CN101900114A - Compressor - Google Patents
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- CN101900114A CN101900114A CN 201010193463 CN201010193463A CN101900114A CN 101900114 A CN101900114 A CN 101900114A CN 201010193463 CN201010193463 CN 201010193463 CN 201010193463 A CN201010193463 A CN 201010193463A CN 101900114 A CN101900114 A CN 101900114A
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Abstract
The invention provides and a kind ofly when guaranteeing electric efficiency, can prevent the compressor that oil raises up effectively again.This compressor (1) comprising: be formed between the stator (51) of motor (16) and the body casing (10) and oil return stream (74) that oil can descend therein; The first oil return guide (71) that is communicated with the upper opening of oil return stream (74); With the inside that is disposed at body casing (10), the second oil return guide (72) that is communicated with the lower openings of oil return stream (74).
Description
Technical field
The present invention relates to a kind of compressor at the inner built-in motor of seal container.
Background technique
In the past, inner built-in in the closed-type compressor of motor at seal container, the oil by making the bottom that is stored in seal container, is lubricated bearing part etc. along the mandatory circulation of above-below direction in seal container inside.
For example, according to the effect of pump built-in in live axle, rise after making the oil supply path of oil by live axle inside of store oil portion of seal container bottom.So oil is supplied to the pin bearing and the upper spindle on the top of the seal container inside that is configured in scroll compressor and holds, and these sliding partss are lubricated.Finish lubricated oil in case be stored in and be formed in the crankshaft room that upper spindle holds.
When discharge is stored in oily in this crankshaft room, owing to use groove, promptly cut the oil return guide of iron core guiding to the outer circumferential face of the stator that is formed at motor, can not mix, thereby oil is guided to the motor lower portion space with the air-flow in the motor upper space.
In this compressor, the general directly structure under the store oil clan of seal container bottom that adopts from the lower end of the cutting iron core of stator outer circumferential face.
In addition, also have a kind of compressor, it possesses and makes liquid oil hold the return tube that directly returns store oil portion from upper spindle as the described compressor of patent documentation 1 (No. 3608401 communique of patent).
No. 3608401 communique of patent documentation 1 Japan special permission
Summary of the invention
But, according in recent years to the requirement that runs up of compressor, at seal container is under the situation of identical cabinet size, if the gas flow rate of internal tank accelerates, so, in the motor lower portion space, mix from crankshaft room oil return that falls and the air-flow that will rise, the possibility increase that oil raises up takes place.
In addition, be configured in the oil separation plate of the store oil top of seal container bottom, in order to ensure the oil that falls from crankshaft room, its part of about 1/3rd is cut.Therefore, oil and gas directly beat the pasta of store oil, and pasta gets muddled, and near pasta, dispersing once more of mist of oil might aggravate.The result causes the raise up increase of rate of oil.
For example, if increase the live axle revolution of compressor, so, the circulating load of the oil of seal container inside will increase, and the rate of descent of oil also can be accelerated, therefore, the oil mass of beaing the pasta of store oil also can increase, and therefore, dispersing once more of mist of oil will further aggravate.
In addition, as patent documentation 1 described compressor, if oil returns store oil portion by return tube, so, in order to ensure aisle spare and insulation distance, the sectional area of stator diminishes, and the such problem of electric efficiency also can occur having to sacrifice.
Technical task of the present invention is, provides a kind of and can prevent the compressor that oil raises up effectively again when guaranteeing electric efficiency.
The compressor of first invention comprises: as body casing, motor, compressing mechanism, oil return stream, the first oil return guide and the second oil return guide of seal container.The rotor that motor has the stator on the internal surface that is fixed on the body casing and can be configured in stator interior with rotating freely.Compressing mechanism is configured in the top of the motor of body casing inside, utilizes the rotary driving force of motor to come pressurized gas.The oil return stream forms between stator and body casing, is the stream that oil can descend therein.The first oil return guide is communicated with the upper opening of oil return stream.The second oil return guide is configured in the inside of body casing, is communicated with the lower openings of oil return stream.
Herein, owing to possess and between the stator of motor and body casing, form and oil return stream that oil can descend therein; The first oil return guide that is communicated with the upper opening of oil return stream; And be configured in the second oil return guide that the body casing is inner and is communicated with the lower openings of oil return stream, therefore, can prevent oily raising up in the lower space of motor.In addition, can under the situation of the shape that does not influence motor stator, guarantee the oil return stream.
The compressor of second invention is the compressor of first invention, and the oil return stream is made of the groove that extends in vertical of the outer circumferential face that is formed at stator.
Because the oil return stream is made of the groove that extends in vertical of the outer circumferential face that is formed at stator, therefore, do not need copper pipe that the oil return in the traditional approach uses etc. herein.In addition, can under the situation of the shape that does not influence stator, guarantee the oil return stream.
The compressor of the 3rd invention is the compressor of first invention, and the flow path cross sectional area of the second oil return guide is bigger than the flow path cross sectional area of the first oil return guide.
Herein, because the flow path cross sectional area of the second oil return guide is bigger than the flow path cross sectional area of the first oil return guide, therefore, not only can reduces the speed of fall of oil, and can suppress dispersing once more of oil.
The compressor of the 4th invention is the compressor of first invention, and it also possesses oil separation plate.Oil separation plate is configured in the below of the stator of body casing inside, separating oil from the gas that descends.The second oil return guide is fixed on the oil separation plate.
, because the second oil return guide is fixed on the oil separation plate, therefore, the second oil return guide can be installed in the fitting operation of oil separation plate herein, therefore, it is easy that the installation of the second oil return guide and location become.
The compressor of the 5th invention is the compressor of the 4th invention, is formed with breach on the part of the peripheral edge of oil separation plate.The second oil return guide is fixed on and forms position jaggy in the peripheral edge of oil separation plate.
Herein, because oil separation plate closes at the whole inner peripheral surface of body casing, and the second oil return guide is fixed in the peripheral edge of oil separation plate and forms position jaggy, and therefore, oil separation plate covers the whole pasta of the store oil portion of body bottom of shell.So because of the pasta disorder that causes at the inner air-flow that descends of body casing significantly reduces, the result is the dispersing once more of oil droplet that can prevent in the pasta.
The assembling method of the compressor of the 6th invention is the assembling method of the compressor of first invention.This assembling method comprises the first oil return guide installation procedure, stator installation procedure and the second oil return guide installation procedure.The first oil return guide installation procedure is installed the first oil return guide in the inside of body casing.Stator is installed in the position of stator installation procedure below the ratio first oil return guide of the inside of body casing more leans on.The second oil return guide is installed in position below the ratio stator of the second oil return guide installation procedure in the inside of body casing more leans on.
In this assembling method, owing to comprise the first oil return guide installation procedure and the second oil return guide installation procedure in the front and back of stator installation procedure, therefore, can not hinder stator with motor to be fixed on operation on the body casing, can be easily and the first oil return guide and the second oil return guide are installed are exactly made and be communicated with the oil return stream.
Description of drawings
Fig. 1 is the longitudinal section of the compressor that relates to of embodiments of the present invention.
Fig. 2 is the stereogram of the decline oil circuit in the casing inside of compressor of presentation graphs 1.
Fig. 3 is the amplification stereogram of the configuration of the first oil return guide of presentation graphs 1 and the second oil return guide.
Description of reference numerals
1, compressor
15, compressing mechanism
16, motor
51, stator
71, the first oil return guides
72, the second oil return guides
73, oil separation plate
74, the oil return stream
Embodiment
Then, with reference to the mode of execution of description of drawings compressor of the present invention.
(mode of execution)
Scroll compressor 1 shown in Figure 1 is the scroll compressor of high low pressure dome-shaped, and itself and vaporizer, condenser, expansion mechanism etc. together constitute refrigerant circuit, have the function that the refrigeration agent in this refrigerant circuit is compressed.
Scroll compressor 1 mainly is made of body casing 10, scroll compressor mechanism 15, cross slip ring 39, motor 16, bottom main bearing 60, suction pipe 19, discharge tube 20, the first oil return guide 71, the second oil return guide 72 and the oil separation plate 73 of lengthwise airtight dome-shaped cylindraceous.Below, each component parts of this scroll compressor 1 is described in detail.
[revolve compressor 1 component parts in detail]
(1) body casing
Body casing 10 is seal containers of lengthwise, and it has: slightly be body casing cylindraceous portion 11, be welded on the bowl-shape upper wall portions 12 of the upper end portion of body casing portion 11, be welded on the bowl-shape bottom wall portion 13 of the underpart of body casing portion 11 by air-tight by air-tight.In this body casing 10, mainly hold the scroll compression body 15 of compressed refrigerant and be configured in scroll compression body 15 below motor 16.This scroll compression body 15 and motor 16 link together by being arranged in the live axle 17 that extends along the vertical direction in the body casing 10.So the result produces clearance space 18 between scroll compression body 15 and motor 16.
(2) scroll compression body
As shown in Figure 1, scroll compression body 15 main by shell 23, be close to the fixed scroll 24 of the top that is configured in shell 23 and constituted with moving scroll 26 that fixed scroll 24 meshes.
Below, each component parts of this scroll compression body 15 is described in detail.
A) fixed scroll
As shown in Figure 1, fixed scroll 24 mainly constitutes by flat runner plate 24a and at the whirlpool part 24b of the formed whirlpool shape of the lower surface of runner plate 24a (involute shape).
On runner plate 24a, the exhaust port 41 that is communicated with pressing chamber 40 described later forms in the mode of the approximate centre of perforation runner plate 24a.Exhaust port 41 forms in the mode that above-below direction extends according to the middle body at runner plate 24a.
Exhaust port 41 forms at the upper surface of runner plate 24a.Enlarging recess 42 is made of the recess that broadens in the horizontal direction that the upper surface at runner plate 24a caves in.Lid 44 is fastened on the upper surface of fixed scroll 24 by bolt 44a in the mode that covers this expansion recess 42.Covered by lid 44 owing to enlarge recess 42, so form the silence space 45 that constitutes by expansion chamber of the operating sound of eliminating scroll compression body 15.Fixed scroll 24 and lid 44 by among the figure not the pad of expression be close to mutually and sealed.
B) moving scroll
As shown in Figure 1, the whirlpool part 26b of the whirlpool shape (involute shape) that mainly forms of moving scroll 26, the 26c of bearing portion that forms at the lower surface of runner plate 26a and the slot part 26d formation that forms in two ends of runner plate 26a by runner plate 26a, at the upper surface of runner plate 26a.
Moving scroll 26 is moving scroll of external drive.That is, moving scroll 26 has the bearing portion 26c chimeric with the outside of live axle 17.
By embed cross slip ring 39 in slot part 26d, moving scroll 26 is supported by shell 23.In addition, the upper end of live axle 17 is embedded among the 26c of bearing portion.Moving scroll 26 adopts this mode to be assembled in the scroll compression body 15, so rotation can not take place because of the rotation of live axle 17 in it, but revolution in casing 23.The whirlpool part 26b of moving scroll 26 and the whirlpool part 24b of fixed scroll 24 engagement are formed with pressing chamber 40 between the contact segment of two whirlpool part 24b, 26b.In this pressing chamber 40, along with the revolution of moving scroll 26, the volume between two whirlpool part 24b, 26b shrinks towards the center.In the scroll compressor 1 that present embodiment relates to, adopt this mode compressed refrigerant.
C) shell
D) other
In addition, though not expression among the figure,, in this scroll compression body 15, make near the service channel of refrigerant gas by extending at above-below direction the periphery that is formed at shell 23 of discharging, flow out to clearance space 18 then from the exhaust port 41 of fixed scroll 24.Refrigerant gas to clearance space 18 outflows, the iron core cutting part that its part forms by the outer circumferential face at the stator 51 of motor 16 etc., after the decline of motor 16 bottoms, by other risings such as iron core cutting part, be back to clearance space 18, then, in clearance space 18, mix with other refrigerant gas, discharge to the outside of body housing 10 from discharge tube 20 along the interior Zhou Xuanzhuan of 11 ones in body casing portion.
(3) cross slip ring
As mentioned above, cross slip ring 39 is to be used for the parts of spinning motion of anti-stop scroll 26, and it is embedded in the cross recess (not shown) that forms on the shell 23.Wherein, this cross recess is the groove of elliptical shape, is disposed at the mutual opposed position on the shell 23.
(4) motor
In the present embodiment, motor 16 is dc brushless motors, and the main rotor 52 of reserving some gaps (air gap channel) by the ring-type stator 51 on the internal face that is fixed on body casing 10 with in the inboard of stator 51 and being incorporated in wherein with free rotation mode constitutes.This motor 16 is configured to make the lower end of bearing portion 32 of the upper end of the coil-end 53 that the upside at stator 51 forms and shell 23 roughly to be positioned at the position of sustained height.
On stator 51, copper cash is wound onto in the armature tooth portion, up and the below be formed with coil-end 53.In addition, on the outer circumferential face of stator 51, be provided with from upper-end surface to the lower end surface of stator 51 and separate predetermined distance in a circumferential direction and form iron core cutting part jaggy in many places.By this iron core cutting part, between body casing portion 11 and stator 51, be formed with the motor refrigerating channel 55 that extends at above-below direction.
In addition, as Fig. 1~shown in Figure 2, between stator 51 and body casing 10, be formed with the oil return stream 74 that oil can descend.Oil return stream 74 is made of the groove shape iron core cutting part 51a that extends in vertical that the outer circumferential face at stator 51 forms.
Rotor 52 is configured in the live axle 17 of the shaft core position of body casing portion 11 by the mode of extending with above-below direction, links with the moving scroll 26 of scroll compression body 15 and is driven.
(5) bottom main bearing
Bottom main bearing 60 is provided in the lower space of motor 16 belows.This bottom main bearing 60 is fixed in the body casing portion 11, and constitutes the lower end side bearing of live axle 17, supporting driving shaft 17.
(6) suction pipe
Suction pipe 19 is used for the refrigeration agent of refrigerant circuit is guided to scroll compression body 15, is embedded in the upper wall portions 12 of body casing 10 by air-tight ground.Suction pipe 19 connects low-voltage space 29 at above-below direction, and its inner end is embedded in the fixed scroll 24.
(7) discharge tube
Discharge tube 20 is used for the refrigeration agent in the body casing 10 is discharged to the outside of body casing 10, is embedded in the body casing portion 11 of body casing 10 by air-tight ground.This discharge tube 20 the center of slave inner body surface towards below outstanding position opening.
(8) first oil return guides
As Fig. 1~shown in Figure 3, the first oil return guide 71 is the parts with the stream 71a that is communicated with between the upper opening 74a of the oily passage 35 that makes shell 23 and oil return stream 74.The first oil return guide 71 adopts formation stream 71a such as sheetmetal, according to the mode that is disposed between shell 23 and the motor 16, is fixed on the internal surface of body casing portion 11.
(9) second oil return guides
As Fig. 1~shown in Figure 3, the second oil return guide 72 is configured in the inside of body casing 10, and it is the parts with the stream 72a that is communicated with the lower openings 74b of oil return stream 74.The second oil return guide 72 adopts formation stream 72a such as sheetmetal.
The flow path cross sectional area of the stream 72a of the second oil return guide 72 is bigger than the flow path cross sectional area of the stream 71a of the first oil return guide 71.Therefore, when oil was flowed through among the wide stream 72a of the second oil return guide 72, flow velocity just descended.
In addition, the second oil return guide 72 is fixed on the oil separation plate 73 described later.The second oil return guide 72 has the length that roughly arrives the lower end of stator 51 from oil separation plate 73, and it is oily to guiding between the oil separation plate 73 at oil return stream 74.
(10) oil separation plate
As Fig. 1~shown in Figure 3, oil separation plate 73 is configured in the below of the stator 51 of body casing 10 inside, is the plate-shaped member of separating oil from the refrigerant gas that descends.Oil separation plate 73 is fixed on the lower face side of bottom main bearing 60.
Therefore, the refrigerant gas that descends towards the direction of motor lower portion arrives oil separation plate 73, is included in oily separated in the refrigeration agent.At this moment, refrigerant gas does not directly arrive the P of store oil portion of oil separation plate 73 belows, therefore can suppress dispersing once more of oil.
In addition, on the part of the peripheral edge of oil separation plate 73, be formed with breach 73a.The fixed-site that is formed with breach 73a in the peripheral edge of oil separation plate 73 has the second oil return guide 72.
(assembling method of scroll compressor 1)
Under the situation of assembling scroll compressor 1,, the first oil return guide 71 and the second oil return guide 72 need be installed in the operation before and after it for the stator 51 with motor 16 is pressed into the inside of the body casing portion 11 that is fixed on body casing 10.
That is, at first, adopt methods such as spot welding, the first oil return guide 71 is installed in the inner face (the first oil return guide installation procedure) of the body casing portion 11 of body casing 10.
Then, at the lower position of the first oil return guide 71 of body casing portion 11 inside of body casing 10, the stator 51 of motor 16 is pressed into fixing (hot pressing) body casing portion 11 inside (stator installation procedure) after adding thermal expansion.When this is pressed into fixedly, position make that the oil return stream 74 of iron core cutting part 51a and the first oil return guide 71 are communicated with after, be pressed into stator 51 fixing.
Then, at the lower position of the stator 51 of body casing portion 11 inside of body casing 10, under the state that the second oil return guide 72, oil separation plate 73 and bottom main bearing 60 are combined into one, install (the second oil return guide installation procedure).Bottom main bearing 60 is fixed in the body casing portion 11.When fixing bottom main bearing 60, position make that the oil return stream 74 of iron core cutting part 51a and the second oil return guide 72 are communicated with after, fixedly the bottom main bearing 60.
According to said sequence, can be under situation about not hindering in the operation of the stator 51 of fixed electrical machinery 16 on the body casing 10, the first oil return guide 71 and the second oil return guide 72 are installed are made and be communicated with the oil return stream 74 of iron core cutting part 51a.
(running operation of scroll compressor 1)
Next, with reference to Fig. 1, carry out simple explanation at the running operation of scroll compressor 1.At first, if drive motor 16, live axle 17 will rotate, moving scroll 26 not rotations, but revolve round the sun.So the refrigeration agent of low pressure is by suction pipe 19, attracted to the pressing chamber 40 from the perimeter sides of pressing chamber 40, along with the volume-variation of pressing chamber 40 is compressed, become the refrigerant gas of high pressure.Then, this higher pressure refrigerant gas is discharged to silence space 45 by exhaust port 41 backs from the central part of pressing chamber 40, then, by flowing out to clearance space 18 behind the passage (not shown) of shell 23, after the part of this refrigerator gas is shunted, flow at circumferencial direction along body casing portion 11 inner peripheral surfaces.Wherein, at this moment, the lubricant oil of sneaking in the refrigerant gas is separated.On the other hand, the other parts of the refrigerant gas after the shunting in motor refrigerating channel 55 towards following side flow, after flowing to the motor lower portion space, reverse, in air gap channel between stator 51 and rotor 52 or other the motor refrigerating channel 55 towards above flow.Then, the refrigerant gas of rising in clearance space 18 with other refrigerant gas interflow, discharge to the outside of body casing 10 from discharge tube 20.After the refrigerant gas of discharging to body casing 10 outsides circulates in refrigerant circuit, suck in scroll compression body 15 by suction pipe 19 once more and be compressed.
At this moment, owing to do not contacted with the refrigerant gas that rises by other motor refrigerating channel 55 backs by the oil of the oil return stream 74 of the first oil return guide 71, iron core cutting part 51a and the 72 guiding back declines of the second oil return guide, therefore, raising up of oil can not taken place.
(feature of mode of execution)
(1)
In the scroll compressor 1 of present embodiment, comprise: between the stator 51 of motor 16 and body casing 10, form and oil return stream 74, the first oil return guide 71 that is communicated with the upper opening 74a of oil return stream 74, inside that is configured in body casing 10 that oil can descend and the second oil return guide 72 that is communicated with the upper opening 74a of oil return stream 74, therefore, lower space at motor 16, refrigerant gas directly contact with oil return from crankshaft room 31 descends, can prevent oily raising up.In addition, can under the situation of the shape that does not influence stator 51, guarantee the oil return stream 74 of isolating with refrigerant gas.
(2)
In addition, as the traditional compressor of being put down in writing in the patent documentation 1, with copper pipe etc. the oil return from crankshaft room 31 is back in the mode of pasta, in order to ensure aisle spare and insulation distance, having to sacrifice electric efficiency is cost, and in the scroll compressor 1 of present embodiment, owing to do not need to form special iron core cutting profile, thereby can not influence electric efficiency.Therefore, compressor efficiency can be do not reduced, the raise up increase of rate of oil can be suppressed.
(3)
And in the scroll compressor 1 of present embodiment, as oil return stream 74, it is that iron core cutting part 51a constitutes by the groove that extends in vertical that forms with the outer circumferential face of stator 51, therefore, does not need oil return in the traditional approach with copper pipe etc.In addition, can under the situation of the shape that does not influence stator 51, guarantee the oil return stream 74 of isolating with refrigerant gas.
(4)
In addition, in the scroll compressor 1 of present embodiment, because the flow path cross sectional area of the second oil return guide 72 is bigger than the flow path cross sectional area of the first oil return guide 71, when oil is flowed through among the wide stream 72a of the second oil return guide 72, flow velocity just descends, because therefore the speed in the time of can reducing the P of store oil portion that falls into oil separation plate 73 belows, can suppress dispersing once more of oil.
(5)
In addition, in present embodiment scroll compressor 1, also possesses the below that is disposed at the stator 51 in body casing 10 inside and the oil separation plate 73 of separating oil from the refrigerant gas that descends, and, because the second oil return guide 72 is fixed on the oil separation plate 73, thereby the second oil return guide 72 can be installed in the fitting operation of oil separation plate 73, therefore, it is easy that the fitting operation of the second oil return guide 72 and location become.
(6)
In addition, in the scroll compressor 1 of present embodiment, form breach 73a on the part of the peripheral edge of oil separation plate 73, the second oil return guide 72 is fixed on the position of the formation breach 73a in the oil separation plate 73.Therefore, because oil separation plate 73 covers the whole pasta of the store oil P of portion, thereby the pasta disorder that causes at the body casing 10 inner air-flows that descend can significantly reduce, and so just can prevent that the oil droplet in the pasta from dispersing once more.
(7)
In addition, in the assembling method of the scroll compressor 1 of present embodiment, comprise: the second oil return guide installation procedure that the second oil return guide 72 is installed in the stator installation procedure of the first oil return guide installation procedure of the first oil return guide 71, the ratio first oil return guide 71 in the body casing 10 inside position below more leaning on being installed by stator 51 and the ratio stator 51 in the body casing 10 inside position below more leaning on is installed in the inside of body casing 10.
Therefore, can not hinder stator 51 to be fixed under the situation of the operation in the body casing 10, the first oil return guide 71 and the second oil return guide 72 are being installed easily and exactly be made and be communicated with the oil return stream 74 of iron core cutting part 51a with motor 16.In addition, like this, even number of spare parts increases, the assembling of compressor is also easy, therefore, can suppress the decline of service speed.
(variation)
(A)
In the scroll compressor 1 of mode of execution, the second oil return guide 72 is fixed on the oil separation plate 73, and still, the present invention is not limited thereto, also the second oil return guide 72 directly can be fixed on the bottom main bearing 60.In the case, the installation of the second oil return guide 72 and location become easily, and it is easy that the assembling of compressor also becomes.
(B)
Refrigeration agent as compressor compresses of the present invention preferably adopts HFC (hydrogen fluorine carbide), molecular formula C
3H
mF
n(still, m and n are the integers below 5 more than 1, and the relation of m+n=6 is set up) expression and molecular configuration in have the refrigeration agent of 1 two key or comprise the mix refrigerant of this refrigeration agent.In addition, also can adopt other refrigeration agent.
Claims (6)
1. a compressor (1), it comprises:
Body casing (10) as seal container;
Have the stator (51) on the internal surface that is fixed in described body casing (10) and can be disposed at the motor (16) of the inner rotor (52) of described stator (51) with rotating freely;
Be disposed at the top of the inner described motor (16) of described body casing (10), utilize the compressing mechanism (15) of the rotary driving force pressurized gas of described motor (16);
Be formed between described stator (51) and the described body casing (10) the oil return stream (74) that oil can descend therein;
The first oil return guide (71) that is communicated with the upper opening of described oil return stream (74); With
Be disposed at the inside of described body casing (10), the second oil return guide (72) that is communicated with the lower openings of described oil return stream (74).
2. compressor as claimed in claim 1 (1) is characterized in that:
Described oil return stream (74) is made of the groove that extends in vertical of the outer circumferential face that is formed at described stator (51).
3. compressor as claimed in claim 1 (1) is characterized in that:
The flow path cross sectional area of the described second oil return guide (72) is bigger than the flow path cross sectional area of the described first oil return guide (71).
4. compressor as claimed in claim 1 (1) is characterized in that:
Also comprise the below that is disposed at the inner described stator (51) of described body casing (10), from described gas, separate the oil separation plate (73) of the oil that descends by described oil return stream (74),
The described second oil return guide (72) is fixed on the described oil separation plate (73).
5. compressor as claimed in claim 4 (1) is characterized in that:
On the part of the peripheral edge of described oil separation plate (73), be formed with breach (73a),
The described second oil return guide (72) is fixed in the position that is formed with described breach (73a) in the peripheral edge of described oil separation plate (73).
6. the assembling method of a compressor (1) is the assembling method of compressor as claimed in claim 1 (1), comprising:
At the inner first oil return guide installation procedure that the described first oil return guide (71) is installed of described body casing (10);
The described first oil return guide (71) of ratio in described body casing (10) inside is more installed the stator installation procedure of described stator (51) by the position of below; And
The described stator of ratio (51) in described body casing (10) inside is more installed the second oil return guide installation procedure of the described second oil return guide (72) by the position of below.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009128071A JP5444850B2 (en) | 2009-05-27 | 2009-05-27 | Compressor |
JP2009-128071 | 2009-05-27 |
Publications (2)
Publication Number | Publication Date |
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CN101900114A true CN101900114A (en) | 2010-12-01 |
CN101900114B CN101900114B (en) | 2014-11-26 |
Family
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CN201010193463.6A Expired - Fee Related CN101900114B (en) | 2009-05-27 | 2010-05-27 | Compressor |
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JP (1) | JP5444850B2 (en) |
CN (1) | CN101900114B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102705236A (en) * | 2012-07-03 | 2012-10-03 | 南京奥特佳冷机有限公司 | Commercial efficient safety type scroll compressor with low energy consumption |
CN108700076A (en) * | 2016-04-14 | 2018-10-23 | 三菱重工制冷空调系统株式会社 | Sealed split-compressor |
CN109477474A (en) * | 2016-07-28 | 2019-03-15 | 松下知识产权经营株式会社 | Compressor |
CN112855533A (en) * | 2021-01-21 | 2021-05-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor and air conditioning equipment |
CN113167266A (en) * | 2019-04-03 | 2021-07-23 | 日立江森自控空调有限公司 | Compressor and air conditioner |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5429319B2 (en) * | 2012-03-30 | 2014-02-26 | ダイキン工業株式会社 | Compressor |
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JP2005184874A (en) * | 2003-12-16 | 2005-07-07 | Hitachi Industrial Equipment Systems Co Ltd | Motor compressor |
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JPH0814181A (en) * | 1994-06-24 | 1996-01-16 | Matsushita Electric Ind Co Ltd | Sealed type electric compressor |
CN1181128A (en) * | 1995-04-07 | 1998-05-06 | 美国标准公司 | Gas flow and lumbrication of scrool compressor |
CN1174594A (en) * | 1995-10-17 | 1998-02-25 | 大金工业株式会社 | Refrigerant compressor |
JPH09287579A (en) * | 1996-04-22 | 1997-11-04 | Hitachi Ltd | Closed type scroll compressor |
CN1222652A (en) * | 1997-12-18 | 1999-07-14 | 三菱重工业株式会社 | Closed-type scroll compressor |
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CN108700076A (en) * | 2016-04-14 | 2018-10-23 | 三菱重工制冷空调系统株式会社 | Sealed split-compressor |
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Also Published As
Publication number | Publication date |
---|---|
JP5444850B2 (en) | 2014-03-19 |
CN101900114B (en) | 2014-11-26 |
JP2010275901A (en) | 2010-12-09 |
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