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System for a utility vehicle comprising a screw compressor and an electric motor with common cooling

A compressor and motor technology, applied in the arrangement of pumps/compressors, machines/engines, engine working fluids, etc., can solve problems such as the need for installation space, the increase in the total amount of oil, and the increase in system inertia, and achieve simple Construction, efficient cooling management, easy to adjust effect

Pending Publication Date: 2019-06-18
KNORR-BREMSE SYST FUER NUTZFAHRZEUGE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Furthermore, the outer volume must be filled with oil, so that the total amount of oil also increases
As a result, the inertia of the system increases
In addition, the oil cooler has to be mounted and fastened mechanically, either by means of a surrounding holding device or by means of a separate holding device, which requires additional fastening means, but also requires installation space

Method used

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  • System for a utility vehicle comprising a screw compressor and an electric motor with common cooling
  • System for a utility vehicle comprising a screw compressor and an electric motor with common cooling
  • System for a utility vehicle comprising a screw compressor and an electric motor with common cooling

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Embodiment Construction

[0030] figure 1 A screw compressor 10 meant for one embodiment of the invention is shown in a schematic sectional view.

[0031] The screw compressor 10 has a fastening flange 12 for mechanically fastening the screw compressor 10 to an electric motor, not further shown here.

[0032] However, an input shaft 14 is shown, via which torque is transmitted from the electric motor to one of the two spindles 16 and 18 , namely the spindle 16 .

[0033] The screw 18 meshes with the screw 16 and is driven by it.

[0034] The screw compressor 10 has a housing 20 in which the basic components of the screw compressor 10 are accommodated.

[0035] Housing 20 is filled with oil 22 .

[0036] An inlet connection 24 is arranged on the housing 20 of the screw compressor 10 on the air inlet side. The inlet connection 24 is designed here such that an air filter 26 is arranged on the inlet connection. Furthermore, an air inlet 28 is arranged radially on the air inlet connector 24 .

[0037]...

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PUM

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Abstract

The invention relates to a system (1) for a utility vehicle, comprising a compressor (10), an electric motor (5) and an electronic drive system (6), wherein the electric motor (5) drives the compressor (10). The electric motor (5), the compressor (10) and the electronic drive system (6) have a common cooling circuit (100).

Description

technical field [0001] The invention relates to a system for a commercial vehicle comprising a screw compressor and an electric motor. Background technique [0002] Screw compressors for commercial vehicles are known from the prior art. Screw compressors of this type are used in order to provide the compressed air required, for example, for commercial vehicle brake systems. [0003] In this connection, in particular oil-filled compressors, in particular also screw compressors, are known, in which the task of regulating the oil temperature is addressed. This is usually achieved in that there is an external oil cooler which is connected to the oil-filled compressor and the oil circuit via a thermostatic valve. The oil cooler is here a heat exchanger which has two separate circuits, wherein a first circuit is provided for hot liquid, ie compressor oil, and a second circuit is used for cooling liquid. An air-water mixture including antifreeze or other oils can be used as cool...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C29/04F04C18/16
CPCF04C29/045F04C29/047F04C18/16H02K9/19F04C29/04H05K7/2089F05B2260/205F05B2210/12F04C2240/40F04C2210/1005F04C2210/221F05B2210/16F04C23/02F04C29/0085B60T13/26B60T17/02F04C2240/80
Inventor P·科瓦克西克H·内梅特V·蒂哈尼
Owner KNORR-BREMSE SYST FUER NUTZFAHRZEUGE GMBH