booster fan

booster fan

[′büs·tər ‚fan]
(mechanical engineering)
A fan used to increase either the total pressure or the volume of flow.

booster fan

An auxiliary fan which increases the air pressure in a system; used to provide additional capability to handle peak exhaust (or supply) loads in an air-conditioned space such as a theater lobby; also used to supply air to furnaces.
References in periodicals archive ?
Tenders Are Invited For Plummer Block Required For Producer Gas Booster Fan In The Pg Plant/Gas Services (E Tender)
PUT IN A DUCT BOOSTER FAN TO IMPROVE HEATING AND COOLING
For example, one of the major pieces on show is a life-size sculpture of a booster fan used to push fresh air into mines, covered in the floral patterned fabric worn by the 1972 National Coal Queen.
Each chamber had a booster fan controlled by a variable speed drive (VSD).
The first motor to be installed is a 6,150kW, 10-pole, 11kV unit used to drive the booster fan on the FGD plant.
If you cannot avoid a long duct run, get a larger fan or install a booster fan to compensate for the added static pressure.
Among the early problems these engineers have flagged: Retrofit applications add load to the fans, so pool operators will need to either add horsepower or purchase a booster fan.
There is one young Somerset kid, a huge Rooster Booster fan, who was badly injured when run over by a car and confined to a wheelchair - apparently the sight of his face lighting up when his Dad puts him on the old warrior's back for a walk round the yard is something all the millions won and lost over Rooster's long and life-enriching career could never begin to buy.
Also, a booster fan and large spark trap box would be added, and the baghouse would be modified for fire protection.
A variable frequency drive is used to balance the volume through the booster fan with the demand from the underground fans.
Twelve minutes prior to this, the 3800 stairway booster fan had lost power.
When used as a register booster fan, the three-speed ComfortGeni improves the central heating and cooling in that room.