DE1941467A1 - Machine and method for spin rinsing or for spin rinsing and dry spinning of laundry - Google Patents

Description

Dipl.-Ing. W. PAAP 8 MONKS 22,

Γ \ · I ι .LI k. J ITC / »ι l r rai l / ~ l ι Sleinsdorfstroße

German-lng. H. MITSCHERLICH _{Te) efon: (0811)} . _{i? 6684}

i.-ing. κ. GUNSCHMANN 1 y 414 6 7

Dr. rer. not. W. KCfRBER

PATENT LAWYERS

^: * Br / lTe

August 14, 1969 HOOVEE LIMITED,
Perivals,
Q-reenf ord, Middlesex / England.

Pai; e nt ami e 1 dun g

Machine and yerfaareii for rinsing the sole or to the. Spin-rinse and spin-dry laundry

The invention relates to spin washing and deals in particular with a machine and a 'method for strolling or spinning and washing Wasohe spin-dry.

At. one embodiment has a grinder washer one. Drum .for rinsing; honeycomb! the drum around hers Longitudinal axis, rotatable in a stationary outer container is. The drum drive can be switched off automatically and runs intermittently.; - The rinsing water gets into the drum at least / ns "supplied during the times - in which the drive lint he's breaking,. .

The machine set up for spinning and spinning dryers preferably has a stexing agent with a s: pülr; _tstellung ^ in which the drum can be sped at a speed

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rotates that a maximum acceleration dex laundry of corresponds to a maximum of 300 g, and with a dryer spin position. in which she-see rotates at a speed that is much greater than the maximum winding speed.

The interruption of the drive: prevents in simple terms, that the maximum acceleration of the laundry of approximately 300 g is exceeded, each reversal period can be between 10 and 30 seconds lie. To control the interruption means, and to switch on the drive for the drum again, various gowns are suitable, e.g. B. a timer, or a switch responsive to the speed of the drum.

Preferably, however, in a machine with a pump for evacuating the outer container, the drive at the same time interrupt, will be wie'der the drum interrupt for automatically and Wiedereinsehalten of the drum drive an appealing to AEE ~ a water level in the outer container switch used

The machine has a spout attached to it for letting the water into the drum, because the drum has a vertical axis, is open at the top and is provided with a rotatable, contact-controlling cover that only allows the drum to be driven when the cover is closed , the spout can be under the lid to supply water to the drum

the spout may be movable between a position in which it supplies the drum water and a position in which it supplies a separate viaisehbottich with water. in a combined washing machine and dishwasher, "

When connecting a washing machine and a dry sander it has proven advantageous, several Watch out for rinsing courses in which the rinsing water is poured through a Centrifuge (process is pulled out of the laundry. Ss is anyhow. desirable ^ that; d: the drum comes to a standstill,.

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that rinsing water floods through all what is hurrying and is not delighted before all parts are soaked. It has been customary up to now to achieve this by manually switching off the drive for the Ircsimel and the pump, while the water flows in and then switch on the drive to centrifuge the rinsing water and absurunp «

In their earlier sweet jorr-. ^ The experience provides: T'ittel, who "carry out this automatically, and only the individual work steps are manually initiated and ended by opening?;. Turning off the asr.ers. ^:

This way is when the control button. in the flush division stands, the drive for the Irommel auster operation, until the Liquid level in the Auesen container via a pin Point increases. So he won't be working before the "water has been turned on". *.

The intermittent. Drive the drum and the puinpe that lower the fluid level, then insert intervals, in which the level rises until the water is turned off by hand becomes and no longer increases.

The arrangement is simple and does not require any special timing device it ensures - unlike a simple sixth arrangement - that the does not stop »before jdas ·. Water off; is. so that no There is a risk of overflow;

Furthermore, the invention is described in "its preferred embodiment the Brelisahl during the rinsing process. -.

So it turned out that ". Cbgleicii of the effect: ·" f.Ts.u äee sentz'ixugalen schlexidems progressive with the turning calil -favorable vriröj -the highest-e rinsing effect seilecher. ", Wetin a certain Brehsalil rode over or - the ho tat ion

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to lye is continued. Although, the invention is not of ' depends on a particular operating theory, it is to be assumed * that when the speed increases as much as it is for that It is practical and advantageous to dry the laundry more and more against the drum volume to such an extent is pressed together so that dirt particles located therein are prevented from flowing off and filtering takes place which interferes with rinsing. Therefore, the invention achieved when a particular position of the control means to Rinsing is provided, in which the speed is limited, a better flushing efficiency. With automatic intermittent flushing, the speed can be limited in a simple manner, without the need for a motor designed for a lower one Speed should be controlled than that normally used for spin dryers. .

Such a speed limit during the spin cycle is of value in itself. Therefore, according to a further aspect of the invention, a combined spin-washer and dryer-spin machine contains a drum for receiving laundry, which rotates around its axis in a stationary outer container, means for the drum drive and control means with a rinsing position in which the drum rotates at a speed, which corresponds to a maximum acceleration of the laundry of no more than 300 g , furthermore with a spin dryer position in which the drum rotates at a speed that is significantly higher than the maximum speed when rinsing.

In a further aspect the invention relates to Rinsing method, the placing of laundry in a drum that sioh rotates around its axis in a stationary Aussetbehälters and Drive means therefor; also a means for independent sub-. breaking the drive so that it runs intermittently, as well the continuous supply of rinsing water into the drum both during and outside of the interruption times.

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Preferably, the drive for a pump for emptying an outer container is at the same time as the drive Drum interrupted, with one on the water level in the outer container An appealing switch controls the automatic interruption and restart of the drive for the drum, whereby the flushing process starts when the water is turned on and ends when the water has been turned off.

Further features and details of the invention result from the following description of the depicted in the drawings exemplary embodiment and from the claims.

It shows:

Pig. 1 is a schematic view of the main parts of a combined Washer-dryer and spin-dryer according to the invention,

Pig. 2 a circuit diagram of the machine,

Pig. 3 is a partially sectioned elevation showing the. Shows the position of the movable spout in relation to the washing drum,

Pig. 4 is a view of the control buttons and pig. 5 is a table showing the settings of certain Switching contacts in different positions of the main control button.

The invention is in a combined washer and dryer machine shown.

Like the Pig. 1 shows schematically the, has a vertical axis exhibiting, laundry drum a common Porm. It contains a rotatable, open-top laundry drum 10, which in a stationary outer container 11 to rotate around the vertical axis can. The drum is driven by a drive belt 13 and pulleys 14, 15 driven by an electric motor 12. The motor also drives a pump 16 via a drive belt 17 and pulleys 18, 19 for emptying the outer container

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at. The pump is provided with a two-way valve controllable by a button 20, which connects the pump inlet with either - .. a hose. 21, which he holds on the floor of the outside 11. is connected, or connects to a hose 22 connected to the bottom of the wash tub to be discussed. The _; The pump outlet is connected to a "flow hose 23". .

The outer container 11 is provided with a pressure switch 30, whose contact, 30/1, responds to the water pressure prevailing at the bottom of the container 11, below the level of the Dnieksehalters 30 there is an overflow opening 31 in the container, see. ■ - ■: ■ -

■ The washing part of the machine includes a 35 »wash tub on one of its side walls with a disc-shaped wing, wheel (not shown) is provided. The impeller is going through a belt 37 and pulleys 38, 59 v ° * i a motor 36 driven.

The wash tub is at the bottom with a -Heizerorriehtung "43 and at the top provided with a sand 44 ». The. Heating device tfird controlled by a pressure switch 45, the contact -4-5 / 1 of which is on the pressure at the bottom of the vat and thus the water level ·. responds in the vat.

A water inlet spout 40 of inverted I-shape is telescopically slidable with its vertical leg attached to ^: a fixed inlet pipe 41, which can optionally be connected to an inlet hose 42 having a tap connection (not shown) for supplying fresh Hassers to the haschine is .. _: The rail connection is designed in such a way that it detaches from the tap if the elus is excessively strong and contains an air interruption from which the water flows over if there is sufficient flow.

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According to Pig. 3 the inlet spout can assume two different positions. As the full lines show, has the spout has a lower Ißgerungs- and rinsing position, in which it reaches over the drum and directs the water into it. the The drum is provided with a rotatable cover 25, which seals it at the top and actuates electrical contacts 25/1, and pockets are only allowed with the lid closed. In your In the lower position, the spout prevents the lid from closing not. From this lower position, the spout can be in a upper, dot-dash line position raised and their vertical allowable margin for filling the vat be swiveled ... Its lid must then at least be lifted a little be.

The circuit diagram of the machine is shown in FIG. 2. From it it can be seen that the machine has not yet been mentioned Contains parts. These are a thermostatic main control switch, the dixrch a button 50 on a spindle -51 with three cam disks 52, 53 and 54 controlled.

The cam disk 52 controls two main contacts 52/1 and 52/2 to disconnect the entire machine from the power supply in the switch-off position.

The cam disk 53 sets two thermostatic contacts 53 / H and 53 / C in order to change the temperatures at which a common contact 53/1 switches from one to the other contact. The common contact 53/1 is controlled via a snap-on device by a bellows 55 which is connected to a liquid piston 56 and which is responsive to the temperature in the wash tub. The cam disk 53 is a double opposed, stepped oval disk, one end face of which actuates contact 53 / G and the other end face of which actuates contact 5J- / II , so that both contacts are moved in the same direction. When the temperature in the vat increases, the point is reached at which the bellows on the

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common contact 53/1 have an effect and a munching on the same from the cold contact 53 / C to the hot "contact B3 / H" will »The temperature at which this occurs depends, however on the position of the cam disk 55; this temperature is selected by the user according to the type of fabrics to be washed. The direction is independent in every position From the temperature by regulating it to a temperature adjustable above or below the practical range »

The third cam disk 54 actuates a contact 54/1 to Bridging of the push switch contact 3ö / 1 in a spin positioni however, it leaves the contact according to the invention in be effective in a flushing position »

The washing motor 36 is controlled by a timer 59, which is driven by a motor 61 and is provided with a contact 61/1. The timer is set by means of a button 60, the timer motor is the washing motor connected in parallel in order to make it even at the end of a predetermined, switch off time selected by button 60 *

Vie from Fig. 2 can be seen, the works. Circuit like follows: ■ '-.; .-'

The V / eohselstromklemmen65 are each connected to a current-carrying line 66 via the contact 52/1 and to a neutral line 67 via the contact 52/2. The current-carrying conductor 66 is connected to the common contact 53/1 of the manual cam disk 53, the cold contact 53 / C of which is connected to one terminal of the heating device 43 via the pressure switch contact 45/1. The other terminal is connected to the neutral line 67. vrenn the water in the wash tub cold.! ^{1 is} than the set temperature and the water level indicated by the pressure switch 4.5 is sufficiently high, the heating device 43 receives electricity.

The hot contact 53 / H is via the timer contact 6I / I

with the washing motor 36 and the timer motor 61 with the : neutral line 67 connected. If so, the wash timer set by means of button 60 to a time: has been, and the water in the wash tub has the selected temperature, and if further the common contact 53/1 differs from the cold one Contact 53 / c flips over the hot contact 53 / H, the '' The heater is switched off and the washing motor works automatically! switched on. The timer is also started

and after the selected time has elapsed his contact 61/1 Open and end the washing process automatically.

The hot contact 53 / H is via the hold-down contact 30/1 the drum 10 and via the lid-operated microswitch 25/1 connected to the drum motor 12, the other Kleiane is on the neutral line 67. The hot contact 53 / H and the pressure switch contact 30 / I are bridged by the bypass contact 54/1, but the one in the spin position is not closed in the flush position nor in any other position of the main control button 50. ; "" ■.

The remaining parts of the operating device are essentially the following: .

Like in Pig. 4 is indicated and has already been mentioned, opens the cam 52 of the main control button 50 the contacts 52/1 and 52/2 in order to disconnect the machine from both poles of the power supply in the "off" position, but it closes these contacts in all other positions.

Then der.Knopf has a motor position that is to whirl around is required and the only position is in which the cam disk 54 closes the bridging contact 54/1, • so that the .'Motor 12 can only be operated via the lever-operated micro switch : ter 25/1 is powered, and so that whenever the The lid is closed, the motor 12 is running and the drum 10 is running will set in fast revolutions.

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The button 50 also has a flush position in which the. Bridging contact 54/1 is open. In all of these three positions, namely the engine shut-off position or the position called the throws in a mess. check passes in front of the drum, and the S pulse division, the thermostat contacts are / H is set to a temperature of -5 ° C corresponding position · 53/0 and 53, so that the water Hot always ^be: and the common contact 53/1 will remain in constant contact with the hot contact 53 / H .., consequently · "'. The heating device 43 is switched off« The washing motor runs, provided the timer knob 60 is set accordingly, and / ■ the process of twirling each other can be, controlled by the pressure switch 3O / 1, go ahead;

The other positions of the "control button 50" only need briefly declared ^ to ground, since it is in no way close to the invention .Connection / stand, only so much may be said that the heating. device receives power in every position, "until the water in the Wash tub has reached the allowed temperature, whereupon how. · Already mentioned, the heat of "direction" is switched off and the washing engine is set in motion. It is activated by the wash timer button for eiTLe 60 preset time run. In the ."; The thermostat is set to perhaps 105 ° C for the cooking position. so that the heater remains on, sp long the wash tub contains water. '. . . ,

The flushing process j with which the invention is primarily:. is concerned, takes place as ^follows:; -

For rinsing, the user directs the inlet spout 40 into the, .... drum 10 and closes the cover 25 before closing the contacts 25/1, and then sets the control button 50- _v :

^: on the spiilposition and turns on the faucet, like that. that,; constantly water at a speed of z. JB. _: --4- »5 or. .: - ®t._ 1

..; ■ flows into the drum every minute. The water seeps through the laundry and then flows into the outer container * If the llüs-

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There is a certain hell a little below the drum base. has reached, the pressure switch 50 closes its contacts 30/1 and starts the motor that controls the drum and at the same time that drives the pump;

Initially, when liquid oozes out of the laundry, the The water level in the outer container will rise slightly and then it will the pump when its speed and that of the drum become higher drain the water and gradually increase its level reduce. If the barrel falls below the predetermined low level, the pressure switch opens its contacts 30/1, whereby the motor and the pump come to a standstill. Water will · "continue and penetrates the laundry * This process is repeated until the user turns off the water.

The power of the pump, the speed of the water supply and the characteristics of the motor as well as the settings of the pressure switch are selected so that the motor is switched off at a speed significantly below the full speed used to spin the laundry around. In one particular embodiment, s. B. the full zam spin drying speed used about / min 2300 U, the maxi sale with the control switch in the flushing reached speed but about / min 1400 rpm, which is at an "Troinnie! Diameter of approx, 200 now, a maximum centrifugal acceleration of approximately 22G g is generated. Under normal conditions, the! •! Otor is switched off for one to two minutes and switched on for about a quarter of a minute in each cycle.

The cutting speed of the drum depends partly on from the flowing speed of the entering water, because it is accelerated before the discharge and therefore on the The drum has a braking effect. On the other hand, it is prolonged an increase in the speed of the incoming water - the CeitspauTie ,. those for eiii lowering the level until euei response

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of the pressure switch is required. These "two actuators • tend to mutually achieve axis'zug3.eq.gfc.en, iun fine of Je | ijeseli Speed äiep inflowing] fiber, rs less maximum] speed"

The desQlirie "flat arrangement creates an extremely ef means to achieve a better centrifugal rinse effect ^ pg (liirch ^ eschi-anken the speed wäibren ^ of the Sptily ^ rgang, plipe elne _r IiotorsQlialnung to keep a / r. Speed to sweep the lower The better rinsing effect is not only dependent on the speed limit, but also on the limit of the duration of the rotation period, and this is achieved without using a timer The descriptive rinsing process is also advantageous for the treatment of so-called!

Expectations;

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Claims (1)

- 15 claims , Sole eude rs pülma s chine with a drum for rinsing Laundry ^ around its axis in a fixed outer container can be rotated and an automatically switched off, Drive for the intermittent running of the drum, thereby marked j that the supply of rinse water ■ takes place at least in the idle times of the drive. Or 'machine according to claim 1 for spin-rinsing and dry-spinning, characterized in that it can be adjusted by a control means (50) into a rinsing position in which the drum (10) rotates at a speed that corresponds to a maximum acceleration of the laundry of at most 300 g 'corresponds to, and is in a _ ₌ Irockenschleüdersteilung in which rotates the drum (10) at a speed substantially höher.als the maximum Spüldrehzahl. 3. Machine according to claim 2, characterized in that the The drive (12) is interrupted in such a way that it is exceeded the maximum acceleration of the laundry of about 300 g is prevented. ~. 4. Machine according to one of the preceding claims, characterized marked that each cycle time is between 10 and 30 seconds. lies, · 5. Machine according to one of the preceding claims, characterized in that a time switch (59) the means for Interrupt and restart controls, 6. Machine according to .. one of claims 1 to 4> characterized in that the means for automatic interruption and switching on the drive (12) for the drum again, (10) responds to their speed. . 009808/0335 7. Machine according to one of claims 1 to 4, characterized in that it contains a pump (16) for emptying the outer container (11), the drive of which is interrupted at the same time as that of the drum (10) the pressure switch (30) responding to the water level in the outer container (11) controls the automatic interruption and restart of the drum drive (12). 8. Haschine according to one of the preceding claims, characterized characterized in that it has a spout (40) attached to it for letting water into the drum (10). 9. Machine according to claim 8, characterized in that the Drum (10) has a vertical axis, is open at the top and is provided with a rotatable cover (25) which controls contacts which only allow the drum to be driven when the lid is closed, and that the spout (4-0) under the Lid is arranged. 10. Combined washing machine according to claim 8 or 9, characterized in that the inlet spout (40) can be moved between two positions in which water enters the Drum. (10) or in a special wash tub (44) flows. 11. Combined Schleuderspül- and spin-drying machine comprising a drum for washing laundry, which is about its axis in a stationary outer container rotatably ISIR offset, and by a drive in rotation, characterized in that the machine by a control means (50) in a Spüls . Position is adjustable, in which the drum (10) rotates at a speed that corresponds to a maximum acceleration of the laundry of at most 500 g, and in a spin dryer position in which the drum rotates at a speed that is significantly higher than the is the maximum flushing speed. ■ 009808/0335 _BAD 12. Method for spin rinsing, gekemizeaehnet through there? Loading of laundry into a drum (1O) ₁ which is rotated around its axis in a stationary outer container (11) by a drive (12) a constant supply of rinsing water into the drum inside and outside the sub-pages, 13. The method according to claim 12, characterized in that the drive for a Pximpe (16) z ~ on emptying an outer container (11) and that for the drum (1Q) 'are interrupted at the same time, "in order to automatically interrupt the means and V, ^T iedereinsehalten of the drum drive by a aui "the water level in the outer container (11) ansprechenäen switch (30) to be controlled. The attorney for fat 0098 08/03 3 5 BATH .-W-L e rp a te