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Screw compressor for a utility vehicle

A screw type, compressor technology, applied in rotary piston type machinery, components of pumping devices for elastic fluids, rotary piston type pumps, etc., can solve the problems of increased oil volume and system inertia, To achieve the effect of simple oil return

Inactive Publication Date: 2019-06-21
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 must 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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  • Screw compressor for a utility vehicle
  • Screw compressor for a utility vehicle
  • Screw compressor for a utility vehicle

Examples

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Embodiment Construction

[0023] figure 1 A screw compressor 10 is shown by way of an embodiment of the invention in a schematic sectional view.

[0024] The screw compressor 10 has a fastening flange 12 for mechanically fastening the screw compressor 10 to an electric motor, not further shown here.

[0025] However, an input shaft 14 is shown, via which the torque is transmitted from the electric motor to one of the two spindles 16 and 18 , ie to the spindle 16 .

[0026] The screw 18 meshes with the screw 16 and is driven by the screw 16 .

[0027] The screw compressor 10 has a housing 20 in which main components of the screw compressor 10 are housed.

[0028] Housing 20 is filled with oil 22 .

[0029] On the air supply side, an inlet connection 24 is arranged on the housing 20 of the screw compressor 10 . The inlet piece 24 is designed here such that an air filter 26 is arranged thereon. Furthermore, an air inlet 28 is arranged radially on the air inlet connection 24 .

[0030] In the region ...

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PUM

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Abstract

The invention relates to a screw compressor (10) for a utility vehicle, comprising a rotor housing (20b), in which screw rotors (16, 18) of said screw compressor (10) are arranged, and a housing cover(20a), an air outlet pipe (34) arranged on an output side of the housing cover (20a) and comprising a riser (36), the air outlet pipe (34) having at least one oil separation means.

Description

technical field [0001] The invention relates to a screw compressor for commercial vehicles. 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 proposed. This is usually achieved by providing 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 provided for cooling liquid . Air, a water mixture with antifreeze or another oil can be used as cooling liquid, for example. [0004] This oil c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C29/02F04C29/12F04C18/16
CPCF04C18/16F04C29/026F04C29/12F04C2210/1005F04C2210/221F05B2210/12F05B2210/16F05B2260/98F04C29/02
Inventor G·埃布拉尔J-B·马勒斯考特J·梅拉尔T·魏因霍尔德
Owner KNORR BREMSE SYST FUER NUTZFAHRZEUGE GMBH
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