Electric machine, especially a generator for motor vehicles

Details Electric machine, especially a generator for motor vehicles Electric machine, especially a generator for motor vehicles

2005-05-31

2005-05-31

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S058000

Reexamination Certificate

active

06900561

ABSTRACT:
An electric machine, particularly a generator for motor vehicles, includes a housing and a casing enclosing the housing concentrically, the casing, together with the housing, bounding an annular space that is sealed in a fluid-tight manner and is connected to a coolant outflow and a coolant inflow. To achieve a uniform circumflow of the housing with sufficient cooling capacity, even given low volumetric flow of the coolant, a plurality of axial guide bars are arranged in the annular space, so that the coolant restrictedly flows in an axially wide-strip manner through the annular space within space segments arranged in a row in the circumferential direction, with an opposing flow direction in successive space segments.

REFERENCES:
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patent: 6740993 (2004-05-01), Greubel et al.
patent: 196 24 519 (1998-01-01), None
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patent: 8 204 663 (1984-07-01), None

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