Title: Filtering device for filtering extremely fine dust
Application Number: 200610079631 Application Date: 2006.04.29
Publication Number: 1879974 Publication Date: 2006.12.20
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: B04C5/24,B08B15/04
Applicant(s) Name: Positec Power Tools Suzhou Co. Address: 215006
Inventor(s) Name:
Attorney & Agent:
Abstract:
     The filtering device (10) comprises a cylindrical dust chamber (38) and an air and dust input room (54) positioned above the dust chamber (38). A large number of cyclones (36) having a small diameter extends from the input room (54) to the dust chamber (38). The cyclones (36) are arranged in circular arrays (76, 78). A tube connector (34) is fixed to the lower end of the dust chamber (38) and a suction tube (64) is connected between the tube connector (34) and the input room (54). Air (a) and dust (d) generated by a masonry tool (2) during operation are collected by a fine-dust collector (12) and transmitted via the tubes (16, 64) to the input room (54) for distribution to the inputs of the cyclones (36). The fine dust (d) separated from the air (a) falls into the dust chamber (38), while the air (a) will be released through air outlets (32), in most instances directly into the environment of the filtering device (10).
Time: 10
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