1、Designation:F39519An American National StandardStandard Terminology Relating toVacuum Cleaners1This standard is issued under the fixed designation F395;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber
2、 in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.agitator,na device that is in contact with the surface to becleaned and assists in dirt removal by mechanical action,rotary and otherwise.air power(AP,W),n(1
3、)in a vacuum cleaner,the net timerate of work performed by an air stream while expendingenergy to produce an airflow by a vacuum cleaner underspecified air resistance conditions.(2)a measure of theability of the air stream to do work.Air power is expressedin terms of air watts.canister vacuum cleane
4、r,na portable floor-supportedvacuum cleaner,having a nozzle separated from the cleanerhousing by a hose and designed for normal-duty cleaning ofhousehold dirt.In use,only the nozzle is guided over thesurface area to be cleaned.The cleaner may have detachablenozzles,attachments,and wands for both flo
5、or and above-the-floor cleaning.The nozzle may employ a driven agitatorto assist in cleaning.carpet lay,norientation of the pile of a carpet(or fabric)relative to the backing;the tendency of a carpets pile to leanuniformly in a specific direction relative to the backing.car vacuum cleaner,na relativ
6、ely small,lightweight,por-table cleaner that is designed for operation from a d-c powersource,generally a 12-V automotive battery(see also hand-held vacuum cleaner).central vacuum cleaning system,na cleaning system con-sisting of a stationary vacuum producer and dust collectorthat incorporates the u
7、se of a tubing system internal to abuilding structure and a flexible hose,or both,for conveyingdust from the area being cleaned to the dust collector.Thesystem is designed for all-purpose cleaning including vari-ous types of larger debris and may be designed for liquidpickup.The system is used by in
8、serting one end of a hoseinto a wall vacuum inlet valve and attaching a cleaningnozzle to the other end.In use,the nozzle is guided over thesurface area to be cleaned.The system may contain a drivenagitator to assist in dirt removal and it normally hasdetachable nozzles,attachments,and wands for bot
9、h floorand above-the-floor cleaning.cleaning ability,dry,nthe potential of a vacuum cleaner toremove dirt from a surface(sometimes referred to in theindustry as cleanability,dry).cleaning effectiveness,dry,nthe ratio of the quantity of dirtremoved to the quantity of dirt distributed on a test area.c
10、leaning tool,na customer-installed device for a vacuumcleaner that is applied to the surface to be cleaned and isattached to the hose or the nozzle,for specialty bination vacuum cleaner,na canister vacuum cleanerhaving a motorized nozzle separated from the cleanerhousing but connected to it by means
11、 of a hose or hose mercial vacuum cleaner,na vacuum cleaner suitablefor the heavy-duty and sometimes continuous cleaning tasksencountered in establishments such as hotels,motels,officebuildings,churches,clubs,etc.corrected air flow,nthe volume of air movement per unit oftime under standard atmospher
12、ic conditions.The flow isexpressed in cubic feet per minute or litres per second.dirt receptacle first vacuum cleaner system,na vacuumcleaner construction in which the dirt laden air is passedthrough a dirt receptacle(bag type filter,bagless filter,orother type of dirt separator).The separated air i
13、s then pulledthrough the fan(bypass)or fan and motor(flow through)andexpelled from the cleaner.This type of construction issometimes referred to as clean air or indirect system.equivalent orifice,nthe diameter of the sharp-edged circularopening in the plate mounted in an ASTM Plenum Chamber(see Spec
14、ification F431,for Air Performance MeasurementPlenum Chamber for Vacuum Cleaners2),the opening hav-ing a resistance to air flow equivalent to the resistance1This terminology is under the jurisdiction ofASTM Committee F11 on VacuumCleaners and is the direct responsibility of Subcommittee F11.91 on Te
15、rminology.Current edition approved April 1,2019.Published April 2019.Originallyapproved in 1974.Last previous edition approved in 2018 as F395 10(2018).DOI:10.1520/F0395-19.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annua
16、l Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Bar
