air door

At present, air door or baffle plate is popularly used as a method in determining the technical performance of main fan in underground mines, by which the optional operating point of the fan is adjusted through adjustment of flow.

在对矿井通风机技术性能测试时，目前普遍采用风门法和板阻法来调节风量，进而调节风机的工况点。

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The door leaves of the sliding air door are changed into the form of sliding opening and closing from the prior flat opening.

本实用新型的门扇由目前的平开改为推拉开闭。

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The Study and Application of the Modifying Character for PVC Plastic Air Door

改性PVC塑料风门的研制与应用

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Air freight service: air to air or sea to air, door to door services.

空运服务: 空空联运及海空联运, 门到门的一条龙服务.

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Research on Application of Balance Air Door in Mechanical-natural Alternative Ventilation System

机械-自然交替通风系统中平衡风门的应用研究

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Improvement of High Pressure Hot Air Door

Air（初三适用）高压热风门的改进

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Stepped control was applied to the regulation on fan speeds and the angle of air door.

汽车空调车内送风系统的风机转速控制和风门转角控制多采用分档控制的形式.

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Provide express and air door to door service.

提供速递和空运门到门的服务.

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Principle and application of double-wing overload prevention automatic control air door

双翼防过载自控风门的原理和应用

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Meanwhile, the formula for the balance air door design was deduced by theoretical analysis.

同时，通过理论分析导出了平衡风门的设计公式。

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Development and Application of Electric Air Door in Underground mine

煤矿井下电动风门的研制及应用

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AirFreight airfreight service offers scheduled consolidation services, or direct air carrier, airport-to-airport and door-to-door delivery features.

非达急便提供之空运服务包括有机场到机场,以及户对户送货服务.

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The retractable air door has no deformation when the downhole pressure of a coal mine changes.

它是一种在煤矿井下压力出现变化时不变形的可缩性风门。

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The wire harness circuits for the heater-A/ C control or the blend air door actuator. Easy design method for electric circuitry of sequential operating with several cylinders

空调暖气控制或混气门引动器线束电路。多气缸顺序动作电气控制回路的简便设计方法

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The utility model relates to a mining device, in particular to a mine underground air door anti-collision device.

本实用新型涉及一种矿用装置，具体是一种矿井井下风门防撞装置。

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Checking every air door base by using leak tester.

使用测漏仪检查气门座圈焊接是否完好，是否有裂痕。

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The utility model discloses a coal mine deformation-resistant air door, which has long service life and can reduce the production cost of enterprises.

本实用新型公开了一种延长使用寿命，降低企业生产成本的煤矿耐变形风门。

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Development and Application of Hydraulic Automatic Air Door

液压自动风门的研制与应用

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Comprehensive Prevention Technology on Rock Burst and Gas Outburst in Deep Well Driving Numerical simulation of outburst prevention air door destruction by coal and gas outbursts

煤与瓦斯突出后对防突风门破坏的数值模拟

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The door body of the ore mine overhead crane air door is also provided with a small air door.

该矿井行车风门的门体上还可设有小风门。

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Reformation of Air Door in 1# Fan Drift

1风井风门漏风改造

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Rotate and tilt the vacuum actuator as required to disengage the hole on the end of the actuator link from the hooked pin on the end of the recirculation air door lever.

视需要旋转并将真空引动器倾斜以放松循环空气门连杆末端上的勾销放松引动器连接末端上的孔。

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In combination with the project of the ventilation system transformation, the working principle of the balance air door in the mechanical-natural alternative ventilation system and the stress of the door were studied.

结合某黄金矿山通风系统的改造课题，分析了机械-自然交替通风系统中平衡风门的工作原理，研究了门扇的受力状况。

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The utility model relates to a pneumatic actuator for the smoke baffle belonging to a pneumatic actuator for the common devices of secondary air door control of boilers in power plants.

一种烟气档板气动执行机构，属于发电厂锅炉二次风门控制常用装置气动执行机构。

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When calculating the quantity of air infiltration by a shield door, on the method, the whole dynamical process is realized which the train is gradually stoped from operating and then the shield door is opened.

在计算屏蔽门的漏风量时，在方法上实现了列车从运行到停靠再到屏蔽门打开的整个动态过程。

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The utility model relates to an exhaust duct that prevents head wind, especially to a movable air discharging door type one-way air exhaust device.

本实用新型涉及一种防逆风排风管，特别是涉及一种活动排风门式的单向排风装置。

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A high performace thermoplastic elastomer with high modulus, suited for air bag door applications.

高性能热塑性弹性体具有高模量, 适合气囊门应用.

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The air door is mainly used for coal mine under-well production.

本实用新型主要用于煤矿井下的生产。

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In dusk for photosynthesis of colony descended and closing the air door, CO_2 concentration rising in small degree.

傍晚由于群体光合作用降低，加上放风结束，CO2浓度又有小幅度的回升。

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Chain and Giving an Alarm of Coal Underground Air Door

煤矿井下风门的连锁与报警

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