0I know of vacuum cleaner but have never heard vacuum machine (although it makes sense). "Hoover" is a brand name, sometimes substituted for the actual thing, like Frigidaire, Kleenex, etc.0-
0vacum cleaner use for the cleaning purpose. which sucks the dirt by creating a vacum. but vacum machine use for the vacum production. which is help for the production .. (Glass container production industry). so two are difference according the usage0-
0Hi,02br 02br 00I'll occasionally say 'vacuum machine' to my wife, but perhaps that's just a part of my personal idiom.02br 02br 00The commonest term for it is simply 'the vacuum', eg 'Put the vacuum away, please'.02br 02br 00Best wishes, Clive0-