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Electric machine

A shell and partition wall technology, applied in electrical components, electromechanical devices, electric components, etc., can solve the problems of reduced motor service life and insufficient use of motor working power.

Active Publication Date: 2013-12-18
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to this situation, the operating power of the motor determined by the structure is often not fully utilized
In addition, the service life of the motor is reduced
A rule of thumb states that a 10 Kelvin increase in temperature results in a 50% reduction in motor life

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0050] according to Figures 1 to 3 , the motor has a housing 1 . A stator 2 is arranged in the housing 1 . Furthermore, the rotor 3 is accommodated in the housing 1 . The rotor 3 is rotatable about an axis of rotation 4 .

[0051] Seen in the direction of the rotating shaft 4 , the housing 1 extends from the front end 5 to the rear end 6 . according to figure 1In the description, the front end 5 of the housing 1 is the drive side end of the motor, and the rear end 6 is the operation side end of the motor. However this is not critical to the invention. This is also interchangeable.

[0052] The housing 1 has a front air intake 7 , a rear air intake 8 and an air outlet 9 on the top side. The front air inlet is arranged near the front end 5 , and the rear air inlet 8 is arranged near the rear end 6 . The air outlet 9 is arranged between the two air inlets 7 , 8 .

[0053] The motor has a front air supply 10 and a rear air supply 11 . With the aid of the front air suppl...

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PUM

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Abstract

The invention relates to an electric machine comprising a housing (1) in which a stator (2) is arranged and a rotor (3) is rotationally supported about an axis of rotation (4). The housing (1) extends in the direction of the axis of rotation (4) as seen from a front end (5) toward a rear end (6). Said housing comprises a front / rear air inlet opening (7,8) on a top face in the vicinity of the front / rear end (5,6) and an air outlet opening (9) therebetween. The electric machine comprises a front / rear air conveying element (10, 11) by means of which air is drawn into the air inlet openings (7,8) and discharged from the air outlet opening (9) during operation.; An auxiliary cooler (13) is mounted on the top face of the housing (1), covering the air inlet openings (7,8) and the air outlet opening (9) in a hood-like manner, such that the air discharged at the air outlet opening (9) is fed back to the air inlet openings (7,8). The auxiliary cooler (13) comprises a front / rear auxiliary partition (16,17), which is arranged between the air outlet opening (9) and the corresponding air inlet opening (7,8) and extends upward from the top face of the housing (1). Air guiding elements (22 to 24, 27 to 29) are arranged in the housing (1) and / or in the auxiliary cooler (13), by means of which the air discharged at the region of the air outlet opening (9) facing the respective air inlet opening (7,8) is fed at least partially to the respective other air inlet opening (8,7).

Description

technical field [0001] The invention relates to a motor, [0002] - wherein the electric machine has a housing in which a stator is arranged and in which housing a rotor is supported rotatably about an axis of rotation, [0003] - where viewed in the direction of the rotating shaft, the housing extends from the front end to the rear end, [0004] - wherein the housing has, on the top side, a front air intake near the front end, a rear air intake near the rear end and an air outlet in between, [0005] - where the motor has a front air supply and a rear air supply, by means of which air is sucked in at the front and rear air intakes and discharged at the air outlet when the motor is running, [0006] - in which an additional cooler is installed on the top side of the housing, for which the side walls and the top cover hood-shapedly cover the front and rear air inlets and the air outlets in order to redirect the air discharged at the air outlets to the front air inlets and re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K9/18
CPCH02K9/10H02K9/04H02K9/06H02K9/18
Inventor 费利克斯·诺亚克塞巴斯蒂安·魏斯帕特里克·威廉斯约瑟夫·茨瓦克
Owner SIEMENS AG
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