CN203566105U - Four-way valve welding tool - Google Patents
Four-way valve welding tool Download PDFInfo
- Publication number
- CN203566105U CN203566105U CN201320693792.6U CN201320693792U CN203566105U CN 203566105 U CN203566105 U CN 203566105U CN 201320693792 U CN201320693792 U CN 201320693792U CN 203566105 U CN203566105 U CN 203566105U
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- China
- Prior art keywords
- water
- cross
- water tank
- welding frock
- valve
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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.)
- Expired - Lifetime
Links
- 238000003466 welding Methods 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 118
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 112
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 54
- 239000003507 refrigerant Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 24
- 238000001816 cooling Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- 239000007921 spray Substances 0.000 abstract description 3
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 4
- 238000005057 refrigeration Methods 0.000 description 7
- 238000007664 blowing Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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- Valve Housings (AREA)
Abstract
The utility model discloses a cross valve welding frock, include: the water tank, the water pump, the spray pipe communicated with water pump; further comprising: the heat exchange device is accommodated in the water tank and comprises a refrigerant pipe for guiding a refrigerant and a nitrogen pipe for guiding nitrogen; an air conditioner outdoor unit communicated with the refrigerant pipe; and the electric control device is used for controlling the air conditioner outdoor unit. The utility model provides a cross valve welding frock, heat transfer device has been held in the water tank, the outer machine of air conditioner and heat transfer device's refrigerant pipe forms in refrigerating system, the refrigerant in the refrigerant pipe absorbs the heat of water tank normal water, cool down the cooling to water, water after the cooling not only can directly spray dispels the heat on the cross valve surface, and the cooling water cools down to normal atmospheric temperature nitrogen gas in letting in the nitrogen gas pipe, make nitrogen gas after the cooling let in the cross valve, nitrogen gas temperature rise is little behind the welding department, heat influence to the slider is less, non-deformable, thereby the cooling effect of cross valve in welding process has effectively been improved.
Description
Technical field
The utility model relates to air-conditioning part processing and manufacturing technical field, particularly a kind of cross-valve welding frock.
Background technology
Cross valve is the strength member in air-conditioner, the slide block conducting various flows by cross valve inside to pipeline realize the change of refrigerant flow direction in air-conditioning system, thereby switch refrigeration and the heating mode of air-conditioner.The slide block of cross valve inside is mainly made by nylon material, the fusing point of nylon material is generally 120 ℃ of left and right, carrying out in cross valve processing and manufacturing process, for preventing that the copper pipe of cross valve from producing welding oxidation, pass into low-pressure nitrogen, but low-pressure nitrogen raises in cross valve inside in temperature after weld, while flowing through slide block, after slide block contact high temperature nitrogen, easily deform, cause cross valve to coordinate imprecision, affected the performance of air-conditioner.
Existing cross-valve welding frock adopts the mode of water-cooled to lower the temperature to slide block conventionally, in the process of cross valve welding, in cross valve, pass into low-pressure nitrogen on the one hand, prevent cross valve copper pipe welding oxidation, on the one hand in the outside spray water of cross valve, to the cross valve processing of lowering the temperature.But because the temperature of nitrogen constantly raises, the water being sprayed on cross valve can not be in time by the heat absorption of cross valve, being generally used for cooling water is the water recycling, water is heated on the contrary, cooling effect is poor, can not effectively weaken the suffered heat affecting of slide block of cross valve, easily deform, and then affect the performance of air-conditioner.
In sum, how solving the poor problem of cross valve cooling effect in welding process, is those skilled in the art's problem demanding prompt solutions.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of cross-valve welding frock, to improve the cooling effect of cross valve in welding process, reduces the suffered temperatures involved of the inner slide block of cross valve, the possibility that Reducing distortion occurs.
For achieving the above object, the utility model provides following technical scheme:
A kind of cross-valve welding frock, comprising: water tank, the water pump being communicated with described water tank, the sparge pipe being communicated with described water pump; Also comprise:
Be contained in the heat-exchanger rig in described water tank, described heat-exchanger rig comprises for the refrigerant pipe of water conservancy diversion cold-producing medium with for the nitrogen tube of water conservancy diversion nitrogen;
The outer machine of air-conditioner being communicated with described refrigerant pipe;
For controlling the electric control gear of the outer machine of air-conditioner.
Preferably, in above-mentioned cross-valve welding frock, described heat-exchanger rig also comprises shell, and described refrigerant pipe and described nitrogen tube all run through and be fixed in described shell.
Preferably, in above-mentioned cross-valve welding frock, described refrigerant pipe and described nitrogen tube be the calandria structure for being comprised of end to end multiple U-shaped pipes all, and described refrigerant pipe and described nitrogen tube are set in parallel in described shell.
Preferably, in above-mentioned cross-valve welding frock, described shell is aluminum foil material; Described refrigerant pipe and described nitrogen tube are copper pipe.
Preferably, in above-mentioned cross-valve welding frock, also comprise bracing frame, described water tank and described outdoor machine of air-conditioner are installed on support frame as described above.
Preferably, in above-mentioned cross-valve welding frock, the below of support frame as described above is provided with road wheel.
Preferably, in above-mentioned cross-valve welding frock, described road wheel is the yielding rubber wheel with service brake.
Preferably, in above-mentioned cross-valve welding frock, described water pump has a water inlet and two delivery ports, and described water inlet and described delivery port are for the water of the described water tank that circulates, and described in another, delivery port is communicated with described sparge pipe.
Preferably, in above-mentioned cross-valve welding frock, also comprise the inlet valve and the flowing water Valve that are arranged on described water tank outside.
Preferably, in above-mentioned cross-valve welding frock, described electric control gear is arranged on described water tank outside and is contained in compartment.
Compared with prior art, the beneficial effects of the utility model are:
The cross-valve welding frock that the utility model provides, in water tank, be equipped with heat-exchanger rig, the refrigerant pipe of the outer machine of air-conditioner and heat-exchanger rig is formed at refrigeration system, by electric control gear, regulate the cryogenic temperature of refrigeration system, cold-producing medium in refrigerant pipe absorbs the heat of Water in Water Tanks, water is carried out to cooling down, cooled water not only can directly enter sparge pipe by water pump, being sprayed at cross valve surface dispels the heat, and cooling water is lowered the temperature to the normal temperature nitrogen passing in nitrogen tube, nitrogen after cooling is passed in cross valve, nitrogen temperature rise after weld is little, little more a lot of than prior art to the heat affecting of slide block, to sum up, cross-valve welding frock of the present utility model has effectively improved the cooling effect of cross valve in welding process, weakened the suffered heat affecting of slide block, not yielding.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or scheme of the prior art, to accompanying drawing that describe required use in embodiment or prior art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those skilled in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of cross-valve welding frock that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the top view of Fig. 1;
The structural representation of the heat-exchanger rig of a kind of cross-valve welding frock that Fig. 3 provides for the utility model embodiment.
In above-mentioned Fig. 1-Fig. 3, water tank 1, electric control gear 2, bracing frame 3, the outer machine 4 of air-conditioner, road wheel 5, flowing water Valve 6, inlet valve 7, heat-exchanger rig 8, refrigerant pipe 81, nitrogen tube 82, shell 83, water pump 9.
The specific embodiment
The utility model provides a kind of cross-valve welding frock, has improved the cooling effect of cross valve in welding process, has reduced the suffered temperatures involved of the inner slide block of cross valve, is difficult for deforming.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment of the present utility model, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
Please refer to Fig. 1-Fig. 3, the structural representation of a kind of cross-valve welding frock that Fig. 1 provides for the utility model embodiment; Fig. 2 is the top view of Fig. 1; The structural representation of the heat-exchanger rig of a kind of cross-valve welding frock that Fig. 3 provides for the utility model embodiment.
The utility model embodiment provides a kind of cross-valve welding frock, comprises water tank 1, water pump 9, sparge pipe, heat-exchanger rig 8, the outer machine 4 of air-conditioner and electric control gear 2; Wherein, filled with water in water tank 1, water pump 9 is communicated with water tank 1, and water pump 9 is drawn into the water in water tank 1 in water pump 9, is sprayed at the surface of the cross valve welding by being connected to sparge pipe on water pump 9, to cross valve, carries out cooling; Heat-exchanger rig 8 is contained in water tank 1, be immersed in water, heat-exchanger rig 8 comprises refrigerant pipe 81 and nitrogen tube 82, in refrigerant pipe 81 for passing into cold-producing medium, in nitrogen tube 82, for passing into normal temperature low-pressure nitrogen, refrigerant pipe 81 and nitrogen tube 82 are all immersed in water; The outer machine 4 of air-conditioner is communicated with the refrigerant pipe 81 of heat-exchanger rig 8, form refrigeration system, heat-exchanger rig 8 is equivalent to the evaporimeter in air-conditioner, cold-producing medium carries out evaporation endothermic in refrigerant pipe 81, the heat that absorbs ambient water, carries out cooling down to the water in water tank 1, and outer 4, the machine of air-conditioner is the outer machine of air-conditioner generally using on market, be equipment well-known to those skilled in the art, do not repeat them here; Electric control gear 2 is the electric control gear in the air-conditioner generally using on market, for controlling the outer machine 4 of air-conditioner, can realize the functions such as the adjusting of detection, switching on and shutting down, cryogenic temperature of environment temperature and remote control control, belongs to ripe technology, does not repeat them here.
The operation principle of above-mentioned cross-valve welding frock is: in water tank 1, be full of water, by electric control gear 2, open the outer machine 4 of air-conditioner, set cryogenic temperature, the outer machine 4 of air-conditioner is started working, form refrigeration system with the refrigerant pipe 81 of heat-exchanger rig 8, cold-producing medium circulates in refrigeration system, during through refrigerant pipe 81, carry out evaporation endothermic, absorb the heat of the water in water tank 1, water in water tank 1 is carried out to cooling down, the cooling water that before obtaining, temperature has set, the Temperature Setting of general cooling water is within the scope of 16～30 ℃, nitrogen tube 82 is immersed in cooling water, normal temperature low-pressure nitrogen is passed in nitrogen tube 82, cooling water carries out cooling down to the normal temperature nitrogen in nitrogen tube 82, obtain low temperature nitrogen, final low temperature nitrogen is discharged from nitrogen tube 82, by flexible pipe, enter in cross valve, cross valve is carried out to welding protection, prevent welding oxidation, because nitrogen temperature is lower, even temperature raises after contacting with welding position, the final temperature of nitrogen can be too not high yet, can not produce larger heat affecting to the slide block of cross valve inside, slide block is not easy distortion, meanwhile, cooling water is by water pump 9, through sparge pipe, be sprayed at cross valve surface, further cooling to cross valve, due to the temperature cryogenic temperature in setting always of cooling water, so cooling water can significantly not raise because having absorbed the heat of cross valve, therefore, is conducive to follow-up lasting cooling, can find out, the cross-valve welding frock that the utility model provides has effectively improved the cooling effect of cross valve in welding process, weakened the nitrogen heat affecting that the inner slide block of cross valve is subject to, make slide block not yielding, thereby guaranteed the quality of fit of cross valve, be applied in air-conditioner, guaranteed the performance of air-conditioner.
The present embodiment heat exchanging device 8 is optimized; heat-exchanger rig 8 also comprises shell 83; shell 83 adopts flat tetragonal body structure; refrigerant pipe 81 and nitrogen tube 82 run through and are fixed in shell 83; the object that shell 83 is set is for refrigerant pipe 81 and nitrogen tube 82 are integrated; be easily installed in water tank 1, and by shell 83 is set, can protect refrigerant pipe 81 and nitrogen tube 82.Certainly, shell 83 can also be set, directly refrigerant pipe 81 and nitrogen tube 82 be immersed in the cooling water of water tank 1, not affect refrigeration and heat exchange.
As optimization, refrigerant pipe 81 and nitrogen tube 82 in the present embodiment all adopt calandria structure, as shown in figures 1 and 3, be all calandria structures for being formed by end to end multiple U-shaped pipes of refrigerant pipe 81 and nitrogen tube 82, totally two row's combs, refrigerant pipe 81 and nitrogen tube 82 are arranged in shell 83, as can be seen from Figure 3 abreast, solid arrow is the flow direction of cold-producing medium in refrigerant pipe 81, and dotted arrow is the flow direction of nitrogen in nitrogen tube 82.Adopting calandria structure is the length in order to increase refrigerant pipe 81 and nitrogen tube 82, increases the heat exchange area of the tube wall of cooling water and refrigerant pipe 81 and nitrogen tube 82, accelerates cooling velocity, improves cooling effect.Certainly; refrigerant pipe 81 and nitrogen tube 82 can also adopt other structure; such as spiral disk-like structure etc., as long as can realize, the water in water tank 1 to be carried out cooling and the nitrogen in nitrogen tube 82 is lowered the temperature, other structure also belongs to protection domain of the present utility model.
In order to improve the effect of heat exchange, refrigerant pipe 81 in the present embodiment and nitrogen tube 82 adopt copper pipe and shell 83 adopts aluminum foil material, as long as the good metal material of heat-transfer effect, all can apply in the present embodiment, such as all adopting aluminum material etc., at this, be not specifically limited.
Further, in the present embodiment, cross-valve welding frock also comprises bracing frame 3, bracing frame 3 is assembled by the shaped steel welding of commonly using, material selection is convenient, simple in structure, is generally cube frame structure, as long as can play a supporting role, the utility model does not limit the concrete structure of bracing frame 3.The outer machine 4 of water tank 1 and air-conditioner is arranged on bracing frame 3, and preferably, water tank 1 is arranged on the top of bracing frame 3, and the outer machine 4 of air-conditioner is arranged in the framework of bracing frame 3.Certainly, cross-valve welding frock also can not arrange bracing frame 3, and water tank 1 and the outer machine 4 of air-conditioner are directly placed on workbench or ground, does not affect normal work.
In order to facilitate mobile cross-valve welding frock, in the present embodiment, road wheel 5 is set below bracing frame 3, the quantity of road wheel 5 is traditionally arranged to be at least three, to keep the stability of bracing frame 3.After being provided with road wheel 5, just can easily cross-valve welding frock being moved to job site and weld, or move to water receiving place, the water in water tank 1 is filled or changed, improve the convenience of the movement of cross-valve welding frock.
As optimization; road wheel 5 in the present embodiment is for having the yielding rubber wheel of service brake; by service brake, further improved the mobile handling of cross valve welding machine work; and adopt yielding rubber wheel can make cross-valve welding frock in movement, be unlikely to occur larger vibrations; when reducing noise, protected each part not damaged by vibrations.
Water pump 9 is optimized, water pump 9 in the present embodiment adopts a water pump of fetching water that enters scene 2, there are a water inlet and two delivery ports, wherein, water inlet and delivery port are for the cooling water of cyclic water tank 1, object is that water in order to make each position in water tank 1 fully carries out exchange heat with heat-exchanger rig 8, raising cooling effect; Cooling water enters water pump 9 from water inlet, by a delivery port, discharged, promote cooling water and carry out flow circuit, another delivery port is communicated with sparge pipe, for the cooling water of water tank 1 is smoked and is sprayed, when this delivery port does not draw water sprinkling, can be used as equally the delivery port of flow circuit cooling water.A delivery port for recirculated cooling water is communicated with a blowing drainpipe 10, by blowing drainpipe 10, promotes flow of cooling water, and certainly, blowing drainpipe 10 can also replace by other tubing, at this, is not specifically limited.Except adopting one to enter the water pump of fetching water of scene 2, water pump 9 can also adopt the structure of one-in-and-one-out, and water inlet is used for drawing water, and delivery port is used for spraying cooling water, be not provided for circulating the delivery port of cooling water, only reduced the uniformity of cooling water temperature in water tank 1.
In order to facilitate injection and the discharge of the cooling water in water tank 1, the present embodiment has inlet valve 7 and flowing water Valve 6 in the outer setting of water tank 1, inlet valve 7 is positioned at the top of water tank 1, flowing water Valve 6 is positioned at the bottom of water tank 1, more preferably, inlet valve 7 and flowing water Valve 6 adopt stainless valve, or Plastic valve etc.
Because electric control gear 2 relates to forceful electric power, in order further to guarantee safety, the present embodiment has compartment in the outer setting of electric control gear 2, to prevent that water is splashed in electric control gear 2, electric control gear 2 is arranged on the outside of water tank 1, certainly, also can be arranged on bracing frame 3.
Further, water tank 1 adopts insulation material, thereby makes the cooling water in water tank 1 continue to keep low temperature, reduces energy resource consumption.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a cross-valve welding frock, comprising: water tank (1), the water pump (9) being communicated with described water tank (1), the sparge pipe being communicated with described water pump (9); It is characterized in that, also comprise:
Be contained in the heat-exchanger rig (8) in described water tank (1), described heat-exchanger rig (8) comprises for the refrigerant pipe (81) of water conservancy diversion cold-producing medium with for the nitrogen tube (82) of water conservancy diversion nitrogen;
The outer machine (4) of air-conditioner being communicated with described refrigerant pipe (81);
Be used for controlling the electric control gear (2) of the outer machine (4) of described air-conditioner.
2. cross-valve welding frock according to claim 1, is characterized in that, described heat-exchanger rig (8) also comprises shell (83), and described refrigerant pipe (81) and described nitrogen tube (82) all run through and be fixed in described shell (83).
3. cross-valve welding frock according to claim 2, it is characterized in that, described refrigerant pipe (81) and described nitrogen tube (82) be the calandria structure for being comprised of end to end multiple U-shaped pipes all, and described refrigerant pipe (81) and described nitrogen tube (82) are set in parallel in described shell (83).
4. cross-valve welding frock according to claim 2, is characterized in that, described shell (83) is aluminum foil material; Described refrigerant pipe (81) and described nitrogen tube (82) are copper pipe.
5. cross-valve welding frock according to claim 1, is characterized in that, also comprises bracing frame (3), and the outer machine (4) of described water tank (1) and described air-conditioner is installed on support frame as described above (3).
6. cross-valve welding frock according to claim 5, is characterized in that, the below of support frame as described above (3) is provided with road wheel (5).
7. cross-valve welding frock according to claim 6, is characterized in that, described road wheel (5) is for having the yielding rubber wheel of service brake.
8. cross-valve welding frock according to claim 1, it is characterized in that, described water pump (9) has a water inlet and two delivery ports, described water inlet and described delivery port be used for the circulating water of described water tank (1), and described in another, delivery port is communicated with described sparge pipe.
9. cross-valve welding frock according to claim 1, is characterized in that, also comprises and is arranged on described water tank (1) outside inlet valve (7) and flowing water Valve (6).
10. cross-valve welding frock according to claim 1, is characterized in that, described electric control gear (2) is arranged on described water tank (1) outside and is contained in compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320693792.6U CN203566105U (en) | 2013-11-04 | 2013-11-04 | Four-way valve welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320693792.6U CN203566105U (en) | 2013-11-04 | 2013-11-04 | Four-way valve welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203566105U true CN203566105U (en) | 2014-04-30 |
Family
ID=50533863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320693792.6U Expired - Lifetime CN203566105U (en) | 2013-11-04 | 2013-11-04 | Four-way valve welding tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN203566105U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526110A (en) * | 2014-12-26 | 2015-04-22 | 王火生 | Special automatic three-dimensional profiling carbon-dioxide-shielded welding machine unit for welded ball valve |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2013
- 2013-11-04 CN CN201320693792.6U patent/CN203566105U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526110A (en) * | 2014-12-26 | 2015-04-22 | 王火生 | Special automatic three-dimensional profiling carbon-dioxide-shielded welding machine unit for welded ball valve |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |