| Patents for E21F 3 - Cooling or drying of air (640) |
|---|
| 12/18/2013 | CN103452575A Mine anti-explosion refrigerating device |
| 12/11/2013 | CN103437799A Tunnel anti-freezing dehumidification system |
| 12/04/2013 | CN203321565U Air purifying refrigeration system for mine-used lifesaving cabin |
| 11/27/2013 | CN203308495U Combined-type cooling system for high-temperature mine |
| 11/27/2013 | CN203308494U Mining movable type anti-explosion refrigerating device |
| 11/27/2013 | CN103410549A System and method by means of power plant waste heat for conducting aeration cooling on mine |
| 11/27/2013 | CN102359387B Temperature-reduction and dehumidification control device |
| 11/20/2013 | CN203296796U Ventilation cooling device for mine |
| 11/20/2013 | CN103398510A Collection and utilization system for mine heat and wet source energy |
| 11/13/2013 | CN103388487A Recovery device for methane in mine discharged air and application thereof |
| 11/06/2013 | CN203271795U Cooling system for down-hole operation |
| 11/06/2013 | CN203271794U Mining air cooler |
| 10/23/2013 | CN203248183U High-temperature deep well down-hole cooling and dustproof composite water supply system |
| 10/23/2013 | CN103362543A Passive escape capsule automatic control system |
| 10/23/2013 | CN103362530A Equipment and method for cooling working surface and utilizing heat energy during mining process |
| 10/16/2013 | CN203239381U Cold scattering terminal device for mine cooling device |
| 10/09/2013 | CN203230453U Cooling device for casting large volume hollow concrete tunnel lining structure |
| 10/02/2013 | CN203223242U Pressure exchange system |
| 09/25/2013 | CN103321671A Mining lifesaving refrigeration dehumidifier |
| 09/25/2013 | CN103321667A Passive pressure air ice-storage system and method |
| 09/18/2013 | CN203201585U Air conditioning system of mine-used lifesaving cabin |
| 09/18/2013 | CN203201579U Efficient ventilation structure suitable for slope mine channel |
| 09/18/2013 | CN103306705A Refrigeration system for mine cooling |
| 09/11/2013 | CN203189055U Mining lifesaving cabin ice storage cabinet |
| 09/11/2013 | CN203189054U Mine deep-well anti-explosion cooling water source heat pump unit |
| 09/11/2013 | CN203189053U Refrigerating and cooling apparatus for refuge chamber |
| 09/11/2013 | CN103291347A Combined-type cooling system for high-temperature mine and cooling system method of combined-type cooling system |
| 09/04/2013 | CN203176003U Sound-attenuation and noise-reduction type industrial and mining hot air heating device |
| 08/28/2013 | CN203161279U Compressed air refrigeration equipment |
| 08/28/2013 | CN203161278U Mine vacuum cooling system |
| 08/21/2013 | CN203147988U Anti-explosion heat recovery air conditioner for mines |
| 08/21/2013 | CN203145989U Mine ventilating, cooling and heat exchange equipment |
| 08/21/2013 | CN102287227B Enclosed underground life-saving system |
| 08/14/2013 | CN203130147U Carbon dioxide cooling device for emergency hedge and rescue system of mine |
| 08/14/2013 | CN203130140U Cooling and mine heat utilizing system for mine in winter |
| 08/14/2013 | CN203130139U Rescue capsule cooling and dehumidification air conditioner |
| 08/14/2013 | CN203130042U Air-returning and heat-extraction type cooling device used for mine |
| 08/07/2013 | CN203114324U Mine laneway pneumatic water-cooling cooling device |
| 08/07/2013 | CN203114323U Mining water storage precooling evaporative cooling air conditioning unit |
| 07/31/2013 | CN203097937U Refrigerating and purifying all-in-one machine |
| 07/31/2013 | CN203097927U Mine air conditioner |
| 07/31/2013 | CN203097926U Phase-change cooling device for refuge chamber |
| 07/24/2013 | CN203081483U Cooling and dehumidifying device for mine rescue capsule |
| 07/24/2013 | CN203081482U Pneumatic water cooling device for mine laneway |
| 07/24/2013 | CN203081481U Air cooling device for roadway |
| 07/24/2013 | CN203081478U Underground refrigerating and ventilating unit |
| 07/24/2013 | CN103216255A Compressed air cold conveying cooling system for mine and cooling method thereof |
| 07/24/2013 | CN102182490B Operation method of efficient refrigerating system of high-pressure power source |
| 07/24/2013 | CN101943018B Recooler for mine |
| 07/17/2013 | CN203067010U Double-cold-source underground air conditioning device |
| 07/17/2013 | CN102330563B Non-external-power-supply air-conditioning/refrigerating system for soft escape capsules for mines |
| 07/10/2013 | CN203052926U Storage refrigerator connecting air flue |
| 07/10/2013 | CN203052875U Safety facility concentrated cooling and dehumidification device |
| 07/10/2013 | CN203050769U Cooling and dehumidifying system of mine refuge chamber |
| 07/03/2013 | CN203035224U Self-cold-release freezer for urgent danger prevention facility underground coal mine |
| 07/03/2013 | CN203035223U Mining ice storage device |
| 07/03/2013 | CN203035222U Oxygen supply and refrigerating device used for mine urgent danger prevention facility |
| 07/03/2013 | CN103184881A Method for cooling excavation working face of underground mine |
| 06/26/2013 | CN203022807U Chemical temperature reduction device for mine refuge chamber and rescue capsule |
| 06/26/2013 | CN203022805U Environment adjusting fast switching system in escape capsule |
| 06/26/2013 | CN203022792U Coal mine underground refuge chamber refrigerating device |
| 06/26/2013 | CN103174450A Mine air conditioner |
| 06/26/2013 | CN102383822B Air purification, cooling and dehumidification integrated device for mine |
| 06/19/2013 | CN203008951U Constant temperature cold air transportation system of downhole movable type rescue capsule and refuge chamber |
| 06/19/2013 | CN203002170U Ice storage refrigeration type air filter device |
| 06/19/2013 | CN103161494A All-in-one portable escape capsule |
| 06/19/2013 | CN103161489A Down-hole rescue capsule nonelectric ice storage heat dissipation and cooling device |
| 06/12/2013 | CN202991098U System utilizing power plant waste heat for mine ventilation and cooling |
| 06/12/2013 | CN202991093U Mine temperature-adjustable ventilating device |
| 06/12/2013 | CN103147783A Mining winter cooling and mine heat utilization system |
| 06/05/2013 | CN202970756U Mining liquid nitrogen temperature reducing device |
| 05/29/2013 | CN202954844U Ice storage cabinet for underground emergency refuge system |
| 05/29/2013 | CN202954832U Chemical refrigeration type cooling, dehumidifying and purifying device for refuge chamber |
| 05/29/2013 | CN202954831U Evaporative cooling air conditioner combined with buried air pipes used for mine |
| 05/22/2013 | CN103114868A Underground vertical heat exchange chamber |
| 05/15/2013 | CN202938432U Comprehensive utilization device for low-temperature geothermal water |
| 05/15/2013 | CN202938429U Mine pneumatic air conditioner |
| 05/15/2013 | CN202937293U Ice storage box cold accumulation type refrigeration and dehumidification device |
| 05/10/2013 | WO2013063837A1 Aerodynamically driven environment control system for rescue capsule for mining |
| 05/08/2013 | CN202926370U Combined refrigeration rescue capsule refrigerating system for mine |
| 05/08/2013 | CN202926369U Ice blockage preventing and self-defrosting and open type carbon dioxide cooling system |
| 05/08/2013 | CN103089289A Mine downhole high temperature point cooling device |
| 05/01/2013 | CN202914123U Pneumatic/hydraulic drive local air conditioning unit for mining |
| 05/01/2013 | CN103075182A Mine refuge chamber |
| 05/01/2013 | CN103075174A Heat removal equipment of refrigeration system for mine |
| 04/24/2013 | CN202900303U Pressure relief device for downhole cooling systems |
| 04/24/2013 | CN103062854A Heat pipe anchor rod air conditioning device |
| 04/24/2013 | CN103061803A Interior heat-humidity independent processing and passive air conditioning system for refuge chamber of coal mine |
| 04/17/2013 | CN202882981U Refrigerant compression device |
| 04/17/2013 | CN202882980U Automatic switching device for escape capsule or refuge chamber air refrigeration pipe hot air opening |
| 04/17/2013 | CN103046951A Environmental conditioning rapid switching system in rescue capsule |
| 04/17/2013 | CN102269008B System for reducing mine temperature by use of constant-temperature water bearing formation |
| 04/10/2013 | CN202866880U Carbon dioxide passive air conditioner for coal mine rescue capsule |
| 04/10/2013 | CN202866877U Refrigeration cooling device of coal mine underground escape cabin |
| 04/10/2013 | CN103032093A Chemical cooling method and device for refuge chamber and rescue capsule of mine |
| 04/03/2013 | CN202851055U Water-cooling gas purifier |
| 04/03/2013 | CN202851044U Auxiliary shaft combined type ground source heat pump air-conditioner |
| 04/03/2013 | CN103016041A Oxygen supply refrigeration equipment for mine emergency hedge facilities |
| 03/27/2013 | CN202832631U Passive efficient purification air conditioning device of coal mine escape capsule |
| 03/27/2013 | CN202832624U Air cooling dehumidification device special for mine refuge chamber and rescue capsule |