air door


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air door

[′er ‚dȯr]
(mining engineering)
A door placed in a mine roadway to prevent the passage of air.

air curtain

air curtain or air door
A stream of high-velocity temperature-controlled air which is directed downward, across an opening; excludes insects, exterior drafts, etc.; prevents the transfer of heat across it, and makes it possible to air-condition a space having an open entrance; used in exterior doors, on loading platforms, etc.
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The five killed in the Basra helicopter tragedy on Saturday were, from left, Wing Commander John Coxen, Lieutenant Commander Darren Chapman, Flight Lieutenant Sarah-Jayne Mulvihill, Captain David Dobson and Air Door Gunner Paul Collins
With the addition of HCR air door products, Jamison now offers all possible cold storage door solutions, making Jamison Door Company the world's largest manufacturer of cold storage doors.
The auto penguin steam cleaner is an invaluable cleaning air door the modern home.
ASI Technologies, an industry leader in custom door design, introduces its newest product, the AirSeal Air Door.
Ten-year-old Billy looks a wretched site, almost cowering on the ground by an air door he opens to prevent gas collecting and causing an explosion.
One success story was the redesign of the ram air door assembly on the MD-11, the company's 300-seat airliner.
Lewistown, Montana, a pioneer in air door technology for the cold storage and grocery distribution industries.
Company offers the "invisible" AirSeal[TM] air door that offers no damage, no downtime due to forklift impacts, no waiting and virtually no maintenance.
With virtually no energy loss, maintenance or downtime, the AirSeal[TM] Air Door creates an invisible barrier utilizing high velocity laminar airflow to maintain dual climates, keeping a facility's cold side cold and warm side warm.
The system can display the entire mine layout in three dimensions, including working faces, bunkers, production districts, drivages, telephone points, measuring instruments, airflow directions and air doors.
Men were not given enough timber to support the roof or air doors to divert ventilation and prevent it going into old workings and pushing out gases, said Mr Lawrence.