WO2005104923A1 - Dishwasher with movable water circulating pump - Google Patents

Dishwasher with movable water circulating pump Download PDF

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Publication number
WO2005104923A1
WO2005104923A1 PCT/IN2005/000113 IN2005000113W WO2005104923A1 WO 2005104923 A1 WO2005104923 A1 WO 2005104923A1 IN 2005000113 W IN2005000113 W IN 2005000113W WO 2005104923 A1 WO2005104923 A1 WO 2005104923A1
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WO
WIPO (PCT)
Prior art keywords
water
washer
dish
stand
dishes
Prior art date
Application number
PCT/IN2005/000113
Other languages
French (fr)
Inventor
Pramod Kumar
Original Assignee
Pramod Kumar
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pramod Kumar filed Critical Pramod Kumar
Publication of WO2005104923A1 publication Critical patent/WO2005104923A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4225—Arrangements or adaption of recirculation or discharge pumps

Definitions

  • This invention relates to a dish-washer, a kitchen device for washing dishes mechanically
  • the crude method of washing dishes is by hands which is not only time-consuming, but also needs a lot of water and is psychologically repulsive.
  • This dish-washer aims to minimize the housewife's daily chores. It is also the object of this invention to have a device which is very simple in construction, easy for operation and also available at an affordable price.
  • a dish-washer for washing dishes mechanically, comprises a steel body placed inside another bigger steel body, with their bases joined together. There are slits/cuts/holes in the lower portion of the smaller body so that water can move from the bigger body into smaller body and vice-versa.
  • the smaller body has a false base to reduce the volume of the lower portion of this unit which serves as a water tank too.
  • a water- pump, mounted on a stand with wheels, rests on top of the smaller body. This stand is connected through strings to a pulley on one side and the pulley of a slow moving motor on another side. This motor can rotate at very slow speed in both clock-wise and anti clock-wise directions.
  • the inlet of the water pump is connected to a pipe which is immersed in the water tank below.
  • the outlet of the water pump is connected to a pipe which is joined to a set of three pipes having a number of small-small holes.
  • the said set of three pipes are connected to another pipe in such a way that each pipe of the said set of three pipes make an angle of 90 degrees with the said connecting pipe.
  • This pipe along with the set of three pipes enters the smaller steel body through a slit in its rear part.
  • the smaller steel body has two cage-like stands for keeping dishes.
  • the positioning of the three pipes having small-small holes is such that the upper stand has a pipe above and a pipe beneath it and the lower stand has a pipe beneath it.
  • Beneath the upper stand are two shafts mounted on thrust bearings. Their upper ends rise a little above the stand and are attached to scrubbers. There are clamps fixed on this stand to hold the dishes, in which food has been cooked, firmly.
  • the pulleys of these shafts are connected, through strings, to the pulley of a fast moving motor.
  • Below the stands and just above the water tank is a very fine net/sieve to filter the water.
  • Inlet and outlet pipes are connected to solenoid valves to fill and drain out water in the water tank respectively.
  • a water heater, fitted with a thermostat heats water in the tank to the desired temperature.
  • the whole system is electrically connected to suitable timing devices.
  • Fig. 1 shows the layout diagram of the dish-washer
  • Fig.2 shows the stand with wheels, with water pump along with connected pipes mounted on it, in movement from left to right and from right to left
  • Fig.3 shows how the scrubbers rotate and scrub the dishes in which food has been cooked.
  • a steel body (1) is place inside another bigger steel body (2) with their bases joined together.
  • the smaller body has a false base (25) to reduce the volume of the lower portion of this unit which serves as a water tank (12) too.
  • a water pump (5) mounted on a stand with wheels (6) rests on top of the smaller body.
  • This stand is connected, through strings (7) and (8) to a pulley (9) on one side and the pulley of a slow-moving motor (10) on another side.
  • This motor can rotate at very slow speed in both clock-wise and anti clock-wise directions.
  • the inlet of the water pump is connected to a pipe (11) which is immersed in the water tank below.
  • the outlet of the water pump is connected to a pipe (13) which is joined to a set of three pipes (14, 15, 16) having a number of small-small holes.
  • This pipe along with the set of three pipes, enters the smaller steel body through a slit (not shown in the figure) in its rear part.
  • the smaller steel body has two cage-like stands (17, 18) for keeping the dishes. On upper stand are placed container dishes (like tumblers, cooking bowls, pressure cooker, plates etc.) and on lower stand are kept other dishes like knives, forks, spoons, small bowls etc. in their respective spaces.
  • the positioning of the three pipes having small- small holes is such that the upper stand has a pipe above and a pipe beneath it and the lower stand has a pipe below it.
  • Beneath the upper stand are two shafts (19) mounted on thrust bearings. Their upper ends rise a little above the stand and are attached to scrubbers.
  • the pulleys of these shafts are connected, through strings, to the pulley of a fast moving motor (20). Bigger bowls used for cooking, like pressure cookers etc., are placed upside down with scrubbers inside their bodies, to facilitate scrubbing when the motor rotates at high speed. They are held firmly in their places by clamps (26) fixed on the upper stand.
  • a very fine net/sieve (21) to filter water before allowing it to fall into the water tank.
  • Inlet (22) and outlet (23) pipes are connected to solenoid valves (not shown in the figure).
  • solenoid valves When the solenoid valves are activated on passage of current, water gets filled in or drained out of the water tank respectively.
  • the water pump (5), the slow moving motor (10), the fast moving motor (20) are all simultaneously activated. These are all attached to suitable timing device(s).
  • the water pump When the water pump is switched on, it sucks hot water and transmits it to pipe number (14). The hot water mixed with cleaning liquid is then distributed to all the pipes and forces its way out from the tiny holes with great speed and pressure.
  • the fast moving motor (20) starts rotating at high speed and along with it the attached shafts with scrubbers also rotate. The big bowls placed upside down with scrubbers inside their bodies are thoroughly scVubbed.
  • the slow moving motor (10) also starts rotating in clock-wise direction and as it rotates the stand with wheels, with water pump along with connected pipes mounted on it, also moves from left to right. After some time, this motor moves in the reverse direction, i.e., in anti-clock wise direction, and as it moves, the stand just referred to also moves from right to left. This rhythmic movement goes on. As the pipes move, hot water mixed with cleaning liquid is put on the inner and outer bodies of all the dishes. Food particles and oil etc. fall down and remain in the net/sieve (21) below.
  • the water passes through the net/sieve and goes back into the tank and is thus recycled a number of times in a span of 2-3 minutes with the result that all the dishes have been washed with the cleaning liquid mixed hot water and have been thoroughly cleaned. They have only to be rinsed now.
  • the water pump, the slow moving motor, the fast moving motor, the heater are switched off and the solenoid valve in the drainage pipe activated to drain out water.
  • the solenoid valve in the inlet pipe (22) is activated and the tank is again filled with water. After that the entire process referred to above is repeated with the only difference that now cold water is used instead of hot water. In about 1-2 minutes all the dishes are rinsed.
  • the solenoid valve in the drainage pipe is again activated to drain out water.
  • the dishes can either be taken out of the shelves or allowed to remain there to become completely dry.
  • ADVANTAGES This system saves a lot of time otherwise spent on washing dishes manually, uses less water and cleans the dishes in a hygienic manner untouched by hands.

Abstract

The dishwasher comprises a steel body (1) with two cage-like stands (17, 18), a false base (25) and slits in its lower portion, placed inside another bigger steel body (2), with their bases joined together. The lower portion serves as a water tank. A water pump (5), with a pipe (11) immersed in water connected to its inlet, and another pipe (13) joined to a set of three pipes (14, 15, 16) having small-small holes which run through these stands, connected to its outlet, is mounted on a stand with wheels (6). This stand is connected to a slow moving motor which can rotate in both the directions. And, as it rotates, the stand also moves from left to right and vice versa. Two scrubbers, motor driven, are positioned on the upper stand to scrub bigger cooking bowls. Used dishes are placed upside down on the stands. Initially, hot water mixed with cleaning liquid, gushes out of the pipes with small-small holes and falls on the inner and outer bodies of the dishes. The stand moves from left to right and vice versa repeatedly. After that, the process is repeated with plain cold water to rinse the dishes. This system uses less water and cleans the dishes in a hygienic manner in very less time.

Description

DISHWASHER WITH MOVABLE WATER CIRCULATING PUMP
The following specification particularly describes and ascertains the nature of this invention and the manner in which it is to be performed -
This invention relates to a dish-washer, a kitchen device for washing dishes mechanically
The crude method of washing dishes is by hands which is not only time-consuming, but also needs a lot of water and is psychologically repulsive. This dish-washer aims to minimize the housewife's daily chores. It is also the object of this invention to have a device which is very simple in construction, easy for operation and also available at an affordable price.
Thus, according to this invention, a dish-washer for washing dishes mechanically, comprises a steel body placed inside another bigger steel body, with their bases joined together. There are slits/cuts/holes in the lower portion of the smaller body so that water can move from the bigger body into smaller body and vice-versa. The smaller body has a false base to reduce the volume of the lower portion of this unit which serves as a water tank too. A water- pump, mounted on a stand with wheels, rests on top of the smaller body. This stand is connected through strings to a pulley on one side and the pulley of a slow moving motor on another side. This motor can rotate at very slow speed in both clock-wise and anti clock-wise directions. And as it rotates, the stand also moves from left to right and from right to left. The inlet of the water pump is connected to a pipe which is immersed in the water tank below. The outlet of the water pump is connected to a pipe which is joined to a set of three pipes having a number of small-small holes. The said set of three pipes are connected to another pipe in such a way that each pipe of the said set of three pipes make an angle of 90 degrees with the said connecting pipe. This pipe along with the set of three pipes enters the smaller steel body through a slit in its rear part. The smaller steel body has two cage-like stands for keeping dishes. The positioning of the three pipes having small-small holes is such that the upper stand has a pipe above and a pipe beneath it and the lower stand has a pipe beneath it. Beneath the upper stand are two shafts mounted on thrust bearings. Their upper ends rise a little above the stand and are attached to scrubbers. There are clamps fixed on this stand to hold the dishes, in which food has been cooked, firmly. The pulleys of these shafts are connected, through strings, to the pulley of a fast moving motor. Below the stands and just above the water tank is a very fine net/sieve to filter the water. Inlet and outlet pipes are connected to solenoid valves to fill and drain out water in the water tank respectively. A water heater, fitted with a thermostat, heats water in the tank to the desired temperature. The whole system is electrically connected to suitable timing devices.
Now the invention will be more clearly described with reference to Figures 1, 2 and 3 of the drawings wherein Fig. 1 shows the layout diagram of the dish-washer, Fig.2 shows the stand with wheels, with water pump along with connected pipes mounted on it, in movement from left to right and from right to left, and Fig.3 shows how the scrubbers rotate and scrub the dishes in which food has been cooked.
Referring to Fig.l, a steel body (1) is place inside another bigger steel body (2) with their bases joined together. There are slits/cuts/holes (3) and (4) in the lower portion of the smaller body so that water can move from the bigger body into smaller body and vice-versa. The smaller body has a false base (25) to reduce the volume of the lower portion of this unit which serves as a water tank (12) too. A water pump (5) mounted on a stand with wheels (6) rests on top of the smaller body. This stand is connected, through strings (7) and (8) to a pulley (9) on one side and the pulley of a slow-moving motor (10) on another side. This motor can rotate at very slow speed in both clock-wise and anti clock-wise directions. And, as it rotates, the stand also moves from left to right and from right to left. The inlet of the water pump is connected to a pipe (11) which is immersed in the water tank below. The outlet of the water pump is connected to a pipe (13) which is joined to a set of three pipes (14, 15, 16) having a number of small-small holes. This pipe, along with the set of three pipes, enters the smaller steel body through a slit (not shown in the figure) in its rear part. The smaller steel body has two cage-like stands (17, 18) for keeping the dishes. On upper stand are placed container dishes (like tumblers, cooking bowls, pressure cooker, plates etc.) and on lower stand are kept other dishes like knives, forks, spoons, small bowls etc. in their respective spaces. The positioning of the three pipes having small- small holes is such that the upper stand has a pipe above and a pipe beneath it and the lower stand has a pipe below it. Beneath the upper stand are two shafts (19) mounted on thrust bearings. Their upper ends rise a little above the stand and are attached to scrubbers. The pulleys of these shafts are connected, through strings, to the pulley of a fast moving motor (20). Bigger bowls used for cooking, like pressure cookers etc., are placed upside down with scrubbers inside their bodies, to facilitate scrubbing when the motor rotates at high speed. They are held firmly in their places by clamps (26) fixed on the upper stand. Below the stands and just above the water tank is a very fine net/sieve (21) to filter water before allowing it to fall into the water tank. Inlet (22) and outlet (23) pipes are connected to solenoid valves (not shown in the figure). When the solenoid valves are activated on passage of current, water gets filled in or drained out of the water tank respectively. A water heater (24), fitted with a thermostat, heats water in the tank to the desired temperature. The entire system is electrically connected to suitable timing devices.
WORKING OF THE INVENTIO To start, used dishes are placed on the stands. Tumblers, bowls, etc., are placed upside down on upper stand (17). Bigger bowls used for cooking, like pressure cookers etc. are placed upside down with scrubbers (19) inside their bodies, to facilitate scrubbing when the motor (20) rotates at high speed. They are held firmly in their places by clamps (26) fixed on the upper stand. Other dishes like plates, knives, forks, spoons, etc., are placed in their respective spaces on upper stand (17) and lower stand (18). Water is filled in the tank. Some cleaning liquid is also mixed in it. Heater (24) is switched on. When the temperature of the water reaches a certain point, the heater is automatically switched off. Temperature of the water is maintained throughout the operation. At this point, the water pump (5), the slow moving motor (10), the fast moving motor (20) are all simultaneously activated. These are all attached to suitable timing device(s). When the water pump is switched on, it sucks hot water and transmits it to pipe number (14). The hot water mixed with cleaning liquid is then distributed to all the pipes and forces its way out from the tiny holes with great speed and pressure. At the same time, the fast moving motor (20) starts rotating at high speed and along with it the attached shafts with scrubbers also rotate. The big bowls placed upside down with scrubbers inside their bodies are thoroughly scVubbed. Simultaneously, the slow moving motor (10) also starts rotating in clock-wise direction and as it rotates the stand with wheels, with water pump along with connected pipes mounted on it, also moves from left to right. After some time, this motor moves in the reverse direction, i.e., in anti-clock wise direction, and as it moves, the stand just referred to also moves from right to left. This rhythmic movement goes on. As the pipes move, hot water mixed with cleaning liquid is put on the inner and outer bodies of all the dishes. Food particles and oil etc. fall down and remain in the net/sieve (21) below. The water passes through the net/sieve and goes back into the tank and is thus recycled a number of times in a span of 2-3 minutes with the result that all the dishes have been washed with the cleaning liquid mixed hot water and have been thoroughly cleaned. They have only to be rinsed now.
For rinsing, the water pump, the slow moving motor, the fast moving motor, the heater, are switched off and the solenoid valve in the drainage pipe activated to drain out water. When the tank becomes empty, the solenoid valve in the inlet pipe (22) is activated and the tank is again filled with water. After that the entire process referred to above is repeated with the only difference that now cold water is used instead of hot water. In about 1-2 minutes all the dishes are rinsed. The solenoid valve in the drainage pipe is again activated to drain out water. The dishes can either be taken out of the shelves or allowed to remain there to become completely dry.
The entire process of washing about 60-70 dishes is thus completed in a very short time.
Thus this invention is very simple and most effective for washing dishes mechanically.
ADVANTAGES This system saves a lot of time otherwise spent on washing dishes manually, uses less water and cleans the dishes in a hygienic manner untouched by hands.

Claims

I claim -
l.A dishwasher for washing dishes mechanically, comprising a smaller steel body and a bigger steel body, a water pump for lifting water from the water tank and conveying it to the dishes to be washed, means for such lifting of the water and conveying it to the dishes to be washed, for supporting the dishes to be washed, for scrubbing the dishes in which food has been cooked, for filling the water tank with water and for draining the dirty water, for filtering the dirty water before it is recycled and for controlling the various functions of the dishwasher.
2. A dishwasher as claimed in claim (1) wherein the smaller steel body is contained in the bigger steel body .
3 A dish-washer as claimed in claims 1 and 2 wherein the bases of the smaller steel body and the bigger steel body are joined together.
4. A dish-washer as claimed in claim 1, 2 and 3 wherein the smaller steel body has a false base to reduce the volume of this unit.
5. A dish-washer as claimed in claim 1, 2, 3 and 4 wherein the lower portion of this unit serves as a water tank.
6.A dish-washer as claimed in claim 1 to 5 wherein there are slits/cuts/holes in the lower portion of the smaller steel body so that water can move from the bigger body into the smaller body and vice-versa.
7.A dish-washer as claimed in claim 1 wherein the water pump is mounted on a stand with wheels.
8.A dish-washer as claimed in claim 1 and 7 wherein the said stand with wheels is connected through strings to a pulley on one side (left or right side) and the pulley of a slow moving motor on the other side (left or right side).
9.A dish-washer as claimed in claim 1 and 8 wherein the said slow moving motor can rotate in both clock-wise and anti clock-wise directions and as it rotates, the stand also moves from left to right and from right to left.
10.A dish-washer as claimed in claim 1 wherein the means for lifting of the water from the water tank comprises a pipe which is immersed in the water tank below and connected to the inlet of the water pump.
11. A dish-washer as claimed in claim 1 wherein the means of conveying water to the dishes to be washed comprises a set of three pipes having a number of small-small holes which is connected through another pipe to the outlet of the water pump.
12.A dish-washer as claimed in claim 11 wherein the said pipe connected to the outlet of the water pump and the set of three pipes joined to it enters the smaller steel body through a slit in its rear part.
13.A dish-washer as claimed in claim 12 wherein the set of three pipes referred therein are positioned in such a way that the upper stand has a pipe above and a pipe beneath it and the lower stand has a pipe beneath it.
14.A dish-washer as claimed in claim 13 wherein the set of three pipes have small-small holes in such a way that when water gushes out of them with great force and pressure on activation of the water pump, the movement of the jets of water is downwards from pipe number 14, upwards from pipe number 15 and upwards from pipe number 16.
15. A dish-washer as claimed in claim 13 wherein the said set of three pipes are connected to another pipe in such a way that each pipe of the said set of three pipes make an angle of 90 degrees with the said connecting pipe.
16.A dish-washer as claimed in claim 1 wherein the means for supporting dishes to be washed comprises two cage-like stands in the smaller steel body, called the lower stand and the upper stand, as per their respective positions inside the body.
17.A dish-washer as claimed in claim 1 wherein the means for scrubbing the bigger bowls in which food has been cooked , comprises two shafts which are mounted on thrust bearings on their lower sides and fitted with scrubbers on their upper sides. Their upper ends rise a little above the upper stand.
18.A dish-washer as claimed in claim 17 wherein the said shafts are connected, through strings, to the pulley of a fast moving motor.
19. A dish-washer as claimed in claims 17 and 18 wherein the bigger bowls used for cooking are kept upside down with scrubbers inside their bodies. When the machine is in operation, the fast moving motor rotates at a high speed and along with it the shafts with attached scrubbers also rotate. This results in thorough scrubbing of the dishes in which food has been cooked.
20.A dish-washer as claimed in claim 19 wherein the said bigger cooking bowls are held in their places firmly by clamps fitted with the upper stand so that when the scrubber is an action, they are not swayed away from their respective places but are held firmly by the said clamps.
21. A dish-washer as claimed in claim 1 wherein just below the lower stand and just above water tank is a very fine net/sieve to filter the water.
22.A dish-washer as claimed in claim 5 wherein the said water tank is fitted with a heater connected to a thermostat to heat the water and keep it at the desired temperature.
23.A dish-washer as claimed in claim 1 wherein the means for filling the water tank with water and for draining the dirty water comprises the inlet and outlet pipes, which are connected to solenoid valves, to fill and drain out water from the water tank respectively.
24.A dish-washer as claimed in claim 1 and 23 wherein the solenoid valves are kept activated till such time, by suitable timing devices, as is necessary to fill the desired quantity of water or to drain it out, and then deactivated
25. A dishwasher substantially as hereinbefore described and as illustrated in Figures 1,2 and 3 of the drawings accompanying the complete specification.
PCT/IN2005/000113 2004-05-05 2005-04-13 Dishwasher with movable water circulating pump WO2005104923A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN820/DEL/2004 2004-05-05
IN820DE2004 2004-05-05

Publications (1)

Publication Number Publication Date
WO2005104923A1 true WO2005104923A1 (en) 2005-11-10

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ID=34965889

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2005/000113 WO2005104923A1 (en) 2004-05-05 2005-04-13 Dishwasher with movable water circulating pump

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106859553A (en) * 2017-04-25 2017-06-20 郭松柳 A kind of efficient dish-washing machine
CN106889965A (en) * 2017-04-29 2017-06-27 卫祥 Multifunctional dish-washing machines
CN117158814A (en) * 2023-11-02 2023-12-05 山东东山医疗科技有限公司 Sewage circulation treatment system in baby's shower car

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1730348A (en) * 1925-09-14 1929-10-08 Blakeslee & Co G S Washing machine
US1971206A (en) * 1931-05-05 1934-08-21 Ham Boiler Corp Ham boiler washing machine
US2342995A (en) * 1942-04-25 1944-02-29 George K Ballentine Dishwashing machine
US4641671A (en) * 1984-02-20 1987-02-10 Daikin Industries Ltd. Automatic dishwasher
US4758057A (en) * 1982-01-04 1988-07-19 Whirlpool Corporation Appliance support
DE4443918A1 (en) * 1994-12-09 1996-06-13 Bosch Siemens Hausgeraete Household appliance
EP0913119A1 (en) * 1997-10-28 1999-05-06 White Consolidated Industries, Inc. Shunt drain system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1730348A (en) * 1925-09-14 1929-10-08 Blakeslee & Co G S Washing machine
US1971206A (en) * 1931-05-05 1934-08-21 Ham Boiler Corp Ham boiler washing machine
US2342995A (en) * 1942-04-25 1944-02-29 George K Ballentine Dishwashing machine
US4758057A (en) * 1982-01-04 1988-07-19 Whirlpool Corporation Appliance support
US4641671A (en) * 1984-02-20 1987-02-10 Daikin Industries Ltd. Automatic dishwasher
DE4443918A1 (en) * 1994-12-09 1996-06-13 Bosch Siemens Hausgeraete Household appliance
EP0913119A1 (en) * 1997-10-28 1999-05-06 White Consolidated Industries, Inc. Shunt drain system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106859553A (en) * 2017-04-25 2017-06-20 郭松柳 A kind of efficient dish-washing machine
CN106889965A (en) * 2017-04-29 2017-06-27 卫祥 Multifunctional dish-washing machines
CN117158814A (en) * 2023-11-02 2023-12-05 山东东山医疗科技有限公司 Sewage circulation treatment system in baby's shower car
CN117158814B (en) * 2023-11-02 2024-01-09 山东东山医疗科技有限公司 Sewage circulation treatment system in baby's shower car

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