Electromotor and driving axle with a built-in electromotor

Details Electromotor and driving axle with a built-in electromotor Electromotor and driving axle with a built-in electromotor

2005-01-04

2005-01-04

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S089000, C310S090000

Reexamination Certificate

active

06838793

ABSTRACT:
The invention relates to an electromotor comprising a housing (5) which consists of a ferromagnetic material and a rotationally driven shaft (13) which is located in said housing (5). Said housing comprises at least one bearing shield (25), with a bearing (31) for the shaft (13). The bearing (31) has sensor means (33) for determining the state of rotation of the shaft (13). According to the invention, the bearing (31) is accommodated in a screening bushing (35) which is located in a bearing receiving opening (29) of the bearing shield (25) and which consists of a non-ferromagnetic material. A cover bushing (37) consisting of ferromagnetic material which is connected to the bearing shield (25) and which surrounds the shaft (13) is provided, and surrounds the bearing (31) and the screening bushing (35) on the inside of the housing.

REFERENCES:
patent: 3826933 (1974-07-01), Anselmino
patent: 5920134 (1999-07-01), Mayer et al.
patent: 5998894 (1999-12-01), Raad
patent: 6043643 (2000-03-01), Message et al.
patent: 6225715 (2001-05-01), Hoda et al.
patent: 196 14216 (1997-03-01), None
patent: 198 40 006 (2000-02-01), None
patent: WO 0006483 (2000-02-01), None
German Search Report for German basic application dated Mar. 22, 2001.
JP 622225909 A., In: Patent Abstracts of Japan dated Oct. 3, 1987.
International Preliminary Examination Report dated Apr. 2, 2003.

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