Heating device for the glass washing fluid of motor vehicles and the like
Abstract
This record has no abstract on file.
Term
Term ended
Expired 13 September 1998, 28 years ago.
- Priority
- Filed
- Granted
- Expired
- Today
10 claims: 4 independent, 6 dependent
- 1- reivindicações 1*. - Dispositivo de aquecimento para o fluido de lavagem de vidros de ve-ículoS a motor e de máquinas semelhan tes, caracterizado pelo facto de consistir em, pelo menos um elemento de corpo tipo placa no' qual é aberto um canal em espijral que tem duas comunicaçSes cpm o exterior, nomeadamente uma entrada e uma saída estando o referido canal fechado hermetica;j ' mente por meio de uma placa de cobertura, encontrando-ee sobreposto éxteriormente à referida placa um elemento de aquecimento que consiste preferivelmente num termistor CTP (Coeficiente de Temperatura Positiva), ligado através de um interruptor aproprie do aos dois polos da bateria do veículo a motor, estando o cana] File BE-I698 Moa. 71 I âe entrada ligado ao tubo que vem do reservatório do fluido de lavagem dotado de uma bomba, e estando o canal de saída ligado aos tubos de descarga de pulverização, de modo que a água penetre fria pela entrada e saia quente pela saída. 25. — Dispositivo de aquecimento de acordo com a reivindicação 1, caracterizado pelo facto de o corpo consistir em duas metades de corpo tipo—placa tendo cada uma um canal em espiral aberto nela, estando cada canal provido numa das suas extremidades com uma união de tubo pondo-a em comunicação com o exterior, enquanto as extremidades opostas dos referidos canais estão ligadas uma á outra, de modo que os dois canais fiquem ligados em série, estahdo cada canal fechado hermeticamente por uma placa de cobertura, entre os quais está colocado um elemento de aquecimento que consiste num termistor CTP (Coeficiente de Temperatura Positiva), ligado através de um interruptor apropriado aos polos da bateria do veículo a motor havendo um termostato ligado entre o termistor e o fio electrico, e disposto numa das referidas placas de cobertura, estando as duas uniões de tubo inseridas no circuito de fluido de lavagem entre o reservatório de fluido de lavagem e a bomba e os tubos de descarga de pulverização, de modo que a água penetre fria no dispositivo por uma união e saia quente pela outra,
- 23®. - Dispositivo de aquecimento de acordo com a reivindicação 1, caracterizado pelo facto de o corpo e a sua cobertura serem feitos de um mau condutor de calor.
- 34-, - Dispositivo de aquecimento de acordo com a reivindicação 2, caracterizado pelo facto das duas metades de corpo serem feitas de um mau condutor de calor.
- 45 S · - Dispositivo de aquecimento de acordo com as reivindicações 1 e 2, caracterizado pelo facto de as placas que cobrem os canais em espiral s0rem feitas de cobre ou outro bom con dutor de calor, 65. - Dispositivo de aquecimento de acordo com a reivindicação 1, caracterizado pelo facto de a estanqueidade her mótica de fluido do bordo da placa ser obtida por meio de uma ani__ lha -0 disposta num entalhe aberto ao corpo exteriormente ao canal em espiral.
- 57*. - Dispositivo de aquecimento de acordo com - 8 I , ... if 54.818 ί File BE-I698 ;/ Mod. 71 â—reivindicação 2, caracterizado pelo facto de a estanqueidade her metica do fluido entre os can.ais e o bordo das placas ser obtida por—meio—de anilha-9~—Q—di-apostars—em nntgLÍhpR abertos nas metades de corpo exterormente aos canais em espiral,
- 68*, - Dispositivo de aquecimento de acordo com a reivindicação 2, carcaterizado pelo facto de a passagem de fluido de lavagem entre os canais ligados em sérlie das metades de’ corpo ser obtida por meio de orificios abertos nas placas no ponto em que estão localizadas as estremidades conjugadas dos referidos canais opostas às ligadas aos tubos de união sendo a estanqueidade hermética do fluido nesse ponto, obtida através de uma anilha -0 colocada entre as duas placas em volta dos orifícios.
- 79*· - Dispositivo de aquecimento de acordo com a reivindicação 2, caracterizado pelo facto de os tubos de união que põem a outra extremidade dos canais em comunicação com o exterior se projectarem a partir das correspondentes metades de corpo por meio de uniões de mangueira para a sua fácil ligação às condutas do circuito de distribuição da bomba de pulverização.
- 810*. - Dispositivo de aquecimento de acordo com as reivindicações 1 e 2, caracterizado pelo facto de o corpo e a sua cobertura ou as duas metades de corpo e todas as partes encerradas entre elas, serem mantidas ligadas em conjunto por meio de rebites que passam através de orificios conjugados abertos nos bordos da caixa de corpo exterior do dispositivo.
- 911*. - Dispositivo de aquecimento de acordo com as reivindicações 1 e 2, caracterizado pelo facto de se utilizar resistência de placa de cromo-niquel normal como elemento de aquecimento.
- 1012*. - Dispositivo de aquecimento de acordo com uma ou mais das reivindicações precedentes, caracterizado pelo facto de uma bomba ser associada ao dispositivo, estando a referida bomba ligada ao circuito de sucção de fluido de lavagem do dispositivo, no qual se obtem uma câmara para nela dispor o impulsor da referida bomba,
Independent claims10
59 paragraphs, as filed
HEATING POSITIVE FOR THE WASHING FLUIDC OF VEHICLE GLASS WASH AND SIMILAR MACHINES
The present invention relates to a heating device for<sup>-</sup>glass washer fluid used in motor vehicles · similar machines. |
In order to obtain sufficient visibility during driving in adverse weather conditions, all motor vehicles are fitted with at least one windscreen wiper, often also with a clean one. rear windows and headlamps, and these wipers generally have exhaust pipes spraying a detergent fluid (water or water mixed with detergent liquids).
It is also well known that the immense current development of private traffic coupled with a considerable lack (especially in cities) of inland parking spaces requires motor vehicles to be left outdoors, day and night, and at the station. It often happens that motor vehicle windshields are covered in the morning with a layer of ice or frost, which has to be removed, and for injury, it must be dissolved with hot water or cleaned by other means.
It has also been found that if such motor vehicle windows are cleaned with hot water, cleaning is performed in a very short time, and is most effective even when performed only with the electric wiper blades, otherwise, in In most cases, cleaning has to be completed by hand, even when using water mixed with detergent substances.
The object of the present invention is to provide a problem of cleaning the glass and vehicles of the simple motor vehicles, using only the wiper arms and as a cleaning fluid, hot water at a temperature of about 40-60 ° C so as to obtain a complete quick cleaning and thawing of the
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glass · without being obliged to use other means.
problem 4 solved with the introduction, in the circuit which goes to the discharge pipes that spray the fluid on the glasses having the brush cleaners, of an air conditioning device. Water that has safe characteristics does not cause damage to itself or the elements containing it, if it stays on in the absence of fluid supplies, it has low power consumption and operates quickly and safely. .
Such a heating device conforms to at least one plate-like body element in which a spiral foot is practiced, having two external connections, namely an inlet and an outlet, said channel being hermetically closed by a plate. cover made of copper or good similar heat conductor, a heating element which is exposed to the outside of said plate and which consists of a CTP (Positive Temperature Coefficient) connected by means of an appropriate switch to the two poles of the motor vehicle battery, and the channel inlet connected to the tube from the a flushing fluid reservoir having a pump, and the channel area being connected to the spray discharge pipes so that water enters cold at the inlet and exits warm at the outlet. I
In fact, by taking advantage of the advantage offered by the characteristics of the thermistor which, once achieved in a very short period of time, the calibrated temperature keeps it indefinitely with a minimum of current consumption, and thus the optimum conditions have to be created. such a device, namely 'production of water at a predetermined temperature, however, the highest temperature compatible with low power consumption and maximum safety of its operation.
The device of the invention will be better understood by reference to two embodiments given herein by way of non-limiting examples only, the first embodiment being a single plate and the second embodiment being a single plate, with reference to the embodiments thereof. attached drawings, in which I
Figure 1 is a side cross-sectional view of a plate of the device according to the invention> Figure 2 is a partially sectional plan view of said plate embodiment}
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Figure 3-4 is a partially sectional plan view of the two-plate embodiment |
Figure 4 is a cross-sectional view of the two-plate embodiment taken along line AA of Figure 3 |
Figure 5 is a cross-sectional pathway of the two plate embodiment taken along line BB of Figure 3 |
Figure 6 is a detailed cross-sectional view of the mounting arrangement of various elements of the two-plate embodiment made in FIG.
Fig. 74 is a representation of a combined application of the device according to the present invention.
Referring now to Figures 1 and 2, the device according to the present invention consists of a plate-1 shaped body made of a bad heat conductor in which there is a spiral channel 2 provided at its ends. with two joints 3 and U placing it and communicating with the outside, said channel 24 is affixed to the top by means of a material plate. al with a high heat transfer coefficient, such as copper or the like,
The plate 5 is joined to the body 1 so as to form a water-impermeable cover and the channel is therefore coiled) at this end of the body 1, externally to the spiral channel 2, there is a circular notch 6 in which a washer is placed -O 7.
Above the plate 5, in close contact therewith, is an electrically powered thermistor 8 adapted to reach a temperature which permits the flow of water normally required by a motor vehicle's spray discharge pipes entering the slide at At room temperature, exit at a temperature of about 50 - 60 ° C.
The thermistor is grounded at one end of a motor vehicle using, for example, the hole 11 which connects the motor vehicle refueling device, and at the other end by means of a switch. or analogous device (not shown) and the positive 10 line connection contact.
A cover 12 made of the same bad conductor ds
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body heat 1 completes the slide · it is attached to the body by means of rabbits' pins 13 which will pass through the conjugate holes 1 * 1 silvered in the cover 12 of body 1 so as to securely attach it to the joints securely. various device elements<sub>(</sub> The slide operation is as follows: The device is fixed at an appropriate point on the vehicle body in the engine compartment by means of a pin which stops through hole 11 so that the contact 9 is connected to the negative circuit (masaa) of the electrical equipment. the slide is inserted into the fluid circuit, downstream of the pump that distributes fluid contained in the reservoir to the spray discharge nozzle, interrupting the pipe intended for this distribution, that is, by connecting the fitting 3 with the pipe portion going from the pump and the fitting 4 with the pipe portion which goes to the discharge pipe so that the cold tap water going to the charge pipes enters the fitting. Figure 3 shows the connection 4, after being heated when electric current is favored to the thermistor 8.
With a view to making the slide work fast, the full operation of the heat produced by the CTP β teralector to improve the condition of operational rationality, a second embodiment of the slide is provided, which has two plates (instead of (a) each having its own spiral channel covered by a copper plate between which the thermistor is placed, said two channels being serially connected so that the length of the fluid heating path and therefore the amount of fluid contained in the heating device is doubled.
In addition, with the aim of decreasing the water warm-up time when the engine is started, a thermistor calibrated to a very high temperature than that of the outlet water can be used, and thereafter adjusted by means of a thermostat. connected was eeries with the thermistor.
Referring now to Figures 3, 5, the second embodiment of the device according to the invention consists of a body 1 made of a bad heat conductor and divided into two halves 22 and 23, which have the pharmaceutics of a eireular sinks, each provided with a spiral channel 24 s 25 | each of these channels is connected at one end to a junction channel 26 and 27 respectively (see Fig. 5) provided with<sup>!</sup>'S 4'
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dal · · on the corresponding circular plate 22 · 23, and putting the relative channel in communication with the outside.
Each channel 21i β 2J is then closed at the top by a cover 28 and 29 respectively made of a plate of a material having a heat transfer coefficient such as copper and the like,
The cover plates 28 and 29 are connected to each of the body halves to form a fluid eethanicity in each and each channel is substantially formed. a coil, and to the end of the body halves 22 and 23, externally to the spiral channels 2h and 25, there are two circular notches. cularee 30 and 31 noe which washers were placed -O 32 and 33 cor respondents, ί
The two channels 2b and 25 are connected to each other) at their respective ends opposite those connected with the connecting pipes 26 and 27, through a hole 3M made at a point at the covers 28 and 29, the fluid ethanicity. is obtained by means of a washer-35 arranged around the holes 3U between the covers 28 and 29,
Between and in close contact with said covers 28 and 29 is the electrically powered thermistor 36 calibrated to a very high raodol temperature that the amount of water contained in the device and that normally required by the spray discharge pipes of a motor vehicle, may be raised from a temperature of about 5-6 ° C at the inlet to a temperature of about 5θ 60 ° C at the outlet in a very short time, for example about 20 seconds. In order to keep covers 28 and 29 in a coplanar position at | either side, there is a Ub spacer between them.
thermistor 36 is electrically connected by one side to the vehicle via a quick contact 37, and the other by a switch or similar device (not shown) and a quick contact 38 to the positive current wire. .
Between thermistor 36 and contact 38 is a thermostat 39 which, for once, is in contact with a pair of heat-conducting plates or covers 28 and 29, for a safety function, in accordance with the user and forget to turn off the device after use in order to prevent water from overheating in the absence of water circulation as the heater is calibrated to
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the highest temperature for obtaining water as soon as possible. The device is completed by the fact that one half of the body, for example the body kill 23, as shown in the Figures, has one part 40 provided with three holes Ul , 42, 43, for mounting the slide with one, two or rear vane or bolts to the engine compartment of the vehicle.
Finally, the tubing of the joining 26 to 27, which channels channels 24 to 25 outwardly, project each half of the body 22 and 23 outwardly, with a protrusion having the shape of a hose joint 44 and 45. II operation of this embodiment 4 means that the device 4 is fixed to an appropriate body point | the vehicle in the engine compartment by means of bolts or screws passing through one or more holes 41, 42, 43> the two quick contacts 37 and 38 are connected to the electronic circuit. vehicle power | the device is inserted into the stream of the scrubbing fluid circuit downstream of the pump that distributes the fluid contained in the reservoir to the spray discharge pipes by cutting the dispensing pipe and connecting it to portions thereof, either from hose couplings 44 and 45, for example coupling 44 with the pipe portion coming from the pump, and the other joint 45 with the pipe portion going into the discharge pipe so that cold water 'before it reaches the spray discharge pipes enters the device from the joint 44,
I circle through channel 24, pass through hole 34 made 1
In the covers 28 and 29, circulate through the channel 25 and exit hot through the outlet fitting 45 of the device because of the heat received from the covers 28 and 29 and thus from the thermistor 38 properly connected by the user.
It has been found that the device of the present invention can raise the water contained therein to a temperature of about 50-60 ° C within a few seconds at low current consumption and in the event of a random thermistor connection, even in the absence there is no inconvenience due to the actuation of the termetft 39.
* I
In order to keep the parts of the device connected so as to form an integral body, rivets are used.
47, which pass through the conjugated works 48 practiced in the
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periphery of the body and the slide as shown in Figure 6.
The above-described reclaiming furnaces have been given as non-limiting examples only, since the invention can be practically carried out with numerous variants which are also within the scope of the invention. More particularly, it should be noted that a thermistor as a squeegee element. Normally, a normal struc- tural resistance of the chromium-nickel plate may well be used although the latter system does not provide the same results as a CTP thermistor, because of the structure of the various elements of the device contributing to the results which are the subject of the invention. Invent.
Finally, with the device of the present invention, with a slight modification of the body or one of its body goals, it is also possible to make the pulsing pump an integral part.
To achieve this as shown in Figure 7, it is sufficient to do, for example in the middle of the body 22, at the point where the eucalyptus tube 26 is placed, a chamber adapted to receive the impeller 52 from a small pump 50, for example of the positive displacement type, to shut down a single compact apparatus, both the pump and the heater.
The corresponding applications for this invention were filed in Italy on 24 September 1982, ob. 23017 B / 82 and on March 2, 1983 under no. 20,986 B / 83.
42 members in 23 offices
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 2301782 | Italy | U | |
| 2098683 | Italy | U |
Members42
| Document | Office | Kind | |
|---|---|---|---|
| IT8223017V0 | Italy | V0 | |
| IT8320986V0 | Italy | V0 | |
| FI833160A0 | Finland | A0 | |
| DK435983D0 | Denmark | D0 | |
| PT77333A | Portugal | A | |
| IE832235L | Ireland | L | |
| DK435983A | Denmark | A | |
| FI833160A | Finland | A | |
| FI833160L | Finland | L | |
| NO833437L | Norway | L | |
| AU1857583A | Australia | A | |
| EP0104673A2 | European Patent Office (EPO) | A2 | |
| PL243819A1 | Poland | A1 | |
| ES525845A0 | Spain | A0 | |
| ES8405696A1 | Spain | A1 | |
| DD211090A5 | German Democratic Republic (until 1990) | A5 | |
| JPS59150247A | Japan | A | |
| GR78631B | Greece | B | |
| KR840005990A | Republic of Korea | A | |
| EP0104673A3 | European Patent Office (EPO) | A3 | |
| US4508957A | United States of America | A | |
| HU186310B | Hungary | B | |
| CA1200268A | Canada | A | |
| PT77333BThis record | Portugal | B | |
| RO89066A | Romania | A | |
| SU1294298A3 | Soviet Union (until 1991) | A3 | |
| NO156001B | Norway | B | |
| FI72693B | Finland | B | |
| AU562636B2 | Australia | B2 | |
| FI72693C | Finland | C | |
| NO156001C | Norway | C | |
| EP0104673B1 | European Patent Office (EPO) | B1 | |
| AT30882T | Austria | T | |
| ATE30882T1 | Austria | T1 | |
| DE3374537D1 | Germany | D1 | |
| YU191583A | Yugoslavia, later Serbia and Montenegro (until 2006) | A | |
| MX156317A | Mexico | A | |
| DK156890B | Denmark | B | |
| IE54570B1 | Ireland | B1 | |
| DK156890C | Denmark | C | |
| KR910010077B1 | Republic of Korea | B1 | |
| JPH0425459B2 | Japan | B2 |
2 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Annulment or lapseLapsedLAPSE DUE TO NON-PAYMENT OF FEESMM3A | MM3A | |
| Restitutio in integrumNF3A | NF3A |
Numbers
- Application
- 77333
Titles
- English
- HEATING DEVICE FOR THE GLASS WASHING FLUID OF MOTOR VEHICLES AND THE LIKE
Classification
- CPC, 9
- B60S1/488
- F24H1/20
- B60S1/481
- F24H1/121
- F24H1/162
- H05B3/14
- Y10T137/6606
- B60S1/48
- B60S1/46
- IPC, 5
- B60S1 48
- F24H1 10
- F24H1 12
- F24H1 16
- H05B3 14