Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1981-08-07
1983-02-01
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15412, A47L 928
Patent
active
043707769
ABSTRACT:
A vacuum cleaner, for household and industrial purposes, including a suction fan, driven by an electric motor, for generating a working air flow, and an electrical converter, in the form of a generator driven by the working air flow, for detecting the strength of the working air flow, the output of the generator being connected with a regulating and control circuit.
REFERENCES:
patent: 3069068 (1962-12-01), Hansen
patent: 4021879 (1977-05-01), Brigham
Moore Chris K.
Progress-Elektrogerate Mauz & Pfeiffer Gmbh & Co.
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