air-exhaust ventilator

air-exhaust ventilator

[′er ig′zȯst ′ven·tə‚lād·ər]
(mechanical engineering)
Any air-exhaust unit used to carry away dirt particles, odors, or fumes.

air-exhaust ventilator

1. An air-exhaust unit used to carry away odors and fumes from a stove, griddle, etc.; may contain a grease-extracting device or an air filter; sometimes includes a fire-extinguishing device.
2. Any air-exhaust unit used to carry away dirt particles, odors, or fumes (as in an industrial plant); the ventilator may be mechanically actuated or of the gravity type.