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US 2014/0044574 A1Published application
Scroll compression device
AssigneeSanyo Electric Co., Ltd.
InventorsSatoshi Iitsuka, Tsutomu Kon, Kazuyoshi Sugimoto, Yoshihiko Nagase
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AssigneeSanyo Electric Co., Ltd.
InventorsSatoshi Iitsuka, Tsutomu Kon, Kazuyoshi Sugimoto, Yoshihiko Nagase
Estimating the term…
A scroll compression device that is adaptable to a larger elimination capacity by using a balancer of magnetic material is provided. A scroll compression mechanism 11 for compressing refrigerant and a driving motor 13 that is connected to the scroll compression mechanism 11 through a driving shaft 15 and drives the scroll compression mechanism 11 are accommodated in a casing 3, the scroll compression mechanism 11 is supported in the casing by a main frame 21, a rotor 39 of the driving motor 13 is connected to the driving shaft 15, the driving shaft 15 is supported in the casing by a bearing plate 8, an upper balancer 63 of magnetic material is secured onto the shaft above the stator 37 of the driving shaft 15, a lower balancer 77 of non-magnetic material is secured to the lower end of the rotor 39, and an auxiliary balancer 64 of non-magnetic material is secured in the gap between the upper end of the rotor 39 and the upper balancer 63.
A scroll compression device, characterized in that a scroll compression mechanism for compressing refrigerant and a driving motor that is connected to the scroll compression mechanism through a driving shaft and drives the scroll compression mechanism are accommodated in a casing, the scroll compression mechanism is supported in the casing by a main frame, a stator of the driving motor is directly or indirectly supported in the casing, the driving shaft is connected to a rotor of the driving motor and the driving shaft is supported in the casing by a bearing plate, an upper balancer formed of magnetic material is secured onto the shaft above the stator of the driving shaft, a lower balancer formed of non-magnetic material is secured to a lower end of the rotor, and an auxiliary balancer formed of non-magnetic material is secured in a gap between an upper end of the rotor and the upper balancer.
Dependencies are inferred from the claim text.