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1. NZ765280 - VACUUM PUMP EXHAUST PIPE MUFFLER AND REFRIGERATOR HAVING SAME

Office
Nouvelle-Zélande
Numéro de la demande 765280
Date de la demande 10.06.2020
Numéro de publication 765280
Date de publication 26.06.2020
Type de publication A1
CIB
F04B 39/00
FMÉCANIQUE; ÉCLAIRAGE; CHAUFFAGE; ARMEMENT; SAUTAGE
04"MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES À LIQUIDES OU À FLUIDES COMPRESSIBLES
B"MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES
39Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes F04B25/-F04B37/210
F24F 13/24
FMÉCANIQUE; ÉCLAIRAGE; CHAUFFAGE; ARMEMENT; SAUTAGE
24CHAUFFAGE; FOURNEAUX; VENTILATION
FCONDITIONNEMENT DE L'AIR; HUMIDIFICATION DE L'AIR; VENTILATION; UTILISATION DE COURANTS D'AIR COMME ÉCRANS
13Détails communs ou relatifs au conditionnement de l'air, à l'humidification de l'air, à la ventilation ou à l'utilisation de courants d'air comme écrans
24Moyens pour éviter ou supprimer le bruit
Déposants QINGDAO HAIER CO., LTD.
Inventeurs ZHANG, Hao
YANG, Chun
XIA, Enpin
CHEN, Jianquan
Mandataires Shelston IP Pty Ltd
Données relatives à la priorité 201711311262.X 11.12.2017 CN
Titre
(EN) VACUUM PUMP EXHAUST PIPE MUFFLER AND REFRIGERATOR HAVING SAME
Abrégé
(EN)
Provided is a silencer (300), comprising a hollow cavity jointly enclosed by a first bottom face (310), a second bottom face (320) and a side wall (330), wherein the side wall (330) is connected to the first bottom face (310) and the second bottom face (320); one end of the silencer (300) is provided with an air inlet (340), and the other opposite end is provided with an air outlet (350); the cavity is divided into a plurality of chambers in an axial direction, the chambers comprising a first chamber (361) adjacent to the first bottom face (310), a second chamber (363) adjacent to the second bottom face (320), and a middle chamber (362) located between the first chamber (361) and the second chamber (363); the air inlet (340) is in air communication with the middle chamber (362); the middle chamber (362) is in air communication with the second chamber (363); the first chamber (361) is in air communication with the second chamber (363); and the air outlet (350) is in air communication with the first chamber (361). The silencer (300) further comprises a first guide pipe (371), a second guide pipe (372), a third guide pipe (373) and a fourth guide pipe (374), wherein the air inlet (340) is in communication with the middle chamber (362) via the first guide pipe (371), the middle chamber (362) is in communication with the second chamber (363) via the second guide pipe (372), the first chamber (361) is in communication with the second chamber (363) via the third guide pipe (373), and the first chamber (361) is in communication with the air outlet (350) via the fourth guide pipe (374); and the first guide pipe (371), the second guide pipe (372), the third guide pipe (373) and the fourth guide pipe (374) are configured to be successively arranged in the direction of an air path.