CN1904368A - Rotary compressor - Google Patents

Rotary compressor Download PDF

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Publication number
CN1904368A
CN1904368A CNA2005101173615A CN200510117361A CN1904368A CN 1904368 A CN1904368 A CN 1904368A CN A2005101173615 A CNA2005101173615 A CN A2005101173615A CN 200510117361 A CN200510117361 A CN 200510117361A CN 1904368 A CN1904368 A CN 1904368A
Authority
CN
China
Prior art keywords
combination
cylinder
rotary compressor
fixing part
roller
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
Application number
CNA2005101173615A
Other languages
Chinese (zh)
Other versions
CN100436829C (en
Inventor
早野诚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN1904368A publication Critical patent/CN1904368A/en
Application granted granted Critical
Publication of CN100436829C publication Critical patent/CN100436829C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F04C29/0035—Equalization of pressure pulses
    • 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
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • 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
    • F04C2210/00—Fluid
    • F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/20—Manufacture essentially without removing material
    • F04C2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F04C2230/231—Manufacture essentially without removing material by permanently joining parts together by welding
    • 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
    • F04C2240/00—Components
    • F04C2240/40—Electric motor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

Disclosed is a rotary compressor which can remarkably reduce the libration during the operation period. The rotary compressor according to the invention is characterized by being provided with: a casing forming a closed inner room; a cylinder disposed inside of the casing with an inner room; a rotary shaft through the cylinder; a roller arranged inside of the cylinder for compressing the operation liquid by eccentricly rotating; a flange for sealing the cylinder and supporting the shaft; a combination for connecting the cylinder with the flange; a plurality of fixing members disposed on the outer of the combination for fixing the combination; the first fixing part is installed on a position wherein the combination bearing a maximal counterforce, generated from compressing the operation liquid in the cylinder by the roller.

Description

Rotary compressor
Technical field
The present invention relates to a kind of rotary compressor, relate in particular to the shell that is used for fixing hermetic rotary compressor inside and in conjunction with the fixing part of the combination of cylinder and upper flange.
Background technique
Usually, compressor is used for multiple products such as air conditioner, refrigerator for fluids such as forced air, refrigeration agent after drive units such as motor reception power compress and discharge the device of compressed fluid.
Have a kind ofly in this compressor, this Japanese publication communique " spy opens clear 60-201095 number " has been disclosed an example of this rotary compressor at the rotary compressor of cylinder internal by the roller compressed fluid of eccentric state rotation.
Disclose as above-mentioned document, the enclosure that is used for sealed inside of rotary compressor comprises: as the cylinder in the space of compressed refrigerant; The rotating shaft that connects described cylinder and rotate by drive motor; Carry out eccentric rotation and the roller of compression cylinder internal refrigeration storage agent by described rotating shaft; Be incorporated into the flange of supporting rotating shaft when described cylinder is used to seal cylinder.
In the aforesaid rotary compressor cylinder and flange major part by bolt in conjunction with and forms combination, and on described flange formation a plurality of weld parts and make it be engaged in described shell, thereby make combination be fixed in shell.
This existing rotary compressor is when the rotation of the roller of cylinder internal and during compressed refrigerant, be compressed refrigeration agent and apply load to roller, described load passes on the flange of supporting rotating shaft by rotating shaft, and, this weld part by described flange and shell is born described load towards radially the acting on of described combination.
But, roller is subjected to the load that is compressed refrigeration agent of cylinder internal and non-constant, but change to some extent according to the angle of rotation of roller, and weld part described in the existing compressor is formed at the arbitrary position, thereby can not support to act on the maximum load of described combination fully at the described weld part of moment that roller is subjected to maximum load.Therefore, combination moment property ground tilts and produces to vibrate towards the maximum load direction that acts on combination, and when this vibration was consistent with the resonant frequency of rotating shaft, its vibration will be extended.
Summary of the invention
The present invention is in order to solve as mentioned above problem and propose, the rotary compressor that its purpose is to provide a kind of vibration that is produced can make compressor operating the time significantly to reduce.
To achieve these goals, comprise the shell that is used to form sealed inner according to rotary compressor provided by the present invention, be arranged on described enclosure and have the cylinder of inner space, the rotating shaft that connects described cylinder and rotate, be arranged on described cylinder internal and rotate the roller of squeeze operation fluid by off-centre, support the flange of described rotating shaft when sealing described cylinder, combination in conjunction with described cylinder and described flange, be arranged on the periphery of described combination and be used for described combination is fixed among a plurality of fixing parts of described shell, the counter-force that the first fixing part setting is produced when being positioned at and compressing the operating fluid of described cylinder internal by described roller and described combination is subjected on the position of maximum load.
And, forming three described combination is fixed in the fixing part of described shell, described first fixing part is the summit with described rotating shaft center and is the obtuse angle with formed two angles of described second, third fixing part respectively.
And described second, third fixing part is symmetrical in the straight line that connects described first fixing part and described rotating shaft center mutually, if connect described three fixing parts, then forms isosceles triangle.
And described a plurality of fixing parts form by welding, and are arranged on the upper flange described combination is fixed on described shell.
Description of drawings
Fig. 1 for expression according to the integrally-built sectional drawing of the rotary compressor that most preferred embodiment of the present invention provided;
The schematic representation of the load direction that Fig. 2 is subjected to for the rotary compressor roller of presentation graphs 1;
The plotted curve that the load that Fig. 3 is subjected to for roller changes along with the rotation of roller;
Fig. 4 combines the schematic representation that forms the direction of fixing part on the combination that forms for the expression cylinder with upper flange.
Embodiment
Below, the rotary compressor that most preferred embodiment provided that present invention will be described in detail with reference to the accompanying.
As shown in Figure 1, form by the shell 10 that forms profile and the drive portion 20 and the compressor 30 that are positioned at described shell 10 inside according to the rotary compressor that most preferred embodiment of the present invention provided.Described shell 10 1 sides connect suction pipe 12, and this suction pipe 12 is supplied operating fluids from the liquid-storage container 11 that is used for the filter liquor cryogen to press part 30.
And shell 10 tops are provided for discharging the discharge tube 13 of compressed fluid, do the parts of fricting movement and insert a certain amount of lubricant oil 14 for lubricated and cooling at outer casing underpart.
Drive portion 20 is by the stator 21 that is fixed in shell 10 and rotatably prop up the rotor 22 that is held in stator 21 inside and be pressed in the rotating shaft 23 of rotor 22 and constitute.If apply power supply to stator 21, then rotor 22 is rotated by electromagnetic force, and be pressed in the rotating shaft 23 of rotor 22 rotating force is passed to press part 30.
Press part 30 is probably by the cylinder 31 that forms the inner space for the squeeze operation fluid with to lay respectively at described cylinder 31 inner and eccentricly be fixed in the eccentric cams 32 of rotating shaft 23 and the roller 33 of squeeze operation fluid constitutes by eccentric cam 32 being pressed into of outer surface.And upper flange 35 and lower flange 36 are incorporated into cylinder 31 upper and lowers with bolt 37 respectively, rotatably support rotating shaft 23 when being used to seal cylinder 31 upper and lowers.
Fig. 2 acts on the schematic representation of the load direction of roller 33 when being compressed for the operating fluid of representing cylinder 31 inside.
As shown in Figure 2, form in the cylinder 31 and be connected with the suction pipe 12 that is connected in liquid-storage container 11 and be used to receive the suction port 41 of operating fluid and be used to discharge exhaust port 42 at cylinder 31 inner compressed refrigeration agents.
Form the hole 43 that in it perimeter surface extends to certain depth between the suction port 41 of cylinder 31 and the exhaust port 42, in the described hole 43 blade 45 is set, this blade 45 is by be divided into the suction space 31a that sucks operating fluid and the compression volume 31b of squeeze operation fluid with the outer surface Elastic Contact of roller 33 with cylinder 31 inner spaces always, the length that described hole 43 has abundant length to be accommodating described blade 45 fully, and contains pressure spring 44 in the described hole 43 and support described blade 45 with elasticity.
In addition, eccentric cam 32 its centers (O ') that are contained in cylinder 31 inside are departed from certain distance by rotating shaft 23 centers (O) and are incorporated into rotating shaft 23, and roller 33 is pressed into by the peripheral part of eccentric cam 32 and is combined.
This roller 33 contacts with blade 45 and forms first point of contact (A), and contacts with the interior perimeter surface of cylinder 31 and form second point of contact (B).So, perimeter surface forms two point of contact (A to roller 33 in blade 45 and the cylinder 31 by contacting respectively, B), thereby the inner space of cylinder 31 is divided into suction space 31a and compression volume 31b, mixes mutually with the operating fluid of compression volume 31b to prevent the operating fluid that sucks space 31a.
In the aforesaid rotary compressor, when make rotating shaft 23 when turning clockwise by the driving of drive portion 20, as shown in Figure 2 roller 33 in cylinder 31 along cylinder 31 internal surfaces by turning clockwise, and by suction port 41 to the cylinder 31 inner operating fluids that suck.At this moment, suction valve (not shown) is closed by the operating fluid that flows to exhaust port 42 sides, and in the compression volume 31b in roller 33 sense of rotation the place aheads the squeeze operation fluid, when the pressure that is compressed operating fluid acquires a certain degree, be discharged from by exhaust port 42.
As mentioned above, in compression volume 31b during the squeeze operation fluid, the roller of squeeze operation fluid 33 is subjected to counter-force (f ') by being compressed operating fluid.Shown in black arrow, the operating fluid of compression volume 31b inside applies counter-force (f ') to the direction at roller 33 centers (O ') towards roller 33, and these counter-forces (f ') that so are applied to roller 33 are synthesized to acting on the represented load of white arrow (F '), act on the center (O ') of load (F ') direction of roller 33, and act on the straight line (C) that connects first point of contact (A) and second point of contact (B) by Vertical direction through roller 33.
The plotted curve that Fig. 3 changes along with the angle of rotation (θ) of roller 33 for the suffered load (F ') of roller 33 when using the R22 refrigeration agent as operating fluid.
At this, angle of rotation (θ) is to be that the summit is in the direction of the clock by the straight line and the formed angle of straight line that is connected roller centre (O ') and second point of contact (B) that connect roller centre (O ') and first point of contact (A) with roller centre (O ').As shown in Figure 3, near the suffered load (F ') of roller 33 points that are about 90 degree from angle of rotation (θ) begin to be increased to gradually and are about 212 and become maximum when spending.(angle of rotation (θ) is 212 degree) is compressed the moment of pass through exhaust port 42 discharges for the refrigeration agent of compression volume 31b inside when the suffered load (F ') of roller 33 is maximum, promptly should moment compression volume 31b pressure inside identical with head pressure, and the head pressure of this moment is 21.1kg/cm2G.
Fig. 4 is for forming fixing part (X, Y, schematic representation Z) in order to be fixed in shell 10 in conjunction with the combination 50 of cylinder 31 and upper flange 35.
As shown in Figure 4, cylinder 31 and flange 35,36 combined formation combinations 50, and (X, Y Z) are fixed in shell 10 to form a plurality of fixing parts on the outer surface of combination 50.(method Z) may have a variety of for X, Y, can engage securely and the formation of jointless welding process but preferably adopt to form described fixing part.And (X, Y Z) are preferably disposed on the upper flange 35 a plurality of fixing parts, so that described combination 50 is fixed in described shell 10.
As mentioned above, when roller 33 rotation of cylinder 31 inside and during compressed refrigerant, be compressed refrigeration agent and can apply load (F ') to roller 33, described load (F ') passes on the flange 35,36 of supporting rotating shaft 23 by rotating shaft 23, and towards in conjunction with the radial effect of cylinder 31 with the described combination 50 of flange 35,36.
Roller 33 suffered loads (F ') change along with the angle of rotation (θ) of roller 33, and the load that meanwhile acts on combination 50 also changes thereupon, when roller 33 be subjected to maximum load (F ' MAX) the moment combination 50 also be subjected to maximum load (F MAX).Be applied to the maximum load (F of combination 50 MAX) near be parallel to the maximum load that is applied to roller 33 (F ' MAX) direction and act on, and to directive effect by rotating shaft 23 centers.
In order to support to put on the maximum load (F of combination 50 effectively MAX) and (Z) so that combination 50 is fixed to shell 10, (X, Y preferably are arranged at combination 50 with first fixing part (X) among Z) and are subjected to maximum load (F at described three fixing parts for X, Y to form three fixing parts MAX) the position.(Y is Z) symmetrically in the straight line that connects described first fixing part (X) and rotating shaft 23 centers (O), if (X, Y Z) are connected, and then preferably probably form isosceles triangle with described three fixing parts for second, third fixing part.This is in order to be subjected to busy hour when first fixing part (X), and (Y Z) is symmetrical in described first fixing part (X) mutually and supports combination 50, thereby keeps both sides fixing part (Y, balance Z) and reduce the vibration of compressor to make second, third fixing part.
At this, (Y Z) is set to be arranged in and is subjected to maximum load (F second, third fixing part MAX) first fixing part (X) of position is that (Y, Z) formed ∠ XOY, ∠ XOZ are the obtuse angle with second, third fixing part respectively on the summit with rotating shaft 23 centers (O).At this moment, (in the time of Z), (Y Z) is positioned at the position of general formation equilateral triangle can to make second, third fixing part for X, Y to connect three weld parts if make the angle of ∠ XOY and ∠ XOZ be respectively 120 degree.
As mentioned above, owing to be subjected to maximum load (F at combination 50 MAX) the position first fixing part (X) is set, thereby make described fixing part (X) support combination 50, and the vibration when reducing compressor operating thus, especially in two press parts arranging up and down on two press part rotary compressors of compressed refrigerant, its effect is more obvious.
Though top is illustrated by the content that three fixing parts are fixed in shell at combination, the present invention is not limited thereto, and can implement the present invention in having the rotary compressor of a plurality of fixing parts.
In addition, though have only a cylinder in the explanation, also can in two press part rotary compressors, implement by two compressing section compresses refrigeration agents.
In sum, according to rotary compressor provided by the present invention, the position that is subjected to maximum load owing to the combination of described flange when roller rotates is provided with a weld part, so that described weld part can support to put on the maximum load of combination, thus the vibration that is produced can reduce compressor operating significantly the time.

Claims (8)

1, a kind of rotary compressor is characterized in that comprising:
Be used to form the shell of sealed inner;
Be arranged on described enclosure and have the cylinder of inner space;
The rotating shaft that connects described cylinder and rotate;
Be arranged on described cylinder internal and rotate the roller of squeeze operation fluid by off-centre;
Support the flange of described rotating shaft when sealing described cylinder;
Combination in conjunction with described cylinder and described flange;
And, be arranged on the periphery of described combination and be used for described combination is fixed among a plurality of fixing parts of described shell, first fixing part is set in place the counter-force that is produced and described combination is subjected on the position of maximum load when being compressed described cylinder internal operating fluid by described roller.
2, rotary compressor according to claim 1 is characterized in that forming three fixing parts that described combination are fixed in described shell.
3, rotary compressor according to claim 2 is characterized in that first fixing part is that the summit is the obtuse angle with formed two angles of second, third fixing part respectively with described rotating shaft center among the described fixing part.
4, rotary compressor according to claim 3 is characterized in that described second, third fixing part is symmetrical in the straight line that connects described first fixing part and described rotating shaft center mutually, and if connect described three fixing parts, then forms isosceles triangle.
5, rotary compressor according to claim 4 is characterized in that described second, third fixing part is set to form equilateral triangle when connecting described three fixing parts.
6, rotary compressor according to claim 1 is characterized in that described a plurality of fixing part forms by welding.
7, rotary compressor according to claim 1 is characterized in that described a plurality of fixing part is arranged on the upper flange, and described combination is fixed in described shell.
8, rotary compressor according to claim 1 is characterized in that described cylinder and described flange are by bolt combination formation combination.
CNB2005101173615A 2005-07-29 2005-11-03 Rotary compressor Expired - Fee Related CN100436829C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050069558 2005-07-29
KR1020050069558A KR100811654B1 (en) 2005-07-29 2005-07-29 Rotary compressor

Publications (2)

Publication Number Publication Date
CN1904368A true CN1904368A (en) 2007-01-31
CN100436829C CN100436829C (en) 2008-11-26

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CN (1) CN100436829C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102251967A (en) * 2010-05-19 2011-11-23 珠海格力节能环保制冷技术研究中心有限公司 Welding structure of rotary type compressor pump body and rotary type compressor pump body provided therewith
CN104832435A (en) * 2014-02-07 2015-08-12 三菱电机株式会社 Hermetic compressor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60201095A (en) * 1984-03-27 1985-10-11 Matsushita Refrig Co Enclosed rotary type compressor
US4790773A (en) * 1986-09-17 1988-12-13 E. I. Du Pont De Nemours And Company Electrical receptacle
JPH01121590A (en) * 1987-11-06 1989-05-15 Sanyo Electric Co Ltd Rotary compressor
JPH06147161A (en) * 1992-11-16 1994-05-27 Matsushita Electric Ind Co Ltd Cylinder fixing device for rotary compressor
KR0118800Y1 (en) * 1994-03-31 1998-07-15 윤종용 Closed rotary compressor
KR0151342B1 (en) * 1995-12-28 1998-10-15 김태구 One arm wiper of a vehicle
KR100285846B1 (en) 1998-05-08 2001-04-16 윤종용 Hermetic rotary compressor
JPH11324958A (en) * 1998-05-14 1999-11-26 Matsushita Electric Ind Co Ltd Sealed rotary compressor
JP2001295783A (en) * 2000-04-13 2001-10-26 Mitsubishi Electric Corp Hermetic rotary compressor
KR100602691B1 (en) 2004-07-22 2006-07-20 삼성전자주식회사 Rotary compressor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102251967A (en) * 2010-05-19 2011-11-23 珠海格力节能环保制冷技术研究中心有限公司 Welding structure of rotary type compressor pump body and rotary type compressor pump body provided therewith
CN104832435A (en) * 2014-02-07 2015-08-12 三菱电机株式会社 Hermetic compressor
CN104832435B (en) * 2014-02-07 2017-11-28 三菱电机株式会社 Hermetic type compressor

Also Published As

Publication number Publication date
KR100811654B1 (en) 2008-03-11
CN100436829C (en) 2008-11-26
KR20070014706A (en) 2007-02-01

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Granted publication date: 20081126

Termination date: 20181103