CN104145116A - A compressor comprising an oil sucking member - Google Patents
A compressor comprising an oil sucking member Download PDFInfo
- Publication number
- CN104145116A CN104145116A CN201280065363.2A CN201280065363A CN104145116A CN 104145116 A CN104145116 A CN 104145116A CN 201280065363 A CN201280065363 A CN 201280065363A CN 104145116 A CN104145116 A CN 104145116A
- Authority
- CN
- China
- Prior art keywords
- motion portion
- foot
- oil pumping
- compressor
- oil
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0238—Hermetic compressors with oil distribution channels
- F04B39/0246—Hermetic compressors with oil distribution channels in the rotating shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0261—Hermetic compressors with an auxiliary oil pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention relates to a compressor (1) comprising a casing (2) wherein the oil lubricating the movable members is placed, a body (3) situated in the casing (2), at least two feet (4) whereon the body (3) is seated, a support member (5, 105) that connects the two feet (4), a motor (6) situated on the body (3), a crankshaft (7) that transmits the movement of the motor (6) to the piston and that has an opening (8) extending from the lower end thereof to the upper end and an oil sucking member (9) that provides the oil to be delivered to the other movable members and that is placed at the lower end of the crankshaft (7) so that one end thereof enters into the opening (8) and the other into the oil at the base of the casing (2), and wherein the lubrication efficiency is improved.
Description
Technical field
The present invention relates to a kind of hermetic compressor with oil pumping parts, its lubricating efficiency is enhanced.
Background technique
In the reciprocal hermetic compressor using in refrigerator, sliding bearing and other moving element are lubricated by the oil being arranged in compressor housing, and wherein bent axle turns round in sliding bearing.In compressor, the lubricated frictional loss that has reduced moving element, wear prevention and reduce temperature by the heat of removing on compressor part.In compressor lubrication system, the oil of housing bottom is extracted, and needs lubricated bearing and compressor part to be delivered to.In general, utilize the rotation of bent axle and the oil of housing bottom is delivered to bearing by the centrifugal force that acts on oil.
In the capacity variable type compressor using, by changing compressor rotational speed, provide the refrigerating capacity changing according to operational condition in refrigerator.In order to carry required oil, the lower end in bent axle is immersed into oil that cylindrical oil pumping parts are set the compressor motor low-speed running in the situation that, it has screw type oil delivery chute.These oil pumping parts are to be arranged on the spin axis of bent axle with the concentric mode of bent axle.Being arranged in the inner oil pumping parts that extend of bent axle has increased the lubricating efficiency of compressor.Along with the eccentricity between oil pumping parts and the axis of bent axle increases, lubricating efficiency reduces, and can not for example, carry sufficient oil to moving element (piston rod-crank pin, piston-cylinder).
In some compressors of the prior art, oil pumping parts manufacture the foot's one with main body.In manufacture process at this direct impact oil pumping parts with respect to the parts of the position of bent axle, only allow very little tolerance.But, in only oil pumping parts being put, during in the mid point of foot, have problems sometimes.Therefore, the Axial eccentricity ratio between bent axle and oil pumping parts increases, and this causes lubricating efficiency to decline.In the case of the internal surface of oil pumping parts contact bent axle, compressor wasted power, and wearing and tearing oil pumping parts.The particle departing from from oil pumping parts damages compressor, and sometimes even makes compressor shutdown.In addition,, even if bent axle and oil pumping are during parts are suitably set in assembling process, the vibration producing in compressor operation process also can cause Axial eccentricity ratio.
In the american documentation literature US6716001 of prior art, a kind of compressor is described, the oil pumping parts that it comprises two supporting frames between the diagonal angle of main body foot and is positioned at two supporting frame point of intersection.
In No. 03012297 document of International Patent Application WO of prior art, a kind of compressor has been described, it comprises the compliant member at the feature bottom place that pumps.Due to the structure at its bottom place, oil pumping parts can be inner mobile at bent axle.In this embodiment, also there are the parts of the parts rotation that prevents from pumping.
Summary of the invention
Object of the present invention, for by operating with one heart oil pumping parts and bent axle, realizes the compressor that a kind of greasy property is improved.
Comprise at least one supporting part of at least Liang Ge foot that is connected main body at technological scheme 1 and compressor that illustrate, that realize in order to reach the object of the invention in each subordinate technological scheme.Supporting part has the stationary part being connected with foot and the motion portion moving with respect to stationary part.In the time of compressor operation, bent axle rotates together with motor, but the parts of pumping keep static.Oil pumping parts, due to connected motion portion, bear the centripetal force that bent axle is subject to owing to rotatablely moving, and in movement process, keep concentric with bent axle.These parts that make to pump extract more heavy wool and are guided to other moving element within the unit time.
In an embodiment of the invention, main body is positioned in four foots.Foot is positioned at the angle place of rectangle, and the limit of rectangle is substantially equal in length.The central point of four foots is positioned at identical vertical direction with the opening that is provided with oil pumping parts.
In an embodiment of the invention, stationary part is formed as connecting the flat rod of Liang Ge foot.Before stationary part is arranged in foot, by being positioned at the groove at motion portion center, motion portion is arranged on stationary part.Afterwards, be arranged in foot with the stationary part of motion portion combination.In this embodiment, motion portion moves on stationary part and along stationary part.
In another embodiment of the present invention, stationary part comprises two hollow arm, and two hollow arm are from Liang Ge foot towards extending each other, to do not contact each other.On the other hand, motion portion comprises connector and two shanks being located at its both sides.Thereby shank is arranged on the direction that moves forward and backward and make connector to connect between foot along them in arm and moves.In movement process, in a shank enters an arm time, another shank leaves another arm.
In an embodiment of the invention, supporting part extends between two foots each other in diagonal angle setting.In this embodiment, oil pumping parts are located immediately in motion portion and together with motion portion and move on stationary part.Because the oil receiving from housing by oil pumping parts is also transported to motion portion, therefore motion portion can easily slide on stationary part.
In another embodiment of the present invention, supporting part connects two adjacent foots.In this embodiment, oil pumping parts are arranged in motion portion by connecting rod.Because oil pumping parts are not arranged on supporting part, therefore still less load acts on supporting part.
In an embodiment of the invention, connecting rod is the bridge between parts as motion portion and oil pumping, and by shortening and extending, the change of distance that makes motion portion and pump between parts.Thereby oil pumping parts move on the both direction being perpendicular to one another substantially, have increased thus kinematic accuracy.
In an embodiment of the invention, compressor comprises extension part, and it is arranged on oil pumping parts by one end and the other end is arranged on connecting rod, connects oil pumping parts and connecting rod.Between the parts that extension part connects at it, provide height difference.Correspondingly, oil pumping parts are positioned at lower height with respect to connecting rod.The more close oil meter face of oil pumping parts, has increased its greasy property.
In an embodiment of the invention, connecting rod is made up of elastic material.Thereby the oscillating movement on vertical direction is also absorbed, and the parts that can prevent from pumping contact with bent axle.
In an embodiment of the invention, on the outer surface of oil pumping parts, be provided with the helical recess of extending along oil pumping parts.Oil, by moving in these recesses, moves up in parts in oil pumping, and moves towards other moving element leaving after oil pumping parts.
By the present invention, during having prevented compressor operation, between oil pumping parts and bent axle, produce axially bias, and effectively realized greasing.
Brief description of the drawings
The compressor of realizing in order to reach the object of the invention represents in the accompanying drawings, wherein,
Fig. 1 is the partial view of compressor.
Fig. 2 is the stereogram of main body and foot.
Fig. 3 is the supporting part that one embodiment of the present invention relates to, the decomposition view of oil pumping parts and foot.
Fig. 4 is the supporting part that one embodiment of the present invention relates to, the stereogram of oil pumping parts and foot.
Fig. 5 is the supporting part that another mode of execution of the present invention relates to, the stereogram of oil pumping parts and foot.
Fig. 6 is the supporting part that another mode of execution of the present invention relates to, oil pumping parts, connecting rod, the stereogram of extension part and foot.
Fig. 7 is the supporting part that another mode of execution of the present invention relates to, oil pumping parts, connecting rod, the stereogram of extension part and foot.
Fig. 8 is the supporting part that another mode of execution of the present invention relates to, oil pumping parts, connecting rod, extension part, the stereogram of main body and foot.
Element number shown in accompanying drawing is as follows:
1 compressor
2 housings
3 main bodys
4 foots
5,105 supporting parts
6 motors
7 bent axles
8 openings
9 oil pumping parts
10,110 stationary part
11,111 motion portions
12 grooves
13 arms
14 connectors
15 shanks
16 connecting rods
17 extension parts.
Embodiment
Compressor (1) comprising: housing (2), is provided with the oil of lubricating movement part in housing (2); Be positioned at the main body 3 of housing (2); At least Liang Ge foot (4), main body (3) is arranged in foot (4); Connect the supporting part (5,105) of Liang Ge foot (4); Be positioned at the motor (6) in main body (3); Bent axle (7), its motion by motor (6) is passed to piston, and has opening (8), and opening (8) extends to upper end from the lower end of bent axle; And oil pumping parts (9), oil pumping parts (9) provide and will be delivered to the oil of other moving element and be located at the lower end of bent axle (7), and one end of the parts (9) that make to pump enters in opening (8) and the other end enters in the oil of bottom of housing (2) (Fig. 1).
Along with the running of compressor (1), the rotor with the motor (6) of rotor and stator starts rotation, and its motion is passed to bent axle (7).The rotating speed that relies on bent axle (7), the oil of bent axle (7) bottom moves under the action of the centrifugal, and delivers in bent axle (7) by opening (8).Oil pumping parts (9) are arranged at bent axle (7) from the lower end of bent axle (7), the at least a portion of parts (9) of making to pump suspends downwards from bent axle (7), and oil pumping parts (9), than the more close oil meter face of bent axle (7), make to receive more heavy wool and enter the interior also transferring oil of bent axle (7) to the point of bent axle (7) internal upper part.
In compressor of the present invention (1), supporting part (5,105) comprise the stationary part (10 that is connected to Liang Ge foot (4), 110), and motion portion (11,111), oil pumping parts (9) are connected in motion portion, motion portion (11,111) moves along the line that connects foot (4) on stationary part (10,110).Motion portion (11,111) is all removable on both direction along the line between Liang Ge foot (4).In the time that bent axle (7) rotates, the oil pumping parts (9) that connect with motion portion (11,111) are subject to centripetal force, and the displacement due to the motion of motion portion (11,111), thus these power of balance.Thereby during bent axle (7) rotation, oil pumping parts (9) can be concentric with bent axle (7) all the time, thus, can prevent greasy property decline (accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, accompanying drawing 7, accompanying drawing 8).
In an embodiment of the invention, compressor (1) comprises four foots (4), and these four foots (4) form rectangle, make the projection of opening (8) be positioned at rectangular centre.In this embodiment, the central point of supporting part (5,105) substantially with opening (8) in same vertical height.
In an embodiment of the invention, supporting part (5,105) comprise the stationary part (10) that connects constantly Liang Ge foot (4) and the motion portion (11) with groove (12), groove (12) is positioned at the center of motion portion (11), thereby motion portion (11) is slidably mounted in stationary part (10).In this embodiment, be arranged on stationary part (10) afterwards in motion portion (11), stationary part (10) is arranged in foot (4).After stationary part (10) is arranged in foot (4), motion portion (11) can not separate with stationary part (10), and on stationary part (10), move linearly (accompanying drawing 3, accompanying drawing 4, accompanying drawing 6).
In another embodiment of the present invention, supporting part (5,105) comprise stationary part (110) and the motion portion (111) with two hollow arm (13), hollow arm (113) is from Liang Ge foot (4) towards extending each other, motion portion (111) has connector (14) and two shanks (15), one end of each shank (15) is fixed to one end of connector (14), and the other end of each shank (15) is arranged in each arm (13), thereby carry out fore and aft motion together with arm (13).In this embodiment, shank (15) moves forward and backward and makes connector (14) to change position between foot (4) in arm (13).By the shrinking structure of shank (15) and arm (13), increase the kinematic accuracy of the oil pumping parts (9) that are connected with connector (14).Thus, reduced the Axial eccentricity ratio (accompanying drawing 5, accompanying drawing 7, accompanying drawing 8) between oil pumping parts (9) and bent axle (7).
In an embodiment of the invention, supporting part (5) connects the foot (4) at two diagonal angles.In this embodiment, oil pumping parts (9) are arranged in motion portion (11,111).In this embodiment, the wheel that motion portion (11,111) moves on stationary part (10,110) as the parts (9) that make to pump.In a kind of mode of this mode of execution, oil pumping parts (9) are made together with motion portion (11,111), thereby easily manufacture (accompanying drawing 3, accompanying drawing 4, accompanying drawing 5).
In another embodiment of the present invention, supporting part (105) connects two adjacent foots (4).In this embodiment, compressor (1) comprises the connecting rod (16) that connects motion portion (11,111) and oil pumping parts (9).The height of this connecting rod (16) from motion portion (11,111) towards opening (8) extends.In this embodiment, between oil pumping parts (9) and oil meter face, there is no parts.Thereby oil pumping parts (9) extract more oil within the unit time, have increased thus the lubricating efficiency (accompanying drawing 6, accompanying drawing 7, accompanying drawing 8) of compressor (1).
In a kind of mode of this mode of execution, connecting rod (16) can change the distance between motion portion (11,111) and oil pumping parts (9).Thereby oil pumping parts (9) can move along two different direction in same plane, and oil pumping parts are during (9) can put with bent axle (7) more accurately.In this embodiment, connecting rod (16) preferably has shrinking structure (accompanying drawing 7, accompanying drawing 8).
In an embodiment of the invention, compressor (1) comprises the motion portion (11 that connects, 111) and oil pumping parts (9) extension part (17), make to there is height difference between motion portion (11,111) and oil pumping parts (9).By the height difference between extension part (17) two ends, oil pumping parts (9) are lower than motion portion (11,111).Thereby in the time that oil pumping parts (9) are immersed in oil, motion portion (11,111) is higher than oily height (accompanying drawing 6, accompanying drawing 7, accompanying drawing 8).
In an embodiment of the invention, connecting rod (16) is made up of elastic material.Thereby oil pumping parts (9) can also absorb the vibration that vertical direction produces by gum.
According to the present invention, oil pumping parts (9) are arranged between compressor (1) on-stream period and bent axle (7) concentric locating.Thereby the oil in housing (2) more effectively distributes in compressor (1) inside.In addition,, because the parts (9) that prevent from pumping contact with the internal surface of bent axle (7), the parts (9) that therefore prevent from pumping wear and tear and the decrease in efficiency that produces in time.
Be appreciated that and the invention is not restricted to above-described mode of execution, and those skilled in the art are easy to propose different mode of executions.These will be understood that in the protection domain that falls into claim request of the present invention.
Claims (9)
1. a compressor (1), comprising: housing (2), is provided with the oil of lubricating movement part in housing (2); Be positioned at the main body (3) of housing (2); At least Liang Ge foot (4), main body (3) is arranged in foot (4); Connect the supporting part (5,105) of Liang Ge foot (4); Be positioned at the motor (6) in main body (3); Bent axle (7), its motion by motor (6) is passed to piston, and has opening (8), and opening (8) extends to upper end from the lower end of bent axle; And oil pumping parts (9), oil pumping parts (9) provide the oil that will be delivered to other moving element the lower end that is located at bent axle (7), make to pump one end of parts (9) enters in opening (8) and the other end enters in the oil of bottom of housing (2), it is characterized in that
Supporting part (5,105) there is stationary part (10,110) and motion portion (11,111), stationary part (10,110) be connected with Liang Ge foot (4), it is upper that oil pumping parts (9) are connected to motion portion (11,111), and motion portion (11,111) on stationary part (10,110), move along the line that connects foot (4).
2. compressor according to claim 1, is characterized in that, four foots (4) form rectangle, make the projection of opening (8) be positioned at rectangular centre.
3. compressor according to claim 1 and 2, it is characterized in that, stationary part (10) connects Liang Ge foot (4) constantly, and motion portion (11) comprises the groove (12) that is positioned at its center, motion portion (11) is slidably mounted in stationary part (10).
4. compressor according to claim 1 and 2, it is characterized in that, stationary part (110) has from Liang Ge foot (4) towards two hollow arm (13) of extending each other, and motion portion (111) has connector (14) and two shanks (15), one end of connector (14) is fixed in one end of each shank (15), the other end of each shank (15) is arranged in each arm (13), thereby forms fore and aft motion together with arm (13).
5. according to the compressor described in any one in claim 2 to 4, it is characterized in that, supporting part (5) has the motion portion (11 of the foot (4) that connects two diagonal angles, 111), and oil pumping parts (9) are arranged in this motion portion (11,111).
6. according to the compressor described in any one in claim 2 to 4, it is characterized in that, supporting part (105) connects two adjacent foots (4), and connecting rod (16) connects motion portion (11,111) and oil pumping parts (9).
7. compressor according to claim 6, is characterized in that, connecting rod (16) can change the distance between motion portion (11,111) and oil pumping parts (9).
8. according to the compressor described in claim 6 or 7, it is characterized in that, extension part (17) connects motion portion (11,111) and the parts (9) of pumping, and makes between them, to have height difference.
9. according to the compressor described in any one in claim 6 to 8, it is characterized in that, connecting rod (16) is made up of elastic material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TR201113084 | 2011-12-27 | ||
| TRA2011/13084 | 2011-12-27 | ||
| PCT/EP2012/076000 WO2013098130A1 (en) | 2011-12-27 | 2012-12-18 | A compressor comprising an oil sucking member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104145116A true CN104145116A (en) | 2014-11-12 |
| CN104145116B CN104145116B (en) | 2017-03-01 |
Family
ID=47522533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280065363.2A Expired - Fee Related CN104145116B (en) | 2011-12-27 | 2012-12-18 | There is the compressor of pumping components |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2798220A1 (en) |
| CN (1) | CN104145116B (en) |
| WO (1) | WO2013098130A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351841A (en) * | 2016-11-24 | 2017-01-25 | 黄石艾博科技发展有限公司 | Reinforced inner support structure for refrigeration compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87209714U (en) * | 1987-06-28 | 1988-08-17 | 尹刚勇 | Adjustable pre-poisitioning rack |
| US20020172607A1 (en) * | 2001-05-18 | 2002-11-21 | Lg Electronics, Inc. | Oil supply apparatus for hermetic compressor |
| KR20020088640A (en) * | 2001-05-18 | 2002-11-29 | 주식회사 엘지이아이 | Oil Pumping apparatus for hermetic compressor |
| US20040208758A1 (en) * | 2001-07-28 | 2004-10-21 | Cheal-Ki No | Oil supply device for compressor in refrigerating system |
| CN1701182A (en) * | 2003-03-14 | 2005-11-23 | 松下电器产业株式会社 | Compressor |
| CN101878369A (en) * | 2008-10-07 | 2010-11-03 | 惠而浦股份有限公司 | The erecting device that is used for the oil pump of refrigeration compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT238840Y1 (en) * | 1995-02-23 | 2000-11-15 | Zanussi Elettromecc | HERMETIC ALTERNATIVE COMPRESSOR WITH PERFECTED DILUBRIFICATION SYSTEM |
| SI1092092T1 (en) * | 1998-07-01 | 2003-06-30 | Zanussi Elettromeccanica S.P.A. | Oil pump for a hermetic compressor |
| JP4380630B2 (en) * | 2003-03-14 | 2009-12-09 | パナソニック株式会社 | Compressor |
-
2012
- 2012-12-18 CN CN201280065363.2A patent/CN104145116B/en not_active Expired - Fee Related
- 2012-12-18 WO PCT/EP2012/076000 patent/WO2013098130A1/en active Application Filing
- 2012-12-18 EP EP12812941.8A patent/EP2798220A1/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87209714U (en) * | 1987-06-28 | 1988-08-17 | 尹刚勇 | Adjustable pre-poisitioning rack |
| US20020172607A1 (en) * | 2001-05-18 | 2002-11-21 | Lg Electronics, Inc. | Oil supply apparatus for hermetic compressor |
| KR20020088640A (en) * | 2001-05-18 | 2002-11-29 | 주식회사 엘지이아이 | Oil Pumping apparatus for hermetic compressor |
| US20040208758A1 (en) * | 2001-07-28 | 2004-10-21 | Cheal-Ki No | Oil supply device for compressor in refrigerating system |
| CN1701182A (en) * | 2003-03-14 | 2005-11-23 | 松下电器产业株式会社 | Compressor |
| CN101878369A (en) * | 2008-10-07 | 2010-11-03 | 惠而浦股份有限公司 | The erecting device that is used for the oil pump of refrigeration compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351841A (en) * | 2016-11-24 | 2017-01-25 | 黄石艾博科技发展有限公司 | Reinforced inner support structure for refrigeration compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104145116B (en) | 2017-03-01 |
| WO2013098130A1 (en) | 2013-07-04 |
| EP2798220A1 (en) | 2014-11-05 |
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 Termination date: 20171218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |