depressed part 22 of connection.
As shown in Figures 4 and 5, groove portion 20 includes: seat portion 21;Port periphery 20a, Seat portion 21 is surrounded by it;And rib 23, port periphery 20a is surrounded by it.Valve seat Portion 21 is the part abutted with leaf valve 17 when leaf valve 17 is closed.Upper bearing (metal) The wall thickness of the part being formed with seat portion 21 of 12 is formed as than the end being formed around seat portion 21 The wall thickness of the part of mouthful periphery 20a is thick, seat portion 21 from port periphery 20a to reed Valve 17 side is the most prominent.The wall thickness of the part being formed with rib 23 of upper bearing (metal) 12 is from port Periphery 20a is the most thickening towards outside.Port periphery 20a and rib 23 are formed as: When leaf valve 17 carries out on-off action so that leaf valve 17 with including rib 23 The wall portion in groove portion 20 does not contacts.Additionally, as it is shown in figure 5, rib 23 be formed as having from In the case of the inclined plane that port periphery 20a tilts towards outside, leaf valve 17 can either be made Do not contact with the wall portion in groove portion 20, can reduce again the area of port periphery 20a, therefore, Can be by the wall thickness of the part being formed with port periphery 20a and seat portion 21 of upper bearing (metal) 12 Thinning.It addition, have the inclination tilted from port periphery 20a towards outside at rib 23 In the case of face, the refrigerant gas discharged from discharge port 16 is along the inclined plane of rib 23 And flow swimmingly, therefore the pressure loss reduces.
As shown in Fig. 3, Fig. 4 and Fig. 6, groove portion 20 and leaf valve 17 movable part The side that the leading section of 17b side is opposed, depressed part 22 connects with groove portion 20.Depressed part 22 shape The wall portion of the both sides becoming leaf valve 17 than groove portion 20 is deep, thus easily from leaf valve 17 The refrigerant gas discharged from discharge port 16 is discharged by front.Additionally, depressed part 22 is permissible It is connected with the rib 23 in groove portion 20.It addition, the portion being formed with depressed part 22 of upper bearing (metal) 12 The wall thickness divided is formed as thicker than the wall thickness of the part being formed with port periphery 20a, therefore, on Bearing 12, the part that is formed with depressed part 22 and being formed and depressed part 22 continuous print groove The probability that the part in portion 20 is deformed reduces.It is as a result, it is possible to by the formation of upper bearing (metal) 12 The wall thickness reduction of the part of ports having periphery 20a and seat portion 21.
It addition, as shown in Fig. 4 and Fig. 6, depressed part 22 the part connected with groove portion 20 with The edge of outer part is formed with depression rib 24.Upper bearing (metal) 12 be formed with depression rib The wall thickness of the part of 24 is the most thickening towards outside, thus depressed part 22 and be formed as with depression The deformation of the part in continuous print groove portion of portion 22 20 is inhibited.It is as a result, it is possible to by upper bearing (metal) 12 The wall thickness reduction of the part being formed with port periphery 20a and seat portion 21.Additionally, such as Shown in Fig. 7, be formed as the situation with the inclined plane tilted towards outside at depression rib 24 Under, the refrigerant gas discharged from discharge port 16 is suitable along the inclined plane of depression rib 24 Freely flowing, therefore the pressure loss reduces.
As it has been described above, in the present embodiment, as shown in Figure 4, at the outlet side of upper bearing (metal) 12 Mouthfuls 16 be formed around the groove portion 20 housed at least partially to leaf valve 17.Groove portion 20 include: port periphery 20a, and discharge port 16 is surrounded by it;And rib 23, its By port periphery 20a surround, and as it is shown in figure 5, upper bearing (metal) 12 be formed with rib The wall thickness of the part of 23 is the most thickening outside port periphery 20a tends to.Therefore, in this enforcement In mode, it is possible to by the wall thickness reduction of the part being formed with discharge port 16 of upper bearing (metal) 12.Its As a result, according to present embodiment, when by the cold-producing medium after the first discharge chambe 14a compression from discharge When port 16 is discharged, it is possible to make the amount remaining in the refrigerant gas of the high pressure of discharge port 16 subtract Few, therefore, it is possible to improve the compression efficiency of compressor 100.
Such as, Fig. 7 is the figure of the comparative example 1 schematically recording Fig. 4, and Fig. 8 is schematically Record the figure of the part in the groove portion in the C-C cross section of Fig. 7.As shown in Figures 7 and 8, comparing In example 1, different from the present embodiment that Fig. 4 and Fig. 5 etc. records, in the groove portion of upper bearing (metal) 120 200 do not form rib.Therefore, in comparative example 1, upper bearing (metal) 120 is being formed with valve In the case of the wall thickness of the part of seat portion 210 and port periphery 200a is the most thinning, end Mouth periphery 200a can be deformed, and therefore, produces the leakage of refrigerant gas, and then also has Upper bearing (metal) 120 may be caused damaged.Therefore, in comparative example 1, it is necessary to will be formed with seat portion The wall thickness of the part of 210 and port periphery 200a thickeies.
Compared with comparative example 1, in the example of present embodiment, as shown in Fig. 4 and Fig. 5 etc., Port periphery 20a in groove portion 20 is formed around rib 23, therefore, it is possible to by upper shaft Hold the wall thickness reduction of the part being formed with discharge port 16 of 12.Its result, according to this embodiment party Formula, it is possible to obtain the compressor 100 improving compression efficiency.
Further, according to present embodiment, being formed around discharge port of discharge port 16 The 16 port periphery 20a surrounded, and being formed around port at port periphery 20a The rib 23 that periphery 20a surrounds.Therefore, according to present embodiment, it is possible to from discharge port 16 discharged by the refrigerant gas discharged from discharge port 16 evenly around, therefore, works as spring When plate valve 17 carries out on-off action, effect has the probability of the power of torsional direction to reduce.Therefore, According to present embodiment, leaf valve 17 is caused to become because the power of torsional direction acts on leaf valve 17 The probability of shape or breakage reduces, and therefore, the reliability of compressor 100 is improved.
It addition, in the present embodiment, as shown in Fig. 3, Fig. 4 and Fig. 6, it is formed and groove The depressed part 22 of portion 20 connection.Depressed part 22 is movable with leaf valve 17 including groove portion 20 The opposed part in the front end of 17b side, portion is in interior part, and this depressed part 22 connects with groove portion 20, Thus easily make from the refrigerant gas of discharge port 16 discharge from the front end effluent of leaf valve 17 Go out.Its result, according to present embodiment, when leaf valve 17 is in open mode, leaf valve The front of 17 bends swimmingly, and therefore, the power of torsional direction acts on the possibility of leaf valve 17 Property reduce.Further, according to present embodiment, owing to the front end of leaf valve 17 bends swimmingly, So the pressure loss reduces, and leaf valve 17 deforms or the probability of breakage also reduces.
The present invention is not limited to above-mentioned embodiment, it is possible to carry out various within the scope of the invention Change.I.e., it is possible to properly modify the structure of above-mentioned embodiment, alternatively, it is also possible to will at least A part replaces with other structures.Further, the constitutive requirements not being particularly limited are configured for it It is not limited to the configuration disclosed in embodiment, it is possible to be configured at the position being capable of its function Put.
Such as, in the above-described embodiment, to jag interruption-forming in upper bearing (metal) 12 and lower axle Hold the example of 13 to be illustrated, but prominent port such as can be formed at the pressure of cylinder body portion 7 grade Other parts of contracting mechanism part 3.In this case, as long as in the row of being formed of compression mechanical part 3 The surrounding of the part going out port formed the groove portion housed at least partially to leaf valve and then Form the depressed part connected with groove portion.

Claims (5)

1. a compressor, it is characterised in that
Described compressor possesses:
Compression mechanical part, it has discharge chambe and discharge port, carries out at described discharge chambe convection cell Compression, discharges the fluid after described discharge chambe compresses by described discharge port;And
Leaf valve, it has and is fixed on the fixed part of described compression mechanical part and to described outlet side Mouth carries out the movable part of opening and closing, and is configured at the outside of described discharge chambe,
Being formed at described compression mechanical part: groove portion, it enters at least partially to described leaf valve Row houses;And depressed part, it connects with described groove portion in the outside of described discharge chambe,
Described groove portion includes: port periphery, and described discharge port is surrounded by it;And rib, Described port periphery is surrounded by it,
The wall thickness of the part being formed with described rib of described compression mechanical part is from described port week Enclose portion the most thickening towards outside,
Described depressed part the part opposed with the front end of the described movable part side of described leaf valve with Described groove portion connects.
Compressor the most according to claim 1, it is characterised in that
Described rib has the inclined plane tilted from described port periphery towards outside.
Compressor the most according to claim 1 and 2, it is characterised in that
The wall thickness of the part being formed with described depressed part of described compression mechanical part, is formed as than formation The wall thickness having the part of described port periphery is thicker.
Compressor the most according to claim 1 and 2, it is characterised in that
Formed at the edge of the part being different from the part connected with described groove portion of described depressed part There is depression rib,
The wall thickness of the part being formed with described depression rib of described compression mechanical part is towards outside The most thickening.
Compressor the most according to claim 4, it is characterised in that
Described depression rib has the inclined plane tilted towards outside.
CN201610099436.XA 2015-03-05 2016-02-23 Compressor Pending CN105937496A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JPPCT/JP2015/056498 2015-03-05
PCT/JP2015/056498 WO2016139796A1 (en) 2015-03-05 2015-03-05 Compressor

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CN201610099436.XA Pending CN105937496A (en) 2015-03-05 2016-02-23 Compressor

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WO (1) WO2016139796A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016139796A1 (en) * 2015-03-05 2016-09-09 三菱電機株式会社 Compressor
JP2018159287A (en) * 2017-03-22 2018-10-11 三菱重工サーマルシステムズ株式会社 Compressor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02291485A (en) * 1989-03-09 1990-12-03 Empresa Brasileira De Compressores Sa Embraco Outlet valve for rolling piston rotary compressor
CN1247279A (en) * 1998-09-10 2000-03-15 东芝株式会社 Compressor for refrigerating circulation
JP2010151026A (en) * 2008-12-25 2010-07-08 Daikin Ind Ltd Compressor
JP2012255370A (en) * 2011-06-08 2012-12-27 Toshiba Carrier Corp Rotary compressor, and refrigeration cycle apparatus
CN103711698A (en) * 2012-09-28 2014-04-09 富士通将军股份有限公司 Rotary compressor
CN205503461U (en) * 2015-03-05 2016-08-24 三菱电机株式会社 Compressor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03217686A (en) * 1990-01-23 1991-09-25 Mitsubishi Heavy Ind Ltd Rotary compressor
JP2006105040A (en) * 2004-10-06 2006-04-20 Matsushita Electric Ind Co Ltd Compressor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02291485A (en) * 1989-03-09 1990-12-03 Empresa Brasileira De Compressores Sa Embraco Outlet valve for rolling piston rotary compressor
CN1247279A (en) * 1998-09-10 2000-03-15 东芝株式会社 Compressor for refrigerating circulation
JP2010151026A (en) * 2008-12-25 2010-07-08 Daikin Ind Ltd Compressor
JP2012255370A (en) * 2011-06-08 2012-12-27 Toshiba Carrier Corp Rotary compressor, and refrigeration cycle apparatus
CN103711698A (en) * 2012-09-28 2014-04-09 富士通将军股份有限公司 Rotary compressor
CN205503461U (en) * 2015-03-05 2016-08-24 三菱电机株式会社 Compressor

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WO2016139796A1 (en) 2016-09-09

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Application publication date: 20160914