Vacuum cleaner control

Details Vacuum cleaner control Vacuum cleaner control

1981-02-06

1983-01-25

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Motor protective condition responsive circuits

15319, 15391, 318463, 361242, H02H 7093

Patent

active

043706908

ABSTRACT:
A vacuum cleaner control providing solid state high and low speed electronic control of a vacuum cleaner motor. The control circuit is arranged to terminate operation of the motor in the event the sensed speed of a brush driven by the motor drops below a predetermined low speed as by jamming of the brush. A membrane touch switch panel includes switches which provide manually controlled inputs to the control. In one form, the control uses phase control in setting the low speed operation of the motor and in another form, the control utilizes half wave rectification in setting the low speed motor operation.

REFERENCES:
patent: 2323554 (1943-07-01), Mason
patent: 2451816 (1948-10-01), Dunn
patent: 2467582 (1949-04-01), Corkran
patent: 2472526 (1949-06-01), Frazee
patent: 3389321 (1968-06-01), Miller et al.
patent: 3473101 (1969-10-01), Muskovac
patent: 3536977 (1970-10-01), Porter
patent: 3728604 (1973-04-01), Grygera
patent: 3845375 (1974-10-01), Stiebel
patent: 3879652 (1975-04-01), Billings
patent: 4025832 (1977-05-01), Jones
patent: 4163999 (1979-08-01), Eaton et al.
patent: 4245370 (1981-01-01), Baker
patent: 4328522 (1982-05-01), Tryan

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