Title:
ULTRASONIC DEVICE TO REMOVE STAINS IN FABRICS AND METHOD FOR CONTROLLING THE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/218324
Kind Code:
A3
Abstract:
The present invention is in the field of mechanical and electrical engineering, particularly in technology related to the treatment of fabrics and removal of stains, more particularly to an ultrasonic stain removing device in fabrics, comprising: a portable stain removal unit comprising an ultrasonic transducer, a power component electrically connected to the portable stain removal unit and to an energy inlet configured in order to provide energy to the operation of the ultrasonic transducer, a control component electrically connected to the portable stain removal unit, which provides an electrical waveform with a variable frequency to the ultrasonic transducer, the control member being configured to control the operation of the ultrasonic transducer by controlling the frequency delivered to the ultrasonic transducer, wherein, preferably, the portable stain removal unit does not comprise the control and power components.
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Inventors:
PACHTMANN RUBENS (BR)
SCHEER FELIPE AUGUSTO (BR)
PELEGRINI FERNANDO TIAGO (BR)
PELLANDA FERNANDO (BR)
COSTA CAMPOS LUIZ GUILHERME (BR)
ARRIGONI GIANCARLO (IT)
SCHEER FELIPE AUGUSTO (BR)
PELEGRINI FERNANDO TIAGO (BR)
PELLANDA FERNANDO (BR)
COSTA CAMPOS LUIZ GUILHERME (BR)
ARRIGONI GIANCARLO (IT)
Application Number:
PCT/BR2018/050172
Publication Date:
January 10, 2019
Filing Date:
May 25, 2018
Export Citation:
Assignee:
ELECTROLUX DO BRASIL SA (BR)
International Classes:
B06B1/02; A47L13/00; B08B3/12; B08B7/02
Foreign References:
| EP0217694A1 | 1987-04-08 | |||
| US5276376A | 1994-01-04 | |||
| US5777860A | 1998-07-07 | |||
| US4973876A | 1990-11-27 | |||
| US20030084535A1 | 2003-05-08 |
Attorney, Agent or Firm:
DE SOUZA, Orlando (BR)
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