CN202973362U - Air exhaust efficient two-stage heat recovery fresh air handling unit - Google Patents
Air exhaust efficient two-stage heat recovery fresh air handling unit Download PDFInfo
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- CN202973362U CN202973362U CN2012206886258U CN201220688625U CN202973362U CN 202973362 U CN202973362 U CN 202973362U CN 2012206886258 U CN2012206886258 U CN 2012206886258U CN 201220688625 U CN201220688625 U CN 201220688625U CN 202973362 U CN202973362 U CN 202973362U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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Abstract
The utility model discloses an air exhaust efficient two-stage heat recovery fresh air handling unit, and belongs to refrigeration technique. An existing two-stage heat recovery fresh air handling unit is high in self energy consumption, and cannot fully use air exhaust energy. The air exhaust efficient two-stage heat recovery fresh air handling unit comprises a heat recovery unit and a direct expansion type cooling and dehumidification system, the air return channel and fresh air channel of the heat recovery unit are provided with filters, a plate heat exchanger is installed on the air outlet side of the filters, and the air outlet side of the plate heat exchanger is divided into an air exhaust processing air outlet side and a fresh air processing air outlet side. The first heat exchanger of the direct expansion type cooling and dehumidification system is installed on the air exhaust processing air outlet side, a second heat exchanger is installed on the fresh air processing air outlet side, and a by-pass fresh air valve is arranged on the air exhaust processing air outlet side. The air exhaust efficient two-stage heat recovery fresh air handling unit uses the plate heat exchanger to fully recover the cold quantity (or heat quantity) to carry out precooling (or heating ) on fresh air, and improves the energy efficiency ratio of a unit. The by-pass fresh air valve is adopted to regulate an air exhaust rate to guarantee heat exchanging performance. The air exhaust efficient two-stage heat recovery fresh air handling unit is simple in structure, reduces operating load of the unit, and improves the economical efficiency of an air conditioning system.
Description
Technical field
The utility model belongs to refrigeration technology field, specifically the efficient twin-stage heat recovery fresh air of a kind of air draft unit.
Background technology
Under the background of nowadays advocating low-carbon economy, energy-saving and environmental protection become the theme of sustainable development.The novel wind energy consumption in air-conditioning system, accounts for larger proportion at present.According to relevant personnel's statistics, new wind load generally accounts for 20%～30% of total load, and is even more.For guaranteeing indoor good air quality, can not reduce the novel wind energy consumption to cut down resh air requirement.Therefore take the method for recuperation of heat to become the Main Means that reduces the novel wind energy consumption to air draft.Adopt the efficient twin-stage heat reclamation device of new air draft, just can reduce and process 70%～80% of the required energy consumption of new wind, save air conditioner load 10%～20%, thereby save initial cost and the operating cost of air-conditioning equipment.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome the defective that the existing energy consumption of the new blower fan group of twin-stage own is high, the air draft energy is failed to take full advantage of, the efficient twin-stage heat recovery fresh air of a kind of air draft unit is provided, is intended to the technological synthesis utilizations such as heat recovery energy-saving, exhaust air energy recovery.
For achieving the above object, the efficient twin-stage heat recovery fresh air of air draft of the present utility model unit comprises heat reclamation device, direct-expansion type cooling and dehumidifying system, it is characterized in that:
described heat reclamation device comprises plate type heat exchanger, filter, be in the air returning valve of return air channel, be in the new air-valve of new wind passage, air exhausting device, air-supply arrangement, described return air channel, new wind passage is installed described filter, described plate type heat exchanger is arranged on the air side of described filter, the air side of described plate type heat exchanger is isolated into the Air exhaust air side, new wind is processed the air side, form the Air exhaust functional section between described Air exhaust air side and air exhausting device, described new wind is processed and is formed new wind processing capacity section between air side and air-supply arrangement,
Described direct-expansion type cooling and dehumidifying system comprises compressor, cross valve, gas-liquid separator, reservoir, the first heat exchanger, the first expansion valve, the first device for drying and filtering, the first check valve, reaches the second heat exchanger, the second expansion valve, the second device for drying and filtering, the second check valve;
The high-pressure outlet of described compressor is connected with the entrance point of cross valve, described cross valve first the outlet successively with the first heat exchanger, the first check valve, reservoir, the second device for drying and filtering, the second expansion valve, the second heat exchanger, the other end of the second heat exchanger is connected with the second interface of cross valve, and the 3rd outlet of cross valve is connected with the low pressure inlet of gas-liquid separator, compressor successively;
Described the first expansion valve, the first device for drying and filtering, in parallel with described the first check valve again after being cascaded, the flow direction of described the first device for drying and filtering, the first check valve is opposite;
Described the second check valve and the second expansion valve that is cascaded, the second device for drying and filtering are in parallel, and the flow direction of described the second device for drying and filtering, the second check valve is opposite;
Flowing to of described the first check valve, the second device for drying and filtering is identical;
Described the first heat exchanger is arranged on described Air exhaust functional section, and described the second heat exchanger is arranged on described new wind processing capacity section.
As the optimization technique measure, described Air exhaust functional section is provided with the new air-valve of bypass.
As the optimization technique measure, described air exhausting device comprises air draft control valve, exhaust blower, the exhaust outlet that sets gradually.
As the optimization technique measure, described air-supply arrangement comprises air-supply control valve, pressure fan, the air outlet that sets gradually.
As the optimization technique measure, described compressor, cross valve, gas-liquid separator, reservoir, the first expansion valve, the first device for drying and filtering, the first check valve, be arranged on described Air exhaust functional section; Described the second expansion valve, the second device for drying and filtering, the second check valve are arranged on described new wind processing capacity section.
The beneficial effects of the utility model are:
(1) adopt plate type heat exchanger (heat regenerator), fully reclaim air draft cold (or heat) new wind is carried out precooling (or heating), the air draft that can utilize low temperature and low humidity in summer and new wind through plate type heat exchanger (heat regenerator) heat exchange after the high-pressure side refrigerant of cooling refrigeration system, condensing pressure is reduced, improved the Energy Efficiency Ratio COP of unit; The air draft that can utilize in the winter time high temperature and new wind through heat regenerator heat exchange heated afterwards air through the low-pressure side refrigerant of refrigeration system, improved evaporating pressure, also just improved and heated efficiency;
(2) adopt the new air-valve of bypass, regulate exhaust air rate, guarantee heat exchange property;
(3) the utility model unit is heat recovery energy-saving, the comprehensive utilization of the technology such as exhaust air energy recovery, and device structure is simple, reduces the unit operation load, thereby improves the economy of air-conditioning system.
Description of drawings
Fig. 1 is the schematic diagram of the efficient twin-stage heat recovery fresh air of air draft of the present utility model unit;
Fig. 2 is the principle schematic of direct-expansion type cooling and dehumidifying system of the present utility model;
The number in the figure explanation:
The 1-exhaust outlet, 2-exhaust blower, 3-air draft control valve, the new air-valve of 9-bypass, 10-plate type heat exchanger, the 12-control valve of blowing, the 13-pressure fan, 14-air outlet, 15-air returning valve, the new air-valve of 16-, the 17-filter, 24-return air channel, the new wind passage of 25-, 26-Air exhaust air side, the new wind of 27-is processed the air side;
The 4-compressor, 5-cross valve, 6-gas-liquid separator, 7-reservoir, 8-the first heat exchanger, 18-the first expansion valve, 23-the first device for drying and filtering, 21-the first check valve, 11-the second heat exchanger, 19-the second expansion valve, 20-the second device for drying and filtering, 22-the second check valve.
The specific embodiment
Below in conjunction with Figure of description, the utility model is described further.
The efficient twin-stage heat recovery fresh air of air draft of the present utility model unit, as shown in Figure 1, it comprises heat reclamation device, direct-expansion type cooling and dehumidifying system:
heat reclamation device comprises plate type heat exchanger 10, filter 17, be in the air returning valve 15 of return air channel 24, be in the new air-valve 16 of new wind passage 25, air exhausting device, air-supply arrangement, return air channel 24, new wind passage 25 is installed filter 17, plate type heat exchanger 10 is arranged on the air side of filter 17, the air side of plate type heat exchanger 10 is isolated into Air exhaust air side 26, new wind is processed air side 27, form Air exhaust functional section 28 between Air exhaust air side 26 and air exhausting device, new wind is processed and is formed new wind processing capacity section 29 between air side 27 and air-supply arrangement,
The direct-expansion type cooling and dehumidifying system can be simultaneously referring to Fig. 2, and it comprises compressor 4, cross valve 5, gas-liquid separator 6, reservoir 7, the first heat exchanger 8, the first expansion valve 18, the first device for drying and filtering 23, the first check valve 21 and the second heat exchanger 11, the second expansion valve 19, the second device for drying and filtering 20, the second check valve 22;
The high-pressure outlet of compressor 4 is connected with the entrance point of cross valve 5, cross valve 5 first the outlet successively with the first heat exchanger 8, the first check valve 21, reservoir 7, the second device for drying and filtering 20, the second expansion valve 19, the second heat exchanger 11, the other end of the second heat exchanger 11 is connected with the second interface of cross valve 5, and the 3rd outlet of cross valve 5 is connected with the low pressure inlet of gas-liquid separator 6, compressor 4 successively;
In parallel with the first check valve 21 again after the first expansion valve 18, the first device for drying and filtering 23 are cascaded, the flow direction of the first device for drying and filtering 23, the first check valve 21 is opposite;
The second check valve 22 and the second expansion valve 19 that is cascaded, the second device for drying and filtering 20 are in parallel, and the flow direction of the second device for drying and filtering 20, the second check valve 22 is opposite;
Flowing to of the first check valve 21, the second device for drying and filtering 20 is identical;
The first heat exchanger 8 is arranged on Air exhaust functional section 28, the second heat exchangers 11 and is arranged on new wind processing capacity section 29.
As further improving and replenishing technique scheme, the utility model also comprises the additional technical feature that following each section addressed, although Fig. 1 has comprised following all additional technical features, it is preferred embodiment of the present utility model, but the utility model is not limited to this situation, they can be selected on the described technical scheme of epimere according to concrete effect when implementing the utility model.
At first, Air exhaust functional section 28 is provided with the new air-valve of bypass.
Secondly, air exhausting device comprises air draft control valve 3, exhaust blower 2, the exhaust outlet 1 that sets gradually.
The 3rd, air-supply arrangement comprises air-supply control valve 12, pressure fan 13, the air outlet 14 that sets gradually.
The 5th, compressor 4, cross valve 5, gas-liquid separator 6, reservoir 7, the first expansion valve 18, the first device for drying and filtering 23, the first check valve 21 are arranged on Air exhaust functional section 28; The second expansion valve 19, the second device for drying and filtering 20, the second check valve 22 are arranged on new wind processing capacity section 29.
Summer is when freezing, the new wind of filter screen 17 filtrations is introduced and passed through to indoor air draft by plate type heat exchanger 10 heat exchange through air returning valve 15, filter 17 with new air-valve 16, return air through and new wind cross-exchange after be at this moment condenser through the first heat exchanger 8(again with after the new wind of the new air-valve 9 of bypass mixes), with the first heat exchanger 8 inner refrigerant heat exchange by air draft control valve 3, by exhaust blower 2, after treatment return air is passed through exhaust outlet 1 discharge.New wind through with the return air heat exchange after, be evaporimeter at this moment through the second heat exchanger 11() with the cold-producing medium heat exchange after through air-supply control valve 12, then process pressure fan 13 is delivered to the room to new wind after treatment by air outlet 14.Therebetween, the high-pressure outlet of the compressor 4 of direct-expansion type cooling and dehumidifying system is connected with the entrance point of cross valve 5, the first outlet of cross valve 5 is condenser with the first heat exchanger 8(successively at this moment), the first check valve 21, reservoir 7, the second device for drying and filtering 20, the second expansion valve 19, the second heat exchanger 11, the second heat exchanger 11(is at this moment for evaporimeter) the other end be connected with the second interface of cross valve 5, the 3rd outlet of cross valve 5 is connected with the low pressure inlet of gas-liquid separator 6, compressor 4 successively, consists of refrigerating circuit.
Winter is when heating, return air passes through plate type heat exchanger 10 heat exchange through air returning valve 15, filter 17 with the new wind of introducing and pass through filter screen 17 filtrations from new air-valve 16, improve the temperature of new wind, return air through and new wind cross-exchange after again be evaporimeter at this moment through the first heat exchanger 8(after new wind from the new air-valve 9 of bypass mixes), through air draft control valve 3, by exhaust blower 2, return air is after treatment discharged by exhaust outlet 1 after the first heat exchanger 8 inner refrigerant heat exchange.New wind through with the return air heat exchange after, be condenser at this moment through the second heat exchanger 11() with the cold-producing medium heat exchange after through air-supply control valve 12, then process pressure fan 13 is delivered to the room to new wind after treatment by air outlet 14.Therebetween, the high-pressure outlet of the compressor 4 of direct-expansion type cooling and dehumidifying system is connected with the entrance point of cross valve 5, the first outlet of cross valve 5 be condenser with the second heat exchanger 11(successively at this moment), the second check valve 22, reservoir 7, the first device for drying and filtering 23, the first expansion valve 18, the first heat exchanger 8(be evaporimeter at this moment), the other end of the first heat exchanger 8 is connected with cross valve 5 second interfaces, the 3rd outlet of cross valve 5 is connected with the low pressure inlet of gas-liquid separator 6, compressor 4 successively, consists of to heat the loop.
In the efficient twin-stage heat recovery fresh air of air draft of the present utility model unit, plate type heat exchanger 10 reclaims the air draft energy; The direct-expansion type cooling and dehumidifying system is air draft recycling condenser system, the refrigerating/heating loop that is made of single compressor or multi-compressor.
Claims (5)
1. the efficient twin-stage heat recovery fresh air of air draft unit, comprise heat reclamation device, direct-expansion type cooling and dehumidifying system, it is characterized in that:
described heat reclamation device comprises plate type heat exchanger (10), filter (17), be in the air returning valve (15) of return air channel (24), be in the new air-valve (16) of new wind passage (25), air exhausting device, air-supply arrangement, described return air channel (24), new wind passage (25) is installed described filter (17), described plate type heat exchanger (10) is arranged on the air side of described filter (17), the air side of described plate type heat exchanger (10) is isolated into Air exhaust air side (26), new wind is processed air side (27), form Air exhaust functional section (28) between described Air exhaust air side (26) and air exhausting device, described new wind is processed and is formed new wind processing capacity section (29) between air side (27) and air-supply arrangement,
Described direct-expansion type cooling and dehumidifying system comprises compressor (4), cross valve (5), gas-liquid separator (6), reservoir (7), the first heat exchanger (8), the first expansion valve (18), the first device for drying and filtering (23), the first check valve (21) and the second heat exchanger (11), the second expansion valve (19), the second device for drying and filtering (20), the second check valve (22);
The high-pressure outlet of described compressor (4) is connected with the entrance point of cross valve (5), described cross valve (5) first the outlet successively with the first heat exchanger (8), the first check valve (21), reservoir (7), the second device for drying and filtering (20), the second expansion valve (19), the second heat exchanger (11), the other end of the second heat exchanger (11) is connected with the second interface of cross valve (5), and the 3rd outlet of cross valve (5) is connected with the low pressure inlet of gas-liquid separator (6), compressor (4) successively;
In parallel with described the first check valve (21) again after described the first expansion valve (18), the first device for drying and filtering (23) are cascaded, the flow direction of described the first device for drying and filtering (23), the first check valve (21) is opposite;
Described the second check valve (22) and the second expansion valve (19) that is cascaded, the second device for drying and filtering (20) are in parallel, and the flow direction of described the second device for drying and filtering (20), the second check valve (22) is opposite;
Flowing to of described the first check valve (21), the second device for drying and filtering (20) is identical;
Described the first heat exchanger (8) is arranged on described Air exhaust functional section (28), and described the second heat exchanger (11) is arranged on described new wind processing capacity section (29).
2. the efficient twin-stage heat recovery fresh air of air draft according to claim 1 unit, it is characterized in that: described Air exhaust functional section (28) is provided with the new air-valve of bypass (9).
3. the efficient twin-stage heat recovery fresh air of air draft according to claim 1 unit, it is characterized in that: described air exhausting device comprises air draft control valve (3), exhaust blower (2), the exhaust outlet (1) that sets gradually.
4. the efficient twin-stage heat recovery fresh air of air draft according to claim 1 unit, it is characterized in that: described air-supply arrangement comprises air-supply control valve (12), pressure fan (13), the air outlet (14) that sets gradually.
5. the efficient twin-stage heat recovery fresh air of air draft according to claim 1 unit is characterized in that: described compressor (4), cross valve (5), gas-liquid separator (6), reservoir (7), the first expansion valve (18), the first device for drying and filtering (23), the first check valve (21), be arranged on described Air exhaust functional section (28); Described the second expansion valve (19), the second device for drying and filtering (20), the second check valve (22) are arranged on described new wind processing capacity section (29).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206886258U CN202973362U (en) | 2012-12-11 | 2012-12-11 | Air exhaust efficient two-stage heat recovery fresh air handling unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012206886258U CN202973362U (en) | 2012-12-11 | 2012-12-11 | Air exhaust efficient two-stage heat recovery fresh air handling unit |
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| CN202973362U true CN202973362U (en) | 2013-06-05 |
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| CN2012206886258U Expired - Lifetime CN202973362U (en) | 2012-12-11 | 2012-12-11 | Air exhaust efficient two-stage heat recovery fresh air handling unit |
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| CN103512092A (en) * | 2013-10-11 | 2014-01-15 | 无锡同方人工环境有限公司 | Air-conditioning unit for ultralow-energy-consumption house |
| CN103512093A (en) * | 2013-10-11 | 2014-01-15 | 无锡同方人工环境有限公司 | Air-conditioning unit with independent dehumidification function for ultralow-energy-consumption house |
| CN103742997A (en) * | 2014-01-09 | 2014-04-23 | 北京亚都环保科技有限公司 | Household multifunctional dehumidifier |
| CN103836725A (en) * | 2013-11-29 | 2014-06-04 | 江苏国莱特空调设备有限公司 | Sensible heat recovery type fresh air humidity control unit |
| CN104501391A (en) * | 2014-11-21 | 2015-04-08 | 珠海格力电器股份有限公司 | Heat exchanger installing support component, heat recovery device and air conditioning unit |
| WO2016023481A1 (en) * | 2014-08-13 | 2016-02-18 | 戴若夫 | Air conditioner having smog cleansing functions |
| CN105371412A (en) * | 2014-11-28 | 2016-03-02 | 吴忠禄 | Heat exchanging ventilator capable of mixing indoor air into outdoor air |
| CN105627537A (en) * | 2016-03-11 | 2016-06-01 | 银丰地产集团有限公司 | Energy-saving household type intelligent fresh air haze removal system and control method thereof |
| CN109520277A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of high temperature modification four-way intelligence dryer |
| CN109520228A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of intelligence drying flexible apparatus all-in-one machine |
| CN109520275A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of four-way intelligence dryer |
| CN109579211A (en) * | 2018-12-13 | 2019-04-05 | 广州市亿加环境科技有限公司 | A kind of multi-functional air quality adjuster |
| CN110645636A (en) * | 2019-10-30 | 2020-01-03 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
| CN111050529A (en) * | 2019-12-05 | 2020-04-21 | 江苏致远高科能源科技有限公司 | Energy-saving fresh air handling unit of data center and working method thereof |
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2012
- 2012-12-11 CN CN2012206886258U patent/CN202973362U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103512093A (en) * | 2013-10-11 | 2014-01-15 | 无锡同方人工环境有限公司 | Air-conditioning unit with independent dehumidification function for ultralow-energy-consumption house |
| CN103512093B (en) * | 2013-10-11 | 2015-10-28 | 无锡同方人工环境有限公司 | With the super low energy consumption house air conditioning unit of independent humidity control function |
| CN103512092A (en) * | 2013-10-11 | 2014-01-15 | 无锡同方人工环境有限公司 | Air-conditioning unit for ultralow-energy-consumption house |
| CN103836725A (en) * | 2013-11-29 | 2014-06-04 | 江苏国莱特空调设备有限公司 | Sensible heat recovery type fresh air humidity control unit |
| CN103836725B (en) * | 2013-11-29 | 2017-02-15 | 江苏国莱特空调设备有限公司 | sensible heat recovery type fresh air humidity control unit |
| CN103742997A (en) * | 2014-01-09 | 2014-04-23 | 北京亚都环保科技有限公司 | Household multifunctional dehumidifier |
| WO2016023481A1 (en) * | 2014-08-13 | 2016-02-18 | 戴若夫 | Air conditioner having smog cleansing functions |
| CN104501391A (en) * | 2014-11-21 | 2015-04-08 | 珠海格力电器股份有限公司 | Heat exchanger installing support component, heat recovery device and air conditioning unit |
| CN104501391B (en) * | 2014-11-21 | 2017-10-31 | 珠海格力电器股份有限公司 | Heat exchanger installing support component, heat recovery device and air conditioning unit |
| CN105371412B (en) * | 2014-11-28 | 2018-03-13 | 吴忠禄 | The heat exchange ventilating device of indoor and outdoor air can be mixed |
| CN105371412A (en) * | 2014-11-28 | 2016-03-02 | 吴忠禄 | Heat exchanging ventilator capable of mixing indoor air into outdoor air |
| CN105627537A (en) * | 2016-03-11 | 2016-06-01 | 银丰地产集团有限公司 | Energy-saving household type intelligent fresh air haze removal system and control method thereof |
| CN109579211A (en) * | 2018-12-13 | 2019-04-05 | 广州市亿加环境科技有限公司 | A kind of multi-functional air quality adjuster |
| CN109520277A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of high temperature modification four-way intelligence dryer |
| CN109520228A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of intelligence drying flexible apparatus all-in-one machine |
| CN109520275A (en) * | 2018-12-19 | 2019-03-26 | 宝莲华新能源技术（上海）股份有限公司 | A kind of four-way intelligence dryer |
| CN110645636A (en) * | 2019-10-30 | 2020-01-03 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
| CN110645636B (en) * | 2019-10-30 | 2023-10-10 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
| CN111050529A (en) * | 2019-12-05 | 2020-04-21 | 江苏致远高科能源科技有限公司 | Energy-saving fresh air handling unit of data center and working method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG KING AIR CONDITIONER CO., LTD. Free format text: FORMER NAME: ZHEJIANG KING AIR CONDITIONING EQUIPMENT CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 312300 Zhejiang city of Shaoxing province Shangyu city street high road No. 18 Patentee after: ZHEJIANG KING AIR CONDITIONER CO.,LTD. Address before: 312300 Hongxing Village, Shangyu Economic Development Zone (Cao E street, Shaoxing, Zhejiang) Patentee before: ZHEJIANG KING AIR CONDITIONING EQUIPMENT Co.,Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312300 Zhejiang city of Shaoxing province Shangyu city street high road No. 18 Patentee after: ZHEJIANG KING Co.,Ltd. Address before: 312300 Zhejiang city of Shaoxing province Shangyu city street high road No. 18 Patentee before: ZHEJIANG KING AIR CONDITIONER CO.,LTD. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
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| CX01 | Expiry of patent term |