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Refrigerating agent compressor arrangement

A technology for compressors and refrigerants, which can be used in mechanical equipment, machines/engines, liquid variable capacity machines, etc., and can solve problems such as the difficulty of fixation

Active Publication Date: 2012-09-05
丹佛斯家用压缩机有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the retainer can be difficult to fit on the bolt head due to the strong protrusion

Method used

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  • Refrigerating agent compressor arrangement
  • Refrigerating agent compressor arrangement
  • Refrigerating agent compressor arrangement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] A compressor unit 2 is arranged in the casing 1 . The stator 3 of the electric motor is connected to a compressor housing 4 comprising a cylinder 5 and bearings 6 . The motor shaft 7 is supported in the bearing 6, said motor shaft 7 pushes the rotor 8, and via the crank pin 9 and the connecting rod 10, drives the piston 11 to reciprocate in the cylinder 5. A helical compression spring 12 flexibly supports the compressor unit 2 in the casing 1 . In addition, the pressure tube 13 is also made flexible.

[0027] In order to accommodate the cylinder head 14 which extends radially past the stator 3 , an expansion is provided in the housing 1 . In this extension there is provided an electrical inlet 16 with an entry pin 17 on the inner end of which a plug 18 is arranged. In the lower part of the housing, concavities 19 and 20 are provided on both sides of the inlet 16 . In this way, the walls of the housing 1 form four opposing flanges W1 - W4 that interact with the four ...

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PUM

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Abstract

The invention relates to a refrigerating agent compressor arrangement, having a compressor unit which is supported by springs in a casing; at least a bolt with a bolt head and a bolt shaft; a fixer arranged between the compressor unit and at least a spring; the fixer on front is provided with a concave portion with an opening facing to the bolt; and the bolt head is engaged with the opening and is connected to the spring. The invention aims at simplifying the production. Accordingly, the bolt head has an undercut on its circumference surface, extended inwards to a projection of the concave portion and is engaged with the fixer behind the undercut. The concave portion comprises a wall portion between projections; the distance between the wall portion in a first zone closed to the opening and the bolt shaft is smaller than that between the wall portion in a second zone closed to the opening and the bolt shaft; and the distance between the second zone and the opening is farther than thatbetween the first zone and the opening.

Description

technical field [0001] The invention relates to a refrigerant compressor structure having: a compressor unit spring-supported in a housing and comprising at least one bolt having a bolt head and a bolt shaft; a holder having a Arranged between the compressor unit and at least one spring, said holder comprises, on its front side, a recess with an opening facing a bolt whose head engages said opening and is connected to the spring. Background technique [0002] Such a refrigerant compressor construction is known, for example, from US 4,106,881. The compressor unit includes an electric motor with a vertically arranged shaft. A compressor is arranged above the electric motor, the compressor including a piston reciprocating in a cylinder. The piston is driven by the rotary motion of the electric motor. The rotor laminations of the electric motor are held together by bolts. The head of each bolt is inserted into a retainer, which in turn is inserted into a spring. The spring ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B39/00
CPCF04B39/14F04B39/122F04B39/121
Inventor 布赖恩·H·安德森卡斯滕·O·彼得森
Owner 丹佛斯家用压缩机有限责任公司