CN205192004U - Refrigerator is towards current limiting device of white pipeline - Google Patents
Refrigerator is towards current limiting device of white pipeline Download PDFInfo
- Publication number
- CN205192004U CN205192004U CN201520956693.1U CN201520956693U CN205192004U CN 205192004 U CN205192004 U CN 205192004U CN 201520956693 U CN201520956693 U CN 201520956693U CN 205192004 U CN205192004 U CN 205192004U
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- Prior art keywords
- shell ring
- flange
- hole
- current
- limiting apparatus
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- 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.)
- Withdrawn - After Issue
Links
- 238000010257 thawing Methods 0.000 claims description 66
- 230000002093 peripheral effect Effects 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 85
- 229910021529 ammonia Inorganic materials 0.000 abstract description 42
- 230000000694 effects Effects 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Defrosting Systems (AREA)
Abstract
The utility model provides a refrigerator is towards current limiting device of white pipeline belongs to safety device technical field. It has solved current refrigerator towards difficult frost and the relatively poor problem of security of dashing of white pipeline. This refrigerator is towards current limiting device of white pipeline, it dashes the frost pipe to include towards white pipeline, current limiting device includes flange no. 1, flange no. 2, shell ring no. 1, shell ring no. 2 and spring, flange no. 1 is connected at the tip that dashes the frost pipe, the bottom of shell ring no. 2 links firmly on the downthehole wall of the flange of flange no. 2, and has the through -hole no. 1 that a plurality of distributes along two circumference of shell ring on the lower part wall of shell ring no. 2, place in the shell ring no. 1 and dash the frost pipe, and the lower part slip cap of shell ring no. 1 is established on shell ring no. 2, move down the measured time earlier on when the shell ring, shell ring no. 1 can cover on through -hole no. 1, the top of shell ring no. 1 has linked firmly the top cap, through -hole no. 2 has on the top cap, the top of spring is supported and is leaned on on the bottom surface of top cap, the top of leaning on at shell ring no. 2 is supported to the bottom of spring. It can carry out the self -adaptive control to the hot ammonia flow that is used for dashing the frost, and the security is good.
Description
Technical field
The utility model belongs to safety means technical field, relates to a kind of current-limiting apparatus, particularly a kind of current-limiting apparatus of refrigerator defrosting pipeline.
Background technology
Refrigerator is the infrastructure of development refrigeration industry, in the running of refrigerator, be faced with the frosting problem of evaporimeter bar none, frosting is one of modal phenomenon in Refrigeration Engineering field, it is a kind of phenomenon that refrigerating evaporator effectively works, and brings adverse effect also to the heat exchange of refrigerating evaporator simultaneously.Frost layer on refrigerating evaporator coil pipe can increase thermal conduction resistance, reduce heat transfer effect, for the refrigerating plant using air-cooler, the existence of frost layer also can increase the flow resistance of air, this directly will affect whole air-cooler and normally work, and the overall performance of cold storage cooling device is declined.Therefore, for reducing the decline of evaporator heat transfer performance, system keeps high-efficiency operation, just must defrost in good time.
At present, the Defrost method that refrigerator is conventional has: electric heater defrosting, hot gas defrosting and water defrosting etc., wherein hot gas defrosting comprises hot ammonia defrosting, hot ammonia only need be passed into muffler when defrosting by it, to be dispelled the heat defrosting at vaporization chamber by finned tube, hot ammonia congeals into after liquid ammonia and gets back to system from the feed liquor collector of bottom, drain line, has the advantages such as simple to operate, energy-conservation, improves the automatic control ability of freezer.In order to ensure security during hot ammonia defrosting, need to control the pressure of hot ammonia, flow when defrosting is initial, defrosting pressure generally remains on general control in 0.6 ~ 0.8MPa (gauge pressure), current existing equipment completes defrosting by workman's manual operations mostly, need before hot ammonia defrosting to remove the ammoniacal liquor in evaporimeter and associated pipe, sometimes the existence of a large amount of ammoniacal liquor is caused due to carelessness, if now large calorimetric ammonia remittance can sharply vaporization cause accident to occur.Thus carrying out flow restriction to defrosting pipeline is the important means preventing defrosting accident.
Utility model content
The purpose of this utility model there are the problems referred to above for existing technology, propose a kind of current-limiting apparatus of refrigerator defrosting pipeline, it can carry out Automatic adjusument to the hot ammonia flow for defrosting, flow into large calorimetric ammonia at the beginning of avoiding defrosting, prevent because downstream pipe exists a large amount of ammoniacal liquor and cause accident to occur.
The purpose of this utility model realizes by following technical proposal: a kind of current-limiting apparatus of refrigerator defrosting pipeline, described defrosting pipeline comprises defrosting pipe, it is characterized in that, described current-limiting apparatus comprises flange one, flange two, shell ring one, shell ring two and spring, described flange one is connected to the end of defrosting pipe, described flange two is connected with flange one, the flange hole bore of described flange one is greater than the flange hole bore of flange two, described shell ring one and shell ring two are round tube shape structure, the bottom of described shell ring two is connected on the flange hole inwall of flange two, and the bottom wall of shell ring two has several through holes one distributed along shell ring two circumference, described shell ring one is built in defrosting pipe, and the lower slide of shell ring one is set on shell ring two, when shell ring one moves down, shell ring one can hide on through hole one, the top of described shell ring one is fixed with top cover, described top cover has through hole two, the top of described spring is resisted against on the bottom surface of top cover, the bottom of spring is resisted against the top of shell ring two.
In the technical program, the inner chamber that through hole one is provided for shell ring two is connected with the tube chamber of defrosting pipe and introduces hot ammonia, the inner chamber that through hole two is provided for shell ring one is connected with the tube chamber of defrosting pipe and introduces hot ammonia, when defrosting Guan Zhongre ammonia input pressure is excessive, shell ring one moves down and progressively covers in through hole one under the thrust of hot ammonia, thus reduce the flow of hot ammonia, prevent too much hot ammonia from entering into the muffler of refrigerator; Spring can either cushion top cover and moving down of shell ring one when hot ammonia flow is excessive, and the stroke that moves down of top cover and shell ring one is limited, can after downstream pipe pressure gradually lifting, make top cover and shell ring one upwards reset again simultaneously, thus the through hole one of shell ring two is opened wide, augmented flow.
In the current-limiting apparatus of above-mentioned refrigerator defrosting pipeline, the wall on described shell ring two top offers several through holes three, described through hole three is the strip through hole axially arranged along shell ring two, wall in the middle part of described shell ring one offers the through hole four corresponding with through hole three position, an alignment pin is interspersed with in described through hole four, one end of described alignment pin is connected mutually with shell ring one, the other end interts in through hole three, when shell ring one moves up and down relative to shell ring two, alignment pin can move up and down in through hole three.By cooperatively interacting of alignment pin and through hole three, can limit the sliding stroke of shell ring one when shell ring one slides up and down relative to shell ring two, avoid shell ring one excessively move up and deviate from shell ring two, shell ring one can be avoided again excessively to move down and clash into flange two and cause shell ring one or flange two damage.
In the current-limiting apparatus of above-mentioned refrigerator defrosting pipeline, the two ends on the length direction of described through hole three are all made as semicircle arcuation, and described alignment pin is made as cylindrical pin, the width dimensions numerical value of described through hole three and the diameter dimension numerical value of alignment pin consistent.Alignment pin is made as straight pin, alignment pin can be made to move back and forth swimmingly along the length direction of through hole three, again can when sliding into through hole three end at alignment pin, reduce impulsive force, in addition the size due to alignment pin and through hole three is just adaptive, shell ring one and shell ring two can be avoided to relatively rotate under hot ammonia impacts, and then avoid alignment pin be subject to the shearing force of side direction and damage.
In the current-limiting apparatus of above-mentioned refrigerator defrosting pipeline, described through hole one is elongate holes, the length direction of described through hole one and the axis of shell ring two perpendicular.Through hole one is opened on the sidewall of shell ring two, hot ammonia is entered into the inner chamber of shell ring two again by the through hole one on shell ring two sidewall after being transported to the end face of flange two, through hole one is made as strip, make by hot ammonia flow relatively large, and the scope of follow-up adaptive flow adjustment is also relatively large, in addition after hot ammonia enters into shell ring two by through hole two, flow velocity can increase to some extent, improves defrosting effect.
In the current-limiting apparatus of above-mentioned refrigerator defrosting pipeline, the base of described through hole one and the end face of flange two flush.The base of through hole one and flange two end face are flushed, accumulate in when hot ammonia can be avoided to flow downward on the end face of shell ring two outer wall and flange two, be conducive to the efficiency improving the conveying of hot ammonia, also shell ring one can be made to move down simultaneously and cover in through hole for the moment, the bottom of shell ring one is just resisted against on the end face of flange two, realizes lower limit to the displacement stroke of shell ring one.
In the current-limiting apparatus of above-mentioned refrigerator defrosting pipeline, described top cover is circular plate-like shape structure, the outer peripheral face of described top cover offers several locating holes, the top sidewall of described shell ring one offers several and above-mentioned position of positioning hole positioning through hole one to one, described top cover is connected on the inwall at shell ring one top by removable securing member, and described securing member to intert in positioning through hole and is connected on locating hole.Top cover and shell ring one are removable fixing mechanism, and the replacing of volute spring can be made more convenient.
In the current-limiting apparatus of above-mentioned refrigerator defrosting pipeline, described through hole two is up big and down small bellmouth.Hot ammonia flow into through through hole two in the inner chamber of shell ring one from top to bottom, through hole two is made as up big and down small bellmouth, plays guide functions, simultaneously after hot ammonia is flowed into by the through hole two of taper, can also increase the flow velocity of hot ammonia, improves defrosting effect.
In the current-limiting apparatus of above-mentioned refrigerator defrosting pipeline, described spring is lower large little volute spring.Body is less and volute spring that load is large has the advantage that load concentration is transmitted in use, and left and right skew not easily occurs, and stability is better, thus makes daily replacing number of times relatively less, is of value to saving use cost.
In the current-limiting apparatus of above-mentioned refrigerator defrosting pipeline, described flange one is convex flange, described flange two is the female flange matched with flange one, the bottom surface of described flange one has the projecting ring section to lower convexity, the end face of described flange two has recessed annular groove, is provided with annular gasket between the bottom surface of described projecting ring section and the bottom land of annular groove.Male and female flange structure is formed between flange one and flange two, namely flange one is plugged in by projecting ring section in the annular groove of flange two, and sealed by annular gasket, the bonding strength between flange one and flange two and sealing can be ensured to greatest extent, between this outward flange one and flange two, tongue and groove flange structure can also be taked.
In the current-limiting apparatus of above-mentioned refrigerator defrosting pipeline, the radial direction of described flange two offers one for the sense channel of Bonding pressure table, described sense channel is connected with the flange hole of flange two.Sense channel on flange two is used for monitoring the hot ammonia pressure flow in flange two after shell ring one and shell ring two, avoids pressure excessive, thus ensures the safety in utilization of defrosting pipeline.
Compared with prior art, the utility model has following advantage:
1, this current-limiting apparatus is when defrosting pipeline carries out defrosting, when the input pressure of hot ammonia is excessive, shell ring moves down for a moment after overcoming the active force of spring, thus make the lower cover of shell ring one be located on the through hole two of shell ring one, thus reduce the intake of hot ammonia, realize the self-adaptative adjustment of hot ammonia flow.
2, this current-limiting apparatus is when defrosting pipeline carries out defrosting, and hot ammonia is by the through hole two of taper or passed into by laterally disposed through hole one, can improve the flow velocity of hot ammonia, improves defrosting effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of this current-limiting apparatus.
Fig. 2 is the structural representation of another state of this current-limiting apparatus.
Fig. 3 is the compound section schematic diagram of shell ring one and top cover in this current-limiting apparatus.
In figure, 1, defrosting pipe; 2, flange one; 21, projecting ring section; 3, flange two; 31, annular groove; 32, sense channel; 4, shell ring one; 41, positioning through hole; 42, through hole four; 5, shell ring two; 51, through hole one; 52, through hole three; 6, spring; 7, top cover; 71, through hole two; 72, locating hole; 8, annular gasket; 9, securing member; 10, alignment pin.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
With reference to Fig. 1, Fig. 2 and Fig. 3, the present embodiment is a kind of current-limiting apparatus of refrigerator defrosting pipeline, and defrosting pipeline comprises defrosting pipe 1, and current-limiting apparatus comprises flange 1, flange 23, shell ring 1, shell ring 25 and spring 6.Flange 1 is convex flange, flange 23 is the female flange matched with flange 1, the bottom surface of flange 1 has the projecting ring section 21 to lower convexity, and the end face of flange 23 has recessed annular groove 31, is provided with annular gasket 8 between the bottom surface of projecting ring section 21 and the bottom land of annular groove 31.Flange 1 is connected in the end of defrosting pipe 1 by welding, be connected by securing member between flange 23 with flange 1, the flange hole bore of flange 1 is greater than the flange hole bore of flange 23, flange 23 is connected with refrigerator, and the radial direction of flange 23 offering one for the sense channel 32 of Bonding pressure table, sense channel 32 is connected with the flange hole of flange 23.Shell ring 1 and shell ring 25 are round tube shape structure, the bottom of shell ring 25 is connected on the flange hole inwall of flange 23 by welding, and the bottom wall of shell ring 25 has 4 through holes 1 along the distribution of shell ring 25 circumference, shell ring 1 is built in defrosting pipe 1, and the lower slide of shell ring 1 is set on shell ring 25, when shell ring 1 moves down, shell ring 1 can hide on through hole 1, the top of shell ring 1 is fixed with top cover 7, the center of top cover 7 has through hole 2 71, through hole 2 71 is up big and down small bellmouth, spring 6 is lower large little volute spring, the top of spring 6 is resisted against on the bottom surface of top cover 7, the bottom of spring 6 is resisted against the top of shell ring 25.Through hole 1 in the present embodiment is elongate holes, the length direction of through hole 1 and the axis of shell ring 25 perpendicular, the base of through hole 1 and the end face of flange 23 flush.The base of through hole 1 and flange 23 end face are flushed, accumulate in when hot ammonia can be avoided to flow downward on the end face of shell ring 25 outer wall and flange 23, be conducive to the efficiency improving the conveying of hot ammonia, when simultaneously shell ring 1 also can be made to move down to cover in through hole 1, the bottom of shell ring 1 is just resisted against on the end face of flange 23, realizes lower limit further to the displacement stroke of shell ring 1.
See figures.1.and.2, the concrete syndeton of shell ring 1 and shell ring 25 is as follows: the wall on shell ring 25 top is offered 2 through holes 3 52, through hole 3 52 is the strip through hole axially arranged along shell ring 25, wall in the middle part of shell ring 1 offers 2 through holes four 42 corresponding with through hole 3 52 position, an alignment pin 10 is respectively interspersed with in through hole 4 42, one end of alignment pin 10 is connected in the through hole 4 42 of shell ring 1 by welding, the other end interts in the through hole three 52 corresponding with it, when shell ring 1 moves up and down relative to shell ring 25, alignment pin 10 can move up and down in through hole 3 52.In the present embodiment, the two ends on the length direction of through hole 3 52 are all made as semicircle arcuation, and alignment pin 10 is made as cylindrical pin, the width dimensions numerical value of through hole 3 52 and the diameter dimension numerical value of alignment pin 10 consistent.The size of alignment pin 10 and through hole 3 52 is just adaptive, alignment pin 10 can be made to move back and forth along the length direction of through hole 3 52, shell ring 1 and shell ring 25 can be avoided again to relatively rotate under hot ammonia impacts, make alignment pin 10 be subject to the shearing force of side direction and damage.
With reference to Fig. 1, Fig. 2 and Fig. 3, top cover 7 is circular plate-like shape structure, the outer peripheral face of top cover 7 offers several locating holes 72, the top sidewall of shell ring 1 offers several and locating hole 72 position positioning through hole 41 one to one, top cover 7 is connected on the inwall at shell ring 1 top by removable securing member 9, securing member 9 to intert in positioning through hole 41 and is connected on locating hole 72, and securing member 9 can be screw, bolt or alignment pin etc.Because shell ring 25 and flange 23 are connected mutually, and it is not quick detachable due to the existence of alignment pin 10 between shell ring 1 and shell ring 25, top cover 7 is connected with shell ring 1 can is being avoided realizing under the prerequisite destroyed current-limiting apparatus changing spring 6 by removable securing member 9, improves and change efficiency.
The operation principle of this current-limiting apparatus is as follows: when ammonia input pressure hot in defrosting pipe 1 is excessive, the active force that shell ring 1 overcomes spring 6 under the thrust of hot ammonia moves down and progressively covers in through hole 1, thus reduce the flow of hot ammonia gradually, prevent too much hot ammonia from entering into the muffler of refrigerator; When hot ammonia input pressure is less, shell ring 1 upwards resets under the active force of spring 6, thus the through hole 1 of shell ring 25 is opened wide, and increases the flow of hot ammonia.The shell ring 1 of this current-limiting apparatus is when moving down, and spring 6 can play buffer protection function, can limit again to the stroke that moves down of top cover 7 and shell ring 1; And shell ring 1 is when upper moving, through hole 3 52 can to Cheng Jinhang restriction that shell ring 1 is divided a word with a hyphen at the end of a line.
This current-limiting apparatus and the self-adaptative adjustment that can be realized by the interaction of shell ring 1, shell ring 25 and spring 6 hot ammonia flow, improve stability in use and the security of defrosting pipeline.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. the current-limiting apparatus of a refrigerator defrosting pipeline, described defrosting pipeline comprises defrosting pipe (1), it is characterized in that, described current-limiting apparatus comprises flange one (2), flange two (3), shell ring one (4), shell ring two (5) and spring (6), described flange one (2) is connected to the end of defrosting pipe (1), described flange two (3) is connected with flange one (2), the flange hole bore of described flange one (2) is greater than the flange hole bore of flange two (3), described shell ring one (4) and shell ring two (5) are round tube shape structure, the bottom of described shell ring two (5) is connected on the flange hole inwall of flange two (3), and the bottom wall of shell ring two (5) has several through holes one (51) distributed along shell ring two (5) circumference, described shell ring one (4) is built in defrosting pipe (1), and the lower slide of shell ring one (4) is set on shell ring two (5), when shell ring one (4) moves down, shell ring one (4) can hide on through hole one (51), the top of described shell ring one (4) is fixed with top cover (7), described top cover (7) has through hole two (71), the top of described spring (6) is resisted against on the bottom surface of top cover (7), the bottom of spring (6) is resisted against the top of shell ring two (5).
2. the current-limiting apparatus of refrigerator defrosting pipeline according to claim 1, it is characterized in that, the wall on described shell ring two (5) top offers several through holes three (52), described through hole three (52) is the strip through hole axially arranged along shell ring two (5), the wall at described shell ring one (4) middle part offers the through hole four (42) corresponding with through hole three (52) position, an alignment pin (10) is interspersed with in described through hole four (42), one end of described alignment pin (10) is connected mutually with shell ring one (4), the other end interts in through hole three (52), when shell ring one (4) moves up and down relative to shell ring two (5), alignment pin (10) can move up and down in through hole three (52).
3. the current-limiting apparatus of refrigerator defrosting pipeline according to claim 2, it is characterized in that, two ends on the length direction of described through hole three (52) are all made as semicircle arcuation, described alignment pin (10) is made as cylindrical pin, the width dimensions numerical value of described through hole three (52) and the diameter dimension numerical value of alignment pin (10) consistent.
4. the current-limiting apparatus of the refrigerator defrosting pipeline according to claim 1 or 2 or 3, it is characterized in that, described through hole one (51) is elongate holes, the length direction of described through hole one (51) and the axis of shell ring two (5) perpendicular.
5. the current-limiting apparatus of refrigerator defrosting pipeline according to claim 4, is characterized in that, the base of described through hole one (51) and the end face of flange two (3) flush.
6. the current-limiting apparatus of the refrigerator defrosting pipeline according to claim 1 or 2 or 3, it is characterized in that, described top cover (7) is circular plate-like shape structure, the outer peripheral face of described top cover (7) offers several locating holes (72), the top sidewall of described shell ring one (4) offers several and above-mentioned locating hole (72) position positioning through hole (41) one to one, described top cover (7) is connected on the inwall at shell ring one (4) top by removable securing member (9), described securing member (9) to intert in positioning through hole (41) and is connected on locating hole (72).
7. the current-limiting apparatus of refrigerator defrosting pipeline according to claim 6, is characterized in that, described through hole two (71) is up big and down small bellmouth.
8. the current-limiting apparatus of claim 1 or the refrigerator defrosting pipeline described in 2 or 3, is characterized in that, described spring (6) is lower large little volute spring.
9. the current-limiting apparatus of the refrigerator defrosting pipeline according to claim 1 or 2 or 3, it is characterized in that, described flange one (2) is convex flange, described flange two (3) is the female flange matched with flange one (2), the bottom surface of described flange one (2) has the projecting ring section (21) to lower convexity, the end face of described flange two (3) has recessed annular groove (31), is provided with annular gasket (8) between the bottom surface of described projecting ring section (21) and the bottom land of annular groove (31).
10. the current-limiting apparatus of refrigerator defrosting pipeline according to claim 9, it is characterized in that, the radial direction of described flange two (3) offers one for the sense channel (32) of Bonding pressure table, described sense channel (32) is connected with the flange hole of flange two (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520956693.1U CN205192004U (en) | 2015-11-26 | 2015-11-26 | Refrigerator is towards current limiting device of white pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520956693.1U CN205192004U (en) | 2015-11-26 | 2015-11-26 | Refrigerator is towards current limiting device of white pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205192004U true CN205192004U (en) | 2016-04-27 |
Family
ID=55784985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520956693.1U Withdrawn - After Issue CN205192004U (en) | 2015-11-26 | 2015-11-26 | Refrigerator is towards current limiting device of white pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205192004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299975A (en) * | 2015-11-26 | 2016-02-03 | 台州市中奥特种设备检测技术服务有限公司 | Flow limiting device of defrosting pipeline of refrigerator |
-
2015
- 2015-11-26 CN CN201520956693.1U patent/CN205192004U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299975A (en) * | 2015-11-26 | 2016-02-03 | 台州市中奥特种设备检测技术服务有限公司 | Flow limiting device of defrosting pipeline of refrigerator |
| CN105299975B (en) * | 2015-11-26 | 2018-03-06 | 台州市中奥特种设备检测技术服务有限公司 | A kind of current-limiting apparatus of refrigerator defrosting pipeline |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20180306 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20180306 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |