Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21F - Safety devices, transport, filling-up, rescue, ventilation, or drainage in or of mines or tunnels › E21F 1 - Ventilation of mines or tunnels; Distribution of ventilating currents
Patents for E21F 1 - Ventilation of mines or tunnels; Distribution of ventilating currents (2,288)
08/2014
08/13/2014CN203769825U 附壁风筒 Mural hairdryer
08/13/2014CN203769824U 一种隧道内多施工掌子面供风系统 Construction of a tunnel inside the tunnel face more air supply system
08/13/2014CN102644472B 矿井空气品质综合指数与通风节能联动系统 Mine ventilation air quality index and energy-linkage system
08/13/2014CN101550839B 公路隧道机械分散排风装置 Mechanical dispersion highway tunnel ventilation devices
08/12/2014US8801510 Inflatable ventilation life curtain
08/06/2014CN203756571U 煤矿地面主扇风机智能变频节能控制装置 Mine main fan ground intelligent frequency energy control devices
08/06/2014CN203756563U 煤矿用可拆卸式塑料结构局部通风机 Mine removable plastic structure local fan
08/06/2014CN203756215U 一种矿用数字化自动复位防爆盖 Ore with a digital automatic reset proof cover
08/06/2014CN203756214U 一种煤矿远程自动密闭系统 One kind of automatic remote mines closed system
08/06/2014CN203756213U 矿用通风降温装置 Mine ventilation and cooling equipment
07/2014
07/30/2014CN203743472U 风井组集水井水力联通阀装置 Air Shaft group sump hydraulic valve device Unicom
07/30/2014CN203743031U 煤矿智能化局部通风系统 Mine intelligent local ventilation systems
07/30/2014CN203742652U 煤矿井下通风降温装置 Underground mine ventilation and cooling equipment
07/30/2014CN203742650U 巷道自动伸缩门 Roadway automatic retractable door
07/30/2014CN203742649U 一种井下水沟防逆风装置 A downhole device ditch anti headwind
07/30/2014CN203742648U 巷道风门开启泄压联动装置 Roadway open throttle linkage relief
07/30/2014CN203742647U 一种隧道通风模型的可调节横通道 A tunneling model adjustable cross ventilation channel
07/30/2014CN203742646U 一种双洞互补式通风隧道模型的可调节送风口 A two-hole complementarity ventilation tunnel model can be adjusted outlet
07/30/2014CN103953382A 泄压式自动复位风井防爆盖 Relief wells automatic reset wind-proof cover
07/30/2014CN103953381A 一种全自动智能化安全联锁风门系统 A fully automated intelligent throttle safety interlock system
07/30/2014CN103953380A 柔性抗冲击塑料风筒涂覆布 Impact of flexible plastic coated cloth duct
07/30/2014CN103953379A 强力塑料风筒涂覆布 Strong plastic coated cloth duct
07/30/2014CN103953378A 一种高温矿井通风方法 A high-temperature method for mine ventilation
07/30/2014CN103953377A 一种高温矿井采区通风方法 A high-temperature method in Mine Ventilation
07/24/2014WO2014111679A1 Energy-efficient tunnel ventilation device
07/23/2014CN203730045U 井下巷道风门互锁装置 Underground tunnel throttle interlock device
07/23/2014CN203730044U 风门闭锁装置 Throttle locking device
07/23/2014CN203730043U 具有报警指示功能的风门联锁装置 Throttle interlock device with alarm indication function
07/23/2014CN203730042U 一种管式井下通风装置 A pipe-type underground ventilation system
07/23/2014CN203730041U 一种悬吊式风桥 One kind of suspended air bridge
07/23/2014CN203730040U 用于地下管道安全的通风显示装置 Ventilation for underground pipeline safety display device
07/23/2014CN103939125A 一种采空区热风治理方法 An empty hot air treatment method adopted
07/23/2014CN103939124A 一种水下单管双层盾构交通隧道通风排烟与疏散系统 Underwater single-tube double shield traffic tunnel ventilation and smoke evacuation system
07/23/2014CN103939123A 一种矿井通风系统的状态识别方法 A state of mine ventilation system identification methods
07/23/2014CN103939122A 一种大直径深立井掘进面侧送风方法 One kind of large-diameter deep mine shaft excavation side blowing method
07/23/2014CN103938942A 一种风门闭锁装置 One kind of damper locking device
07/16/2014CN203719244U 一种矿井回风余热回收装置 Return air heat recovery unit in mine
07/16/2014CN203717014U 一种新型回风立井防爆装置 A new return air shaft explosion-proof equipment
07/16/2014CN203717013U 可自动控制的气动无压平衡风门 Can be automatically controlled pneumatic dampers without pressure balance
07/16/2014CN203717012U 风筒调节器 Duct regulator
07/16/2014CN203717011U 一种充分利用矿井回风余热的装置 An adequate return air mine waste heat utilization device
07/16/2014CN103924998A 正压风管路放水排垢装置 Positive pressure air duct drainage discharge scale devices
07/16/2014CN102650214B 矿井通风系统在线监测及分析预警方法及系统 Mine ventilation system online monitoring and early-warning method and system analysis
07/16/2014CN101721874B 一种用于隧道的废气净化系统 An exhaust gas purification system for tunnels
07/09/2014CN203702224U 防爆井盖装置 Explosion-proof covers device
07/09/2014CN203702223U 皮带过风门墙控风装置 Wind belt through the damper control device wall
07/09/2014CN203702222U 卡轨气动式风门联锁防撞装置 Rail crash pneumatic throttle interlock device
07/09/2014CN203702221U 一种巷道风墙 One kind of wind tunnel wall
07/09/2014CN203702220U 一种太阳能加热驱动隧道通风装置 A solar heating drive tunnel ventilation
07/09/2014CN203702219U 一种风筒接口固定装置 One kind of duct interface fixtures
07/09/2014CN203702218U 一种风峒风量实时计量显示装置安装结构 A wind cave air volume in real-time metering display device mounting structure
07/09/2014CN203702217U 一种充填式排风-水热湿直接换热器 One kind of filling Exhaust - water direct heat and moisture exchanger
07/09/2014CN203702179U 带通风管道的单线隧道衬砌台车 Single track tunnel with a ventilation pipe lining trolley
07/09/2014CN103914021A 一种矿山通风机在线监控装置 One kind of mine ventilator-line monitoring devices
07/09/2014CN103912300A 附壁风筒 Mural hairdryer
07/02/2014CN203685292U 防爆门 Explosion-proof doors
07/02/2014CN203685255U 矿用风门电磁闭锁装置 Mine throttle electromagnetic locking device
07/02/2014CN203685254U 矿用抑尘风门 Mine Dust throttle
07/02/2014CN203685253U 远程智能化调节风窗 Remote intelligent regulation Windshield
07/02/2014CN203685252U 正反联动电动风门 Positive and negative electric throttle linkage
07/02/2014CN203685251U 一种风门 One kind of damper
07/02/2014CN203685250U 一种煤矿风井口倒机风门 One kind of coal wind wellhead throttle down the machine
07/02/2014CN203685249U 一种隧道通风系统 A tunneling ventilation systems
07/02/2014CN203685248U 一种瓦斯隧道混合式通风系统 One kind of hybrid gas tunnel ventilation systems
07/02/2014CN103899345A 一种便携式换风井盖 A portable covers for the wind
07/02/2014CN102748058B 一种通风亭防护窗遭到破坏后自动锁井的装置 An airy pavilion proof windows were destroyed automatically lock the device after Wells
07/02/2014CN102635385B 一种测试曲线隧道通风沿程摩擦阻力系数的模拟试验装置 A simulation test device along the curve tunnel ventilation friction coefficient test
06/2014
06/26/2014WO2014095504A1 Method and system for fluid flow control in a fluid network system
06/25/2014EP2746888A1 Method and system for fluid flow control in a fluid network system
06/25/2014CN203670253U 局部通风机监控系统 Local fan monitoring system
06/25/2014CN203669910U 一种防爆井盖 One kind of explosion-proof covers
06/25/2014CN203669909U 煤矿风门机械自动闭锁装置 Mine damper mechanical automatic locking device
06/25/2014CN203669908U 高刚度轻型矿用风门 Lightweight high stiffness mining throttle
06/25/2014CN103883351A 矿井综合在线监测系统 Mine Comprehensive Monitoring System
06/25/2014CN103883344A 侧向式隧道风机架设装置 Lateral tunnel fan mount devices
06/25/2014CN103883343A 基于动叶可调的煤矿主通风机不停风倒机方法 Adjustable bucket Mine Main method based on non-stop wind down machine
06/18/2014CN203655338U 一种风门保护连锁罐档装置 One kind of jar files throttle linkage protection device
06/18/2014CN203655337U 一种风门闭锁装置 One kind of damper locking device
06/18/2014CN102777201B Ventilation method for exploiting short distance coal bed in fire zone based on positive pressure ventilation system
06/11/2014CN203640759U 一种矿井排风热回收的节水降阻喷淋装置 A reduction in resistance of water-saving sprinkler mine ventilation heat recovery
06/11/2014CN203640758U 一种矿用空气幕自动调节装置 Ore air curtain automatic adjustment device
06/11/2014CN203640757U 一种风门与挡车器联锁控制装置 One kind of throttle control and block cars interlock device
06/11/2014CN203640756U 煤矿用倾斜巷自动风门 Automatic throttle mine inclined roadway
06/11/2014CN203640755U 一种矿用平衡风门联锁装置 Ore with balancing damper interlock device
06/11/2014CN203640754U 煤矿混合资源综合开采系统 Hybrid integrated coal mining system resources
06/11/2014CN102704980B Tunnel cavity separated roadway ventilation method
06/05/2014WO2014084488A1 Micro-pressure wave reduction device for railroad tunnels, and micro-pressure wave reduction hood including same
06/04/2014CN203626873U 矿用剪叉式智能平移自动控制风门 Mine Scissor intelligent automatic control throttle translation
06/04/2014CN103838197A Ventilation equipment coordination control system for tunnel construction
06/04/2014CN103836001A Axial flow type mine ventilator
06/04/2014CN103835746A Electricity consumption manager of tunnel ventilation equipment
06/04/2014CN103835745A Air supply parameter self-adjustment system based on real-time monitoring of tunneling schedule of tunnel face
06/04/2014CN103835744A Integrated supervision and control system of tunnel ventilation equipment
06/04/2014CN103835743A Ventilation control system for tunnel face
05/2014
05/28/2014CN203614441U 通风机用隔爆兼本质安全型双变频双电源调速装置 Fan flameproof and intrinsically safe dual-frequency dual power control devices
05/28/2014CN203614119U 一种便于调节风窗 An easy adjustment Windshield
05/28/2014CN103821955A 风井组集水井水力联通阀装置 Air Shaft group sump hydraulic valve device Unicom
05/28/2014CN103821770A 一种可移动电缆隧道通风机 Removable, cable tunnel fan
05/28/2014CN103821768A 可移动电缆隧道通风机 Removable cable tunnel fan
05/28/2014CN103821550A 矿井主扇多层喇叭形通风扩散器 Multilayer horn mine main fan ventilation diffusers
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