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.
References in periodicals archive ?
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.
For the most part, 762-mm (30-in) diameter circular ducts constructed from 20-ga galvanized steel were used to connect the nozzle chamber to the auxiliary fan.
More user-friendly, the controls also allows the climate in the back to be adjusted thanks to an auxiliary fan.
With liquid cooling and a thermostatically controlled auxiliary fan, the H1 engine delivers consistent operation in all conditions.
Tenders are invited for Shifting of auxiliary fan along with air duct in panel no kcn-4 of seam c at kapildhara ug mine of hasdeo area
The auxiliary fan generated high sound levels at some frequencies, which made some data points unusable.
Tenders are invited for Shifting of auxiliary fan with air duct in all working district at Baherabandh UG Mine of Hasdeo Area.
Tenders are invited for Supply Of High Capacity Auxiliary Fan
Tenders are invited for Repairing Of Inter Locking Of 20 Hp Dol Starter Mine Line Make Type Flp Acb 550V For Auxiliary Fan In Ug Of Benidih Of Phularitand Colliery, Barora Area.
Tenders are invited for Shifting of auxiliary fan along with air duct in -40 rise west Dev panel of seam C at Kurja UG mine of Hasdeo Area.
Tenders are invited for Shifting of auxiliary fan along with air duct in -34 rise west development panel of seam c at kurja sheetaldhara ug mine of hasdeo area.
Tenders are invited for Transportation Of Getan Box, Main Switches, Face Pump, Haulage Pulley, Transformer And Auxiliary Fan At 65L East Section In L.

Full browser ?