CN113669231A - Exhaust structure, compressor and refrigeration plant - Google Patents

Abstract

The invention provides an exhaust structure, a compressor and refrigeration equipment, wherein the exhaust structure comprises: the silencing bag is provided with a first opening and a second opening; the first communicating pipe is communicated with the first opening, and the first communicating pipe is a rigid pipe; and the second communicating pipe is communicated with the second opening and is a flexible pipe. According to the exhaust structure provided by the invention, the first port and the second port of the silencing bag are connected in different connection modes, the first port is connected with the rigid pipe, and the second port is connected with the flexible pipe, so that the vibration of the silencing bag can be limited on one hand, the transmission of noise vibration can be attenuated on the other hand, and further good damping and noise reduction effects can be realized.

Description

Exhaust structure, compressor and refrigeration plant

Technical Field

The invention relates to the technical field of compressors, in particular to an exhaust structure, a compressor and refrigeration equipment.

Background

Compressors are important functional components in refrigeration systems to draw refrigerant fluid and compress it to produce a high pressure stream of such fluid. During the operation of the compressor, sound waves are often generated in the fluid and enter the exhaust structure of the compressor, so that the sound waves (also called "pulsation") cause a noise problem, and the technical problem cannot be solved well in the related art.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

To this end, a first aspect of the invention provides an exhaust structure.

A second aspect of the present invention provides a compressor.

In a third aspect, the present invention provides a refrigeration apparatus.

A first aspect of the present invention provides an exhaust structure including: the silencing bag is provided with a first opening and a second opening; the first communicating pipe is communicated with the first opening, and the first communicating pipe is a rigid pipe; and the second communicating pipe is communicated with the second opening and is a flexible pipe.

A first aspect of the present invention provides an exhaust structure, including: the silencing bag comprises a silencing bag, a first communicating pipe and a second communicating pipe. Wherein, be provided with first opening and second opening on the amortization package, first communicating pipe is linked together with first opening, and second communicating pipe is linked together with the second opening, guarantees the gas circulation. Particularly, the first communicating pipe is a rigid pipe which has good rigidity and can play a good role in fixing and positioning the sound-absorbing bag; the second communicating pipe is a flexible pipe, and the flexible pipe can relieve vibration and vibration to a certain extent, so that the effects of shock absorption and noise reduction are achieved.

Therefore, through the cooperation of rigid pipe and flexible pipe use, make the steel pipe can play fine fixed action to the amortization package, and then the shake of restriction amortization package, make the flexible pipe can reduce the shake of amortization package and transmit towards other structures, make the flexible pipe can reduce the vibration that exhaust pulsation arouses and transmit towards other structures, and then decay shake and vibration in the root, avoid follow-up structure to produce vibration and noise because of the amortization package, in order to reach the vibration/noise reduction purpose effect. In addition, the second communicating pipe is set to be a flexible pipe, resonance between a subsequent structure and the silencing bag can be avoided, and the working noise of the exhaust structure is further reduced.

According to the exhaust structure provided by the invention, the first port and the second port of the silencing bag are connected in different connection modes, the first port is connected with the rigid pipe, and the second port is connected with the flexible pipe, so that the vibration of the silencing bag can be limited on one hand, the transmission of noise vibration can be attenuated on the other hand, and further good damping and noise reduction effects can be realized.

According to the exhaust structure of the above technical solution of the present invention, the following additional technical features may be further provided:

in the above technical scheme, the first opening is an air inlet, and the first communicating pipe is an air inlet pipe; the second opening is an air outlet, and the second communicating pipe is an air outlet pipe.

In the technical scheme, the first opening is an air inlet, and the first communication pipe is used as an air inlet pipe; the second opening is the gas outlet, and the second is communicating pipe and is used as the outlet duct. That is, in the exhaust structure use, first communicating pipe can play good location and fixed amortization package's effect in air inlet department, avoid the amortization package to take place the shake because of the gas inflow, the second communicating pipe can play good shock attenuation effect in air outlet department, guarantee the flexonics between amortization package and the follow-up structure, effectively reduce the shake of amortization package or the vibration that exhaust pulsation arouses and transmit towards other parts, thereby cut off the transmission of shake and vibration, avoid follow-up structure to produce vibration and noise because of the amortization package.

In any of the above technical schemes, the first communicating pipe is a metal pipe, and the second communicating pipe is a plastic hose.

In this technical scheme, first communicating pipe is the metal pipe, and the second communicating pipe is the plastic hose. The metal pipe has good rigidity, can ensure the fixing effect on the silencing bag and simultaneously ensure the service life of the silencing bag; the plastic hose has good flexibility, so that the vibration and the vibration of the silencing bag can be buffered, the transmission path of the vibration and the vibration is cut off, and the vibration and the noise of a follow-up structure caused by the silencing bag are avoided.

In any of the above technical solutions, the first communication pipe is welded to the first opening; the exhaust structure further comprises a first connecting structure, the first connecting structure is arranged at the second opening, and the second communicating pipe is connected with the first connecting structure.

In the technical scheme, the first communication pipe is welded with the first opening, so that the connection strength of the first communication pipe and the first opening is ensured, and the limitation of the first communication pipe on the sound-absorbing bag is further ensured; in addition, exhaust structure still includes first connection structure, and first connection structure sets up in the second opening part, and is provided with the assembly wall in the first connection structure, and second communicating pipe is connected with first connection structure through the assembly wall, and first connection structure effectively increases the installation area of second communicating pipe, and then promotes the second communicating pipe and the joint area and the joint strength of amortization package, guarantees the firm connection of second communicating pipe and amortization package.

In any of the above technical solutions, the first connecting structure is welded at the second opening; the second communicating pipe is in interference fit with the first connecting structure; and/or the second communication pipe is bonded with the first connection structure.

In the technical scheme, the first connecting structure is welded at the second opening, so that the first connecting structure is ensured to be stably arranged at the second opening; the second communicating pipe has certain plasticity, and then adopts interference fit's mode installation between second communicating pipe and the first connecting structure. In addition, the assembly wall surface of the second communicating opening and the first connecting structure is coated with super glue, so that the second communicating opening and the first connecting structure are tightly adhered, and the connecting strength of the second communicating pipe is further improved.

In any of the above technical solutions, the exhaust structure further includes: the air hole partition plate is arranged in the silencing bag, and the first opening and the second opening are positioned on two sides of the air hole partition plate.

In this technical scheme, the inside of amortization package is provided with the gas pocket baffle, and first opening and second opening are located the both sides of gas pocket baffle. That is, in exhaust structure use, gaseous back that enters into amortization package inside need pass the gas pocket baffle and just can discharge, and the setting of gas pocket baffle can play good noise cancelling effect, and then reaches the effect of making an uproar.

A second aspect of the present invention provides a compressor comprising: the compression device comprises a main body, a compression cavity and a compression cavity, wherein the compression cavity is arranged in the main body; and as for the exhaust structure of any one of the technical schemes, the exhaust structure is arranged on the main body, and the first communication pipe is communicated with the compression cavity and the silencing bag.

A second aspect of the present invention provides a compressor, comprising: the main part and the exhaust structure of any one of the above technical solutions. Therefore, the compressor has all the advantages of the above-mentioned exhaust structure, and is not discussed one by one here.

Specifically, be provided with the compression chamber in the main part, exhaust structure sets up in the main part, and exhaust structure's first communicating pipe intercommunication compression chamber and amortization package, and then supplies the gaseous row in the compression chamber to the amortization package, then discharges through second communicating pipe.

The compressor according to the above technical aspect of the present invention may further have the following additional technical features:

in the above technical solution, the compressor further includes: the air inlet pipeline is communicated with the compression cavity and the first communicating pipe; the end part of the second communicating pipe is connected with the exhaust pipeline; wherein, air inlet pipeline and exhaust pipe are located exhaust structure's same side.

In the technical scheme, the compressor further comprises an air inlet pipeline and an exhaust pipeline. The first communication pipe is connected to the air inlet pipeline to ensure that gas inside the compression cavity flows to the silencing cavity; the exhaust pipeline is arranged on the main body, and the end part of the second communicating pipe is connected with the exhaust pipeline, so that gas entering the interior of the silencing cavity is exhausted by the exhaust pipeline after passing through the second communicating pipe. Particularly, air inlet pipe way and exhaust pipe are located exhaust structure's same side, and then make the second communicating pipe wholly be the bending form and laminate in the main part setting, guarantee that gaseous smooth and easy flow in the second communicating pipe, reduce the shared space of second communicating pipe simultaneously, avoid appearing the problem of structural interference.

In any one of the above technical solutions, the exhaust structure further includes a second connection structure disposed at an end of the second communication pipe, and the second connection structure is welded to the exhaust pipe.

In this solution, the exhaust structure further includes a second connecting structure. The second connecting structure is arranged at one end, deviating from the silencing bag, of the second communicating pipe and is connected with the exhaust pipeline in a welding mode. Based on the use of second connection structure for the second communicating pipe can adopt welded form to connect in exhaust pipe, has guaranteed the joint strength of second communicating pipe and exhaust pipe.

In any of the above solutions, the compressor is a reciprocating compressor.

A third aspect of the present invention provides a refrigeration apparatus comprising: a storage chamber; and the compressor according to the above technical scheme, wherein the compressor is suitable for refrigerating the storage chamber.

A third aspect of the invention proposes a refrigeration device comprising a storage chamber and a compressor as described above. Therefore, the refrigeration equipment has all the beneficial effects of the air exhaust structure, and is not discussed in detail herein.

Specifically, the refrigeration equipment includes, but is not limited to: refrigerators, freezers, display cases.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a top view of a discharge structure and compressor in accordance with an embodiment of the present invention;

FIG. 2 is a front view of the compressor and the discharge structure of the embodiment shown in FIG. 1;

FIG. 3 is a schematic view of the discharge structure and another view of the compressor of the embodiment of FIG. 1;

FIG. 4 is an enlarged view of a portion of the discharge structure and compressor of the embodiment of FIG. 3 at A;

FIG. 5 is an enlarged view of a portion of the discharge structure and compressor B of the embodiment shown in FIG. 3;

FIG. 6 is a cross-sectional view of the discharge structure and muffler package of the compressor of the embodiment shown in FIG. 1;

fig. 7 is a schematic view of the structure of the discharge structure and the discharge structure in the compressor of the embodiment shown in fig. 1.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:

102 sound-deadening bag, 104 first opening, 106 second opening, 108 first communicating pipe, 110 second communicating pipe, 112 first connecting structure, 114 vent baffle, 202 main body, 204 vent line, 206 second connecting structure.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

A discharge structure, a compressor, and a refrigeration apparatus provided according to some embodiments of the present invention will be described below with reference to fig. 1 to 7.

The first embodiment is as follows:

as shown in fig. 1, 2 and 7, a first embodiment of the present invention proposes a gas discharge structure including: a sound-damping bag 102, a first communication tube 108 and a second communication tube 110.

As shown in fig. 6 and 7, the sound-absorbing bag 102 is provided with a first opening 104 and a second opening 106, the first communicating pipe 108 is communicated with the first opening 104, and the second communicating pipe 110 is communicated with the second opening 106, so as to ensure the gas circulation. Particularly, the first communication pipe 108 is a rigid pipe having good rigidity and capable of achieving good fixing and positioning effects on the sound-absorbing bag 102, and the second communication pipe 110 is a flexible pipe capable of alleviating vibration and vibration to a certain extent and achieving vibration absorption and noise reduction effects.

Specifically, through the cooperation of rigid pipe and flexible pipe use, make the steel pipe can play fine fixed action to the amortization package 102, and then restrict the shake of amortization package 102, make the flexible pipe can reduce the shake of amortization package 102 and transmit towards other structures, make the flexible pipe can reduce the vibration that the exhaust pulsation arouses and transmit towards other structures, and then decay shake and vibration in the root, avoid follow-up structure to produce vibration and noise because of amortization package 102, in order to reach the vibration/noise reduction purpose effect. In addition, the second communicating pipe 110 is a flexible pipe, so that resonance between a subsequent structure and the silencing bag 102 can be avoided, and the working noise of the exhaust structure can be further reduced.

Therefore, in the exhaust structure provided by this embodiment, the first port and the second opening 106 of the sound-deadening bag 102 adopt different connection modes, the first opening 104 is connected to the rigid pipe, and the second opening 106 is connected to the flexible pipe, so that on one hand, the vibration of the sound-deadening bag 102 can be limited, on the other hand, the transmission of noise vibration can be attenuated, and further, good vibration-absorbing and noise-reducing effects can be achieved.

In this embodiment, further, the first opening 104 is an air inlet, and the first communication pipe 108 is used as an air inlet pipe; the second opening 106 is an air outlet, and the second communicating tube 110 is used as an air outlet tube.

That is, in the use process of the exhaust structure, the first communicating pipe 108 can play a good role in positioning and fixing the silencing bag 102 at the air inlet, so as to prevent the silencing bag 102 from shaking due to the inflow of air, the second communicating pipe 110 can play a good role in damping at the air outlet, so as to ensure the flexible connection between the silencing bag 102 and the subsequent structure, effectively reduce the vibration caused by the shaking or exhaust pulsation of the silencing bag 102 and transmit the vibration to other components, thereby cutting off the transmission of the shaking and the vibration, and preventing the subsequent structure from generating vibration and noise due to the silencing bag 102.

In this embodiment, the first connection pipe 108 is a metal pipe, and the second connection pipe 110 is a plastic hose.

The metal pipe has good rigidity, can ensure the fixing effect on the sound-absorbing bag 102, and simultaneously ensures the service life of the sound-absorbing bag 102; the plastic hose has good flexibility, so that the vibration and the shake of the silencing bag 102 can be buffered, the transmission path of the vibration and the shake is cut off, and the vibration and the noise of a subsequent structure caused by the silencing bag 102 are avoided.

Example two:

as shown in fig. 1, 2 and 7, a second embodiment of the present invention proposes a gas discharge structure including: a sound-damping bag 102, a first communication tube 108 and a second communication tube 110.

As shown in fig. 6 and 7, the sound-absorbing bag 102 is provided with a first opening 104 and a second opening 106, the first communicating pipe 108 is communicated with the first opening 104, and the second communicating pipe 110 is communicated with the second opening 106, so as to ensure the gas circulation. Particularly, the first communication pipe 108 is a rigid pipe having good rigidity and capable of achieving good fixing and positioning effects on the sound-absorbing bag 102, and the second communication pipe 110 is a flexible pipe capable of alleviating vibration and vibration to a certain extent and achieving vibration absorption and noise reduction effects. Therefore, by using the rigid tube and the flexible tube in combination, the vibration of the noise-damping bag 102 can be limited, and the transmission of noise vibration can be attenuated, so that good vibration-damping and noise-reducing effects can be achieved.

In this embodiment, further, the first communication pipe 108 is welded to the first opening 104, so as to ensure the connection strength between the first communication pipe 108 and the first opening 104, and further ensure the restriction of the first communication pipe 108 on the sound-absorbing bag 102; in addition, as shown in fig. 1, 3, and 4, the exhaust structure further includes a first connection structure 112, the first connection structure 112 is disposed at the second opening 106, and an assembly wall surface is disposed in the first connection structure 112, the second communication pipe 110 is connected to the first connection structure 112 through the assembly wall surface, the first connection structure 112 effectively increases an installation area of the second communication pipe 110, so as to improve a connection area and a connection strength between the second communication pipe 110 and the silencing package 102, and ensure a firm connection between the second communication pipe 110 and the silencing package 102.

In this embodiment, further, as shown in fig. 1, 3 and 4, the first connecting structure 112 is welded at the second opening 106, so as to ensure that the first connecting structure 112 is stably installed at the second opening 106; the second communication pipe 110 has certain plasticity, so that the second communication pipe 110 and the first connection structure 112 are installed in an interference fit manner. In addition, super glue is applied to the assembly wall surface of the second communication port and the first connection structure 112, so that the two are tightly adhered, and the connection strength of the second communication pipe 110 is further improved.

In an exemplary embodiment, the first connecting structure 112 and the second opening 106 are connected by soldering or high frequency welding.

In any of the above embodiments, further, as shown in fig. 6, the inside of the sound attenuating bag 102 is provided with the air hole partition 114, and the first opening 104 and the second opening 106 are located on both sides of the air hole partition 114. That is, in the use process of the exhaust structure, after the gas enters the interior of the silencing bag 102, the gas can be discharged only by passing through the air hole partition plate 114, and the arrangement of the air hole partition plate 114 can achieve a good silencing effect, so as to achieve the effect of noise reduction.

In any of the above embodiments, the first communicating tube 108 is a metal air inlet tube, and the second communicating tube 110 is a plastic hose.

Example three:

as shown in fig. 1 and 2, a third embodiment of the present invention provides a compressor including: a body 202 and an exhaust structure as described in the first or second embodiments above.

The compressor provided by the embodiment comprises the exhaust structure of the embodiment. Therefore, the compressor has all the advantages of the above-mentioned exhaust structure, and is not discussed one by one here.

Specifically, be provided with the compression chamber in the main part 202, exhaust structure sets up in main part 202, and exhaust structure's first communicating pipe 108 intercommunication compression chamber and amortization package 102, and then supplies the gas in the compression chamber to arrange to amortization package 102, then discharges through second communicating pipe 110.

In this embodiment, further, as shown in fig. 1 and 5, the compressor also includes an intake line and an exhaust line 204. Wherein, the air inlet pipeline is arranged on the main body 202 and communicated with the compression cavity, and the first communicating pipe 108 is connected with the air inlet pipeline to ensure that the gas inside the compression cavity flows to the silencing cavity; the exhaust line 204 is disposed on the body 202, and an end of the second communication pipe 110 is connected to the exhaust line 204, so that the gas introduced into the interior of the muffler chamber passes through the second communication pipe 110 and is discharged from the exhaust line 204. Particularly, the air inlet pipeline and the exhaust pipeline 204 are located on the same side of the exhaust structure, so that the second communicating pipe 110 is integrally bent, and smooth flow of air in the second communicating pipe 110 is ensured.

In this embodiment, further, as shown in fig. 5 and 7, the exhaust structure further includes a second connecting structure 206. The second connection structure 206 is disposed at an end of the second connection pipe 110 away from the silencing bag 102, and is connected to the exhaust pipe 204 by welding. Based on the use of the second connection structure 206, the second connection pipe 110 can be connected to the exhaust pipe 204 in a welded manner, and the connection strength between the second connection pipe 110 and the exhaust pipe 204 is ensured.

In an exemplary embodiment, the second connecting structure 206 is connected to the exhaust conduit 204 by brazing or high frequency welding.

In a particular embodiment, the compressor is a reciprocating compressor.

Example four:

a fourth embodiment of the present invention provides a refrigeration apparatus including: a storage chamber and a compressor as in the third embodiment, the compressor being adapted to effect refrigeration of the storage chamber (not shown).

The refrigeration equipment of the third aspect of the invention comprises the compressor according to the third embodiment. Therefore, the refrigeration equipment has all the beneficial effects of the air exhaust structure, and is not discussed in detail herein.

In particular embodiments, the refrigeration equipment includes, but is not limited to: refrigerators, freezers, display cases.

The specific embodiment is as follows:

the present invention discloses a gas discharge structure having a new connection method, as shown in fig. 6 and 7, the gas discharge structure includes: the silencing bag 102 is provided with an air inlet and an air outlet at two ends of the silencing bag 102; the metal air inlet pipe is arranged at the air inlet of the silencing bag 102 and is connected through brazing or high-frequency welding; a plastic hose connected to the outlet of the silencing bag 102, as shown in fig. 1, 2 and 3, the plastic hose is configured to have a certain shape, and is finally connected to a steel exhaust pipe 204 disposed on the main body 202; as shown in fig. 1 and 4, the first connecting structure 112 is disposed at an air outlet of the sound-absorbing bag 102, the first connecting structure 112 made of steel is connected with the sound-absorbing bag 102 by brazing or high-frequency welding, the plastic hose can be tightly fitted with the first connecting structure 112, and is fixed by a strong adhesive with a certain strength; as shown in fig. 1 and 5, the second connecting structure 206 is disposed at the connection between the tail of the plastic hose and the exhaust pipe 204, so as to connect the plastic hose to the exhaust pipe 204 and prolong the durability of the plastic hose. In particular, in the above description, the metal air inlet pipe is the first communicating pipe 108, the plastic hose is the second communicating pipe 110, and the tight fit is the interference fit.

According to the invention, the two ends of the silencing bag 102 are communicated by adopting different materials, and different connecting methods are adopted, so that the metal air inlet pipe at the air inlet of the silencing bag 102 can play a good fixing role to limit the shaking of the silencing bag 102, and the plastic hose at the outlet of the silencing bag 102 can well reduce the transmission of the shaking of the exhaust silencing bag 102 or the vibration caused by exhaust pulsation to the compressor main body 202.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An exhaust structure, comprising:

the silencing bag is provided with a first opening and a second opening;

the first communicating pipe is communicated with the first opening, and the first communicating pipe is a rigid pipe;

and the second communicating pipe is communicated with the second opening and is a flexible pipe.

2. The exhaust structure according to claim 1,

the first opening is an air inlet, and the first communicating pipe is an air inlet pipe;

the second opening is an air outlet, and the second communicating pipe is an air outlet pipe.

3. The exhaust structure according to claim 1,

the first communicating pipe is a metal pipe, and the second communicating pipe is a plastic hose.

4. The exhaust structure according to any one of claims 1 to 3,

the first communication pipe is connected with the first opening in a welding mode;

the exhaust structure further comprises a first connecting structure, the first connecting structure is arranged at the second opening, and the second communicating pipe is connected with the first connecting structure.

5. The exhaust structure according to claim 4,

the first connecting structure is welded at the second opening;

the second communicating pipe is in interference fit with the first connecting structure; and/or

The second communication pipe is bonded to the first connection structure.

6. The exhaust structure according to any one of claims 1 to 3, further comprising:

the air hole partition plate is arranged in the silencing bag, and the first opening and the second opening are positioned on two sides of the air hole partition plate.

7. A compressor, comprising:

the compression device comprises a main body, a compression cavity and a compression mechanism, wherein the compression cavity is arranged in the main body; and

the exhaust structure as claimed in any one of claims 1 to 6, provided to the main body, the first communication pipe communicating the compression chamber and the muffler package.

8. The compressor of claim 7, further comprising:

the air inlet pipeline is communicated with the compression cavity and the first communication pipe;

the end part of the second communicating pipe is connected with the exhaust pipeline;

wherein the air inlet pipeline and the exhaust pipeline are positioned on the same side of the exhaust structure.

9. The compressor of claim 8,

the exhaust structure further comprises a second connecting structure arranged at the end part of the second communicating pipe, and the second connecting structure is connected with the exhaust pipeline in a welding mode.

10. A refrigeration apparatus, comprising:

a storage chamber; and

a compressor as claimed in any one of claims 7 to 9, adapted to effect refrigeration of the storage chamber.

Images