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Compressor and method for controlling a compressor for supplying compressed air to a utility vehicle

A technology of compressing air and compressors, which is applied to the arrangement of pumps/compressors, pump control, machines/engines, etc., to achieve the effect of heat load reduction

Active Publication Date: 2010-12-01
KNORR-BREMSE SYST FUER NUTZFAHRZEUGE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem that arises here is in particular that it is not desirable to switch off the compressor completely for material protection during engine braking, since the operating brakes for braking the motor vehicle may require air

Method used

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  • Compressor and method for controlling a compressor for supplying compressed air to a utility vehicle
  • Compressor and method for controlling a compressor for supplying compressed air to a utility vehicle
  • Compressor and method for controlling a compressor for supplying compressed air to a utility vehicle

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Embodiment Construction

[0037] The same reference numerals denote the same or similar type of components in the following drawings.

[0038] figure 1 A simplified schematic diagram of a motor vehicle 12 with a compressor 10 is shown. The delivery vehicle 12 is driven by a drive engine 20 . The drive engine 20 drives the compressor 10 via a transmission 26 , which draws in air from an air filter 24 and supplies compressed air to a compressed air supply 22 . The transmission 26 has a gear ratio i less than one and a drive shaft speed n equal to the engine speed 驱动 Greater than the driven shaft speed n which is the same as the compressor speed 输出 . As a result, the compressor speed and the engine speed differ by a fixed factor i. The drive engine 20 , the transmission 26 and the compressor 10 driven by the drive engine 20 through the transmission 26 together constitute a system. Typical transmission ratios in which it is particularly preferred to use the compressor according to the invention are b...

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PUM

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Abstract

The invention relates to a compressor (10) for supplying compressed air to a utility vehicle (12), said compressor comprising a drive engine (20), wherein the compressor (10) is driven by the drive engine (20) via a transmission (26) having a transmission ratio that is less than one and comprises a piston chamber (14), a clearance volume (16) and a valve device (18) for switching the clearance volume (16). According to the invention, the valve device (18) is configured in such a manner that the air stream supplied by the compressor (10) can be reduced to a value that is different from zero by activating the clearance volume (16). The invention further relates to a method for controlling a compressor (10) for supplying compressed air to a utility vehicle (12).

Description

technical field [0001] The invention relates to a compressor for supplying compressed air to a cargo vehicle having a driving engine, wherein the compressor is driven by the driving engine through a transmission with a transmission ratio of less than one, and the compressor comprises a piston chamber, a clearance and a Valve device for closing clearance. [0002] The invention furthermore relates to a method for controlling a compressor for supplying compressed air to a cargo vehicle with a drive motor, wherein the compressor is driven by the drive motor through a transmission with a transmission ratio of less than one, and the compressor comprises a piston chamber, a residual Gap and valve device for connecting the gap. Background technique [0003] In order to be able to meet the compressed air requirements of the sub-systems of modern trucks, the compressors belonging to the compressed air supply have a reduced transmission ratio. The speed of the drive shaft at the sam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T17/02F04B49/16
CPCB60T17/02F04B49/22F04B49/16
Inventor 约尔格·迈拉尔
Owner KNORR-BREMSE SYST FUER NUTZFAHRZEUGE GMBH
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