auxiliary fan

auxiliary fan

[ȯg′zil·yə·rē ′fan]
(mining engineering)
A small fan installed underground for ventilating narrow coal drivages or hard headings which are not ventilated by the normal air current.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The CS690 has best-in-class performance (with Anti-Slip Regulation traction control, next-generation ProDrive'" transmission, new CommandCenter." touchscreen display, and 500 hp from a new Final Tier IV 13.5 L engine) and uptime (with enhanced hydraulic oil service intervals and a dedicated auxiliary fan).
Depending on one's age and location, others less so--such as the John Howard Ladies' Auxiliary Fan Club, the Sydney House of the Order of Perpetual Indulgence, the anti-uranium and land rights activist, 'Uncle' Kevin Buzzacott, or BUGA-UP, a group of well-organised after-dark graffitists who altered billboards that advertised cigarettes, beauty aids and McDonalds.
Because of the layout of the laboratory, a rather tortuous path was required to connect the outlet of the nozzle chamber to the auxiliary fan; this is illustrated schematically in Figure 6.
This is designed to provide more cooling for the engine, eliminating the need for an auxiliary fan, which can increase emitted noise.
More user-friendly, the controls also allows the climate in the back to be adjusted thanks to an auxiliary fan.
The auxiliary fan generated high sound levels at some frequencies, which made some data points unusable.
These include a new boom design with side stops; heavy reinforcements of the bogie; an autolube system; paint-on grip tread to reduce slips and falls during maintenance checks or repair work; a heavy duty auxiliary fan motor; an isolated transverter; remote diagnostic pressure taps; a bolt-on battery box; raised air intake; improved fuel filter access; larger wear bars around the engine tub; and smaller, higher output batteries.

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