Electrical machine having a cooling jacket

Details Electrical machine having a cooling jacket Electrical machine having a cooling jacket

2006-10-27

2010-06-29

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S052000, C310S064000

Reexamination Certificate

active

07745965

ABSTRACT:
In order to improve the cooling of an electrical machine, the invention proposes an electrical machine having a stator (4) and a rotor, wherein the stator (4) has a cooling jacket (10) over at least part of the stator (4), wherein the cooling jacket (10) has a motor jacket (3) surrounding the stator (4) and an outer jacket (1), at least sections of which are spaced apart from said motor jacket (3), and a hollow helix (2) is arranged in the section between the motor jacket (3) and the outer jacket (1) and has a predeterminable pitch (12), and wherein the inlet (7) and the outlet (6) of this cooling jacket (10) are located substantially on an axial plane of the electrical machine.

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patent: WO 02/095901 (2002-11-01), None
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