CN101096946A - Hermetic type compressor - Google Patents

Hermetic type compressor Download PDF

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Publication number
CN101096946A
CN101096946A CNA200710109192XA CN200710109192A CN101096946A CN 101096946 A CN101096946 A CN 101096946A CN A200710109192X A CNA200710109192X A CN A200710109192XA CN 200710109192 A CN200710109192 A CN 200710109192A CN 101096946 A CN101096946 A CN 101096946A
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CN
China
Prior art keywords
refrigeration agent
leading pipe
suction
pressing chamber
hermetic compressor
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.)
Pending
Application number
CNA200710109192XA
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Chinese (zh)
Inventor
金政贤
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 Gwangju 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 Gwangju Electronics Co Ltd filed Critical Samsung Gwangju Electronics Co Ltd
Publication of CN101096946A publication Critical patent/CN101096946A/en
Pending legal-status Critical Current

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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
    • 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
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • 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
    • F04B39/10—Adaptations or arrangements of distribution members
    • 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
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Abstract

A hermetic type compressor to prevent refrigerant from flowing backwardly from a compression chamber into a suction muffler. The compressor includes a sealed casing, a compression chamber to compress refrigerant guided into the sealed casing, a compression chamber provided to compress the refrigerant guided into the sealed casing through the suction pipe, a suction muffler provided between the compression chamber and the suction pipe to reduce the noise emissions of the refrigerant being suctioned into the compression chamber, and a check valve installed on an outlet of the suction muffler to prevent the refrigerant in the suction muffler from flowing backwardly from the compression chamber into the suction muffler.

Description

Hermetic compressor
Technical field
The present invention relates to a kind of hermetic compressor, more particularly, the present invention relates to the hermetic compressor that a kind of operation period at hermetic compressor prevents the back flow of refrigerant in the pressing chamber.
Background technique
Usually, use hermetic compressor with compressed refrigerant in the refrigeration cycle of refrigerator, air-conditioning etc., hermetic compressor comprises the seal casinghousing that forms outward appearance, the compression set that is used for compressed refrigerant that is provided with and the driver element that is used for providing driving force to compression set in seal casinghousing.
By the sidepiece of seal casinghousing, suction pipe is used for the low pressure refrigerant of the vaporizer by refrigeration cycle is directed to seal casinghousing, and discharge pipe is used for compressed high-pressure refrigerant in seal casinghousing is directed to condenser.
Compression set comprises: control valve unit, comprise the cylinder that forms pressing chamber, and refrigeration agent is compressed therein; Piston, straight reciprocating motion is with compressed refrigerant in pressing chamber; Cylinder head is attached to the sidepiece of cylinder, and cylinder head is divided into refrigeration agent suction chamber and refrigerant discharge chamber; Suction valve, between cylinder and cylinder head so that the refrigeration agent that is inhaled into the pressing chamber from the refrigeration agent suction chamber interrupt; Expulsion valve is used for making the refrigeration agent interruption that is discharged to refrigerant discharge chamber from pressing chamber.
The suction silencing apparatus is installed in the refrigeration agent suction chamber side of cylinder head, is used for reducing the noise that is sent by the refrigeration agent that is inhaled into pressing chamber.
In above-mentioned hermetic compressor, when driver element was driven, the piston linear to-and-fro motion in pressing chamber was to produce pressure difference between pressing chamber inside and outside.
Because described pressure difference, low pressure refrigerant by vaporizer passes through suction pipe, sucks silencing apparatus and refrigeration agent suction chamber, be inhaled in the pressing chamber then and be compressed, the high-pressure refrigerant that is compressed in pressing chamber and discharges from pressing chamber is fed into condenser through refrigerant discharge chamber and discharge pipe.
In traditional hermetic compressor, though compressed most of refrigeration agent is discharged into drain chamber by escape cock in the pressing chamber in the compression cycle of hermetic compressor, but when piston from the bottom dead center central motion to the top dead center and beginning during compressed refrigerant, before the suction valve closure, some refrigeration agents in pressing chamber are discharged from by suction valve.The refrigeration agent that is discharged from by suction valve arrives the suction silencing apparatus, is being formed on the resonant space internal vibration that sucks in the silencing apparatus, and is vibrating in the inner space of seal casinghousing, thereby causing having produced low-frequency noise.
And because along with the quantitative change that is discharged into the refrigeration agent that sucks silencing apparatus by suction valve is few, the quantitative change of refrigeration agent that is discharged into condenser from pressing chamber is few, thus the compressed capability variation of compressor, and also variation of the refrigeration performance of whole refrigeration cycle.
Summary of the invention
The present invention is proposed in view of the above problems.An aspect of of the present present invention is to provide a kind of hermetic compressor, wherein, prevents that refrigeration agent from flowing to the suction silencing apparatus from pressing chamber, to reduce noise that produces from pressing chamber and the deterioration that prevents compressed capability.
According to one embodiment of present invention, the invention provides a kind of hermetic compressor, described hermetic compressor has: seal casinghousing; Pressing chamber is used for compressing the refrigeration agent that is directed into seal casinghousing; The refrigeration agent suction chamber is communicated with described pressing chamber fluid ground, so that refrigeration agent is inhaled in the described pressing chamber; Suck silencing apparatus, be connected on the refrigeration agent suction chamber, be used for reducing the noise that sends by the refrigeration agent that is inhaled into described pressing chamber; Safety check is installed in the connecting passage that is used for connecting the resonant space that described refrigeration agent suction chamber and described suction silencing apparatus form, and is used to prevent that refrigeration agent from back flowing to described resonant space from described pressing chamber.
Described safety check comprises: leaf valve is suitable for opening and closing described connecting passage; Stopper is used to limit the motion of described leaf valve, so that described leaf valve only is opened on refrigeration agent enters the direction of described pressing chamber.
Described leaf valve comprises fixed projection, and described connecting passage has the fixed groove that is used to hold described fixed projection, so that leaf valve is installed on the described connecting passage.
Described suction silencing apparatus comprises leading pipe, described connecting passage is formed in the described leading pipe, described leading pipe comprises first leading pipe and second leading pipe, first leading pipe comprises first extension that extends in the described resonant space and extends to second extension of described resonant space outside that second leading pipe removably combines with second extension of first leading pipe.
One in described first leading pipe and second leading pipe is formed with male thread, and another in described first leading pipe and second leading pipe is formed with box thread, so that first leading pipe combines with described second leading pipe.
According to another embodiment of the present invention, the invention provides a kind of hermetic compressor, described hermetic compressor comprises: seal casinghousing; Suction pipe is used for the refrigeration agent that described seal casinghousing is outer and is directed in the described seal casinghousing; Pressing chamber is arranged to compress by described suction pipe and is directed to refrigeration agent in the described seal casinghousing; Suck silencing apparatus, be arranged between described pressing chamber and the described suction pipe, be used for reducing the noise that sends by the refrigeration agent that is inhaled into described pressing chamber; Safety check, the outlet that described suction silencing apparatus is installed is used for preventing that the refrigeration agent at described pressing chamber from back flowing to the described suction silencing apparatus from described pressing chamber.
Described safety check comprises: leaf valve opens and closes the outlet of described suction silencing apparatus; Stopper is used to limit the motion of described leaf valve, so that described leaf valve only is opened on refrigeration agent enters the direction of described pressing chamber.
Described suction silencing apparatus comprises and is formed on resonant space wherein and is used to form the leading pipe that described resonant space is connected to the connecting passage of described pressing chamber.Described leading pipe comprises: first leading pipe comprises first extension that extends in the described resonant space and second extension that extends to described resonant space outside; Second leading pipe removably combines with second extension of described first leading pipe.
Described safety check is installed on described second extension.
Others of the present invention and/or advantage part will be set forth in the following description, and part will become clear from describe, perhaps can arrive by learning by doing of the present invention.
Description of drawings
By the description of with reference to the accompanying drawings embodiment being carried out, it is clear and easier to understand that these and other aspect of the present invention and advantage will become, wherein:
Fig. 1 shows the sectional drawing according to the hermetic compressor of the embodiment of the invention;
Fig. 2 is the perspective exploded view that the suction silencing apparatus on the hermetic compressor that is installed in Fig. 1 is shown;
Fig. 3 is the sectional view of suction silencing apparatus before assembling that Fig. 2 is shown;
Fig. 4 is the sectional view of assembling that the suction silencing apparatus of Fig. 2 is shown.
Embodiment
Below, describe hermetic compressor according to an embodiment of the invention with reference to the accompanying drawings in detail.
As shown in Figure 1, the hermetic compressor according to the embodiment of the invention comprises: seal casinghousing 10 forms by upper shell 10a is combined with lower shell body 10b; Compression set 20 is arranged in the seal casinghousing, is used for compressed refrigerant; Driver element 30 is used for driving force is offered compression set 20.
By the sidepiece of seal casinghousing 10, the high-pressure refrigerant of the vaporizer that suction pipe 11 will be by refrigeration cycle is directed in the seal casinghousing 10, and discharge pipe 12 will be in seal casinghousing 10 be directed in the condenser by the high-pressure refrigerant of compression set 20 compressions.
Compression set 20 comprises control valve unit, and control valve unit comprises the cylinder 21 with framework 40 one, and to form pressing chamber 21a, refrigeration agent is compressed in pressing chamber.Piston 22 straight reciprocating motion in pressing chamber 21a.Cylinder head 23 is attached to the sidepiece of cylinder 21, is used for seal compression chamber 21a.Refrigerant discharge chamber 23b is communicated with discharge pipe 12 fluid ground.Refrigeration agent suction chamber 23a is communicated with suction pipe 11 fluid ground.Suction valve 24a is arranged between cylinder 21 and the cylinder head 23, is used for interrupting being inhaled into from refrigeration agent suction chamber 23a the refrigeration agent of pressing chamber 21a.Expulsion valve 24b is used for interrupting being discharged into from pressing chamber 21a the refrigeration agent of refrigerant discharge chamber 23b.
Driver element 30 offers piston 22 with driving force, so that piston 22 is in the to-and-fro motion of pressing chamber 21a cathetus, driver element 30 comprises stator 31, rotor 32 and running shaft 33, stator 31 is fixed to the downside outside of framework 40, rotor 32 is arranged in the stator 31, and owing to and stator 31 between electromagnetic interaction rotate, running shaft 33 is installed to the intermediate portion of rotor 32, with rotor 32 rotation.
The top of running shaft 33 is passed in the hollow space that the zone line of framework 40 forms and extends upward.The top of running shaft 33 extends beyond framework 40, is formed on the eccentric part 33a that rotates prejudicially during the rotation of running shaft 33.Connecting rod 25 is installed between eccentric part 33a and the piston 22, is used for the off-centre of eccentric part 33a is converted to the straight reciprocating motion of piston 22.
In hermetic compressor, because the electromagnetic interaction between stator 31 and the rotor 32, rotor 32 is with running shaft 33 rotations.Be connected to piston 22 on the eccentric part 33a of running shaft 33 by connecting rod 25 in the to-and-fro motion of pressing chamber 21a cathetus.Like this, when piston 22 during, between pressing chamber 21a inside and outside, produce pressure difference in the to-and-fro motion of pressing chamber 21a cathetus.Because described pressure difference, the low pressure refrigerant of the vaporizer by refrigeration cycle is inhaled among the pressing chamber 21a through suction pipe 11 and refrigeration agent suction chamber 23a, is inhaled among the pressing chamber 21a and compressed high-pressure refrigerant is fed into the condenser of refrigeration cycle through refrigerant discharge chamber 23b and discharge pipe 12.
Simultaneously, suck silencing apparatus 50 and be installed between suction pipe 11 and the cylinder head 23, be used for reducing the noise that produces by the refrigeration agent that is inhaled into pressing chamber 21a.
To shown in Figure 4, suck silencing apparatus 50 by first body 60 and 70 combinations of second body are formed as Fig. 2, described first body 60 is communicated with pressing chamber 21a fluid ground, and second body 70 is communicated with suction pipe 11 fluid ground.
Between first body 60 and second body 70, first bound fraction 61 forms along the lower limb of first body 60, and first bound fraction 61 has outstanding shape.Second bound fraction 71 corresponding with this shape forms along the top of second body 70, and second bound fraction 71 has the groove shapes that engages with first bound fraction 61.
First body 60 and second body 70 form by jet moulding (injection molding) manufacturing, and first body 60 and second body 70 combine togather, and single resonant space 50a is formed on wherein.
First body 60 comprises unlimited downside and forms the leading pipe 62 in zone therebetween that the refrigeration agent that leading pipe 62 is used for entering resonant space 50a is directed to refrigeration agent suction chamber 23a.The lower end of leading pipe 62 extends to predetermined length among the resonant space 50a.The top of leading pipe 62 extends to the outside of resonant space 50a, is inserted among the refrigeration agent suction chamber 23a of cylinder head 23.The outlet 62c that sucks silencing apparatus 50 is formed on the upper end of leading pipe 62.
Second body 70 comprises unlimited upside and pipe insertion portion 72, and pipe insertion portion 72 is formed on the outside of second body 70, is used for forming the inlet 72a that sucks silencing apparatus 50 by inside and outside being interconnected with resonant space 50a.
Between pipe insertion portion 72 and suction pipe 11, helical spring 75 is installed directly is directed among the resonant space 50a with refrigeration agent with suction pipe 11.One end of helical spring 75 is inserted into pipe insertion portion 72 predetermined lengths, and the outlet end of suction pipe 11 is inserted into the other end predetermined length of helical spring 75, sucks silencing apparatus 50 so that helical spring 75 is connected to suction pipe 11.
Helical spring 75 enters suction silencing apparatus 50 simultaneously at the refrigeration agent that allows to be directed in the seal casinghousing 10 along suction pipe 11, prevents to be delivered to seal casinghousing 10 from the vibration of compression set 20 and driver element 30 generations by suction pipe 11.
Simultaneously, the connecting passage 65 that resonant space 50a is connected to refrigeration agent suction chamber 23a is formed in the leading pipe 62 of the refrigeration agent suction chamber 23a that is inserted into cylinder head 23.Safety check 80 is installed on the connecting passage 65, is used for preventing that refrigeration agent is from the past resonant space 50a that sucks silencing apparatus 50 that is back to of pressing chamber 21a.
In order easily safety check 80 to be installed on the connecting passage 65, leading pipe 62 comprises the first leading pipe 62a and the second leading pipe 62b, the first leading pipe 62a forms as one with first body 60 that sucks silencing apparatus 50, the manufacturing that the second leading pipe 62b and the first leading pipe 62a are independent and removably combine with the top of the first leading pipe 62a.The first leading pipe 62a has the first extension 62e that extends among the resonant space 50a and extends to the second outer extension 62f of resonant space 50a.
For the first leading pipe 62a and the second leading pipe 62b are bonded to each other, male thread is formed on the periphery of the second extension 62f, and the box thread 64 corresponding with male thread 63 is formed on the interior week of the second leading pipe 62b.Therefore, by the direction rotation that the first leading pipe 62a is combined with box thread 64 along male thread 63, the first leading pipe 62a can easily combine with the second leading pipe 62b.
Safety check 80 on connecting passage 65 comprises leaf valve 81 and stopper 86, and leaf valve 81 is used to open and close connecting passage 65, stopper 86 be used to limit leaf valve 81 motion so that leaf valve 81 only can be opened in one direction.
Leaf valve 81 is made by flexible stainless steel (flexible stainless) or plastic material because pressure difference and easily crooked, the lower end of stopper 86 supporting spring valves 81 so that leaf valve 81 only can be bent upwards.
Therefore, when safety check 80 was installed on the connecting passage 65, refrigeration agent was merely able to along mobile to the direction of pressing chamber 21 from the resonant space 50a that sucks silencing apparatus 50, and can not reverse flow.
For safety check 80 is installed on the connecting passage 65, the second leading pipe 62b and the first leading pipe 62a is separated, and stopper 86 and leaf valve 81 are installed on the internal surface of the first leading pipe 62a.
Leaf valve 81 has fixed projection 82 and forms fixed end so that leaf valve 81 is attached on the internal surface of first leading pipe 62, the first leading pipe 62a has internal surface from the first leading pipe 62a along the fixed groove 66 that radially cuts away, so that fixed projection 82 is received and is attached in the fixed groove 66.
For safety check 80 is installed on the connecting passage 65, stopper 86 at first is attached on the position facing to fixed groove 66 on the internal surface of the first leading pipe 62a.Next, insert and be attached to mode install spring plate valve 81 in the fixed groove 66 with the fixed projection 82 of leaf valve 81.
Adhere to stopper 86 and leaf valve 81 has a lot of diverse ways, for example bolt connection, bonding etc., but preferably adhere to stopper 86 and leaf valve 81 by the mode of ultrasonic welding.
After being installed to safety check 80 on the connecting passage 65, the second leading pipe 62b combines with the first leading pipe 62a.Do like this, by the pressure of the pressure step 67 that forms in the bottom of the first leading pipe 62a, the fixed projection 82 of leaf valve 81 is more firmly fixed.
Below, will the operation and the effect of hermetic compressor according to an embodiment of the invention be described.
When driver element 30 is operated, piston 22 in pressing chamber 21a from the top dead central motion to center, dead point, bottom.At this moment, because the pressure in pressing chamber 21a is lower than external pressure, so be inhaled among the pressing chamber 21a through suction pipe 11, suction silencing apparatus 50 and refrigeration agent suction chamber 23a by the low pressure refrigerant of vaporizer.Refrigeration agent is inhaled among the pressing chamber 21a always, arrives the bottom dead center center up to piston 22.
Owing to piston 22 makes the pressure the pressing chamber 21a be higher than external pressure from the bottom dead center central motion to the top dead center, so the suction valve 24a that opens wide moves along the direction of valve closing.Because suction valve 24a closes gradually according to the pressure change of pressing chamber 21a, is not promptly to close, so some refrigeration agents are discharged among the refrigeration agent suction chamber 23a by suction valve 24a.
Yet, because safety check 80 is installed in the connecting passage 65 that is used for refrigeration agent suction chamber 23a is connected to the resonant space 50a that sucks silencing apparatus 50, so back the refrigeration agent of Liu Donging can not enter resonant space 50a.Therefore, can solve because the vibration of resonant space 50a and the problem of the low-frequency noise that produces from the refrigeration agent that refluxes.
And, can reduce amount by the refrigeration agent of suction valve discharging, also can improve the compressed capability of compressor, and can improve the refrigerating capacity of whole refrigeration cycle.
As mentioned above,, can prevent to enter the resonant space that sucks silencing apparatus, reducing the amount of the refrigeration agent that is discharged from by suction valve, and can improve the compressed capability of compressor by the refrigeration agent that suction valve back flows according to hermetic compressor of the present invention.
Though shown and described some embodiments of the present invention, but it should be appreciated by those skilled in the art, without departing from the principles and spirit of the present invention, can change these embodiments, scope of the present invention is limited by claim and equivalent thereof.

Claims (9)

1, a kind of hermetic compressor comprises:
Seal casinghousing;
Pressing chamber is arranged in seal casinghousing, is used for compressed refrigerant;
The refrigeration agent suction chamber is communicated with described pressing chamber fluid ground, is used for refrigeration agent is drawn into described pressing chamber;
Suck silencing apparatus, be connected to the refrigeration agent suction chamber, be used for reducing the noise that sends by the refrigeration agent that is inhaled into described pressing chamber;
Safety check is installed in described refrigeration agent suction chamber and is formed between the resonant space in the described suction silencing apparatus, is used to prevent that refrigeration agent from back flowing to described resonant space from described pressing chamber.
2, hermetic compressor as claimed in claim 1, wherein, described safety check comprises:
Leaf valve is suitable for opening and closing the connecting passage between described refrigeration agent suction chamber and described resonant space;
Stopper is used to limit the motion of described leaf valve, so that described leaf valve only is opened on the direction that flows of refrigeration agent when refrigeration agent enters described pressing chamber.
3, hermetic compressor as claimed in claim 2, wherein, described leaf valve comprises fixed projection, and described connecting passage has the fixed groove that is used to hold described fixed projection, and wherein, leaf valve is installed in the described connecting passage.
4, hermetic compressor as claimed in claim 1, wherein, described suction silencing apparatus comprises leading pipe, and described connecting passage is formed in the described leading pipe, and wherein, described leading pipe comprises:
First leading pipe comprises first extension that extends in the described resonant space and second extension that extends to described resonant space outside;
Second leading pipe removably combines with second extension of first leading pipe.
5, hermetic compressor as claimed in claim 4, wherein, one in described first leading pipe and second leading pipe is formed with male thread, and another in described first leading pipe and second leading pipe is formed with box thread, so that first leading pipe is suitable for combining with described second leading pipe.
6, a kind of hermetic compressor comprises:
Seal casinghousing;
Suction pipe is used for the refrigeration agent that described seal casinghousing is outer and is directed in the described seal casinghousing;
Pressing chamber is suitable for compressing by described suction pipe and is directed to refrigeration agent in the described seal casinghousing;
Suck silencing apparatus, be arranged between described pressing chamber and the described suction pipe, be used for reducing the noise that sends by the refrigeration agent that is inhaled into described pressing chamber;
Safety check is installed in the position near described suction silencing apparatus outlet, is used for preventing that the refrigeration agent at described pressing chamber from back flowing to the described suction silencing apparatus from described pressing chamber.
7, hermetic compressor as claimed in claim 6, wherein, described safety check comprises:
Leaf valve is suitable for opening and closing the outlet of described suction silencing apparatus;
Stopper is used to limit the motion of described leaf valve, so that described leaf valve only is opened on the direction that flows of refrigeration agent when refrigeration agent enters described pressing chamber.
8, hermetic compressor as claimed in claim 6, wherein, described suction silencing apparatus comprises resonant space that is formed on wherein and the leading pipe that forms connecting passage between described resonant space and described pressing chamber, wherein, described leading pipe comprises:
First leading pipe comprises first extension that extends in the described resonant space and second extension that extends to described resonant space outside;
Second leading pipe removably combines with second extension of described first leading pipe.
9, hermetic compressor as claimed in claim 8, wherein, described safety check is installed in the position near described second extension.
CNA200710109192XA 2006-06-28 2007-06-14 Hermetic type compressor Pending CN101096946A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060058974A KR20080000996A (en) 2006-06-28 2006-06-28 Hermetic type compressor
KR1020060058974 2006-06-28

Publications (1)

Publication Number Publication Date
CN101096946A true CN101096946A (en) 2008-01-02

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US (1) US20080003115A1 (en)
KR (1) KR20080000996A (en)
CN (1) CN101096946A (en)

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CN102292547A (en) * 2009-01-21 2011-12-21 Lg电子株式会社 Hermetic compressor
CN104797819A (en) * 2012-10-05 2015-07-22 阿塞里克股份有限公司 Hermetic compressor comprising exhaust muffler

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KR101377304B1 (en) * 2007-07-27 2014-03-26 엘지전자 주식회사 A suction muffler for hermatic compressor
US9938967B2 (en) * 2014-10-29 2018-04-10 Emerson Climate Technologies, Inc. Reciprocating compressor system
KR20160055497A (en) * 2014-11-10 2016-05-18 엘지전자 주식회사 Reciprocating compressor and a method for assembling the same
KR101951651B1 (en) * 2017-05-18 2019-02-25 뉴모텍(주) Compact Air Compressor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102292547A (en) * 2009-01-21 2011-12-21 Lg电子株式会社 Hermetic compressor
CN102292547B (en) * 2009-01-21 2014-06-18 Lg电子株式会社 Hermetic compressor
CN104797819A (en) * 2012-10-05 2015-07-22 阿塞里克股份有限公司 Hermetic compressor comprising exhaust muffler

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US20080003115A1 (en) 2008-01-03
KR20080000996A (en) 2008-01-03

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