A transport refrigeration unit (TRU) is provided and includes a power generation unit, a catalytic element, an exhaust pipe, first and second tubular elements fluidly interposed between the power generation unit and the catalytic element and between the catalytic element and the exhaust pipe, respectively, at least one of first and second throttle valves and a control system. The at least one of first and second throttle valves are operably disposed to control fluid flows in the first and second tubular elements, respectively. The control system is configured to control the power generation unit and the at least one of the first and second throttle valves to effect the sound produced by the TRU.
TRANSPORT REFRIGERATION UNIT EXHAUST SYSTEM MANAGEMENT FOR LOW NOISE EMISSIONS
2021-07-29
Patent
Electronic Resource
English
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
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