WO2019130345A1 - Nettoyage efficace d'une unité de refroidissement par évaporation - Google Patents

Nettoyage efficace d'une unité de refroidissement par évaporation Download PDF

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Publication number
WO2019130345A1
WO2019130345A1 PCT/IN2018/050874 IN2018050874W WO2019130345A1 WO 2019130345 A1 WO2019130345 A1 WO 2019130345A1 IN 2018050874 W IN2018050874 W IN 2018050874W WO 2019130345 A1 WO2019130345 A1 WO 2019130345A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling unit
fluid
diverter valve
way diverter
tank
Prior art date
Application number
PCT/IN2018/050874
Other languages
English (en)
Inventor
Vinayak K RAJE
Bharat SATIJA
Deepak Gajanan Kamble
Ashish S JADE
Original Assignee
Bajaj Electricals Ltd
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 Bajaj Electricals Ltd filed Critical Bajaj Electricals Ltd
Priority to JOP/2020/0162A priority Critical patent/JOP20200162A1/ar
Publication of WO2019130345A1 publication Critical patent/WO2019130345A1/fr
Priority to SA520412345A priority patent/SA520412345B1/ar

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/04—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F2006/006—Air-humidification, e.g. cooling by humidification with water treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/22—Cleaning ducts or apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/54—Free-cooling systems

Definitions

  • the present subject matter relates, in general, to a cleaning of a cooling unit, in particular, effective cleaning of an evaporative cooling unit.
  • Cooling units such as desert coolers
  • the desert cooler when operated, circulates water through evaporative pads of the desert cooler.
  • the air passes heat to water thereby cooling itself down to lower temperature and converting water to vapours.
  • the cooled air is thrown out of the desert cooler to provide cooling effect outside the desert cooler.
  • FIG. 1 illustrates a front view of a cooling unit, in accordance with an implementation of the present subject matter.
  • FIG. 2 illustrates a rear isometric view of the cooling unit, in accordance with an implementation of the present subject matter.
  • FIG. 3 illustrates a front isometric view of the cooling unit, in accordance with an implementation of the present subject matter.
  • Fig. 4 illustrates a perspective view of the four-way diverter valve, in accordance with an implementation of the present subject matter.
  • FIG. 5 illustrates a schematic view of the knob positioned on the cooling unit, in accordance with an implementation of the present subject matter.
  • Fig. 6 illustrates a sectional view of the filter unit housed within the cooling unit, in accordance with the implementation of the present subject matter.
  • the cooling unit requires regular cleaning of scale formations for enhanced performance of the cooling unit.
  • water is drained out of the cooling unit.
  • the water is manually removed from the cooling unit using a mug or a bucket.
  • the manual removal of the water using a mug or a bucket may leave some water in the cooling unit.
  • a drain plug provided on a base of the cooling unit may be removed to remove all the water.
  • such conventional water drainage techniques are tedious and time consuming. Also, such techniques require the user to use his hands, which may be unhygienic for the user.
  • the surfaces of the cooling unit are manually scrubbed or cleaned using a scrubber.
  • the cooling unit is further washed with water so that the scrubbed scale formations mix with the water and the mixture is further drained out of the cooling unit using the techniques as previously described.
  • the conventional cleaning techniques specifically clean the surfaces of the cooling unit.
  • the scale formations on the evaporative pads and fluid circulations means of the cooling unit cannot be cleaned with the conventional techniques.
  • the uncleaned evaporative pads and the fluid circulations means of the cooling unit result to a reduced service life of said evaporative pads and the fluid circulations means and require complete replacement thereof leading to cost addition.
  • the conventional cleaning process of the cooling unit is manual and unhygienic for the user. Further, the cooling units having bigger capacity are heavy and volumetric and need to be taken to a place where left over dirty water may be drained out. Again, there is a possibility of damaging the base of the cooling unit while draining out the left over dirty water.
  • the present subject matter presented here addresses the issue of dirty and tedious chores of cleaning the cooling unit. With the present subject matter, the user has to exercise minimal efforts for cleaning the cooling, without affecting the hygiene of the user.
  • the cooling unit comprises a tank for storing a fluid.
  • the tank includes a base having a sump.
  • a submersible pump is positioned within the sump.
  • the submersible pump comprises at least one inlet and at least one outlet for the fluid.
  • a four-way diverter valve is disposed within the cooling unit.
  • the four-way diverter valve comprising an inlet and three outlets.
  • a filter unit is detachably disposed over the sump such that the filter unit covers the pump and the sump.
  • the filter unit has at least one hole, through which a first pipe connecting the at least one outlet of the submersible pump with the inlet of the four-way diverter valve passes.
  • the four-way diverter valve is controlled to enable a plurality of settings for evaporative cooling, descaling of scale formations within the cooling unit, cleaning of the cooling unit, and draining out the stored fluid from the tank.
  • the four-way diverter valve may be manually or automatically controlled as per the required setting.
  • the tank includes a plurality of side panels.
  • one of the side panels includes an opening.
  • the four-way diverter valve is disposed at the opening of one of the side panels.
  • the cooling unit includes a plurality of side covers.
  • one of the side covers includes an opening.
  • the four-way diverter valve is disposed at the opening of one of the side covers.
  • a surface of the base adjoining the sump is tapered to flow the fluid into the sump.
  • the tapered design of the base surface may ensure that maximum amount of fluid may flow into the sump so that effective utilization of the fluid may be done through the submersible pump in all the settings.
  • the cooling unit comprises evaporative pads.
  • the evaporative pads may be honeycomb pads.
  • the evaporative pads may be husk pads.
  • a first outlet of the four-way diverter valve may be connected to a distribution pipe via a second pipe.
  • the distribution pipe mns over the evaporative pads. The distribution pipe runs over the evaporative pads for uniform distribution of the fluid over the evaporative pads for the purpose of evaporative cooling by the cooling unit.
  • a second outlet of the four-way diverter valve may be connected to a drain orifice via a third pipe.
  • the drain orifice is disposed on one of the side panels.
  • the drain orifice may include an extension so that an auxiliary pipe may be connected to the extension for draining out the stored fluid.
  • a third outlet of the four-way diverter valve may be connected to a fourth pipe which opens into the tank.
  • the fourth pipe is a recirculation pipe.
  • the recirculation pipe may end just above the base of the tank.
  • the cooling unit may be operated in a first setting of the plurality of settings.
  • the four-way diverter valve may direct the incoming fluid from the pump to the distribution pipe via the second pipe.
  • the distribution pipe may circulate the incoming fluid over the evaporative pads of the cooling unit.
  • the circulated fluid upon contacting with incoming air converts to vapours, since the incoming air passes heat to the fluid.
  • the vapours cool the air inside the cooling unit and the cooled air is thrown out of the cooling unit.
  • a cleaning agent may be mixed with the fluid already filled in the tank and the cooling unit may be operated in the first setting.
  • the four-way diverter valve may direct the incoming fluid mixture (mixed with the cleaning agent) from the pump to the distribution pipe via the second pipe.
  • the distribution pipe may circulate the fluid mixture over the evaporative pads of the cooling unit, which then flows to the tank.
  • the fluid mixture when passes through the pump, the second pipe, the distribution pipe, the evaporative pads and the tank, reacts with the scale formations within the the pump, the second pipe, the distribution pipe, the evaporative pads and the tank, and further descales the scale formations.
  • the cleaning agent upon contacting with the scale formations descale them and lumps of scales float within the tank along with the fluid.
  • the cooling unit may be operated for a first pre-specified time period for descaling the scale formations within the cooling unit.
  • the first pre- specified time period may be thirty (30) minutes.
  • the cooling unit may be operated in the first setting for descaling the scale formations, when the scale formations are visually identified on the surfaces of the tank, the evaporative pads and the pipes. In another example, the cooling unit may be operated in the first setting for descaling the scale formations, when a regular cleaning procedure is scheduled.
  • the cooling unit may be operated in a second setting of the plurality of settings.
  • the four- way diverter valve directs the incoming fluid from the pump to the recirculation pipe for creating a fluidic turbulence within the tank.
  • the fluid may be a mixture of water and the cleaning agent.
  • the turbulent fluid when passes through the filter unit leaves the lumps of scales onto the filter unit.
  • the cooling unit may be operated in the second setting for a second prespecified time period for cleaning of the cooling unit, in which the lump of scales nearly deposits onto the filter unit.
  • the second prespecified time period may be thirty (30) minutes.
  • the cooling unit may be operated in a third setting of the plurality of settings.
  • the four-way diverter valve may direct the incoming fluid from the pump to the drain orifice.
  • the drain orifice acts as a passage, through which the stored fluid is drained outside.
  • the cooling unit may be operated in the third setting until the fluid stored in the tank is emptied. Further, upon completely draining the incoming fluid, the filter unit may be detached for manual cleaning and may be replaced after the cleaning.
  • the cooling unit may comprise a fluid pouring inlet on the one of the side panels.
  • the fluid pouring inlet is to pour a cleaning agent into the tank.
  • the fluid pouring inlet is provided on a top edge of the one of the side panels.
  • implementations of the present subject matter offer a user the ability to automatically clean the tank and drain the fluid without hassles of manual cleaning. Further, implementations of the present subject matter addresses to the issue of dirty chores of cleaning of tanks of the cooling unit with minimal efforts and with enhanced hygiene. Furthermore, implementations of the present subject matter handle the aspects like scraping of sediments and scale, filtering of the sludge and mud and auto-draining of the stored fluid.
  • Fig. 1 illustrates a front view of a cooling unit 100 as per an implementation of the present subject matter.
  • the cooling unit 100 comprises a tank 102 capable of storing a fluid.
  • the fluid may be water.
  • the tank 102 may comprise a base 104 and a plurality of side panels 106.
  • the plurality of side panels 106 may be mounted on the base 104.
  • the base 104 further comprises a sump 108 in order to accommodate a pump (not shown in Fig. 1).
  • a surface of the base 104 adjoining the sump 108 may be tapered to flow the fluid into the sump 108.
  • the tapered design of the base surface may ensure that maximum amount of fluid may flow into the sump 108 so that effective utilization of the fluid may be done by the pump in all the settings of the cooling unit 100.
  • One of the side panels 106 may comprise a fluid level indicator 110.
  • the fluid level indicator 110 may be a longitudinal transparent slit, through which the level of any fluid inside the tank 102 may be visually observed.
  • the cooling unit 100 comprises a front cover 112.
  • the front cover 112 may be made of plastic.
  • the front cover 112 may be made of metal.
  • the front cover 112 comprises an opening 114, which acts as a passage of air from the cooling unit 100 to outside.
  • a plurality of louvers 116 may be disposed within the opening 114.
  • the plurality of louvers 116 may be electrically controlled to enable a swing function which directs outflow of air in multiple directions.
  • the plurality of louvers 116 may be manually controlled.
  • the underside of the base 104 may comprise a plurality of wheels 118. The plurality of wheels 118 may assist in movement of the cooling unit 100 from one location to another in a hassle-free manner.
  • Fig. 2 illustrates a rear isometric view of the cooling unit 100 as per an implementation of the present subject matter.
  • the cooling unit 100 comprises side covers 202. Although two side covers 202 (right-side cover and back cover) are visible in Fig. 2, the cooling unit 100 may include three side covers, which along with the front cover 112 form an enclosure. In one example, each of the side covers 202 may comprise an evaporative pad. In one example, the evaporative pad may be a honeycomb pad. In one example, the cooling unit 100 includes a top cover 204 along with the three side covers, the front cover 112 and the tank 102 form a completely enclosure structure. [0039] The cooling unit 100 further comprises a fluid pouring inlet 206.
  • a cleaning agent from a container 208 may be added to the tank 102 via the fluid pouring inlet 206.
  • water may be poured inside the tank 102 via the fluid pouring inlet 206.
  • the cleaning agent include, but is not limited to Citric acid, Sodium hexametaphosphate, and Acetic acid.
  • the cleaning agent is capable of descaling the scale formations, when the scale formations are treated with the cleaning agent for a prespecified time period. In one example, the prespecified time period may be thirty minutes.
  • the cooling unit 100 comprises a knob 210 for manually controlling a plurality of settings of the cooling unit 100.
  • the knob 210 is described in detail in Figure 5.
  • Fig. 5 illustrates a schematic view of the knob 210 positioned on the cooling unit 100 in accordance with an implementation of the present subject matter.
  • the knob 210 may be controlled for operation in the plurality of settings.
  • the number of settings may be three.
  • the settings may be referred to as modes.
  • the plurality of settings may be a first setting, a second setting and a third setting.
  • the first setting may be a cool mode.
  • the second setting may be a clean mode.
  • the third setting may be a drain mode.
  • the knob 210 may be manually controlled.
  • the cooling unit may include an electronic controller (not shown) to control the plurality of settings of the cooling unit 100.
  • the knob 210 controls a four-way diverter valve (not shown in Fig. 2) that enables the plurality of settings of the cooling unit 100.
  • the knob 210 may be positioned on the one of the side covers 202.
  • the knob 210 may be positioned on one of the side panels 106.
  • an outlet 212 is disposed on one of the side panels 106
  • the outlet 212 may be disposed on a top edge of one of the side panels 106.
  • the outlet 212 may be an auto-drain outlet 212. The auto-drain outlet 212 may drain out the fluid from the tank 102 when the cooling unit 100 is operated in a specific position of the knob 210.
  • Fig. 3 illustrates a front isometric view of the cooling unit 100 as per an implementation of the present subject matter.
  • a submersible pump (not shown in Fig. 3) is positioned within the tank 102.
  • the submersible pump may be positioned in the sump 108.
  • the sump 108 is of approximately equal height to that of the submersible pump.
  • the submersible pump comprises at least one inlet and at least one outlet for the fluid.
  • a four- way diverter valve 302 may be disposed at an opening of one of the side panels 106. In one example, the four-way diverter valve 302 may be disposed at an opening of one of the side covers 202. In one example, the side cover 202 may be a left-hand side cover.
  • the four-way diverter valve 302 is described in detail in Fig. 4, which illustrates a perspective view of the four- way diverter valve 302 as per an implementation of the present subject matter.
  • the four-way diverter valve 302 comprises an inlet 402, which may be connected to the pump. The inlet 402 ensures supply of the fluid to the four-way diverter valve 302. Further, the four-way diverter valve 302 comprises three outlets 404, 406, 408.
  • the four-way diverter valve 302 is disposed within the cooling unit 100 such that the four-way diverter valve 302 may be controlled from outside using the knob 210.
  • the outside control of the four-way diverter valve 302 may enable the plurality of settings of the cooling unit 100.
  • the cooling unit 100 comprises a filter unit 304.
  • Another view of the filter unit 304 is described in detail in Fig. 6, which illustrates a sectional view of the filter unit 304 as per the implementation of the present subject matter.
  • the sump 108 is disposed with the submersible pump 602.
  • a bottom of the sump 108 may comprise a drain plug 604.
  • the drain plug 604 may be plugged out so as to allow the flow of the fluid from the tank 102 to outside.
  • the filter unit 304 may comprise a hole, through which the submersible pump 602 is connected to the four-way diverter valve 302.
  • the filter unit 304 may be detachably disposed over the sump 108 such that the filter unit 304 covers the submersible pump 602 and the sump 108.
  • the filter unit 304 has at least one hole, through which a first pipe 306 connecting the at least one outlet of the submersible pump 602 with the inlet 402 of the four-way diverter valve 302 passes.
  • the diameter of the hole is adaptable with the diameter of the first pipe 306.
  • the four-way diverter valve 302 may be controlled to enable the plurality of settings.
  • Examples of the plurality of settings may include, but is not limited to, evaporative cooling and descaling of scale formations, cleaning of the cooling unit 100, and draining out the stored fluid from the tank 104.
  • the four-way diverter valve 302 may be manually controlled to enable the plurality of settings.
  • the four-way diverter valve 302 may be automatically controlled to enable the plurality of settings.
  • the cooling unit 100 may comprise a fan (not shown) connected to a motor (not shown).
  • the motor may be mounted on a stand positioned on the base 104 of the tank 102.
  • the cooling unit 100 may comprise a rotary blower unit.
  • the side cover 202 comprises evaporative pads.
  • Example of the evaporative pads may include, but is not limited to, honeycomb pads and husk pads.
  • a first outlet 404 of the four-way diverter valve 302 may be connected to a distribution pipe 308 via a second pipe 310.
  • the distribution pipe 308 runs over the evaporative pads.
  • the distribution pipe 308 runs over the evaporative pads for uniform distribution of the fluid over the evaporative pads.
  • a second outlet 406 of the four-way diverter valve 302 may be connected to a drain orifice 312 via a third pipe 314.
  • the drain orifice 312 may be disposed on one of the side panels 106.
  • the drain orifice 312 may have an extension so that an auxiliary pipe may be connected for draining out the stored fluid.
  • a third outlet 408 of the four- way diverter valve 302 may be connected to a fourth pipe 316 which opens into the tank 102.
  • the fourth pipe 316 is a recirculation pipe 316.
  • the recirculation pipe 316 may end just above the base of the tank 102 so as to provide effective turbulence effect.
  • the four-way diverter valve 302 is operated in a first setting of the plurality of settings for evaporative cooling.
  • the four-way diverter valve 302 may direct the incoming fluid from the submersible pump 602 to the distribution pipe 308 via the second pipe 310.
  • the distribution pipe 308 may circulate the incoming fluid over the evaporative pads of the cooling unit 100.
  • the circulated fluid upon contacting with incoming air converts to vapours, since the incoming air passes heat to the fluid; thereby cooling itself and the cooled air is thrown out of the cooling unit.
  • a cleaning agent may be mixed with the fluid already filled in the tank 102 and the cooling unit 100 may be operated in the first setting.
  • the four-way diverter valve 302 may direct the incoming fluid mixture, i.e., mixed with the cleaning agent, from the submersible pump 602 to the distribution pipe 308 via the second pipe 310.
  • the distribution pipe 308 may circulate the incoming fluid mixture over the evaporative pads of the cooling unit 100, which then flows to the tank 102.
  • the fluid mixture when passes through the submersible pump 602, the second pipe 310, the distribution pipe 308, the evaporative pads and the tank 102, reacts with the scale formations within the the submersible pump 602, the second pipe 310, the distribution pipe 308, the evaporative pads and the tank 102, and further descales the scale formations.
  • the cooling unit may be operated for a first prespecified time period for descaling the scale formations within the cooling unit. In one example, the first prespecified time period may be thirty (30) minutes.
  • the cleaning agent may be introduced into the tank, when the scale formations are visually identified on the surfaces of the tank 102, the evaporative pads and the pipes.
  • a regular maintenance may be scheduled, in which the cleaning agent may be introduced within the tank 102 and the cooling unit 100 may continue the operation in the first setting of the four-way diverter valve 302.
  • the cleaning agent may be manually added to the tank 102 in a prespecified amount.
  • 1% volume/volume of the cleaning agent can be added in tank 102 for removal of scales.
  • the fan may be switched off in the first setting. In another example, the fan may be switched on in the first setting.
  • the cooling unit 100 may be cleaned.
  • the cooling unit 100 may be operated in a second setting of the plurality of settings.
  • the four-way diverter valve 302 directs the incoming fluid from the submersible pump 602 to the recirculation pipe (fourth pipe) 316 for creating a fluidic turbulence within the tank 102.
  • the fluid may be the combination of the water and the cleaning agent.
  • the turbulent fluid when passes through the filter unit 304 leaves the lumps of scales onto the filter unit 304.
  • the filter unit 304 may be a strainer.
  • the cooling unit may be operated in the second setting for a second prespecified time period for cleaning of the cooling unit, in which the lump of scales nearly deposits onto the filter unit 304.
  • the second prespecified time period may be fifteen minutes.
  • the four-way diverter valve 302 may be controlled from outside by changing the orientation of the knob 210.
  • the fan may be switched off in the second setting.
  • the fan may be switched on in the second setting.
  • the fluid may be drained out from the tank 102.
  • the cooling unit 100 may be operated in a third setting of the plurality of settings.
  • the four-way diverter valve 302 may direct the incoming fluid from the submersible pump 602 to the drain orifice 312.
  • the drain orifice 312 acts as a passage, through which the stored fluid is drained outside.
  • the cooling unit 100 may be operated in the third setting until the fluid stored in the tank is emptied. Further, upon completely draining the incoming fluid, the filter unit 100 may be detached for manual cleaning and may be replaced after the cleaning. In one example, the drained- out fluid may be directed to a water storage means or to a further drainage means.
  • the filter unit 304 may be detached for manual cleaning and may be replaced upon the cleaning.
  • the fan may be switched off in the third setting.
  • the filter unit 304 may comprise an upper surface, a plurality of side surfaces and an opened base.
  • the upper surface and side surfaces comprise filter meshes.

Abstract

La présente invention concerne une unité de refroidissement (100). L'unité de refroidissement (100) comprend un réservoir (102) pour stocker un fluide. Le réservoir (102) comprend une base (104), la base (104) comprenant un puisard (108). En outre, une pompe submersible (602) est positionnée à l'intérieur du puisard (108), une vanne de dérivation à quatre voies (302) est disposée à l'intérieur de l'unité de refroidissement (100), et un ensemble filtre (304) est disposé amovible sur le puisard (108) de sorte que l'ensemble filtre (304) recouvre la pompe (602) et le puisard (108).
PCT/IN2018/050874 2017-12-26 2018-12-24 Nettoyage efficace d'une unité de refroidissement par évaporation WO2019130345A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JOP/2020/0162A JOP20200162A1 (ar) 2017-12-26 2018-12-24 تنظيف فعال لوحدة تبريد تبخيري
SA520412345A SA520412345B1 (ar) 2017-12-26 2020-06-28 تنظيف فعال لوحدة تبريد تبخيري

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201721046733 2017-12-26
IN201721046733 2017-12-26

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WO2019130345A1 true WO2019130345A1 (fr) 2019-07-04

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SA (1) SA520412345B1 (fr)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021093152A1 (fr) * 2019-11-11 2021-05-20 杰马科技（中山）有限公司 Ventilateur de régulation de température pouvant être emballé de manière pliante, et procédé de pliage associé
EP4097403A4 (fr) * 2020-01-31 2024-02-14 Munters Europe Ab Procédé de nettoyage d'un appareil d'humidification et de refroidissement à évaporation et système comprenant un appareil d'humidification et de refroidissement à évaporation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001035037A1 (fr) * 1999-11-11 2001-05-17 Scotsman Group, Inc. Systeme et procede de distribution d'eau et de nettoyage de machine a glace

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001035037A1 (fr) * 1999-11-11 2001-05-17 Scotsman Group, Inc. Systeme et procede de distribution d'eau et de nettoyage de machine a glace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021093152A1 (fr) * 2019-11-11 2021-05-20 杰马科技（中山）有限公司 Ventilateur de régulation de température pouvant être emballé de manière pliante, et procédé de pliage associé
EP4097403A4 (fr) * 2020-01-31 2024-02-14 Munters Europe Ab Procédé de nettoyage d'un appareil d'humidification et de refroidissement à évaporation et système comprenant un appareil d'humidification et de refroidissement à évaporation

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JOP20200162A1 (ar) 2022-10-30
SA520412345B1 (ar) 2022-11-25

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