CN110234881A - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
- Publication number
- CN110234881A CN110234881A CN201880008529.4A CN201880008529A CN110234881A CN 110234881 A CN110234881 A CN 110234881A CN 201880008529 A CN201880008529 A CN 201880008529A CN 110234881 A CN110234881 A CN 110234881A
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- CN
- China
- Prior art keywords
- scroll
- convolution
- intermediate pressure
- fixed scroll
- oily
- 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.)
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Classifications
-
- 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
- F04C18/0207—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 both members having co-operating elements in spiral form
- F04C18/0215—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 both members having co-operating elements in spiral form where only one member is moving
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- 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
- F04C18/0207—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 both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0253—Details concerning the base
- F04C18/0261—Details of the ports, e.g. location, number, geometry
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- 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
- F04C29/0021—Systems for the equilibration of forces acting on the pump
-
- 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
- F04C29/02—Lubrication; Lubricant separation
- F04C29/023—Lubricant distribution through a hollow driving shaft
-
- 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
- F04C29/02—Lubrication; Lubricant separation
- F04C29/028—Means for improving or restricting lubricant flow
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Scroll compressor of the invention is provided with the 1st oily entrance hole (51) being formed in boss portion (12c) in convolution scroll end plate (12a)；It is formed in the 1st oily leadout hole (52) of the periphery of scroll wrap side end face；With the 1st end plate oil communication path (53) for being connected to the 1st oily entrance hole (51) with the 1st oily leadout hole (52), trapped fuel portion (80) are formed in the upper surface of eccentric shaft (13a), by being configured at trapped fuel portion (80) between the rotating shaft center (D) of rotary shaft (13) and the 1st oil entrance hole (51), and can the lubricating oil that be stored in trapped fuel portion (80) when compressing and stopping restarted while quickly guided using centrifugal force to the peripheral part of convolution scroll end plate (12a).
Description
Technical field
The invention particularly relates to scroll compressors used in the refrigeration machine of air conditioner, water heater, freezer etc..
Background technique
Scroll compressor is used in refrigerating plant or conditioner, scroll compressor sucking is steamed by evaporator
Gas refrigerant is compressed to and condense required pressure with condenser by the gas refrigerant of hair, and by the gas of high temperature and pressure
Cryogen passes out in refrigerant circuit.
In such scroll compressor, the store oil portion of lubrication oil, and shape are formed in the bottom of closed container
The lower end of Cheng Youcong rotary shaft to eccentric shaft rotary shaft oil supplying hole.Moreover, the lubricating oil for being stored in store oil portion passes through rotary shaft
Oil supplying hole is imported into eccentric shaft.
Therefore, when compressing starting, exist and some time lags occur until supplying lubricating oil to eccentric shaft from store oil portion
Problem, the lubrication shortage of oil on the promising eccentric shaft periphery for solving to generate when restarting of motion, is arranged in the upper surface of eccentric shaft
Trapped fuel portion (patent document 1).
Existing technical literature
Patent document
Patent document 1: tekiaki 62-142885 bulletin
Summary of the invention
Subject to be solved by the invention
But the lubricating oil for being directed onto eccentric shaft sometimes is further directed to the peripheral part of convolution scroll end plate, when
When restarting, need rapidly to guide lubricating oil to the peripheral part of convolution scroll end plate from trapped fuel portion.
Then, the object of the present invention is to provide a kind of scroll compressors, can will be stored in trapped fuel when compressing and stopping
The lubricating oil in portion is being restarted while quickly being guided using centrifugal force to the peripheral part for the scroll end plate that circles round.
Means for solving the problems
The scroll compressor of the invention that 1st aspect is recorded is characterized in that: configured with compression system in closed container
The compression mechanical part of cryogen and the mechanism portion of driving compression mechanism section, form in the bottom of above-mentioned closed container and are used for
The store oil portion of lubrication oil, compression mechanism section have fixed scroll, convolution scroll and to above-mentioned convolution scrolls
The rotary shaft of convolution driving is carried out, above-mentioned fixed scroll includes disk-shaped fixed scroll end plate and stands up above-mentioned
The fixed scroll tooth of fixed scroll end plate, above-mentioned convolution scroll include disk-shaped convolution scroll end plate, erect setting
In the scroll wrap side end face of above-mentioned convolution scroll end plate convolution scroll wrap and be formed in the whirlpool of above-mentioned convolution scroll end plate
The boss portion for revolving the opposite side end face of tooth, the eccentric shaft for being inserted into above-mentioned boss portion is formed in the upper end of above-mentioned rotary shaft, is made
It states fixed scroll tooth to be mutually twisted with above-mentioned convolution scroll wrap, thus between above-mentioned fixed scroll tooth and above-mentioned convolution scroll wrap
Multiple discharge chambes are formed, are provided with below above-mentioned fixed scroll and above-mentioned convolution scroll for supporting above-mentioned fixed whirlpool
The base bearing of rotating part and above-mentioned convolution scroll, above-mentioned base bearing be formed with bearing portion for being pivotally supported above-mentioned rotary shaft and
Restricted above-mentioned convolution is arranged in the boss incorporating section for storing above-mentioned boss portion between above-mentioned fixed scroll and above-mentioned base bearing
The rotation limiting component of the rotation of scroll is formed in above-mentioned rotary shaft from the lower end of above-mentioned rotary shaft to above-mentioned eccentric shaft
Rotary shaft oil supplying hole is provided with the 1st oily entrance hole being formed in above-mentioned boss portion, formation in above-mentioned convolution scroll end plate
Connect in the 1st oily leadout hole of the periphery of above-mentioned scroll wrap side end face and by the above-mentioned 1st oily entrance hole and above-mentioned 1st oily leadout hole
The 1st logical end plate oil communication path is formed with trapped fuel portion in the upper surface of above-mentioned eccentric shaft, and above-mentioned trapped fuel portion is configured at above-mentioned rotation
Between the rotating shaft center of shaft and above-mentioned 1st oily entrance hole.
The scroll compressor that the present invention that 2nd aspect is recorded, such as the 1st aspect record, makes above-mentioned boss incorporating section height
Intermediate pressure section makes the peripheral part intermediate pressure region for the above-mentioned convolution scroll for configuring above-mentioned rotation limiting component, and will be above-mentioned
Convolution scroll is pressed into above-mentioned fixed scroll, and being provided in above-mentioned fixed scroll can be vortexed with being located at than above-mentioned convolution
The fixed scroll sliding surface of the above-mentioned convolution scroll end plate sliding of tooth outer circumferential side, above-mentioned intermediate pressure region is formed in than upper
The position for stating fixed scroll sliding surface outer circumferential side is provided with and above-mentioned intermediate pressure region in above-mentioned fixed scroll sliding surface
The sliding surface slot of connection is stored in the above-mentioned lubricating oil in above-mentioned store oil portion, is directed to by above-mentioned rotary shaft oil supplying hole above-mentioned
In boss portion, the above-mentioned lubricating oil importeding into above-mentioned boss portion is directed to above-mentioned by above-mentioned 1st end plate oil communication path
Sliding surface slot imported into the above-mentioned lubricating oil of above-mentioned sliding surface slot, is directed to above-mentioned intermediate pressure region.
3rd aspect record the present invention, such as the 2nd aspect record scroll compressor, it is characterised in that: in above-mentioned bias
The eccentric axis center of axis is connected near the rotation position of above-mentioned sliding surface slot, the above-mentioned 1st oily leadout hole with above-mentioned sliding surface slot.
4th aspect record the present invention, such as the 1st aspect to the 3rd aspect any one of record scroll compressor, spy
Sign is: as above-mentioned discharge chambe, the 1st discharge chambe is formed in the outer wall side of above-mentioned convolution scroll wrap, in above-mentioned convolution scroll wrap
Inner wall side formed the 2nd discharge chambe, make above-mentioned 1st discharge chambe sucking volume be greater than above-mentioned 2nd discharge chambe sucking volume,
Above-mentioned fixed scroll end plate is provided with the intermediate pressure taking-up hole for taking out the intermediate pressure of above-mentioned discharge chambe, in above-mentioned fixed whirlpool
Rotating part is formed with the intermediate pressure communication path for being connected in above-mentioned intermediate pressure taking-up hole with above-mentioned intermediate pressure region.
5th aspect record the present invention, such as the 4th aspect record scroll compressor, it is characterised in that: in above-mentioned fixation
Scroll is formed with the high pressure communication path for being connected in above-mentioned intermediate pressure taking-up hole with the high-pressure space in above-mentioned closed container,
The high pressure opening portion of above-mentioned high pressure communication path is provided with balanced valve.
6th aspect record the present invention, such as the 2nd aspect to the 5th aspect any one of record scroll compressor, spy
Sign is: being provided in above-mentioned convolution scroll end plate in the 2nd oily entrance hole of above-mentioned intermediate pressure region opening, in above-mentioned pressure
2nd oily leadout hole of the low-voltage space opening of contracting room and the above-mentioned 2nd oily entrance hole is connected to above-mentioned 2nd oil leadout hole the 2nd
End plate oil communication path imported into the above-mentioned lubricating oil of above-mentioned intermediate pressure region, after above-mentioned 2nd end plate oil communication path
It is directed to the above-mentioned low-voltage space of above-mentioned discharge chambe.
Invention effect
In accordance with the invention it is possible to restart while utilizing centrifugation the lubricating oil for being stored in trapped fuel portion when compressing and stopping
Power is rapidly guided to the peripheral part for the scroll end plate that circles round.
Detailed description of the invention
Fig. 1 is the longitudinal section of the scroll compressor of one embodiment of the present of invention.
Fig. 2 is the major part amplification sectional view of the compression mechanical part of Fig. 1.
Fig. 3 is the top view of Fig. 1 and fixed scroll shown in Fig. 2 and convolution scroll.
Fig. 4 be indicate be located at boss portion in supply action from lubricating oil to intermediate pressure region explanatory diagram.
Fig. 5 is the explanatory diagram for indicating the lubricating oil positioned at intermediate pressure region and acting to the export of discharge chambe.
Fig. 6 is the positional relationship for indicating fuel supply path and seal member with the circumnutation of the scroll compressor
Explanatory diagram.
Fig. 7 is the pressure for indicating to take out the intermediate pressure that hole is taken out from the intermediate pressure of the scroll compressor of the present embodiment
The curve graph of variation.
Fig. 8 is the pressure for indicating to take out the intermediate pressure that hole is taken out from the intermediate pressure of the scroll compressor as comparative example
The curve graph of variation.
Fig. 9 is the pressure for indicating to take out the intermediate pressure that hole is taken out from the intermediate pressure of the scroll compressor as comparative example
The curve graph of variation.
Specific embodiment
1st mode of the invention is formed with trapped fuel portion in the upper surface of eccentric shaft, and trapped fuel portion is configured at the rotation of rotary shaft
Between axis center and the 1st oily entrance hole.According to the 1st mode, the lubricating oil in trapped fuel portion is stored in again when can stop compression
Start while rapidly being guided using centrifugal force to the 1st oily entrance hole.
2nd mode of the invention makes boss incorporating section high-pressure area on the basis of 1 mode, makes to configure rotation limit
The peripheral part of the convolution scroll of component processed is intermediate pressure region, and convolution scroll is pressed into fixed scroll, solid
Determine vortex part, which is provided with, to be slided with the fixed scroll for being located at the convolution scroll end plate sliding than scroll wrap outer circumferential side of circling round
Dynamic face, intermediate pressure region are formed in the position than fixed scroll sliding surface outer circumferential side, are arranged in fixed scroll sliding surface
There is the sliding surface slot being connected to intermediate pressure region, be stored in the lubricating oil in store oil portion, is directed to by rotary shaft oil supplying hole
In boss portion, the lubricating oil importeding into boss portion is directed to sliding surface slot by the 1st end plate oil communication path, imported into
The lubricating oil of sliding surface slot, is directed to intermediate pressure region.According to the 2nd mode, using being formed in the outer of scroll wrap side end face
The connection of the 1st of week oily leadout hole and the sliding surface slot for being formed in fixed scroll sliding surface, can be intermittently to intermediate pressure
Region supplies lubricating oil.In addition, scroll wrap side end face and fixed scroll sliding surface maintain with not having welfare according to the 2nd mode
Abutting state, therefore can be easy using the 1st oily leadout hole and sliding surface slot adjusting oil mass, the adjusting of oil mass.
3rd mode of the invention, on the basis of 2 mode, eccentric shaft eccentric axis center near sliding surface slot
Rotation position, the 1st oily leadout hole is connected to sliding surface slot.According to the 3rd mode, eccentric shaft eccentric axis center near cunning
The rotation position of dynamic face slot applies maximum centrifugal force to the lubricating oil being present in boss portion.Therefore, by being present in
Lubricating oil in boss portion is connected to the 1st oily leadout hole with sliding surface slot, can be reliably right
Sliding surface slot imports lubricating oil.
4th mode of the invention, in the 1 to the 3rd on the basis of either type, as discharge chambe, in convolution scroll wrap
Outer wall side formed the 1st discharge chambe, convolution scroll wrap inner wall side formed the 2nd discharge chambe, make the sucking volume of the 1st discharge chambe
Greater than the sucking volume of the 2nd discharge chambe, the intermediate pressure for taking out the intermediate pressure of discharge chambe is provided in fixed scroll end plate
Hole is taken out, the intermediate pressure access for being connected in intermediate pressure taking-up hole with intermediate pressure region is formed in fixed scroll
Diameter.According to the 4th mode, especially under the conditions of low compression ratio, it can prevent convolution scroll from separating from fixed scroll, it can
Improve the air-tightness of discharge chambe.
5th mode of the invention is formed in fixed scroll intermediate pressure taking out hole on the basis of 4 mode
The high pressure communication path being connected to the high-pressure space in closed container is provided with balance in the high pressure opening portion of high pressure communication path
Valve.According to the 5th mode, balanced valve is open when excessively high by the intermediate pressure in the compression midway of discharge chambe, the compression of discharge chambe
The intermediate pressure of midway can be adjusted to authorized pressure, and the low pressure contracting that convolution scroll can be made to separate from fixed scroll
It is smaller than the compression ratio of condition.
6th mode of the invention in the 2 to the 5th on the basis of either type, is provided in convolution scroll end plate
2nd oily entrance hole of intermediate pressure region opening is led in the 2nd oily leadout hole that is open of low-voltage space of discharge chambe and by the 2nd oil
The 2nd end plate oil communication path for entering the oily leadout hole connection of Kong Yu 2, imported into the lubricating oil of intermediate pressure region, passes through the 2nd end
The low-voltage space of discharge chambe is directed to after leaf fat communication path.According to the 6th mode, by the way that intermediate pressure region will be imported into
Lubricating oil is guided to the low-voltage space of discharge chambe, can make the lubrication oil circulation in intermediate pressure region, and can prevent by
The deterioration of oil caused by the delay for shortage of oil or lubricating oil at intermediate pressure region.
(embodiment)
Illustrate the scroll compressor of one embodiment of the present of invention below.In addition, the present invention is not by following embodiment
It limits.
Fig. 1 is the longitudinal section of the scroll compressor of the present embodiment.
Configured with the electronic of the compression mechanical part 10 and driving compression mechanical part 10 for compressing refrigerant in closed container 1
Mechanism part 20.
Closed container 1 includes the stem portion 1a for being formed as cylindrical shape extended along up and down direction, closing stem portion 1a
The lower cover 1b of the lower openings of the upper cover 1c and closing stem portion 1a of upper opening.
Closed container 1 be provided with by refrigerant import compression mechanical part 10 refrigerant suction pipe 2 and will be by compressor
The refrigerant that structure portion 10 compresses is to the refrigerant discharge leader 3 being discharged except closed container 1.
Compression mechanical part 10 has the rotation of fixed scroll 11, convolution scroll 12 and convolution driving convolution scroll 12
Shaft 13.
Mechanism portion 20 includes the rotor 22 for being fixed on the stator 21 of closed container 1 and being configured at the inside of stator 21.
Rotary shaft 13 is fixed on rotor 22.The eccentric shaft 13a eccentric relative to rotary shaft 13 is formed in the upper end of rotary shaft 13.
On eccentric shaft 13a, trapped fuel portion 80 is formed with using the recess portion being open in the upper surface of eccentric shaft 13a.
The lower section of fixed scroll 11 and convolution scroll 12 is provided with supporting and fixing scroll 11 and convolution scroll
12 base bearing 30.
Bearing portion 31 and the boss incorporating section 32 for being pivotally supported rotary shaft 13 are formed in base bearing 30.Base bearing 30 passes through molten
It connects or hot jacket is fixed on closed container 1.
Fixed scroll 11 includes disk-shaped fixed scroll end plate 11a, stands up fixed scroll end plate 11a
Vortex shape fixed scroll tooth 11b and the periphery wall portion of setting is erect in the mode surrounded around fixed scroll tooth 11b
11c is formed with outlet 14 in the substantially central portion of fixed scroll end plate 11a.
Convolution scroll 12 includes disk-shaped convolution scroll end plate 12a, stands up convolution scroll end plate 12a
Scroll wrap side end face convolution scroll wrap 12b and the circle that is formed in the opposite side end face of the convolution scroll wrap of scroll end plate 12a
The boss portion 12c of tubular.
The fixed scroll tooth 11b of fixed scroll 11 and the convolution scroll wrap 12b of convolution scroll 12 are mutually twisted, solid
Multiple discharge chambes 15 are formed between determine vortex tooth 11b and convolution scroll wrap 12b.
Boss portion 12c is formed in the substantial middle of convolution scroll end plate 12a.Eccentric shaft 13a is inserted into boss portion 12c, convex
Platform portion 12c is accommodated in boss incorporating section 32.
Fixed scroll 11 is fixed on base bearing 30 using multiple bolts 16 in periphery wall portion 11c.On the other hand, convolution whirlpool
Rotating part 12 is supported on fixed scroll 11 via the rotations such as cross slip-ring limiting component 17.The rotation of limitation convolution scroll 12
Rotation limiting component 17 is set between fixed scroll 11 and base bearing 30.Convolution scroll 12 is relative to fixed whirlpool as a result,
Carry out circumnutation to 11 not rotation of rotating part.
The lower end 13b of rotary shaft 13 is pivotally supported the supplementary bearing 18 in configuration in the lower part of closed container 1.
The store oil portion 4 of lubrication oil is formed in the bottom of closed container 1.
The lower end of rotary shaft 13 is provided with the oil pump 5 of displacement type.Oil pump 5 is present in store oil portion 4 with its suction inlet
Mode configures.Oil pump 5 is driven by rotary shaft 13, regardless of pressure condition or running speed, will can reliably be located at and set
It sets the lubricating oil in the store oil portion 4 of the bottom of closed container 1 to drink up, and eliminates the most worry of oil consumption.
The rotary shaft oil supplying hole 13c from the lower end 13b to eccentric shaft 13a of rotary shaft 13 is formed in rotary shaft 13.
The lubricating oil drunk up by oil pump 5 is fed into pair by the rotary shaft oil supplying hole 13c being formed in rotary shaft 13
The bearing of bearing 18, bearing portion 31, in boss portion 12c.
The refrigerant sucked from refrigerant suction pipe 2 is directed to discharge chambe 15 from suction inlet 15a.Discharge chambe 15 is from periphery
Lateral central portion goes to move while making smaller volume, and the refrigerant that authorized pressure has been reached in discharge chambe 15 is solid from being set to
The outlet 14 of the central portion of determine vortex part 11 is discharged to discharge room 6.Outlet 14 is provided with discharge leaf valve (not shown).
The refrigerant for having reached authorized pressure in discharge chambe 15 pushes discharge leaf valve open and is discharged to discharge room 6.It is discharged to discharge room 6
Refrigerant exported to 1 internal upper part of closed container, by being formed in the refrigerant passage (not shown) of compression mechanical part 10, reach
Around mechanism portion 20, and it is discharged from refrigerant discharge leader 3.
Fig. 2 is the major part amplification sectional view of the compression mechanical part of Fig. 1.
The scroll compressor of the present embodiment makes 32 high-pressure area A of boss incorporating section, is configuration rotation limiting component 17
The peripheral part of convolution scroll 12 be intermediate pressure region B, and convolution scroll 12 is pressed to fixed scroll 11.
Eccentric shaft 13a can circle round via convolution bearing 13d and be drivingly inserted into boss portion 12c.In the outer peripheral surface of eccentric shaft 13a
It is formed with oil groove 13e.
The thrust face of the base bearing 30 for the thrust for accepting convolution scroll end plate 12a is provided with cricoid seal member
33.Seal member 33 is configured at the periphery of boss incorporating section 32.
It is full of in closed container 1 by the refrigerant of high pressure identical with the discharge refrigerant of room 6 is discharged to, rotary shaft fuel feeding
Hole 13c eccentric shaft 13a upper end opening, therefore boss portion 12c in become high-pressure area A identical with discharging refrigerant.
The lubricating oil being imported into boss portion 12c by rotary shaft oil supplying hole 13c utilizes the periphery for being formed in eccentric shaft 13a
The oil groove 13e in face is supplied to convolution bearing 13d and boss incorporating section 32.Because being formed with sealing in the periphery of boss incorporating section 32
Component 33, so boss incorporating section 32 becomes high-pressure area A.
Fixed scroll end plate 11a be provided with take out discharge chambe 15 intermediate pressure intermediate pressure take out hole 41, with
The intermediate pressure take out hole 41 be connected to end plate side intermediate pressure communication path 42a and by intermediate pressure take out hole 41 with it is closed
The high pressure communication path 71 of high-pressure space connection in container 1.It is provided in the high pressure opening portion 72 of high pressure communication path 71 flat
Weigh valve 73.
It is provided in the periphery wall portion 11c of fixed scroll 11 by end plate side intermediate pressure communication path 42a and intermediate pressure
The peripheral wall side intermediate pressure communication path 42b of power region B connection.
Intermediate pressure is formed by end plate side intermediate pressure communication path 42a and peripheral wall side intermediate pressure communication path 42b to connect
Path 42.Intermediate pressure communication path 42 is formed in fixed scroll 11, and intermediate pressure is taken out hole 41 and intermediate pressure zone
Domain B connection.
In this way, being formed with the centre for being connected in intermediate pressure taking-up hole 41 with intermediate pressure region B in fixed scroll 11
Pressure communication path 42, by guiding the intermediate pressure of discharge chambe 15 to intermediate pressure region B, especially in low compression ratio item
Under part, it can prevent convolution scroll 12 from separating from fixed scroll 11, and can be improved the air-tightness of discharge chambe 15.
In addition, being opened when excessively high by the intermediate pressure in the compression midway of discharge chambe 15 especially under the conditions of low compression ratio
Balanced valve 73 is put, the intermediate pressure of the compression midway of discharge chambe 15 can be adjusted to authorized pressure, and whirlpool of circling round can be made
The compression ratio of rotating part 12 from the isolated low compression ratio condition of fixed scroll 11 is small.
Convolution scroll end plate 12a is provided with the 1st oily entrance hole 51 being formed in boss portion 12c, is formed in vortex
The oily leadout hole 52 in the 1st of the periphery of flank end face and the 1st end plate oil for being connected to the 1st oily entrance hole 51 with the 1st oily leadout hole 52
Communication path 53.
In addition, convolution scroll end plate 12a be provided with intermediate pressure region B opening the 2nd oily entrance hole 61, pressing
2nd oily leadout hole 62 of the low-voltage space opening of contracting room 15 and the 2nd oily entrance hole 61 is connected to the 2nd oil leadout hole 62 the 2nd
End plate oil communication path 63.2nd oily entrance hole 61 is formed in the side of convolution scroll end plate 12a.
Fig. 3 is the top view of Fig. 1 and fixed scroll shown in Fig. 2 and convolution scroll.
Fig. 3 (a) is the top view of the fixed scroll of the present embodiment from fixed scroll flank, and Fig. 3 (b) is indicated from returning
Vortex rotation flank observes the top view of the convolution scroll of the present embodiment.
Intermediate pressure region B is indicated with gray area in Fig. 3 (a).As shown, intermediate pressure region B is formed in fixation
The periphery of scroll wrap 11b.In addition, as shown in Fig. 4 (a), the intermediate pressure communication path 42b's to intermediate pressure region in peripheral wall side
The opening portion periphery of B is formed with recess portion 11d.
It is provided with and is located at than the convolution whirlpool at convolution scroll wrap 12b outer circumferential side shown in Fig. 3 (b) in fixed scroll 11
The fixed scroll sliding surface 11e that rotating part end plate 12a is slided.Intermediate pressure region B is formed in be slided than fixed scroll
At the 11e outer circumferential side of face.
The sliding surface slot 54 being connected to intermediate pressure region B is provided in fixed scroll sliding surface 11e.
As shown in Fig. 3 (b), scroll wrap of the 1st oily leadout hole 62 of oily leadout hole 52 and the 2nd in convolution scroll end plate 12a
The peripheral openings of side end face.
Fig. 4 be indicate be located at boss portion in supply action from lubricating oil to intermediate pressure region explanatory diagram.
Fig. 4 (a) is to indicate to make the shape that convolution scroll is engaged with fixed scroll shown in Fig. 3 (a) shown in Fig. 3 (b)
The top view of state, Fig. 4 (b) are the top view of the convolution scroll for indicating the state in Fig. 4 (a) and the state of eccentric shaft, Fig. 4
(c) the major part enlarged plan view of Fig. 4 (a) is indicated.
As shown in figure 4, eccentric shaft 13a eccentric axis center C near the rotation position of sliding surface slot 54, the 1st oil is led
Portal and 52 is connected to sliding surface slot 54.
The eccentric axis center C of eccentric shaft 13a is rotated in a manner of the E of track around the rotating shaft center D of rotary shaft 13.1st
Oily leadout hole 52 is rotated in a manner of the F of track in the same manner as the track E of eccentric axis center C.
Therefore, the 1st oily leadout hole 52 is in the eccentric axis center C of eccentric shaft 13a near the rotation position of sliding surface slot 54
It is connected to sliding surface slot 54, is not connected in other positions.
Trapped fuel portion 80 is configured between the oily entrance hole 51 of rotating shaft center D and the 1st of rotary shaft 13.In this way, passing through trapped fuel
Portion 80 is configured between the oily entrance hole 51 of rotating shaft center D and the 1st of rotary shaft 13, is flowed out using centrifugal force from trapped fuel portion 80
Lubricating oil is rapidly directed to the 1st oily entrance hole 51.In turn, at the time of the 1st oily leadout hole 52 is connected to sliding surface slot 54,
Centrifugal force from trapped fuel portion 80 towards the 1st oily entrance hole 51 works, therefore flows into sufficiently in the 1st end plate oil communication path 53
Lubricating oil.
As shown in Figure 1, the lubricating oil for being stored in store oil portion 4 is imported into boss portion 12c by rotary shaft oil supplying hole 13c.
Moreover, the lubricating oil importeding into boss portion 12c is as shown in figure 4, be imported into sliding surface slot by the 1st end plate oil communication path 53
54, the lubricating oil for importeding into sliding surface slot 54 is intermittently imported into intermediate pressure region B.
According to the scroll compressor of the present embodiment, high-pressure area A and intermediate pressure region B is formed and the scroll that will circle round
12 press to fixed scroll 11, therefore the scroll wrap side end face for the scroll end plate 12a that circles round and fixed scroll sliding surface 11e
Without discretely maintenance abutting state.Therefore, using the 1st oily leadout hole 52 and 54 adjusting oil mass of sliding surface slot, oil mass
Adjusting is easy.
In addition, according to the scroll compressor of the present embodiment, eccentric shaft 13a eccentric axis center C near sliding surface
The rotation position of slot 54 applies maximum centrifugal force to the lubricating oil that is present in boss portion 12c, therefore by being present in
Lubricating oil in boss portion 12c is connected to the 1st oily leadout hole 52 with sliding surface slot 54, can
Reliably lubricating oil is imported to sliding surface slot 54.
Fig. 5 is the explanatory diagram for indicating the lubricating oil positioned at intermediate pressure region and acting to the export of discharge chambe.
Fig. 5 (a) is the top view for making the position of convolution scroll different with Fig. 4 (a) in the state of identical as Fig. 4 (a),
Fig. 5 (b) indicates the major part enlarged plan view of Fig. 5 (a).
Shown in fig. 5 2nd oily leadout hole 62 is in the same manner as the track E of eccentric axis center C shown in Fig. 4 with the side of track G
Formula rotation.
Under state shown in fig. 5, the 2nd oily leadout hole 62 is connected to the low-voltage space of discharge chambe 15.Therefore, it is located at intermediate pressure
The lubricating oil of power region B is imported from the 2nd oily entrance hole 61, and by the 2nd end plate oil communication path 63 from the 2nd oily leadout hole 62
It is imported into the low-voltage space of discharge chambe 15.Furthermore in the state of other than shown in fig. 5, the 2nd oily leadout hole 62 is fixed scroll
Sliding surface 11e closing.Therefore, the low-voltage space of discharge chambe 15 is intermittently imported positioned at the lubricating oil of intermediate pressure region B.
According to the scroll compressor of the present embodiment, by guiding the lubricating oil for being directed into intermediate pressure region B to pressure
The low-voltage space of contracting room 15 can make the lubrication oil circulation in the B of intermediate pressure region, can prevent by intermediate pressure region B
The delay for shortage of oil or lubricating oil caused by oil deteriorate.
Fig. 6 is the positional relationship for indicating fuel supply path and seal member with the circumnutation of the scroll compressor
Explanatory diagram.
Fig. 6 is to be engaged convolution scroll 12 with fixed scroll 11, from the state of the overleaf observing of convolution scroll 12.
Fig. 6 (b) indicates the state that 90 degree of rotations have been carried out from Fig. 6 (a), and Fig. 6 (c) indicates the shape for having carried out 90 degree of rotations again from Fig. 6 (b)
State, Fig. 6 (d) indicate the state rotated from 90 degree of Fig. 6 (c) further progress.
As the discharge chambe 15 formed by fixed scroll 11 and convolution scroll 12, in the outer wall of convolution scroll wrap 12b
Side forms the 1st discharge chambe 15A, forms the 2nd discharge chambe 15B in the inner wall side of convolution scroll wrap 12b.
As shown in fig. 6, in the state of being engaged fixed scroll 11 with convolution scroll 12, by making fixed scroll tooth
The peripheral end 11be of 11b extends to, the system of enclosed 1st discharge chambe 15A identical as the convolution peripheral end 12be of scroll wrap 12b
The position of the refrigerant of the position of cryogen and enclosed 2nd discharge chambe 15B is staggered substantially 180 degree.
State shown in Fig. 6 (a) is the position of the refrigerant of enclosed 1st discharge chambe 15A, and state shown in Fig. 6 (c) is envelope
Enter the position of the refrigerant of the 2nd discharge chambe 15B.
In the state of shown in Fig. 6 (a), 3 the 1st discharge chambe 15A are formed with, the 1st discharge chambe 15A1 positioned at most peripheral is
The just low-pressure state after enclosed refrigerant, it is intermediate for being formed in the 1st discharge chambe 15A2 at side more inner than the 1st discharge chambe 15A1
Pressure state, being formed in the 1st discharge chambe 15A3 at side more inner than the 1st discharge chambe 15A2 is the high pressure conditions before discharge.
Furthermore the symbol of the 2nd discharge chambe 15B is omitted in Fig. 6 (a).
In the state of shown in Fig. 6 (c), 3 the 2nd discharge chambe 15B are formed with, the 2nd discharge chambe 15B1 positioned at most peripheral is
The just low-pressure state after enclosed refrigerant, it is intermediate for being formed in the 2nd discharge chambe 15B2 at side more inner than the 2nd discharge chambe 15B1
Pressure state, being formed in the 2nd discharge chambe 15B3 at side more inner than the 2nd discharge chambe 15B2 is the high pressure in discharge state
State.
1st discharge chambe 15A1 shown in Fig. 6 (a) is the sucking volume of the 1st discharge chambe 15A, the 2nd compression shown in Fig. 6 (c)
Room 15B1 is the sucking volume of the 2nd discharge chambe 15B, by the position and the 2nd compression that make the enclosed refrigerant of the 1st discharge chambe 15A
The position of the enclosed refrigerant of room 15B is staggered 180 degree, and the sucking volume of the 1st discharge chambe 15A can be made to be greater than the 2nd discharge chambe 15B
Sucking volume.
Intermediate pressure takes out hole 41 and is such as open shown in Fig. 6 (a) in the 1st discharge chambe 15A2 in intermediate pressure state, such as
It is open shown in Fig. 6 (c) in the 2nd discharge chambe 15B2 in intermediate pressure state.By the way that intermediate pressure taking-up hole 41 is configured at
As the center between the screw pitch of the fixed scroll tooth 11b of intermediate pressure state, the 1st compression in intermediate pressure state can be made
Room 15A2 is equably open with the 2nd discharge chambe 15B2 in intermediate pressure state.
The position shown in Fig. 6 (b), the 2nd oily leadout hole 62 are open in the 1st discharge chambe 15A1 in level pressure state.
As shown in fig. 6, being staggered 180 degree at the time of by making enclosed refrigerant in the 1st discharge chambe 15A and the 2nd discharge chambe 15B
Left and right, and make to suck volume maximum, therefore wrap height can be set to low.
Fig. 7 is to indicate that the slave intermediate pressure of the scroll compressor of the present embodiment takes out the pressure for the intermediate pressure that hole is taken out
The curve graph of variation, Fig. 8 and Fig. 9 are to indicate that the slave intermediate pressure of the scroll compressor as comparative example takes out in the taking-up of hole
Between pressure pressure oscillation curve graph.
That is, Fig. 7 indicates the sucking volume of the 1st discharge chambe asymmetric vortex different from the sucking volume of the 2nd discharge chambe
In compressor, the slave intermediate pressure in the case where fixed scroll is provided with intermediate pressure communication path is taken out in the taking-up of hole
Between pressure pressure variance.
Fig. 8 shows the sucking volume of the 1st discharge chambe asymmetric scroll compressors different from the sucking volume of the 2nd discharge chambe
In machine, the slave intermediate pressure in the case where fixed scroll is provided with intermediate pressure communication path takes out the intermediate pressure that hole is taken out
The pressure variance of power.
Fig. 9 indicates that the sucking volume of the 1st discharge chambe and the sucking volume of the 2nd discharge chambe are identical symmetrical scroll compressor
In machine, the slave intermediate pressure in the case where fixed scroll or convolution scroll are provided with intermediate pressure communication path is taken out
The pressure variance for the intermediate pressure that hole is taken out.
For Fig. 7 into Fig. 9, horizontal axis indicates crankshaft angles, and the longitudinal axis indicates the pressure of discharge chambe.
In figure, curve H indicates the pressure oscillation of the 1st discharge chambe, and curve J indicates the pressure oscillation of the 2nd discharge chambe.
As shown in fig. 7, the asymmetry different from the sucking volume of the 2nd discharge chambe by the sucking volume in the 1st discharge chambe
Hole is taken out in fixed scroll setting intermediate pressure in scroll compressor, in asymmetric scroll compressor shown in Fig. 8
Circle round scroll setting intermediate pressure take out hole the case where compare, furthermore in symmetrical scroll compressor shown in Fig. 9
The case where convolution scroll or fixed scroll setting intermediate pressure take out hole is compared, and can make to take from intermediate pressure taking-up hole
The pressure variance of intermediate pressure out is small.Therefore, the pulsation at intermediate pressure region can be made small, and can makes to circle round
Scroll is steadily pressed to fixed scroll.
Furthermore refrigerant of the invention is able to use the refrigerant between R32, carbon dioxide or carbon carbon with double bond.
Industrial utilizability
Of the invention is Whirl type compressor used in hot-water central heating system, conditioner, water heater or refrigeration machine etc.
Refrigerating circulatory device.
Symbol description
1 closed container
2 refrigerant suction pipes
3 refrigerant discharge leaders
4 store oil portions
5 oil pumps
6 discharge rooms
10 compression mechanical parts
11 fixed scrolls
12 convolution scrolls
13 rotary shafts
13a eccentric shaft
The lower end 13b
13c rotary shaft oil supplying hole
13d convolution bearing
13e oil-way
14 outlets
15 discharge chambes
The 1st discharge chambe of 15A
The 2nd discharge chambe of 15B
16 bolts
17 rotation limiting components
18 supplementary bearings
20 mechanism portions
21 stators
22 rotors
30 base bearings
31 bearing portions
32 boss incorporating sections
41 intermediate pressures take out hole
42 intermediate pressure communication paths
51 the 1st oily entrance holes
52 the 1st oily leadout holes
53 the 1st end plate oil communication paths
61 the 2nd oily entrance holes
62 the 2nd oily leadout holes
63 the 2nd end plate oil communication paths
71 high pressure communication paths
72 high pressure opening portions
73 balanced valves
80 trapped fuel portions.
Claims (6)
1. a kind of scroll compressor, it is characterised in that:
The mechanism portion of compression mechanical part and the driving compression mechanical part configured with compression refrigerant in closed container,
The store oil portion for being used for lubrication oil is formed in the bottom of the closed container,
The compression mechanical part has fixed scroll, convolution scroll and carries out convolution driving to the convolution scroll
Rotary shaft,
The fixed scroll includes disk-shaped fixed scroll end plate and stands up the fixed scroll end plate
Fixed scroll tooth,
The convolution scroll includes disk-shaped convolution scroll end plate, the whirlpool for standing up the convolution scroll end plate
The boss portion of the convolution scroll wrap side end face opposite with the convolution scroll wrap of scroll end plate is formed in of flank end face is revolved,
The eccentric shaft for being inserted into the boss portion is formed in the upper end of the rotary shaft,
It is mutually twisted the fixed scroll tooth with the convolution scroll wrap, thus in the fixed scroll tooth and the convolution whirlpool
Multiple discharge chambes are formed between rotation tooth,
It is provided with below the fixed scroll and the convolution scroll for supporting the fixed scroll and described
The base bearing for scroll of circling round,
The bearing portion for being pivotally supported the rotary shaft is formed in the base bearing and stores the boss storage of the boss portion
Portion,
The rotation limitation of the rotation of the restricted convolution scroll is set between the fixed scroll and the base bearing
Component,
It is formed with the rotary shaft oil supplying hole from the lower end of the rotary shaft to the eccentric shaft in the rotary shaft,
The 1st oily entrance hole being formed in the boss portion is provided in the convolution scroll end plate, is formed in the vortex
The oily leadout hole in the 1st of the periphery of flank end face and the 1st end plate for being connected to the described 1st oily entrance hole with the described 1st oily leadout hole
Oily communication path,
It is formed with trapped fuel portion in the upper surface of the eccentric shaft,
The trapped fuel portion is configured between the rotating shaft center of the rotary shaft and the 1st oily entrance hole.
2. scroll compressor as described in claim 1, it is characterised in that:
Make boss incorporating section high-pressure area, makes the peripheral part for the convolution scroll for configuring the rotation limiting component
For intermediate pressure region, and the convolution scroll is pressed into the fixed scroll,
The fixed scroll be provided with can be located at than it is described convolution scroll wrap outer circumferential side convolution scroll end
The fixed scroll sliding surface of plate sliding,
The intermediate pressure region is formed in the position than the fixed scroll sliding surface outer circumferential side,
The sliding surface slot being connected to the intermediate pressure region is provided in the fixed scroll sliding surface,
It is stored in the lubricating oil in the store oil portion, is directed in the boss portion by the rotary shaft oil supplying hole,
The lubricating oil importeding into the boss portion is directed to the sliding by the 1st end plate oil communication path
Face slot,
It is imported into the lubricating oil of the sliding surface slot, is directed to the intermediate pressure region.
3. scroll compressor as claimed in claim 2, it is characterised in that:
The eccentric shaft eccentric axis center near the rotation position of the sliding surface slot, the described 1st oily leadout hole and institute
State the connection of sliding surface slot.
4. scroll compressor according to any one of claims 1 to 3, it is characterised in that:
As the discharge chambe,
The 1st discharge chambe is formed in the outer wall side of the convolution scroll wrap, forms the 2nd compression in the inner wall side of the convolution scroll wrap
Room,
The sucking volume of the 1st discharge chambe is set to be greater than the sucking volume of the 2nd discharge chambe,
The intermediate pressure taking-up hole for taking out the intermediate pressure of the discharge chambe is provided in the fixed scroll end plate,
The intermediate pressure for being connected in intermediate pressure taking-up hole with the intermediate pressure region is formed in the fixed scroll
Power communication path.
5. scroll compressor as claimed in claim 4, it is characterised in that:
It is formed in the fixed scroll and is connected in intermediate pressure taking-up hole with the high-pressure space in the closed container
High pressure communication path,
The high pressure opening portion of the high pressure communication path is provided with balanced valve.
6. the scroll compressor as described in any one of claim 2~5, it is characterised in that:
It is provided in the convolution scroll end plate in the 2nd oily entrance hole of intermediate pressure region opening, in the compression
2nd oily leadout hole of the low-voltage space opening of room and the 2nd end for being connected to the described 2nd oily entrance hole with the described 2nd oily leadout hole
Leaf fat communication path,
It is imported into the lubricating oil of the intermediate pressure region, by being directed to institute after the 2nd end plate oil communication path
State the low-voltage space of discharge chambe.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-012608 | 2017-01-27 | ||
| JP2017012608A JP6709971B2 (en) | 2017-01-27 | 2017-01-27 | Scroll compressor |
| PCT/JP2018/001201 WO2018139309A1 (en) | 2017-01-27 | 2018-01-17 | Scroll compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110234881A true CN110234881A (en) | 2019-09-13 |
| CN110234881B CN110234881B (en) | 2021-07-30 |
Family
ID=62978290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880008529.4A Active CN110234881B (en) | 2017-01-27 | 2018-01-17 | Scroll compressor having a discharge port |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3575602B1 (en) |
| JP (1) | JP6709971B2 (en) |
| CN (1) | CN110234881B (en) |
| WO (1) | WO2018139309A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114829776A (en) * | 2019-12-20 | 2022-07-29 | 松下知识产权经营株式会社 | Scroll compressor having a discharge port |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7186055B2 (en) * | 2018-10-11 | 2022-12-08 | 三菱重工サーマルシステムズ株式会社 | scroll compressor |
| KR20240148989A (en) * | 2023-04-03 | 2024-10-14 | 엘지전자 주식회사 | Scroll compressor |
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| US4545747A (en) * | 1982-12-17 | 1985-10-08 | Hitachi, Ltd. | Scroll-type compressor |
| JPH03105091A (en) * | 1989-09-18 | 1991-05-01 | Daikin Ind Ltd | Scroll type compressor |
| JPH09329090A (en) * | 1996-06-12 | 1997-12-22 | Toshiba Corp | Scroll type compressor |
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| JP2015090093A (en) * | 2013-11-05 | 2015-05-11 | ダイキン工業株式会社 | Scroll compressor |
| US20170002812A1 (en) * | 2015-06-30 | 2017-01-05 | Bitzer Kuehlmaschinenbau Gmbh | Two-piece suction fitting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62142885A (en) * | 1985-12-16 | 1987-06-26 | Mitsubishi Electric Corp | Scroll compressor |
| CA2046548C (en) * | 1990-10-01 | 2002-01-15 | Gary J. Anderson | Scroll machine with floating seal |
| CN1075170C (en) * | 1994-02-01 | 2001-11-21 | 三菱重工业株式会社 | Vortex hydraulic mechanism |
| JP3584781B2 (en) * | 1999-05-20 | 2004-11-04 | 株式会社日立製作所 | Scroll compressor and refrigerating device |
| JP5152359B2 (en) * | 2011-03-23 | 2013-02-27 | ダイキン工業株式会社 | Scroll compressor |
| JP5765379B2 (en) * | 2013-08-10 | 2015-08-19 | ダイキン工業株式会社 | Scroll compressor |
| US10655625B2 (en) * | 2014-06-20 | 2020-05-19 | Panasonic Intellectual Property Management Co., Ltd. | Scroll compressor |
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2017
- 2017-01-27 JP JP2017012608A patent/JP6709971B2/en active Active
-
2018
- 2018-01-17 WO PCT/JP2018/001201 patent/WO2018139309A1/en unknown
- 2018-01-17 EP EP18745309.7A patent/EP3575602B1/en active Active
- 2018-01-17 CN CN201880008529.4A patent/CN110234881B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4545747A (en) * | 1982-12-17 | 1985-10-08 | Hitachi, Ltd. | Scroll-type compressor |
| JPH03105091A (en) * | 1989-09-18 | 1991-05-01 | Daikin Ind Ltd | Scroll type compressor |
| JPH09329090A (en) * | 1996-06-12 | 1997-12-22 | Toshiba Corp | Scroll type compressor |
| JPH10184567A (en) * | 1996-12-25 | 1998-07-14 | Daikin Ind Ltd | Scroll type fluid machine |
| JP2008121624A (en) * | 2006-11-15 | 2008-05-29 | Matsushita Electric Ind Co Ltd | Scroll compressor |
| JP2008274964A (en) * | 2008-08-18 | 2008-11-13 | Daikin Ind Ltd | Scroll type compressor |
| JP2011012621A (en) * | 2009-07-03 | 2011-01-20 | Daikin Industries Ltd | Scroll compressor |
| CN103629111A (en) * | 2012-08-27 | 2014-03-12 | 湖南华强电气有限公司 | Semi-closed scroll compressor |
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| US20170002812A1 (en) * | 2015-06-30 | 2017-01-05 | Bitzer Kuehlmaschinenbau Gmbh | Two-piece suction fitting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114829776A (en) * | 2019-12-20 | 2022-07-29 | 松下知识产权经营株式会社 | Scroll compressor having a discharge port |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3575602A1 (en) | 2019-12-04 |
| EP3575602A4 (en) | 2020-01-01 |
| JP6709971B2 (en) | 2020-06-17 |
| EP3575602B1 (en) | 2023-01-04 |
| JP2018119504A (en) | 2018-08-02 |
| CN110234881B (en) | 2021-07-30 |
| WO2018139309A1 (en) | 2018-08-02 |
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