| Patents for E21F 3 - Cooling or drying of air (640) |
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| 10/10/2012 | CN202483608U Device for cooling, dehumidifying and purifying air |
| 10/10/2012 | CN102720531A System and method for refrigeration and dehumidification of mine refuge chamber |
| 10/10/2012 | CN102720524A Cooling and dehumidifying device of escape capsule |
| 10/10/2012 | CN102720523A Combined air cooling system of rescue capsule |
| 10/10/2012 | CN102720522A Refuge emergency air conditioning system and refrigeration method thereof |
| 10/03/2012 | CN202467918U Escape capsule piping system |
| 10/03/2012 | CN202467912U Mining escape capsule |
| 10/03/2012 | CN202467905U Mining cooling, dehumidifying and air purifying device |
| 10/03/2012 | CN202467898U Escape capsule provided with hybrid-power ice-storing cooling device |
| 10/03/2012 | CN102705612A Telescopic joint device for deep well ice conveying pipelines |
| 09/26/2012 | CN202451211U Air circulation device on mining rescue capsule |
| 09/26/2012 | CN202451199U Movable mine working mat cooling and dedusting device |
| 09/26/2012 | CN202451198U Anti-explosion ice-storage air conditioner device of mining rescue capsule |
| 09/26/2012 | CN202451197U Mine underground temperature regulator |
| 09/26/2012 | CN102692091A Mining high-pressure modularization underground concentration refrigerating device and system |
| 09/26/2012 | CN102691517A Passive air conditioning device of coal mine rescue capsule |
| 09/19/2012 | CN202441423U Collector-shoe gear of mine movable type rescue capsule refrigerant steel cylinder |
| 09/19/2012 | CN102678158A CO2 temperature and humidity adjustment and air purification system for sealed space |
| 09/19/2012 | CN102678157A Refrigeration cooling and dehumidification air conditioner |
| 09/07/2012 | WO2012025839A3 Central air- conditioning system for mine excavations |
| 09/05/2012 | CN202417585U Refrigerating system of mine-used movable lifesaving cabin |
| 09/05/2012 | CN202417578U Device for carrying out temperature control on rescue capsules based on superconducting |
| 09/05/2012 | CN202417565U Temperature regulation system for mine escape capsule |
| 08/22/2012 | CN202391467U Phase change air conditioning system for rescue capsule and refuge chamber |
| 08/22/2012 | CN202391454U Evaporating and cooling ventilation temperature-reducing device for mine shaft |
| 08/22/2012 | CN202391453U Phase change energy storage temperature regulation system of coal mine rescue capsule |
| 08/22/2012 | CN102644474A Mobile cooling refrigeration device for mine |
| 08/15/2012 | CN102635398A Pneumatic cooling and air purifying system |
| 08/08/2012 | CN202370574U Aeration device for heading face of plateau non-coal-mine well |
| 08/01/2012 | CN102619551A System and method for realizing long-time uniform cooling in mine high-temperature stope working face |
| 08/01/2012 | CN102619550A Novel mine air conditioning system heat exchange device |
| 08/01/2012 | CN102619549A Pressure-adjustable mine high- and low-pressure water energy exchange system |
| 08/01/2012 | CN102619547A Ventilation, energy conservation and warming system for extremely cold tunnel |
| 07/25/2012 | CN202348327U Aerodynamic drag environment control system for mining lifesaving capsule |
| 07/25/2012 | CN202348314U Underground cooling energy-saving air-conditioning system for mine |
| 07/25/2012 | CN102606189A Fire extinguishing and cooling system for coal cavities and loose areas in fire district of coal field |
| 07/25/2012 | CN102606187A Refrigerating cooling device for underground refuge system |
| 07/25/2012 | CN102011604B Movable mine ice-storage air conditioner |
| 07/18/2012 | CN202338355U 一种矿用救生舱降温、除废、供氧系统 One kind of mine rescue capsule cooling, in addition to waste, oxygen system |
| 07/18/2012 | CN102587969A Life-saving capsule for mine |
| 07/18/2012 | CN102587954A Anti-explosion and ice-storage air conditioning device of mine escape capsule |
| 07/17/2012 | US8220094 Reinforced mine ventilation device |
| 07/11/2012 | CN202325645U 无源矿井紧急避险设备 Passive mine the emergency equipment |
| 07/11/2012 | CN202325634U 井下救生舱及避难硐室的降温装置 Cooling device mine rescue capsule and refuge chambers |
| 07/11/2012 | CN202325633U 一种无电型井下救生舱 A non-electric type mine rescue capsule |
| 07/11/2012 | CN202325616U 矿井紧急避险设备用的制冷系统 Mine the emergency equipment used in refrigeration systems |
| 07/11/2012 | CN202325615U 一种制冷降温除湿空调 A refrigeration air conditioning cooling and dehumidification |
| 07/11/2012 | CN102562136A Temperature regulation device with water as cold source for coal mine underground refuge chamber |
| 07/11/2012 | CN102562122A Mobile liquid cooling device without electric drive and liquid cooling method |
| 07/11/2012 | CN102562121A Ice storage refrigerating system for powerless refuge chamber or rescue cabin |
| 07/11/2012 | CN102562120A Mining cooling, dehumidifying and air purifying device |
| 07/11/2012 | CN102562119A Inner rotation type condensing, dehumidifying and cooling all-in-one machine |
| 07/11/2012 | CN102562118A Air purification and refrigeration device special for mining disaster escape chamber |
| 07/11/2012 | CN102562117A Method for regulating temperature and humidity of CO2 and purifying air in enclosed space |
| 07/04/2012 | CN202300471U 一种过滤增氧除湿系统 A filter oxygen dehumidification system |
| 07/04/2012 | CN202300470U 一种矿井救生舱制冷系统 Refrigeration systems in mine rescue capsule |
| 07/04/2012 | CN202300469U 一种矿井避险设施的制冷装置 Hedging facilities in mine refrigeration unit |
| 07/04/2012 | CN202300468U 一种矿井避险设施的降温装置 A cooling device of mine hedging facilities |
| 07/04/2012 | CN202298765U 储水池补水控制装置和控制系统 Cistern water control devices and control systems |
| 07/04/2012 | CN102536298A Environmental-friendly refrigerating system for underground hedge device and refrigerating method of environmental-friendly refrigerating system |
| 07/04/2012 | CN102536297A Cold conveying system of mine air-conditioning and working method of cold conveying system |
| 06/27/2012 | CN102518468A Escape capsule temperature control method by releasing cold energy |
| 06/06/2012 | CN202266292U 一种救生舱及避难硐室使用的降温系统 A cooling system for saving space and refuge chamber used |
| 06/06/2012 | CN202266291U 矿井避险设施用组合制冷降温装置 Mine hedging facilities with a combination of refrigeration cooling device |
| 05/30/2012 | CN202250172U Special air regeneration device for totally closed power supply system of mine rescue capsule |
| 05/30/2012 | CN202250150U Liquid nitrogen cooling, fireproofing and fire-extinguishing system |
| 05/30/2012 | CN202250149U Cooling, fireproof and fire-extinguishing system by using liquid carbon dioxide |
| 05/30/2012 | CN202250148U Temperature and humidity control system for mining rescue capsule |
| 05/30/2012 | CN202250147U Electricity-free carbon dioxide refrigeration and dehumidification air conditioner |
| 05/30/2012 | CN202250146U Cooling, purifying and dehumidifying device for underground life-saving capsules |
| 05/30/2012 | CN202250145U Ice-reserving type refrigeration air conditioner for mine rescue capsule |
| 05/30/2012 | CN202250144U Cabinet type explosion-proof air regulator for coal mines |
| 05/30/2012 | CN202250143U Wall-mounted coal mine explosion-proof air conditioner |
| 05/23/2012 | CN202228112U Liquid carbon dioxide cooling system for underground coal mine escape capsule and refuge chamber |
| 05/23/2012 | CN101832147B Downhole cooling air-cooling dehumidifier |
| 05/02/2012 | CN202209183U Closed subsurface lifesaving environment control system |
| 04/25/2012 | CN202202886U 封闭式井下救生舱体冷却系统 Closed mine rescue cabin cooling system |
| 04/18/2012 | CN202194678U System for cooling mine by utilizing constant-temperature water bearing stratum |
| 04/18/2012 | CN102421513A 用于利用高压液体进行操作的有效方法 Using an effective method for the operation of a high pressure liquid |
| 04/11/2012 | CN202187789U 一种矿用安全救生舱用制冷空调系统 One kind of mine safety rescue capsule with refrigeration and air conditioning systems |
| 04/04/2012 | CN202181913U 隔爆兼本安智能洒水装置 Flameproof and intrinsically safe Smart sprinklers |
| 04/04/2012 | CN101864981B 矿井局部降温方法及降温风机 Mine local cooling methods and cooling fan |
| 03/28/2012 | CN102392683A Environment control system used for mine escape capsule and dragged by aerodynamic force |
| 03/28/2012 | CN102392673A Frostless-air cooling and dehumidification system and method |
| 03/21/2012 | CN102383822A Air purification, cooling and dehumidification integrated device for mine |
| 03/14/2012 | CN202165106U 一种煤矿综采用空气冷却器 One kind of fully mechanized coal using air coolers |
| 03/14/2012 | CN202165105U Device for reducing local temperature in coal mine |
| 03/14/2012 | CN102373946A Mine movable rescue capsule and rescue method |
| 03/14/2012 | CN102373945A Comprehensive control device for waste gas treatment and cooling as well as dehumidifying in coal mine underground rescue capsule |
| 03/07/2012 | CN202157825U 一体式煤矿避难硐室或救生舱用空气净化、制冷装置 One-mine refuge chamber or JiuShengCang air purification, refrigeration equipment |
| 03/07/2012 | CN202157819U Cooling device of life-saving cabin and refuge chamber |
| 03/01/2012 | WO2012025839A2 Central air- conditioning system for mine excavations |
| 02/29/2012 | CN202152688U 一种用于救生舱的蓄冷系统 Storage system for a rescue capsule |
| 02/29/2012 | CN202152687U 救生舱及避难硐室相变降温装置 Saving space and refuge chamber phase change cooling device |
| 02/22/2012 | CN202148916U 矿井通风高压喷气—流体动力喷水复合蒸发冷却空调机组 Mine Ventilation high pressure jet - water complex hydrodynamic evaporative cooling air conditioning units |
| 02/22/2012 | CN102359387A Temperature-reduction and dehumidification control device |
| 02/15/2012 | CN102352765A Pneumatic air-circulating/ice-storing/refrigerating ice chest for mining rescue capsule |
| 02/01/2012 | CN102337916A Ventilation system for tunnel engineering |
| 01/25/2012 | EP2408549A1 Efficient methods for operation with high pressure liquids |
| 01/25/2012 | CN202125307U Mobile dust removal and cooling spray equipment for fully-mechanized working surface ventilation roadway |