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Multifunctional mini-resistance integrated protection device used for fan outlet side

A protection device and a technology on the outlet side, which are applied to components, mechanical equipment, machines/engines, etc. of pumping devices for elastic fluids, can solve the problems of large footprint, high cost, and large volume, and achieve installation occupation The effect of small area, light weight and small volume

Inactive Publication Date: 2012-02-15
宜兴市迪凡特机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to solve the problems of large volume, large floor area, large pressure loss and high cost caused by the independent installation of each part of the existing fan protection device. Small size, small pressure loss, low cost fan outlet side with micro-resistance multi-functional integrated protection device

Method used

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  • Multifunctional mini-resistance integrated protection device used for fan outlet side
  • Multifunctional mini-resistance integrated protection device used for fan outlet side
  • Multifunctional mini-resistance integrated protection device used for fan outlet side

Examples

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0033] Such as figure 2 , 3 shown.

[0034] A micro-resistance multifunctional integrated protection device for the outlet side of a fan, which includes a housing 1, one end of the housing 1 is provided with an air inlet 2, and the other end is provided with an air outlet 3, and the housing 1 is installed There is an axially movable check valve 4, the valve plate 5 of the axially movable check valve 4 is installed in the sliding rod 9, the sliding rod 9 is inserted in the sliding sleeve 10, and the sliding sleeve 10 is fixed on the mounting frame 11, the mounting frame 11 is fixed in the housing 1, and an elastic member 12 (which can be a spring or an elastic air bag, which is set on the sliding sleeve 10 and the sliding rod 9, is installed between the valve plate 5 and the mounting frame 11, so One end of the elastic member 12 is against the in...

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Abstract

The invention discloses a multifunctional mini-resistance integrated protection device used for a fan outlet side. The device comprises a shell (1), wherein one end of the shell (1) is provided with an air inlet (2), and the other end of the shell (1) is provided with an air outlet (3). The multifunctional mini-resistance integrated protection device is characterized in that a check valve (4) is installed in the shell (1); the shell between the inner end surface (6) of the air inlet (2) and the air outlet (3) is provided with an outlet (7) shared by pressure relief and evacuation; and the outlet (7) is provided with a pressure relief and evacuation pile-up valve (8). The multifunctional mini-resistance integrated protection device simultaneously has all functions of a pressure release valve, the check valve and an unloading valve, can be independently used, has small installation land occupation and is convenient to install, installing and debugging time can be shortened, and the installation auxiliary attachments of the traditional valve are omitted.

Description

technical field [0001] The invention relates to a fan attachment, especially a fan protection device for voltage stabilization, venting, anti-backflow and noise reduction used in conjunction with a Roots blower, specifically a protection device that integrates various protection devices A micro-resistance multifunctional integrated protection device is used on the outlet side of the fan in a small casing. Background technique [0002] At present, the Roots blower system at home and abroad is mainly composed of imported air filters, imported mufflers, Roots blowers, power equipment, flexible joints, outlet mufflers, pressure relief valves, T-shaped pipes for pressure relief valves, pressure gauges, check valves, Vent electric or pneumatic butterfly valve, vent valve T-tube and vent muffler etc. [0003] The gas delivered by the Roots blower is oil-free, and its main functional part is the impeller. There are small working gaps between the impeller and the impeller, the impe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/00
Inventor 顾小峰
Owner 宜兴市迪凡特机械制造有限公司
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