CN202709311U - Air conditioner system - Google Patents

Air conditioner system Download PDF

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Publication number
CN202709311U
CN202709311U CN 201220364409 CN201220364409U CN202709311U CN 202709311 U CN202709311 U CN 202709311U CN 201220364409 CN201220364409 CN 201220364409 CN 201220364409 U CN201220364409 U CN 201220364409U CN 202709311 U CN202709311 U CN 202709311U
Authority
CN
China
Prior art keywords
heat exchanger
compressor
air
defrosting
conditioner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN 201220364409
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Chinese (zh)
Inventor
段亮
孟琪林
熊军
陈绍林
张辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN 201220364409 priority Critical patent/CN202709311U/en
Application granted granted Critical
Publication of CN202709311U publication Critical patent/CN202709311U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an air conditioner system. The air conditioner system comprises an indoor heat exchanger which is arranged on a refrigerant circulation path, a throttling device, an outdoor heat exchanger, a four-way reversing valve, a compressor which is connected with the indoor heat exchanger and the outdoor heat exchanger through the four-way reversing valve, and a hydrothermal pipeline which is connected between the indoor heat exchanger and the outdoor heat exchanger, wherein a refrigerant enters the outdoor heat exchanger in a hydrothermal form through the hydrothermal pipeline during defrosting, so hydrothermal defrosting is realized. Compared with a hot gas defrosting mode in the prior art, the air conditioner system adopts a hydrothermal defrosting mode and has the advantages of non-stop defrosting, short defrosting time and high defrosting speed, and heat can be uninterruptedly supplied to a room in the defrosting process.

Description

Air-conditioner system
Technical field
The utility model relates to the air-conditioner field, relates in particular to air-conditioner system.
Background technology
At present, the Defrost mode that adopts of domestic heat pump air conditioner and water heater all is to utilize the delivery temperature of compressor to carry out the hot gas defrosting.Concrete defrost process is: enter defrosting mode-compressor to stop-cross valve commutation-compressor start-hot gas defrosting-compressor stops-the cross valve commutation-compressor start-end of spreading unfounded rumours-defrost.This defrost process has the following disadvantages:
1, a defrost periods needs start and stop compressor 2 times, and it is high to start energy consumption, and electrical network is had larger impact, and start and stop frequently significantly reduce the life-span of compressor;
2, a defrost periods cross valve commutates 2 times, and the slide block of inside easy to wear causes cross valve commutation failure rate to raise, the life-span of reduction cross valve;
3, the start and stop of cross valve commutation and compressor need to spend about 4 minutes, and whole defrost process need to spend about 12 minutes, need the cost longer time under the adverse circumstances;
4, indoorly during defrost do not heat, also need put a period of time cold wind after defrost finishes could normally heat, and has a strong impact on indoor comfort;
5, defrost only relies on compressor air-discharging to carry out the hot gas defrosting, and energy source is used for the highest the highest operate power that can only reach compressor of energy of defrosting in compressor work, causes defrost time length or defrost unclean under the adverse circumstances;
6, wall and external environment are carried out heat exchange during compressor operating, and distribute heat causes delivery temperature to descend to some extent, wastes energy.
At present, abroad some technology adopts the thermal storage defrosting mode.When normally heating, utilize regenerative apparatus to draw the also heat radiation of store compressed machine, again the heat in the regenerative apparatus is derived to be used for defrosting and heat supply during defrosting.Cross valve need not commutate during the defrosting of this Defrost mode, compressor do not quit work, and can partly solve the deficiency that above-mentioned domestic prior art exists.But this Defrost mode is found also Shortcomings part:
Cold-producing medium does not pass through throttling and evaporation when 1, defrosting, and does not have complete kind of refrigeration cycle, can cause that like this system's height pressure reduction is difficult to set up the compressor operating poor reliability;
2, flow through and to be wet-steam phase after the refrigerant mixed of the cold-producing medium of outdoor heat exchanger and the storage heater of flowing through, cause the compressor Wet Compression after entering compressor, seriously shorten the service life of compressor, also can cause the strong vibrations of off-premises station.
The utility model content
The utility model purpose is to provide a kind of air-conditioner system, to realize the quickly defrosting of outdoor heat exchanger.
For this reason, the utility model provides a kind of air-conditioner system, be included in the indoor heat exchanger, first throttle device, outdoor heat exchanger, the four-way change-over valve that arrange on the refrigerant circulation path, be connected the compressor that four-way change-over valve is connected with outdoor heat exchanger with indoor heat exchanger, and comprise: the hydrothermal solution pipeline, be connected between indoor heat exchanger and the outdoor heat exchanger, enter outdoor heat exchanger to realize hot liquid defrosting for refrigerant when defrosting with the hydrothermal solution form.
Further, above-mentioned hydrothermal solution pipeline is the bypass line of first throttle device, and the hydrothermal solution pipeline is provided with the first two-port valve.
Further, the pipeline at above-mentioned hydrothermal solution pipeline and first throttle device place is the same pipeline, and wherein, the first throttle device has the duty that makes refrigerant enter outdoor heat exchanger with the hydrothermal solution form when defrosting.
Further, above-mentioned air-conditioner system also comprises: the accumulation of heat pipeline, be connected in parallel with the suction line of air entry one side of compressor, be provided with successively the storage heater of the second throttling arrangement and absorption compressor heat energy on the accumulation of heat branch road, and first control valve, the control refrigerant is back to the air entry of compressor via accumulation of heat branch road or suction line.
Further, above-mentioned the first control valve is triple valve.
Further, above-mentioned the first control valve is replaced by the second two-port valve that is positioned at the accumulation of heat pipeline and the 3rd two-port valve that is positioned at suction line.
Further, above-mentioned compressor is single-stage compressor or double-stage compressor.
Further, above-mentioned first throttle device is electromagnetic expanding valve.
Compare with the hot gas defrosting mode of prior art, the utility model adopts a kind of new hot liquid defrosting mode, has the following advantages:
1, adopt hydrothermal solution defrost technology, heat is supplied with sufficient, and defrost is very rapid;
2, realize not shutting down defrost, the defrost time is short, and defrost process realizes the uninterrupted heat supply in room, and is large to the contribution of room comfortableness.
Except purpose described above, feature and advantage, other purpose, feature and the advantage that the utlity model has are described in further detail in connection with accompanying drawing.
Description of drawings
Consist of this specification a part, be used for further understanding accompanying drawing of the present utility model and show preferred embodiment of the present utility model, and be used for illustrating principle of the present utility model with specification.Among the figure:
Fig. 1 is the schematic diagram according to the air-conditioner system of the utility model the first embodiment;
Fig. 2 is the schematic diagram according to the air-conditioner system of the utility model the second embodiment; And
Fig. 3 is the schematic diagram according to the air-conditioner system of the utility model the 3rd embodiment.
Description of reference numerals
10 indoor heat exchangers, 20 electric expansion valves
30 indoor heat exchangers, 40 four-way change-over valves
50 compressors, 60 flash vessels
70 aeration valves, 80 second capillaries
100 accumulation of heat branch roads, 110 first capillaries
120 storage heaters, 200 suction line
300 hydrothermal solution pipelines, 310 first two-port valves
131 second two-port valves 132 the 3rd two-port valve
130 triple valves.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
The utility model provides a kind of Defrost method of air-conditioner system, and wherein, when outdoor heat exchanger defrosted, the refrigerant that indoor heat exchanger is flowed out entered outdoor heat exchanger to realize hot liquid defrosting in hydrothermal solution mode (i.e. not throttling ground).
Above-mentioned Defrost method advantage is as follows: 1, adopt hydrothermal solution defrost technology, heat is supplied with sufficient, and defrost is very rapid; 2, realize not shutting down defrost, the defrost time is short, and defrost process realizes the uninterrupted heat supply in room, and is large to the contribution of room comfortableness.
Preferably, make the refrigerant of outdoor heat exchanger outlet by behind the capillary-compensated, enter accumulation of heat in the storage heater, enter compressor after becoming at last low-pressure gas.So, enter compressor after the heat absorption of refrigerant process storage heater becomes superheated steam, compressor operating is more reliable during defrost again.Utilize simultaneously storage heater, comprehensive utilization compressor used heat, degree of power conservation is high.
The below is to being described in detail for the air-conditioner system of carrying out Defrost method of the present utility model.
Air-conditioner system of the present utility model is improved on existing air-conditioner system basis.Existing air-conditioner system is included in that the indoor heat exchanger 10, the electric expansion valve 20 that arrange on the refrigerant circulation path are connected with outdoor heat exchanger, four-way change-over valve 40 and are connected the compressor 50 that is connected by four-way change-over valve 40 with outdoor heat exchanger with indoor heat exchanger 10.Certainly miscellaneous part be can also comprise, for example when compressor 50 is double-stage compressor, flash vessel and aeration valve also comprised, as shown in Figure 2.These parts and uses thereof are known with the technical staff that installation is connected to air-conditioner system, no longer describe in detail at this.
Fig. 1 shows the schematic diagram according to the air-conditioner system of the utility model the first embodiment, as shown in Figure 1, on the basis of existing air-conditioner system, air-conditioner system of the present utility model also comprises: accumulation of heat branch road 100, be connected in parallel with the suction line 200 of air entry one side of compressor 50, be provided with successively throttling on the accumulation of heat branch road 100 with the first capillary 110 and absorb the storage heater 120 of compressor 50 heat energy; Hydrothermal solution pipeline 300, be connected between indoor heat exchanger 10 and the outdoor heat exchanger 30, be the bypass line of electromagnetic expanding valve 20, hydrothermal solution pipeline 300 is provided with the first two-port valve 310, is used for entering to not throttling of refrigerant outdoor heat exchanger 30 to realize hot liquid defrosting when defrosting; And triple valve 130, the control refrigerant is back to the air entry of compressor 50 via accumulation of heat branch road 100 or suction line 200.
When the needs defrost, the first two-port valve 310 is opened, and allows the refrigerant of Indoor Thermal flow to rapidly outdoor heat exchanger 30; Simultaneously, 120 heat absorptions enter compressor 50 to the low temperature refrigerant that outdoor heat exchanger 30 flows out again through storage heater, when having realized rapid defrost, have improved compressor efficiency, have promoted the reliability of compressor.
Air-conditioner system of the present utility model is improved on common air-conditioner system basis, and normal cooling and warming circulation does not have difference with usual used cooling and warming circulation.System of the present utility model has five kinds of working methods, is respectively: refrigeration mode, heating mode, heat supply defrosting mode, quickly defrosting pattern, storage heating pattern.The below illustrates respectively:
One, refrigeration mode: the first two-port valve 310 cuts out, and triple valve 130 points to left position, makes refrigerant be back to the air entry of compressor 50 through suction line 200, is as good as with conventional refrigeration mode;
Two, heating mode: the first two-port valve 310 cuts out, and triple valve 130 points to left position, makes refrigerant be back to the air entry of compressor 50 through suction line 200, and storage heater carries out accumulation of heat when normally heating, be as good as with conventional heating mode;
Three, heat supply defrosting mode: cross valve does not commutate, and the first two-port valve 310 is opened, and triple valve 130 points to right position, makes low pressure refrigerant flow to accumulation of heat branch road 100, absorbs heat in storage heater, then enters compressor.The heat that stores in the storage heater is carried to indoor set heat supply or off-premises station defrosting by compressor.Carry out indoor heating when realizing defrosting.The refrigerant state variation: high-temperature exhaust air becomes middle geothermal liquid by indoor heat release, then passes into fast the quick defrost of outdoor heat exchanger.The low temperature liquid refrigerant of outdoor heat exchanger outlet flows to accumulation of heat branch road 100 through triple valve 130, by capillary-compensated, enters accumulation of heat in the storage heater, becomes low-pressure gas and enters compressor, finishes circulation.
Four, quickly defrosting pattern: indoorly do not carry out heat supply.Heat, storage heater heat and compressor body heat that compressor work produces are all for the off-premises station defrost, and defrost is very quick.Indoor fan does not turn round, and the heat that compressor is discharged all enters outdoor heat exchanger, finishes defrost.
Five, storage heating pattern: when air-conditioner moves under the higher environment of outdoor temperature such as outdoor temperature between 7~20 ℃, during at this moment normal heating operation, can suitably after a period of time triple valve be pointed to right at heating operation, refrigerant flows to accumulation of heat branch road 100, be carried to the heat in the storage heater indoor, thereby thoroughly realize the comprehensive utilization of compressor used heat, promoted the energy-saving effect of model machine.
Fig. 2 is the schematic diagram according to the air-conditioner system of the utility model the second embodiment.As shown in Figure 2, present embodiment and the first embodiment difference are, compressor 50 is double-stage compressor, is provided with supporting with it flash vessel 60, aeration valve 70, throttling with the second capillary 80 and corresponding connecting line for this reason, thinks that double-stage compressor carries out tonifying Qi.
Fig. 3 is the schematic diagram according to the air-conditioner system of the utility model the 3rd embodiment.As shown in Figure 3, be with the first embodiment difference that hydrothermal solution pipeline 300 is the same pipeline with the pipeline at electromagnetic expanding valve 20 places, wherein, electromagnetic expanding valve 20 has the duty that makes not throttling of refrigerant ground enter outdoor heat exchanger 30 with the hydrothermal solution form.When electromagnetic expanding valve is opened to maximum, substantially do not have restriction effect, be used for when defrost, the high-temperature liquid state refrigerant being delivered to rapidly outdoor heat exchanger and carry out defrosting.
In addition, the triple valve 130 of the first embodiment is replaced by the 3rd two-port valve 132 that is positioned at the second two-port valve 131 on the accumulation of heat pipeline 100 and be positioned on the suction line 200.
When the needs defrost, electric expansion valve is opened to maximum, allows the refrigerant of Indoor Thermal flow to rapidly outdoor heat exchanger; Simultaneously, the 3rd two-port valve 132 cuts out, and the second two-port valve 131 is opened, the low temperature refrigerant that outdoor heat exchanger flows out enters compressor through the second two-port valve 131 again to the storage heater heat absorption, when having realized rapid defrost, improve compressor efficiency, promoted the reliability of compressor.
In an embodiment, electromagnetic expanding valve 20 can replace by having other throttling arrangements that enter the duty of outdoor heat exchanger 30 with making not throttling of refrigerant.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (8)

1. air-conditioner system, be included in the indoor heat exchanger (10), first throttle device, outdoor heat exchanger (30), the four-way change-over valve (40) that arrange on the refrigerant circulation path, be connected 30 with described indoor heat exchanger (10) with outdoor heat exchanger) compressor (50) that is connected by four-way change-over valve (40), it is characterized in that, also comprise:
Hydrothermal solution pipeline (300) is connected between described indoor heat exchanger (10) and the described outdoor heat exchanger (30), enters described outdoor heat exchanger (30) to realize hot liquid defrosting for refrigerant when defrosting with the hydrothermal solution form.
2. air-conditioner system according to claim 1 is characterized in that, described hydrothermal solution pipeline (300) is the bypass line of described first throttle device, and described hydrothermal solution pipeline (300) is provided with the first two-port valve (310).
3. air-conditioner system according to claim 1, it is characterized in that, described hydrothermal solution pipeline (300) is the same pipeline with the pipeline at described first throttle device place, wherein, described first throttle device has the duty that makes refrigerant enter described outdoor heat exchanger (30) with the hydrothermal solution form when defrosting.
4. according to claim 1 to 3 each described air-conditioner systems, it is characterized in that, also comprise:
Accumulation of heat pipeline (100) is connected in parallel with the suction line (200) of air entry one side of described compressor, and be provided with successively the second throttling arrangement on the described accumulation of heat branch road (100) and absorb the storage heater (120) of described compressor (50) heat energy, and
The first control valve (130), the control refrigerant is back to the air entry of described compressor (50) via described accumulation of heat branch road (100) or suction line (200).
5. air-conditioner system according to claim 4 is characterized in that, described the first control valve (130) is triple valve.
6. air-conditioner system according to claim 4 is characterized in that, described the first control valve (130) is replaced by the second two-port valve (131) that is positioned at described accumulation of heat pipeline and the 3rd two-port valve (132) that is positioned at described suction line (200).
7. air-conditioner system according to claim 1 is characterized in that, described compressor (50) is single-stage compressor or double-stage compressor.
8. air-conditioner system according to claim 1 is characterized in that, described first throttle device is electromagnetic expanding valve.
CN 201220364409 2012-07-25 2012-07-25 Air conditioner system Withdrawn - After Issue CN202709311U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220364409 CN202709311U (en) 2012-07-25 2012-07-25 Air conditioner system

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Application Number Priority Date Filing Date Title
CN 201220364409 CN202709311U (en) 2012-07-25 2012-07-25 Air conditioner system

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Publication Number Publication Date
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103344068A (en) * 2013-07-31 2013-10-09 哈尔滨工业大学 Energy-saving defrosting air source heat pump system
CN103574758A (en) * 2012-07-25 2014-02-12 珠海格力电器股份有限公司 Ai conditioner system and defrosting method thereof
CN103720245A (en) * 2013-12-19 2014-04-16 大连三洋冷链有限公司 Local-energy-storage-type hot liquefied cream display cabinet system
CN104236155A (en) * 2013-06-20 2014-12-24 青岛海尔空调电子有限公司 Air conditioning system with coolant supercooling, defrosting and heating functions and control method thereof
CN104251580A (en) * 2013-06-26 2014-12-31 珠海格力电器股份有限公司 Air conditioning system
CN104422193A (en) * 2013-09-05 2015-03-18 珠海格力电器股份有限公司 Refrigeration and heating liquid accumulation methods, refrigeration and heating frost prevention methods and air conditioning system
CN104456775A (en) * 2013-09-23 2015-03-25 广东美的制冷设备有限公司 Method for improving indoor heating capacity of air conditioner and air conditioner
CN104534732A (en) * 2014-12-02 2015-04-22 广东美的制冷设备有限公司 Air conditioner
CN104567076A (en) * 2013-10-28 2015-04-29 珠海格力电器股份有限公司 Air conditioning cycle device and control method thereof
CN104634008A (en) * 2013-11-14 2015-05-20 珠海格力电器股份有限公司 Control method for air conditioner
CN104976715A (en) * 2015-06-02 2015-10-14 珠海格力电器股份有限公司 Air-conditioning system and control method thereof
WO2017096752A1 (en) * 2015-12-11 2017-06-15 珠海格力电器股份有限公司 Air replenishment and enthalpy increase control method and apparatus for two-stage compressor and equipment
CN106885405A (en) * 2017-04-24 2017-06-23 深圳创维空调科技有限公司 A kind of air-conditioner system and its Defrost method
CN109668247A (en) * 2018-12-26 2019-04-23 宁波奥克斯电气股份有限公司 A kind of air conditioner and defrosting control method
CN110595094A (en) * 2019-09-30 2019-12-20 海信(广东)空调有限公司 Air conditioning system
CN111503824A (en) * 2020-04-29 2020-08-07 广东美的制冷设备有限公司 Control method of air conditioning system and air conditioning system

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103574758B (en) * 2012-07-25 2016-04-20 珠海格力电器股份有限公司 Air-conditioner system and Defrost method thereof
CN103574758A (en) * 2012-07-25 2014-02-12 珠海格力电器股份有限公司 Ai conditioner system and defrosting method thereof
CN104236155B (en) * 2013-06-20 2016-12-28 青岛海尔空调电子有限公司 Have that coolant is supercool, the defrosting air conditioning system of heat-production functions and control method thereof
CN104236155A (en) * 2013-06-20 2014-12-24 青岛海尔空调电子有限公司 Air conditioning system with coolant supercooling, defrosting and heating functions and control method thereof
CN104251580A (en) * 2013-06-26 2014-12-31 珠海格力电器股份有限公司 Air conditioning system
CN103344068A (en) * 2013-07-31 2013-10-09 哈尔滨工业大学 Energy-saving defrosting air source heat pump system
CN104422193A (en) * 2013-09-05 2015-03-18 珠海格力电器股份有限公司 Refrigeration and heating liquid accumulation methods, refrigeration and heating frost prevention methods and air conditioning system
CN104422193B (en) * 2013-09-05 2016-08-31 珠海格力电器股份有限公司 Freeze, heat storage liquid method and refrigeration, heat frost prevention method and air-conditioning system
CN104456775A (en) * 2013-09-23 2015-03-25 广东美的制冷设备有限公司 Method for improving indoor heating capacity of air conditioner and air conditioner
CN104567076A (en) * 2013-10-28 2015-04-29 珠海格力电器股份有限公司 Air conditioning cycle device and control method thereof
CN104634008B (en) * 2013-11-14 2017-06-06 珠海格力电器股份有限公司 The control method of air-conditioning device
CN104634008A (en) * 2013-11-14 2015-05-20 珠海格力电器股份有限公司 Control method for air conditioner
CN103720245A (en) * 2013-12-19 2014-04-16 大连三洋冷链有限公司 Local-energy-storage-type hot liquefied cream display cabinet system
CN104534732A (en) * 2014-12-02 2015-04-22 广东美的制冷设备有限公司 Air conditioner
CN104976715A (en) * 2015-06-02 2015-10-14 珠海格力电器股份有限公司 Air-conditioning system and control method thereof
CN104976715B (en) * 2015-06-02 2017-12-22 珠海格力电器股份有限公司 Air-conditioning system and its control method
US10480835B2 (en) 2015-12-11 2019-11-19 Gree Electric Appliances, Inc. Of Zhuhai Gas-replenishing and enthalpy-increasing control method, device and apparatus for two-stage compressor
WO2017096752A1 (en) * 2015-12-11 2017-06-15 珠海格力电器股份有限公司 Air replenishment and enthalpy increase control method and apparatus for two-stage compressor and equipment
CN106885405A (en) * 2017-04-24 2017-06-23 深圳创维空调科技有限公司 A kind of air-conditioner system and its Defrost method
CN106885405B (en) * 2017-04-24 2019-09-10 深圳创维空调科技有限公司 A kind of air-conditioner system and its Defrost method
CN109668247A (en) * 2018-12-26 2019-04-23 宁波奥克斯电气股份有限公司 A kind of air conditioner and defrosting control method
CN110595094A (en) * 2019-09-30 2019-12-20 海信(广东)空调有限公司 Air conditioning system
CN110595094B (en) * 2019-09-30 2021-08-24 海信(广东)空调有限公司 Air conditioning system
CN111503824A (en) * 2020-04-29 2020-08-07 广东美的制冷设备有限公司 Control method of air conditioning system and air conditioning system

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AV01 Patent right actively abandoned

Granted publication date: 20130130

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C25 Abandonment of patent right or utility model to avoid double patenting