High volume, high performance, ultra quiet vacuum cleaner

Details High volume, high performance, ultra quiet vacuum cleaner High volume, high performance, ultra quiet vacuum cleaner

1994-10-27

1996-04-02

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

381 71, A47L 900

Patent

active

055028691

ABSTRACT:
An ultra quiet vacuum cleaner having a bag cavity (44), a motor/blower chamber (48) connected to said cavity by a flexible coupling (47) and an active, adaptive noise cancellation controller (52) so configured to quiet the exhaust of the air used to cool the motor/blower unit. Fast compensation and feedback compensation allow use of a straight, short duct (51) for superior cancellation performance.

REFERENCES:
patent: 4122303 (1978-10-01), Chaplin et al.
patent: 4423289 (1983-12-01), Swinbanks
patent: 4480333 (1984-10-01), Ross
patent: 4878188 (1989-10-01), Ziegler, Jr.
patent: 5091953 (1992-02-01), Tretter
patent: 5105377 (1992-04-01), Ziegler, Jr.

Affiliated with

Also associated with

Rating

High volume, high performance, ultra quiet 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 High volume, high performance, ultra quiet vacuum cleaner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High volume, high performance, ultra quiet vacuum cleaner will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2008518