Method and apparatus for operating vacuum cleaner

Details Method and apparatus for operating vacuum cleaner Method and apparatus for operating vacuum cleaner

1990-10-04

1994-03-15

Roskoski, Bernard

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 388930, 388904, H02P 602

Patent

active

052948722

ABSTRACT:
Method and apparatus for operating a vacuum cleaner in which by detecting a rotational speed of a variable speed fan motor adapted to give a suction force to the cleaner and its change range, the choking state of the filter and the state of the cleaned surface are discriminated, and a speed command of the fan motor is corrected on the basis of the result of the discrimination, and the comfortable cleaning can be performed by the optimum suction force.

REFERENCES:
patent: 4394606 (1983-07-01), Woerwag
patent: 4415844 (1983-11-01), Mendenhall et al.
patent: 4517502 (1991-05-01), Aschoff et al.
patent: 4983895 (1991-01-01), Koharagi et al.

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