PT99761A

PT99761A - Washing process which can be used in machines for washing clothing and dishwashers, alternately using cold water or water at a low temperature with low voltage and immersed electrodes

Info

Publication number: PT99761A
Application number: PT99761A
Authority: PT
Original assignee: Salvatore Mario Pandolfo
Priority date: 1991-12-11
Filing date: 1991-12-11
Publication date: 1993-11-30

Abstract

A process for washing, alternately utilizing water that is cold or at low temperature with low voltage and immersed electrodes, especially suited to machines for washing clothing and dishwashers, which comprises use of one, two or a number of metallic electrodes directly immersed in the washing liquid so as to activate the cleaning agent. <IMAGE>

Description

Descrição da patente de invenção de Salvatore Mario Pandolfo, italiano, industrial, residente na Via Ferriera Morello, 42, Viterbo, Itália, para ''PROCESSO PARA LAVAR, UTILIZÁVEL EM MÁQUINAS DE LAVAR ROUPA 5 EM MÁQUINAS DE LAVAR LOIÇA EMPREGANDO ALTERNATIVAMENTE ÁGUA FRIA OU ÁGUA A UMA BAIXA TEMPERATURA COM BAIXA TENSÃO Ξ ELSCTRODOS IKER-SOS"Description of the patent for the invention of Salvatore Mario Pandolfo, Italian, industrial, resident in Via Ferriera Morello, 42, Viterbo, Italy, for 'WASHING PROCEDURE USED IN WASHING MACHINES 5 IN WASHING MACHINES BY EMPLOYING ALTERNATIVELY COLD WATER OR WATER AT A LOW TEMPERATURE WITH LOW VOLTAGE Ξ IKER-SOS ELSCTRODS "

Descrição A presente invenção refere-se a um processo para lavar, em particular, para utilizar em máquinas de lavar roupa e máquinas de lavar loiça empregando electrodos imersos em contacto directo com a água.The present invention relates to a process for washing in particular for use in washing machines and dishwashers employing electrodes immersed in direct contact with water.

GS È do conhecimento comum que nas máquinas de lavar roupa e de lavar loiça normalizadas a activação do detergente é feita por um elemento de aquecimento eléc-trico que trabalha a 220 volts de primário, e que imerso na água eleva a temperatura até 90°C? normalmente a capacidade deste elemento de aquecimento á de 2000 watts aproximada-mente. Contudo a utilização do referido elemento .de aquecimento além de constituir um considerável factor de risco provoca também a formação de calcário que, com o tempo, reduz a eficiência técnica e aumenta, assim, o risco do próprio - 1 -GS It is common knowledge that in standard washing machines and dishwashers the activation of the detergent is carried out by an electric heating element which operates at 220 volts of primary and which immerses in the water raises the temperature to 90 ° C ? typically the capacity of this heating element is approximately 2000 watts. However, the use of said heating element as well as being a considerable risk factor also causes the formation of limestone which, over time, reduces the technical efficiency and thus increases the risk of the limestone itself.

elemento de aquecimento se quebrarheating element if it breaks

Num nível de circulação o elemento de aquecimento anterior-mente referido, com uma taxa elevada de consumo, exige a instalação de termostatos de segurança; este processo provoca também o enfraquecimento inevitável da roupa reduzindo assim a sua consistência e duração. â um objectivo desta invenção permitir a realização de um processo de lavagem pelo qual, empregando um, dois ou vários electrodos metálicos imersos no líquido de lavagem em vez do elemento de aquecimento habitual, se possa obter, mesmo com água fria, agitação molecular imediata e mistura instantânea e homogénea de água com o agente de limpeza que não forme grumos na roupa e que seja perfeitamente biodegradável.At a circulation level, the above-mentioned heating element, with a high rate of consumption, requires the installation of safety thermostats; this process also causes the inevitable weakening of clothing, thus reducing its consistency and duration. It is an object of this invention to provide a washing process whereby, by employing one, two or several metal electrodes immersed in the washing liquid instead of the usual heating element, even with cold water immediate molecular agitation can be obtained and instantaneous and homogenous mixing of water with the cleaning agent that does not form lumps in the laundry and is perfectly biodegradable.

Um outro objectivo é que estes electrodos estejam ligados a um transformador, de preferência do tipo de relutância controlada, com o enrolamento primário feito de duas inductâncias ligadas e enroladas, a primeira nc sentido contrário aos dos ponteiros do relógio e a segunda no sentido dos ponteiros do relógio para proporcionar uma diferença de potencial.A further object is that these electrodes are connected to a transformer, preferably of the controlled reluctance type, with the primary winding made of two connected and coiled inductors, the first counterclockwise direction and the second in the direction of the pointers to provide a potential difference.

Um outro objectivo consiste em fazendo variar a forma e as dimensões destes electrodos e do transformador de relutância controlada ser possível também aquecer a água utilizado para lavagem até à temperatura desejada regulando-a por utilização de um termostato padrão.A further object is to vary the shape and dimensions of these electrodes and the controlled reluctance transformer, it is also possible to heat the water used for washing to the desired temperature by adjusting it by use of a standard thermostat.

Estes e outros objectivos ilustrados mais em pormenor adiante, são conseguidos pelo processo de lavagem que constitui o tema desta invenção e que se caracteriza pelo facto de recorrer a um, dois ou vários electrodos feitos de metal e imersos no líquido de lavagem e - 2 -These and other objects illustrated in more detail below are achieved by the washing process which is the subject of this invention and which is characterized by the use of one, two or more electrodes made of metal and immersed in the washing liquid,

por estes electrodos estarem ligados a um transformador, de preferência do tipo relutância controlada, de forma a isolá--los e desacoplá-los do primário e trabalharem a menos do que 50 volts.because these electrodes are connected to a transformer, preferably of the controlled reluctance type, so as to isolate and decouple them from the primary and work at less than 50 volts.

Outros objectivos e vantagens serão apresentados na descrição gue se segue e no diagrama em anexo gue ilustra e exemplifica um processo de realização desta invenção.Further objects and advantages will be set forth in the following description and in the accompanying diagram which illustrates and exemplifies a method of carrying out this invention.

Relativamente a este diagrama, o único desenho ilustra a ligação electrica de acordo com eata invenção, aplicada a electrodomêsticos tais como máquinas de lavar roupa e aparelhos semelhantes. A linha 1 do alimentador á tensão do primário, por exemplo, 220 volts, e interrompida por um inte-ruptor geral de 2 polos para alimentar o enrolamento primário do transformador 3, de preferência, do tipo relutância controlada.With respect to this diagram, the single drawing illustrates the electrical connection according to the invention, applied to appliances such as washing machines and the like. The line 1 of the feeder is at the primary voltage, for example 220 volts, and interrupted by a general 2-pole switch to feed the primary winding of the transformer 3, preferably of the controlled reluctance type.

Sste transformador 3 e feito de um núcleo constituido por um pacote de placas duplas em forma de G cora os suportes exteriores com uma secção transversal inferior à secção transversal dos suportes centrais, e por dois enrolamentos com espirais de cobre, cujo primário e também feito de dois enrolamentos invertidos ligados em paralelo para proporcionar diferença de potencial. A linha de saída 4 deste transformador 3 alimenta, a uma baixa tensão, por exemplo 48 volts, os dois electrodos 8 imersos no líquido de lavagem 9. O número 5 indica a maquina de lavar e o 6 o recipiente ou tanque e 7 o tambor. 0 processo de lavagem de acordo com esta invenção permite uma redução aproximada de 30% na quantidade 3This transformer 3 is made of a core consisting of a package of G-shaped double plates with the outer supports having a cross-section lower than the cross-section of the central supports, and by two windings with copper coils, the primary of which is also made of two inverted windings connected in parallel to provide potential difference. The output line 4 of this transformer 3 feeds at a low voltage, for example 48 volts, the two electrodes 8 immersed in the washing liquid 9. The number 5 indicates the washing machine and the 6 the container or tank and 7 the drum . The washing process according to this invention allows an approximate reduction of 30% in the amount 3

Claims

(i.e.

of cleaning agent and of 70% in the electrical energy required to carry out a complete washing cycle, which takes the same time in complete safety due to the low voltage of 48 volts s to the decoupling of the primary. The dimension of the electrodes immersed varies with the dimensions of the laundry or dish containers, but the influence of the dimensions and distances between the electrodes does not cause appreciable variations in the energy consumption or the activation capacity. The present invention, illustrated and described schematically and by way of example, is to be considered as applicable to variations on accessories which as such are within its scope. In practice the shapes and dimensions may vary according to the particulars requirements, the electronic components of the washing machine can be constituted for low voltage in order to increase the capacity of the inductive equipment and reduce the deficiencies, the thermal details can be replaced by others that are technically equivalent, without departing from the scope of the appended claims. Wool - Process for washing, alternatively using cold or low-temperature water with low voltage and immersed electrodes, especially suitable for washing machines and dishwashers, characterized in that one, two or several electrodes metal particles directly immersed in the washing liquid in order to activate the cleaning agent. Process according to claim 1, characterized in that said electrodes are connected to a transformer the secondary of which provides a voltage, for example, in that said transformer is preferably a controlled reluctance transformer whose primary is made up of two inverted windings connected in parallel in order to be able to dispose of the potential difference. The method according to any of the preceding claims, characterized in that the shape and dimensions of said electrodes and said controlled reluctance transformer are also adjustable to allow the water used for washing to be adjusted.

Lisbon, 11 December 1991

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