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Modular electric compressor including assembly unit

A technology for electric compressors and compressors, which is applied to pump devices, electromechanical devices, components of pumping devices for elastic fluids, etc. , the effect of reducing the risk of damage

Inactive Publication Date: 2016-04-20
VALEO JAPAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In all cases, the performance level of the electric compressor is reduced

Method used

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  • Modular electric compressor including assembly unit
  • Modular electric compressor including assembly unit
  • Modular electric compressor including assembly unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] The electric compressor 7 of the invention will be described below for the circulation of refrigerant in the air-conditioning circuit of a motor vehicle. It goes without saying that the electric compressor can be used for the compression of different kinds of fluids and that the electric compressor 7 can be mounted on any type of motorized or stationary device.

[0038] refer to image 3 , the electric compressor 7 according to the present invention comprises a compression mechanism 3, an electric motor 2 driving the compression mechanism 3 and an inverter 1, the electric motor 2 having a rotation axis X ( image 3 ), the inverter 1 supplies power to the motor 2 . The inverter 1 is installed in the inverter housing 10 , and the compression mechanism 3 is installed in the compression housing 30 . The electric motor 2 is mounted in a motor housing 20 extending longitudinally along the axis X of rotation. The motor housing 20 is made of aluminum or an aluminum alloy and...

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Abstract

The invention relates to an electric compressor (7), which includes: a compression mechanism (3); an electric motor (2) for driving the compression mechanism (3), the electric motor having a rotation axis (X); and an electric motor (2) Power supply inverter (1). The inverter (1) is installed in the inverter housing (10), and the electric motor (2) is installed in a housing (20) that extends longitudinally along the rotation axis (X) and has It is connected to the first end (20P) of the inverter housing (10) by a plurality of fixing devices (5). According to the invention, the electric motor (2) includes a stator (2A) with a circular periphery. In addition, the inner periphery of the motor housing (20) is provided with a plurality of protrusions (23) that contact the circular periphery of the stator (2A), and the inner periphery of the motor housing (20) is provided with a plurality of openings (29) ), between two consecutive protrusions (23), at least one fixing device (5) extends through said opening.

Description

technical field [0001] The technical field of the invention is that of electric compressors, which are equipped by electric vehicles, for example, to circulate refrigerant in the vehicle's air conditioning circuit or in a heat pump. Background technique [0002] Electric compressors generally include a compression mechanism driven by an electric motor in order to circulate refrigerant in an air conditioning circuit. To power the electric motor and vary its speed, the compressor also includes an inverter. As an example, an inverter is designed to convert single-phase current into three-phase current. [0003] Such compressors are known in the literature. Document JP2003-343438A describes an electric compressor (not shown), which includes a compression housing in which a compression mechanism is installed, a motor housing in which an electric motor is installed, and an inverter housing in which an inverter is installed . In order to join the housings together, the outer su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B39/12F04B53/22F04B23/00H02K5/04F04B35/04
CPCF04B39/121F01C21/10F04B35/04F04B53/22F04C18/0215F04C23/008F04C29/045F04C2240/805F04C2240/808H02K1/185H02K1/20H02K5/12H02K7/14H02K11/33
Inventor I.吉塔里A.贝莱特出口弘信冈仓弘明
Owner VALEO JAPAN CO LTD
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