Vacuum cleaner

Details Vacuum cleaner Vacuum cleaner

1989-12-18

1991-06-18

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15339, 15412, A47L 928

Patent

active

050239732

ABSTRACT:
A vacuum cleaner includes a cleaner body provided with an air inlet and an air outlet, a dust chamber provided in the cleaner body and communicating with the air inlet, a housing provided in the cleaner body, communicating with the dust chamber and the air outlet and accommodating an electric air blower, a suction force level selector for the electric air blower, a pressure sensor provided on the suction side of the electric air blower, a comparator for comparing an output of a detected pressure from the pressure sensor with a reference value, a varying device for varying the reference value in proportion to the selected suction force level, and an indicator for indicating an accumulated state of dust in the dust chamber based upon the comparison result from the comparator.

REFERENCES:
patent: 4514874 (1985-05-01), Kurz
patent: 4654924 (1987-04-01), Getz et al.
patent: 4852208 (1989-08-01), Morishita et al.

Affiliated with

Also associated with

Rating

Vacuum cleaner does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vacuum cleaner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vacuum cleaner will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-139069