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Integral ground pin for sealed compressor

A technology of compressors and pins, which is applied in the field of hermetic compressors with integral grounding pins, and can solve problems such as easy displacement of wires

Inactive Publication Date: 2004-10-13
CARRIER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The separate ground wire would require some undesired additional assembly
Also, these extra wires can easily become displaced, which is not desirable

Method used

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  • Integral ground pin for sealed compressor
  • Integral ground pin for sealed compressor
  • Integral ground pin for sealed compressor

Examples

Experimental program
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Embodiment Construction

[0015] figure 1 Shown is a sealed compressor 20 having a body 21 housing an electric motor 22 and a pump unit 24 which in this application is preferably a scroll compressor; however the invention may be extended to other types of hermetic compressors.

[0016] Such as figure 1 As shown, an electrical connection device 26 is housed within a housing wall 25 of the body 21 . The electrical connection schematically accepts a power source 29 and extends to a power source 31 as indicated by dashed lines. The power supply 31 supplies three-phase alternating current to the motor 22 . Also included within the body 21 is a suitable motor control unit 27 to which electrical wiring 28 is connected from the connection unit 26 .

[0017] Such as figure 2 As shown, the connecting means 26 comprises a steel ring 27 which is welded into the side wall 21 . A plurality of pins 30 extend within the steel ring 27 to an inner end 32 . The inner ends 32 are connected by wires 28 which extend...

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PUM

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Abstract

An integral ground connection is provided in a sealed compressor housing. The ground connection includes a pin which receives a connection from a power supply to provide a ground for the power supply at the compressor. The pin is electrically communicated to the compressor housing. A visual indication is made internal to the compressor of which of the four connections is associated with the ground and which of the other three are supplying the three phase power.

Description

technical field [0001] The invention relates to the improvement of the power supply and grounding mode of a hermetic compressor. Background technique [0002] Hermetic compressors are used in many refrigeration compressor applications. Typically a compressor pump unit and an electric motor are sealed within a body. Refrigerant is introduced into the body and can flow within the body to the pump unit. [0003] Since the refrigerant can flow within the body, the body must be provided with fluid seals at any openings. One opening that poses a difficult problem for sealing is the opening for power supply. [0004] The motors associated with such compressors are usually three-phase power motors. In a three-phase motor, there are three different power wires going into the compressor. [0005] In the prior art, a separate ground wire is mounted on the compressor housing and mounted on the connection. This separate ground wire requires some undesired additional assembly. Also...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B39/00H01R13/52H01R13/64H02K5/22
CPCH01R2201/10H01R13/521H01R13/64H02K11/0089H02K11/40H02K5/22
Inventor L·W·蒂博多克斯S·韦斯特伯格
Owner CARRIER CORP