| Patents for E21F 3 - Cooling or drying of air (640) |
|---|
| 06/09/2010 | CN201502394U High-temperature coal mine driving face cold energy configuration system |
| 04/22/2010 | WO2010044817A1 Method for removing a consumable downhole tool specification |
| 04/14/2010 | EP2173668A2 Method of treating contaminated waste water |
| 03/25/2010 | DE202009015367U1 Halterung für Strebteilkühler Support for longwall sub-cooler |
| 01/13/2010 | CN100580225C Temperature lowering device for deep mine |
| 12/09/2009 | CN201358809Y System for temperature reduction and moisture removal in coal pit |
| 12/09/2009 | CN201358808Y Spiral coil turbulent air-cooler used in mine |
| 11/25/2009 | CN201352081Y High-pressure condenser for coal mine refrigeration |
| 11/11/2009 | CN201344042Y Cooling capacity arrangement system for coal face in high temperature mine |
| 09/09/2009 | CN201306183Y Ice slurry mine shaft temperature reduction process unit |
| 09/09/2009 | CN201306182Y Water chiller unit used in coal mine underground |
| 09/09/2009 | CN201306181Y External melt-ice cooling system for mining use |
| 08/27/2009 | WO2009103308A1 Method for controlling longwall mining operations, taking into account air and air conditioning resources |
| 07/22/2009 | CN101487398A Spraying type cold air case |
| 07/22/2009 | CN101487397A Cold air drop catcher for vertical shaft construction |
| 06/03/2009 | CN100494633C Device for keeping plateau tunnel thermal stability |
| 05/27/2009 | CN201246179Y Mine borehole cooling device |
| 05/27/2009 | CN100491698C Deep mine modularized assembling mobile cooling device |
| 05/20/2009 | CN201241724Y Mine movable water cooled type refrigerating machine unit |
| 05/13/2009 | CN101429871A Ice slurry mine cooling technique |
| 05/06/2009 | CN101424191A Exterior ice-melting temperature reduction system for mining |
| 04/08/2009 | CN100476161C Deep well temperature reduction system using mine water burst as cold source |
| 04/02/2009 | WO2009013618A3 Method of treating contaminated waste water |
| 03/11/2009 | CN100467830C Mine heat conversion circulating production system |
| 03/04/2009 | CN100465413C A pressure transition system of a deep mine heat exchange system |
| 01/29/2009 | WO2009013618A2 Method of treating contaminated waste water |
| 01/28/2009 | CN100455770C Cold air radiating system and method for hot working face of deep mine |
| 01/21/2009 | CN100453771C Mining partial cold-supply device |
| 01/14/2009 | CN101344009A Mine cooling-down system and method |
| 01/07/2009 | CN201176879Y Temperature reduction dehumidifying system |
| 12/24/2008 | CN201170114Y Cool-down system during well building of deep well coal mine |
| 12/24/2008 | CN201170113Y Drop-catching device for ice melting cold air box |
| 12/24/2008 | CN201170112Y Ice melting cold air box |
| 12/24/2008 | CN201170111Y Vertical shaft construction cooler |
| 12/24/2008 | CN100445481C Linear regulating water supply system with ground control and underground pressure measurement for coal mine |
| 10/29/2008 | CN101294498A Cooling-down method for down-hole of coal mine |
| 08/20/2008 | CN201103406Y Mining high-pressure combined air cooler |
| 08/13/2008 | CN201100135Y Ice cooling temperature reduction system for mine |
| 08/13/2008 | CN101241632A Deep well heat exchanging circulation production system parameters remote real time monitoring system and method |
| 08/13/2008 | CN101240714A Deep well temperature reduction system using mine water burst as cold source |
| 08/13/2008 | CN101240713A Mine heat conversion circulating production system |
| 07/31/2008 | DE102007003702A1 Rohraufgeber, insbesondere Dreikammer-Rohraufgeber Rohraufgeber, especially three-chamber Rohraufgeber |
| 07/30/2008 | EP1950376A2 Three-chamber pipe feeder |
| 07/23/2008 | CN201090234Y Temperature control structure in tunnel portal |
| 07/23/2008 | CN101225747A Method for reduction of temperature during period of building well for deep well coal mine and equipment thereof |
| 07/16/2008 | CN101220752A Pressure transition system of deep mine heat exchange system |
| 07/16/2008 | CN101220751A Deep mine modularized assembling mobile cooling device |
| 07/16/2008 | CN101220750A Cold air radiating system and method for hot working face of deep mine |
| 06/18/2008 | CN201074522Y Low-temperature refrigeration cooling device for mine |
| 04/30/2008 | CN101169040A Mine working face cooling system |
| 01/16/2008 | CN101105137A Tunnel sprinkling (fog) temperature-lowering method |
| 01/09/2008 | CN101100949A Tunnel sprinkling (fog) temperature-lowering structure |
| 12/19/2007 | CN101089366A Temp lowering device for deep mine |
| 11/07/2007 | CN200971787Y Cold-air preparation device of mine working face temp. lowering system |
| 04/26/2007 | DE102004059071B4 Dreikammer-Rohraufgeber im Untertagebergbau Tri-Rohraufgeber in underground mining |
| 04/11/2007 | CN1944814A Linear regulating water supply system with ground control and underground pressure measurement for coal mine |
| 12/27/2006 | CN1884796A Ice block cooling machine |
| 09/20/2006 | CN2818786Y Local colling device for coal mine |
| 06/14/2006 | DE102004059071A1 The device has three-chamber tubing senders in respective bores formed with closed cooling circuits in series so low-pressure line of sender is connected to shaft line with developing high pressure of following sender |
| 06/14/2006 | CN1786421A Three chamber tube feeder in underground mining |
| 06/08/2006 | WO2006059186A1 Cooling apparatus |
| 02/22/2006 | CN1737336A Mining partial cold-supply device |
| 09/22/2005 | WO2005088076A1 An airconditioning system |
| 03/16/2005 | CN1594836A Device for keeping plateau tunnel thermal stability |
| 01/26/2005 | CN2674102Y Low temp. rediation temp.-lowering system using ice in mine |
| 01/26/2005 | CN2674101Y Down well ice-melting pond used for temp.-lowering system used in mine |
| 01/26/2005 | CN2674100Y Low temp. flashy water for decreasing temp. used for conditioner in mine |
| 01/26/2005 | CN2674099Y Well bare tube and shower combination type temp.-decreasing apparatus |
| 04/07/2004 | CN1144934C Central cooling method for deep under ground mining operating area |
| 03/28/2002 | DE10042992A1 Deeply cooled water generation method for mine or tunnel cooling has heat exchanger supplied with cooling medium at temperature below water freezing point |
| 05/16/2001 | CN1295177A Central cooling method for deep underground mining operation area |
| 12/21/2000 | DE19927257A1 Firedamp cooler for mining application, particularly at coalface, has housing with end-side pipe bases containing pipes through which firedamp is fed |
| 08/03/2000 | DE19903474A1 Arrangement for cooling firedamp passing through underground mine has motor driven by water, supply line connected to water supply for dust control system and/or water coolant circuit |
| 03/07/2000 | US6033192 Fluid transfer system |
| 01/05/2000 | DE19829552A1 Method for central cold supply to underground mining operating points |
| 12/24/1998 | DE19826121A1 Firedamp penetrating rock and tunnel sites cooling heat exchanger |
| 09/17/1998 | DE19710372A1 Extraction of water from mines etc. |
| 09/10/1998 | DE19708879A1 Ventilating and air-conditioning system for underground mine |
| 05/28/1998 | DE19729672C1 Cooling heat-exchanger in underground mine |
| 12/31/1997 | WO1997049897A1 Fluid transfer system |
| 11/06/1997 | DE19616034A1 Heat exchanger for cooling in working regions of mines and tunnels |
| 06/19/1997 | DE19546983A1 Air conditioning plant alters climate of at least one room |
| 05/15/1997 | WO1997017126A1 Apparatus for supplying dry air |
| 12/05/1996 | DE19547422C1 Cooling equipment for firedamp in mining operations |
| 12/05/1996 | DE19547420C1 Cooling equipment for fire-damp in mining operations |
| 11/14/1996 | DE19517633A1 Mine face air cooler |
| 09/12/1996 | DE19532694C1 Air-cooler for underground mine |
| 06/04/1996 | CA2002393C Mine cooling power recovery system |
| 12/14/1995 | DE4420622A1 Cooling unit for air in mine or tunnel |
| 12/06/1995 | CN1112983A Temperature controlling device used for underground mining working |
| 11/02/1995 | DE4442004C1 Working face air=conditioning method for underground mines |
| 05/30/1995 | CA2038280C Fluid pressure feeding apparatus |
| 02/09/1995 | DE4405192C1 Cooling apparatus for underground mining spaces, in particular for winning faces |
| 12/15/1994 | DE4341024C1 Installation for the temperature conditioning of an underground mining operation |
| 11/18/1993 | DE4239226C1 Installation for temp. conditioning of coal-face - involves at least one eddy tube cooler with at least one tube having input side compressed air inlet and outlet side cold air central shutter and warm air ring shutter |
| 11/16/1993 | US5261794 Fluid pressure feeding apparatus |
| 10/27/1993 | CN2144714Y Air cooling device |
| 10/14/1993 | DE4311277A1 Three chamber tubular feeder - has chambers connected to high pressure filling pipe and low pressure discharge pipe at both ends, creating high and low pressure circuits |
| 10/12/1993 | US5251458 Extending the working depth |
| 09/23/1992 | CN2116780U Explosion protection incubator for mining |