Definition of air curtain in English English dictionary
A component on a compressed air line that provides wide are coverage with a thin sheet of air Also amplifies compressed air flow, reduces noise Used in blowing, cooling Also known as air knife (099)
A system in which a blower is activated when a door is opened to blow across the open area, preventing the transfer of air between outdoors and indoors
A stream of air used in food retailing establishments as a barrier to prevent the loss of heat of cold to the surrounding air Used over some refrigerated or freezer cases as well as between some back rooms, etc
A method of containing oil spills Air bubbling through a perforated pipe causes an upward water flow that slows the spread of oil It can also be used to stop fish from entering polluted water