CN104482693A - Liquid distributor and production method thereof - Google Patents

Liquid distributor and production method thereof Download PDF

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Publication number
CN104482693A
CN104482693A CN201410720078.0A CN201410720078A CN104482693A CN 104482693 A CN104482693 A CN 104482693A CN 201410720078 A CN201410720078 A CN 201410720078A CN 104482693 A CN104482693 A CN 104482693A
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CN
China
Prior art keywords
air inlet
knockout
cylindrical shell
inlet pipe
cylinder
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Application number
CN201410720078.0A
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Chinese (zh)
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CN104482693B (en
Inventor
范少稳
刘达炜
袁亮贵
刘清辉
蒋姝婷
Original Assignee
重庆凌达压缩机有限公司
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Priority to CN201410720078.0A priority Critical patent/CN104482693B/en
Publication of CN104482693A publication Critical patent/CN104482693A/en
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Publication of CN104482693B publication Critical patent/CN104482693B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler
    • F25B41/003Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler fluid line arrangements

Abstract

The invention provides a liquid distributor and a production method thereof. The liquid distributor comprises a cylinder and an intake pipe; the cylinder is internally provided with a chamber; the intake pipe is disposed at the first end of the cylinder; the intake pipe is communicated with the chamber; the cylinder and the intake pipe are integrated. The cylinder and the intake pipe are integrally made by spinning, subjecting each of the cylinder and the intake pipe to single brass soldering is not required, the production process of the liquid distributor is simplified, the welding mode is optimized, production efficiency is improved, defective rate is decreased, labor intensity is reduced for workers, less copper material is used, and the cost of the liquid distributor is decreased by more than 1 RMB. The production method is simple in process, high in production efficiency and low in production cost.

Description

Knockout and production method thereof

Technical field

The present invention relates to refrigerating field, particularly relate to a kind of knockout and production method thereof.

Background technology

Existing knockout is made up of air inlet pipe, cylindrical shell, net-filter assembly, intervalve and escape pipe usually, and cylindrical shell and air inlet pipe are separately produced, and then are welded by solder, air inlet pipe and barrel soldering are got up.Air inlet pipe due to knockout needs and the system pipeline of air-conditioner welds, and the system pipeline of air-conditioner mostly is copper pipe, for ease of welding, air inlet pipe is set to copper pipe, and the material of cylindrical shell mostly is iron, between cylindrical shell and air inlet pipe, the brass that adopts welds more, and each knockout needs to adopt brass once to weld, the labour intensity of employee is large, production efficiency is low, and welding surroundings is severe, and cost is high, the air inlet pipe of knockout all adopts copper product, and the cost of knockout is higher.

Summary of the invention

For the problem of existing knockout complex manufacturing, the invention provides that a kind of production efficiency is high, the simple knockout of production technology and production method thereof.

For reaching goal of the invention, the invention provides a kind of knockout, comprising cylindrical shell and air inlet pipe;

Described inner barrel forms chamber, and described air inlet pipe is placed in the first end of described cylindrical shell, and described air inlet pipe is communicated with described chamber, described cylindrical shell and described air inlet pipe one-body molded.

As a kind of embodiment, the air inlet place of described air inlet pipe is provided with step or groove.

As a kind of embodiment, the material of described cylindrical shell is steel or iron, and the material at the air inlet place of described air inlet pipe is copper.

As a kind of embodiment, the material of described cylindrical shell is steel or iron, and the material at the air inlet place of described air inlet pipe is steel or the iron of copper coating.

As a kind of embodiment, also comprise net-filter assembly; Described net-filter assembly is arranged in the cavity, and the first end of close described cylindrical shell.

As a kind of embodiment, also comprise intervalve and escape pipe; Described escape pipe is placed in the second end of described cylindrical shell; Described intervalve is arranged in the cavity, and one end is communicated with described escape pipe, and the other end is close to described net-filter assembly.

As a kind of embodiment, described escape pipe is curve bend.

The present invention also provides a kind of production method of knockout, and described knockout is the material of described cylindrical shell is steel or iron, and the material at the air inlet place of described air inlet pipe is the knockout of copper, comprises the following steps:

Iron plate or the Plate Welding of to be the copper coin of L1 and width by width be L2 are first metallic plate of being separated by, wherein, the length of described iron plate or steel plate equal with the length of described copper coin and be described cylindrical shell girth N doubly, the width being positioned at the described copper coin of described first metallic plate both sides is L1/2, N is positive integer, and L1, L2 are positive number;

With the direction perpendicular to weld seam, described first metallic plate is cut into the second metallic plate that width is described cylindrical shell girth;

Described second metallic plate is rolled up in the width direction circle and be welded as the first cylinder;

Longitudinally formation described first cylindrical iron plate and copper coin centre position under cutter or longitudinally formation described first cylindrical steel plate and copper coin centre position under cutter, described first cylinder is cut into the second cylinder that length is L1/2+L2/2, described second cylindrical one end is copper product, and the other end is iron material or Steel material;

Described second cylinder is carried out rotary pressing processing on spinning machine, cylindrical shell described in rotary press modelling and described air inlet pipe, and then obtain described knockout.

As a kind of embodiment, described spinning machine comprises for the shaping mandrel of described air inlet pipe, and the structure of described mandrel is corresponding with the structure of the air inlet of described air inlet pipe.

The present invention also provides a kind of production method of knockout, and described knockout is the material of described cylindrical shell is steel or iron, and the material at the air inlet place of described air inlet pipe is the steel of copper coating or the knockout of iron, comprises the following steps:

Iron plate or roll of steel plate circle are welded as the first cylinder, and described first cylindrical girth equals the girth of the described cylindrical shell of described knockout;

Described first cylinder is cut into the second equal cylinder of length, described second cylindrical length is greater than the length of the described cylindrical shell of described knockout, and is less than the total length of described knockout;

Described second cylinder is carried out rotary pressing processing on spinning machine, cylindrical shell described in rotary press modelling and the first straight tube, the diameter of described first straight tube is less than the diameter of described cylindrical shell;

Described first straight tube is carried out expander processing, obtains the second straight tube with step or groove, the air inlet end face of described second straight tube is carried out smooth process, obtain the 3rd straight tube that air inlet end face is smooth;

Copper plating treatment is carried out in the air inlet position of described 3rd straight tube, obtains described air inlet pipe.

Beneficial effect of the present invention comprises:

Knockout of the present invention and production method thereof.Wherein the cylindrical shell of knockout and air inlet pipe adopt rotary pressing processing one-body molded, do not need to carry out a brass welding to the cylindrical shell of each knockout and air inlet pipe, simplify the production technology of knockout, optimize welding manner, improve production efficiency, reduce the labour intensity of defect rate and employee, decrease the use of copper product, reduce the cost of knockout, the cost of each knockout can reduce by more than 1 yuan.Its production method technique is simple, and production efficiency is high, reduces or save the use of copper product, cheap for manufacturing cost.

Accompanying drawing explanation

Fig. 1 is the structural representation of knockout one embodiment of the present invention;

Fig. 2 to Fig. 7 is the schematic diagram of production process one embodiment of knockout of the present invention.

Description of reference numerals:

1 cylindrical shell, 1a chamber, 2 air inlet pipe, 2a air inlet, 3 net-filter assemblies, 4 intervalves, 5 escape pipes, 6 mandrels.

Detailed description of the invention

In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, knockout of the present invention and production method thereof are further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.

See Fig. 1, the embodiment of the present invention provides a kind of knockout, comprises cylindrical shell 1 and air inlet pipe 2.Cylindrical shell 1 inside forms chamber 1a, and air inlet pipe 2 is placed in the first end of cylindrical shell 1, and air inlet pipe is communicated with chamber 1a, and cylindrical shell 1 is one-body molded with air inlet pipe 2.

Knockout of the present invention, cylindrical shell 1 and air inlet pipe 2 adopt rotary pressing processing one-body molded, while not affecting knockout use and performance thereof, eliminate in conventional art the defect needing the cylindrical shell 1 of each knockout and air inlet pipe 2 to be carried out to brass welding, simplify the production technology of knockout, optimize welding manner, improve production efficiency, reduce the labour intensity of employee, reduce defect rate and cost thereof, each knockout cost can reduce by more than 1 yuan.

As a kind of embodiment, the air inlet 2a place of air inlet pipe 2 is provided with step or groove.This structure when spinning, mandrel 6 can be arranged corresponding shape and process, air inlet 2a place arranges step or groove, be convenient to the system pipeline interface with air-conditioner, and be connected with snap joint when can carry out water leak detection to knockout in the production process of compressor.

As a kind of embodiment, the material of cylindrical shell 1 is steel or iron, and the material at the air inlet 2a place of air inlet pipe 2 is copper.

Because the material of the system pipeline of air-conditioner mostly is copper, the material at air inlet 2a place is copper, when ensureing compressor access refrigeration system, and welding not between influential system pipeline with air inlet pipe 2.Before knockout rotary pressing processing, control the ratio of iron charge and copper material, the length of air inlet 2a place copper pipe can be controlled, therefore can save copper product, reduce knockout cost.Cylindrical shell 1 material is steel or iron, under the condition meeting knockout serviceability, Steel material or iron material lower relative to copper product price, reduce expenses, reduce knockout cost.

As a kind of embodiment, the material of cylindrical shell 1 is steel or iron, and the material at the air inlet 2a place of air inlet pipe 2 is steel or the iron of copper coating.

The material of cylindrical shell 1 and air inlet pipe 2 all adopts steel or iron, steel or the iron surface at the air inlet 2a place of air inlet pipe 2 plate the copper film that a layer thickness is more than 1um, under the condition meeting knockout serviceability, welding also not between influential system pipeline with air inlet pipe 2.What deserves to be explained is, the thickness of copper film can not be too thin, and too thin influential system pipeline welds with air inlet pipe 2.Preferably, wherein in an embodiment, the material at the air inlet 2a place of air inlet pipe 2 is the iron of copper coating.The technique of steel copper coating is comparatively loaded down with trivial details, and cost is higher, and iron surface copper-plating technique is simple, and cost is low.

Wherein in an embodiment, the two ends of cylindrical shell 1 are that the center line of air inlet pipe 2 and the center line of cylindrical shell 1 are on same straight line towards the pyramidal structure of chamber 1a outer convergent.It can play the effect of cross section sudden expansion noise reduction, can cushion swiftly flowing refrigerant simultaneously, and refrigerant flows into the uniform flow of chamber 1a, and fluid resistance is little.

As a kind of embodiment, also comprise net-filter assembly 3, net-filter assembly 3 is arranged in chamber 1a, and the first end of close cylindrical shell.

What deserves to be explained is, net-filter assembly 3 can comprise support component and be arranged on the filter screen of support component outer surface, and support member supports, at the first end of cylindrical shell 1, can make the area of filter screen disposed thereon increase like this, reaches best filter effect.The bubble produced in refrigerant flow process can cut broken by filter screen, and can play cushioning effect to refrigerant flow rate.

As a kind of embodiment, also comprise intervalve 4 and escape pipe 5.Escape pipe 5 is placed in the second end of cylindrical shell 1.Intervalve 4 is arranged in chamber 1a, and one end is communicated with escape pipe 5, other end next-door neighbour net-filter assembly 3.Escape pipe 5 is curve bend.

The isolated gas coolant of net-filter assembly 3 is transferred to escape pipe 5 by intervalve 4, and escape pipe 5 sends gas coolant back to compressor, and escape pipe 5 is curve bend, saves space, is convenient to install.

Based on same inventive concept, present invention also offers a kind of production method of knockout, the method is the material processing aforementioned a kind of cylindrical shell 1 is steel or iron, the material at the air inlet 2a place of air inlet pipe 2 is the concrete implementation step of the knockout of copper, and therefore the repetition part of the architectural feature such as shape, structure of knockout repeats no more.

The production method of the knockout that the embodiment of the present invention provides, as shown in Figures 2 to 7, comprises the following steps:

Steps A 1: iron plate or the Plate Welding of to be the copper coin of L1 and width by width be L2 are first metallic plate of being separated by, wherein, the length of iron plate or steel plate equal with the length of copper coin and be cylindrical shell girth N doubly, the width being positioned at the copper coin of the first metallic plate both sides is L1/2, N is positive integer, and L1, L2 are positive number.

Step B1: the first metallic plate is cut into the second metallic plate that width is cylindrical shell girth with the direction perpendicular to weld seam.

Step C1: the second metallic plate is rolled up in the width direction circle and be welded as the first cylinder.

Step D1: longitudinally under the cylindrical iron plate of formation first and copper coin centre position cutter or longitudinally formation described first cylindrical steel plate and copper coin centre position under cutter, first cylinder is cut into the second cylinder that length is L1/2+L2/2, second cylindrical one end is copper product, and the other end is iron material or copper product.

Step e 1: the second cylinder is carried out rotary pressing processing on spinning machine, rotary press modelling cylindrical shell 1 and air inlet pipe 2, and then obtain knockout.

Before carrying out steps A 1, iron plate or the steel plate of to be the copper coin of L1 and width by width be L2 are put as shown in Figure 2.Copper coin and iron plate or steel plate are welded, obtain the first metallic plate that the copper iron shown in Fig. 3 or copper steel are separated by, wherein iron plate width or steel plate width L2 are greater than copper coin width L1.Cut along the direction perpendicular to weld seam by first metallic plate, obtain N number of second metallic plate shown in Fig. 4, the width of N number of second metallic plate is suitable with cylindrical shell girth.N number of second metallic plate is rolled up in the width direction circle welding, obtain the first cylinder shown in Fig. 5, the first cylinder is the cylinder that copper iron is separated by or copper steel is separated by, and is the tubular structure of thin-walled.First cylinder is cut along the cutting position H shown in Fig. 5, obtain the second cylinder shown in Fig. 6, each second cylindrical length is equal, one end has the copper product of L1/2, the other end has iron material or the Steel material of L2/2, cutting position H is the centre position of iron plate or steel plate and copper coin, and the first cylindrical both sides cutting position H is equal with the distance cutting off front corresponding first cylinder edge, and the distance between each cutting position H is also equal.Each second cylinder is carried out spinning on spinning machine, obtains the knockout shown in Fig. 7, this knockout is aforementioned cylindrical shell 1 and the integrated knockout of air inlet pipe 2.

The production method technique of above-mentioned knockout is simple, and production efficiency is high, simplifies the step of each knockout being carried out to brass welding, reduce the labour intensity of defect rate and employee, and the knockout produced in this way, decrease the use of copper product, production cost is low.

As a kind of embodiment, see Fig. 7, spinning machine comprises for the shaping mandrel 6 of air inlet pipe 2, and the structure of mandrel 6 is corresponding with the structure of the air inlet 2a of air inlet pipe 2.

When rotary pressing processing, it is inner that mandrel 6 is arranged on air inlet pipe 2, and the structure of mandrel 6 can be ledge structure, bulge loop structure or groove structure, and its shape and structure is corresponding with the structure of air inlet 2a, possesses corresponding feature to make air inlet 2a.

It should be noted that, illustrated position involved by above-mentioned Fig. 2 to Fig. 7, schematic construction and signal numerical value, be only the exemplary illustration implemented content of the present invention and do, under the prerequisite not departing from the application's spirit or scope, those skilled in the art can carry out sets itself according to actual demand.

Based on same inventive concept, present invention also offers a kind of production method of knockout, the method is the material processing aforementioned a kind of cylindrical shell 1 is steel or iron, the material at the air inlet 2a place of air inlet pipe 2 is the concrete implementation step of the steel of copper coating or the knockout of iron, and therefore the repetition part of the architectural feature such as shape, structure of knockout repeats no more.The production method of the knockout that this embodiment provides comprises the following steps:

Steps A 2: iron plate or roll of steel plate circle are welded as the first cylinder, and the first cylindrical girth equals the girth of the cylindrical shell 1 of knockout.

Step B2: the first cylinder is cut into the second cylinder that length is equal, the second cylindrical length is greater than the length of the cylindrical shell 1 of knockout, is less than the total length of knockout.

Step C2: the second cylinder is carried out rotary pressing processing on spinning machine, rotary press modelling cylindrical shell 1 and the first straight tube, the diameter of the first straight tube is less than the diameter of cylindrical shell 1.

Step D2: the first straight tube is carried out expander processing, obtains the second straight tube with step or groove, the air inlet end face of the second straight tube is carried out smooth process (as polishing), obtains the 3rd straight tube that air inlet end face is smooth.

Step e 2: copper plating treatment is carried out in the air inlet position of the 3rd straight tube, obtains air inlet pipe 2.

The production method technique of above-mentioned knockout is simple, production efficiency is high, the cylindrical shell 1 of knockout and air inlet pipe 2 with steel or iron material one-body molded, simplify the step of each knockout being carried out to brass welding, reduce the labour intensity of defect rate and employee, the air inlet pipe at air inlet 2a place carries out copper plating treatment, not only meets the welding requirements between system pipeline and knockout, and saving copper product, production cost is low.

What deserves to be explained is, in this embodiment knockout production method in expander processing equipment comprise mandrel 6, the structure of mandrel 6 is corresponding with the structure of the air inlet 2a of air inlet pipe 2, and expander adds man-hour, it is inner that mandrel is arranged on air inlet pipe 2, makes air inlet 2a possess corresponding feature.

The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. a knockout, is characterized in that, comprises cylindrical shell (1) and air inlet pipe (2);
Described cylindrical shell (1) inside forms chamber (1a), described air inlet pipe (2) is placed in the first end of described cylindrical shell (1), described air inlet pipe (2) is communicated with described chamber (1a), and described cylindrical shell (1) is one-body molded with described air inlet pipe (2).
2. knockout according to claim 1, is characterized in that, air inlet (2a) place of described air inlet pipe (2) is provided with step or groove.
3. knockout according to claim 2, is characterized in that, the material of described cylindrical shell (1) is steel or iron, and the material at air inlet (2a) place of described air inlet pipe (2) is copper.
4. knockout according to claim 2, is characterized in that, the material of described cylindrical shell (1) is steel or iron, and the material at air inlet (2a) place of described air inlet pipe (2) is steel or the iron of copper coating.
5. the knockout according to any one of Claims 1-4, is characterized in that, also comprises net-filter assembly (3); Described net-filter assembly (3) is arranged in described chamber (1a), and the first end of close described cylindrical shell (1).
6. knockout according to claim 5, is characterized in that, also comprises intervalve (4) and escape pipe (5); Described escape pipe (5) is placed in the second end of described cylindrical shell (1); Described intervalve (4) is arranged in described chamber (1a), and one end is communicated with described escape pipe (5), and the other end is close to described net-filter assembly (3).
7. knockout according to claim 6, is characterized in that, described escape pipe (5) is curve bend.
8. a production method for knockout, is characterized in that, described knockout is knockout according to claim 3, comprises the following steps:
Iron plate or the Plate Welding of to be the copper coin of L1 and width by width be L2 are first metallic plate of being separated by, wherein, the length of described iron plate or steel plate equal with the length of described copper coin and be described cylindrical shell girth N doubly, the width being positioned at the described copper coin of described first metallic plate both sides is L1/2, N is positive integer, and L1, L2 are positive number;
With the direction perpendicular to weld seam, described first metallic plate is cut into the second metallic plate that width is described cylindrical shell girth;
Described second metallic plate is rolled up in the width direction circle and be welded as the first cylinder;
Longitudinally formation described first cylindrical iron plate and copper coin centre position under cutter or longitudinally formation described first cylindrical steel plate and copper coin centre position under cutter, described first cylinder is cut into the second cylinder that length is L1/2+L2/2, described second cylindrical one end is copper product, and the other end is iron material or Steel material;
Described second cylinder is carried out rotary pressing processing on spinning machine, cylindrical shell described in rotary press modelling and described air inlet pipe, and then obtain described knockout.
9. the production method of knockout according to claim 8, it is characterized in that, described spinning machine comprises for the shaping mandrel (6) of described air inlet pipe (2), and the structure of described mandrel (6) is corresponding with the structure of the air inlet (2a) of described air inlet pipe (2).
10. a production method for knockout, is characterized in that, described knockout is knockout according to claim 4, comprises the following steps:
Iron plate or roll of steel plate circle are welded as the first cylinder, and described first cylindrical girth equals the girth of the described cylindrical shell of described knockout;
Described first cylinder is cut into the second equal cylinder of length, described second cylindrical length is greater than the length of the described cylindrical shell of described knockout, and is less than the total length of described knockout;
Described second cylinder is carried out rotary pressing processing on spinning machine, cylindrical shell described in rotary press modelling and the first straight tube, the diameter of described first straight tube is less than the diameter of described cylindrical shell;
Described first straight tube is carried out expander processing, obtains the second straight tube with step or groove, the air inlet end face of described second straight tube is carried out smooth process, obtain the 3rd straight tube that air inlet end face is smooth;
Copper plating treatment is carried out in the air inlet position of described 3rd straight tube, obtains described air inlet pipe.
CN201410720078.0A 2014-12-02 2014-12-02 Knockout and its production method CN104482693B (en)

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Application Number Priority Date Filing Date Title
CN201410720078.0A CN104482693B (en) 2014-12-02 2014-12-02 Knockout and its production method

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Application Number Priority Date Filing Date Title
CN201410720078.0A CN104482693B (en) 2014-12-02 2014-12-02 Knockout and its production method

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CN104482693B CN104482693B (en) 2017-12-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106271651A (en) * 2016-08-28 2017-01-04 嵊州市新高轮制冷设备有限公司 The process units of a kind of liquid reservoir and the using method of this device

Citations (7)

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Publication number Priority date Publication date Assignee Title
JPS57154372A (en) * 1981-03-20 1982-09-24 Daikin Ind Ltd Binding method for two members in refrigerator
JP2002188869A (en) * 2000-12-19 2002-07-05 Daikin Ind Ltd Refrigerant flow splitter and manufacturing method thereof
CN1626994A (en) * 2003-12-12 2005-06-15 乐金电子(天津)电器有限公司 Structure of gas liquid separator of airtight type revolving compressor
CN201662290U (en) * 2010-02-04 2010-12-01 浙江精艺管件有限公司 Liquid storage device used on air conditioner compressor
CN202382491U (en) * 2011-11-22 2012-08-15 浙江盾安机械有限公司 Gas-liquid separator improvement structure
CN103808089A (en) * 2014-02-25 2014-05-21 嵊州市新高轮制冷设备有限公司 Liquid storage vessel
CN204329423U (en) * 2014-12-02 2015-05-13 重庆凌达压缩机有限公司 Knockout

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154372A (en) * 1981-03-20 1982-09-24 Daikin Ind Ltd Binding method for two members in refrigerator
JP2002188869A (en) * 2000-12-19 2002-07-05 Daikin Ind Ltd Refrigerant flow splitter and manufacturing method thereof
CN1626994A (en) * 2003-12-12 2005-06-15 乐金电子(天津)电器有限公司 Structure of gas liquid separator of airtight type revolving compressor
CN201662290U (en) * 2010-02-04 2010-12-01 浙江精艺管件有限公司 Liquid storage device used on air conditioner compressor
CN202382491U (en) * 2011-11-22 2012-08-15 浙江盾安机械有限公司 Gas-liquid separator improvement structure
CN103808089A (en) * 2014-02-25 2014-05-21 嵊州市新高轮制冷设备有限公司 Liquid storage vessel
CN204329423U (en) * 2014-12-02 2015-05-13 重庆凌达压缩机有限公司 Knockout

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106271651A (en) * 2016-08-28 2017-01-04 嵊州市新高轮制冷设备有限公司 The process units of a kind of liquid reservoir and the using method of this device

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