exhauster

1. (automotive) Exhaust system.Examples: "There is, however, another inconvenience which can only be remedied by the use of a second exhauster, viz., the loss of pressure after the passage of the gas through the washer--a loss resulting from the obstacle presented by this appliance to the steady flow of the gas."; "The Westinghouse type CM.38 air compressor is mounted under the main frame and the Northey rotary type exhausters are fitted one on each side of the platform at No. 1 end; [...]."