Microcomputer control system for a canister vacuum cleaner

Details Microcomputer control system for a canister vacuum cleaner Microcomputer control system for a canister vacuum cleaner

1985-12-31

1987-04-07

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15339, 15377, 15410, A47L 928

Patent

active

046549242

ABSTRACT:
A control system for a vacuum cleaner comprising three separate sub-control systems located in a canister portion, a power nozzle floor cleaner portion and a suction hose handle portion respectively. The handle portion sub-control includes user input switches and indicator lights and it controls the other two sub-controls. The canister sub-control controls the energization and speed of a suction fan motor as well as sensing pressure levels in the canister and suction hose. The floor cleaner sub-control controls the energization of a beater brush motor as well as sensing the rotational speed of the beater brush and depth of carpeting pile. Microcomputers are used in each circuit and communication between the circuits is done in packet form on a third connector and one side of an AC power line. Diagnostic testing is also built into the control system.

REFERENCES:
patent: 3579706 (1971-05-01), Hetland
patent: 3588943 (1971-06-01), Hetland
patent: 4199838 (1980-04-01), Simonsson
patent: 4245370 (1981-01-01), Baker
patent: 4328522 (1982-05-01), Tryan
patent: 4342132 (1982-08-01), From Knecht
patent: 4357729 (1982-11-01), Vander Molen et al.
patent: 4370690 (1983-01-01), Baker
patent: 4370776 (1983-02-01), Kullik
patent: 4399585 (1983-08-01), Kullik et al.
patent: 4418342 (1983-11-01), Aschoff et al.
Sears Owner Manual; Kenmore Cannister Vacuum Cleaner, Model 1165.24991 published prior to Dec. 31, 1984.
Whirlpool drawing entitled Schematic dated 10-22-84 for Model No. 2499184.

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