Fan duct with downstream edge shaped for noise reduction
Номер патента: EP2715148A1
Опубликовано: 09-04-2014
Автор(ы): F. Raymond Cote, Mark D. Caplan, Mark L. Bilodeau, Robert J. Van Houten
Принадлежит: ROBERT BOSCH GMBH
Опубликовано: 09-04-2014
Автор(ы): F. Raymond Cote, Mark D. Caplan, Mark L. Bilodeau, Robert J. Van Houten
Принадлежит: ROBERT BOSCH GMBH
Реферат: Internal combustion engine cooling fan located inside a stationary cylindrical shroud (barrel), wherein the fan central part is fixed to the shroud by radial ribs (spokes), and wherein the trailing edge of the cylindrical shroud has an axial position which varies along the circumference. For noise reduction.
Noise reduction device for outlet side of fan and heat exchange system including the same
Номер патента: EP3945219A1. Автор: Xin Cheng,Haijun Li,Yuling SHI,Junjie Ji. Владелец: Carrier Corp. Дата публикации: 2022-02-02.