| Patents for E21F 1 - Ventilation of mines or tunnels; Distribution of ventilating currents (2,288) |
|---|
| 08/01/2012 | CN202361690U Connecting device for mine return-air heat exchanger and diffusion tower |
| 08/01/2012 | CN202360143U Wedge-shaped beam for explosion-proof door |
| 08/01/2012 | CN202360127U Outburst-prevention regulating air window control device for underground air door |
| 08/01/2012 | CN202360126U Remotely controlled automatic locking device for anti-explosion door |
| 08/01/2012 | CN202360125U Automatic shutdown device for downhole air door |
| 08/01/2012 | CN202360124U Fan drum with pressure relief holdback |
| 08/01/2012 | CN102619556A Integrated manual-pneumatic air purifying device for underground mine hedging system |
| 08/01/2012 | CN102619551A System and method for realizing long-time uniform cooling in mine high-temperature stope working face |
| 08/01/2012 | CN102619548A Overflow type intelligent air distribution control system |
| 08/01/2012 | CN102619547A Ventilation, energy conservation and warming system for extremely cold tunnel |
| 08/01/2012 | CN102619546A Main fan diffusing tower exhaust outlet deflector induced air and heat energy utilization device |
| 08/01/2012 | CN102619545A Lower exhaust system and method for tunnel air |
| 07/26/2012 | WO2012097437A1 System and method for energy consumption optimization |
| 07/25/2012 | EP2477727A1 Process and apparatus for removal of volatile organic compounds from a gas stream |
| 07/25/2012 | CN202348313U Air door interlocking rope tightening device |
| 07/25/2012 | CN202348312U Star wheel type wind-quantity-adjustable air window |
| 07/25/2012 | CN202348311U Balancing air door |
| 07/25/2012 | CN202348310U Wind tube diverter |
| 07/25/2012 | CN202348309U Gas concentration regulator |
| 07/25/2012 | CN102606200A Full-automatic safety device for driving working face of roadway |
| 07/25/2012 | CN102606199A Full-automatic safety equipment for driving face roadway |
| 07/25/2012 | CN102606198A Full-automatic safety equipment for stope face roadway |
| 07/25/2012 | CN102606197A Full automatic safety device for laneway of stope face |
| 07/25/2012 | CN102606196A Equipment for comprehensively preventing 'ventilation, gas outburst prevention, dust prevention and fire prevention' accidents of mining face |
| 07/25/2012 | CN102606195A Equipment for comprehensively preventing 'ventilation, gas outburst prevention, dust prevention and fire prevention' accidents of mining face |
| 07/25/2012 | CN102606194A Full-automatic safety equipment for roadways of stoping face |
| 07/25/2012 | CN102606193A Equipment for comprehensively preventing 'ventilation, gas outburst prevention, dust prevention and fire prevention' accidents of stope face |
| 07/25/2012 | CN102606192A Equipment for ventilation and prevention of fire, flood and coal and gas outburst for comprehensively preventing accidents of driving face |
| 07/25/2012 | CN102606186A Air door locking device and air door |
| 07/25/2012 | CN102606185A Device for utilizing induced air and heat energy of air-collecting cover for air outlet of main fan diffuser |
| 07/25/2012 | CN102606184A Multi-level air collection and heat utilization device in main-fan retention tower |
| 07/25/2012 | CN102606159A Medium thick heavy-pitch crushed ore body frame type artificial top downward segmenting cemented filling method |
| 07/25/2012 | CN102080561B Group count determining and stationing universal method of pollutant purification ventilation system for road tunnel |
| 07/25/2012 | CN102071958B Inverse Y-shaped ventilation method for coal mining working face |
| 07/18/2012 | CN202339503U 通风机智能监控系统 Fans intelligent monitoring system |
| 07/18/2012 | CN202338353U 副井风门开启装置 Auxiliary shaft damper Opener |
| 07/18/2012 | CN202338352U 煤矿通风系统 Mine ventilation systems |
| 07/18/2012 | CN102587967A Equipment for comprehensively preventing accidents of 'ventilation, dust proofing, gas prevention and fire proofing' of working face |
| 07/18/2012 | CN102587966A Full-automatic safety equipment for roadway of working face |
| 07/18/2012 | CN102587965A Full-automatic safety equipment of extraction working face well roadway |
| 07/18/2012 | CN102587964A Comprehensively preventive equipment for ventilation and prevention of coal dust, fire and gas explosion for stope face |
| 07/18/2012 | CN102587963A Equipment for comprehensively preventing 'one ventilation and three prevention accidents' of extraction working face |
| 07/18/2012 | CN102587953A Air door for mine |
| 07/11/2012 | CN202325688U 井下高精度瓦斯浓度检测联动装置 High-precision detection of underground gas concentration linkage |
| 07/11/2012 | CN202325614U 一种防止矿山瓦斯爆炸的应急通风装置 An emergency ventilation system to prevent mine gas explosion |
| 07/11/2012 | CN202325613U Ventilation system for sector tunnel of subway |
| 07/11/2012 | CN202325612U 一种移动式隧道路面施工通风排烟系统 A mobile road construction tunnel ventilation exhaust system |
| 07/11/2012 | CN202325573U 煤巷钻孔防突装置 Coal Lane drilling outburst prevention device |
| 07/11/2012 | CN102563793A Explosion-proof exhaust system |
| 07/11/2012 | CN102562151A Multifunctional water filtering filling mine and use method thereof |
| 07/11/2012 | CN102562140A Disaster reduction control system of explosion door of underground return air main roadway |
| 07/11/2012 | CN102562131A Coal mine gas comprehensive application system and application method thereof |
| 07/11/2012 | CN102562116A Method for configuring ventilation system of electric tunnel |
| 07/11/2012 | CN102562088A Method for preventing gas from being accumulated at corners on coal faces |
| 07/11/2012 | CN102562066A Method for mechanically mining coal by using steep seam pseudo inclination bracing type retractable flexible shield support |
| 07/04/2012 | CN202300525U 一种具有同步开闭机构的防爆门 Having a synchronized opening and closing mechanism of the blast doors |
| 07/04/2012 | CN202300523U 煤矿竖井梅花瓣防爆门 Mine Shaft plum petals blast doors |
| 07/04/2012 | CN202300467U 竖井气体缓冲防爆门 Shaft gas cushion blast doors |
| 07/04/2012 | CN202300466U 竖井自重复位防爆门 Shaft weight Reset blast doors |
| 07/04/2012 | CN202300465U 自动开闭式防爆门 Automatic open-closed blast doors |
| 07/04/2012 | CN202300464U 一种斜井和平井双缓冲强制复位防爆门 One kind of deviated wells double buffering forced reset peace blast doors |
| 07/04/2012 | CN202300463U 一种竖井上升缓冲自行复位防爆门 One kind of shaft rises buffer reset itself blast doors |
| 07/04/2012 | CN202300462U 具有快速复位和锁扣功能的煤矿风井备用防爆门 A fast reset and latching function mine ventilation shaft spare blast doors |
| 07/04/2012 | CN202300461U 井下反逆风装置 Underground anti headwind device |
| 07/04/2012 | CN202300460U 快装抗压风门 Quick compression damper |
| 07/04/2012 | CN202300459U Convolution ventilating system of urban transportation tunnel |
| 07/04/2012 | CN102536296A Automatic reset air door sill |
| 07/04/2012 | CN102536295A Intelligent local ventilation system |
| 07/04/2012 | CN102536294A Hard air divider |
| 07/04/2012 | CN102536293A Two-line tunnel based on sharing of exhaust communication air passage and ventilation vertical shaft |
| 07/04/2012 | CN102536250A Construction method for tunnels with karst and gas simultaneously |
| 07/04/2012 | CN101644168B Ventilation forecasting and early-warning system for mine |
| 07/04/2012 | CN101644164B Coal mine air cylinder |
| 06/27/2012 | CN202284478U 一种下穿过街地下通道风动换气结构 Street underpass under one kind of wind through the ventilation structure |
| 06/27/2012 | CN102518463A Recycling type smoke control method of tunnel |
| 06/27/2012 | CN102518462A Subway platform smoke exhausting method used with screen door system compatibly |
| 06/27/2012 | CN102518461A Coal mine low-post secondary heat energy resource comprehension utilization system |
| 06/27/2012 | CN102516689A Conductive film for coal mine ventilation tube |
| 06/27/2012 | CN101943017B Air distributing device and coal mine comprehensive digging working surface air distributing and dust reducing system |
| 06/21/2012 | DE102010061276A1 Entlüftungsvorrichtung Venting device |
| 06/20/2012 | EP2466067A2 Ventilation device |
| 06/20/2012 | CN202281419U 矿井乏风余热利用装置 VAM heat recovery unit |
| 06/20/2012 | CN202280472U 一种集风进气装置 A set of air intake device |
| 06/20/2012 | CN202280471U 一种多向通风控制阀 A multi-control valve to ventilate |
| 06/20/2012 | CN202280470U 铁制分风器 Iron air distribution device |
| 06/20/2012 | CN202280345U 一种工作面反向风门的防突插板闭锁装置 An inverse damper flapper outburst prevention locking device Face |
| 06/20/2012 | CN102505955A Multifunctional urban traffic tunnel fire disaster fume diffusion model device |
| 06/20/2012 | CN102505954A Mobile chemical-degradation ventilator for tunnels |
| 06/20/2012 | CN102505953A Air purifier for removing harmful gas and dust in long tunnel |
| 06/20/2012 | CN102505952A Method for clearing harmful gas and dust in long tunnel |
| 06/13/2012 | CN202273698U 矿用回风立井侧翻式防爆盖 Rollover mine return air shaft explosion-proof cover |
| 06/13/2012 | CN202273697U 吊桶式风门连锁装置 Bucket-type throttle interlock |
| 06/13/2012 | CN202273696U 一种采矿用柔性风管 One kind of mining with flexible duct |
| 06/13/2012 | CN102494435A Connecting device for mine return air heat exchanger and diffusion tower |
| 06/13/2012 | CN102493828A Ventilation system and method for tunnel construction |
| 06/07/2012 | WO2012071662A1 Coupling for ventilation assembly |
| 06/06/2012 | CN202266290U 一种风门联锁装置 One kind of damper interlock device |
| 06/06/2012 | CN202266289U 筒式分体蜂窝线型分风器 Drum split linear sub-cellular air filter |
| 06/06/2012 | CN102486094A Dry-type side-by-side explosion-proof cover |
| 05/31/2012 | WO2012068628A1 System and apparatus for connecting a gas source to a thermal oxidiser |