Refrigeration – Material cooling means including gas-liquid contactor
Reexamination Certificate
1998-08-20
2001-09-25
Doerrler, William (Department: 3744)
Refrigeration
Material cooling means including gas-liquid contactor
C062S310000, C062S314000
Reexamination Certificate
active
06293121
ABSTRACT:
2. There is no government assistance on this invention, hence, the rights of the inventor on this idea is full.
BACKGROUND OF THE INVENTION
1. Technical Field
This new idea deals with heat exchange processes, cooling processes, and condensation processes, using water, in lieu of FREON, as the volatile evaporative matter for the production of cold air and distillates, and to avoid using FREON which is destructive upon the ozone layer. The newly invented devices herein are designed to use evaporation of water as a means to produce cold air, which is then supplied into the living places, work places, play areas, rest areas, and into green houses or plantations. The air is cold by evaporating fine water mist spray into the air which absorbs the water vapor. By means of an open air blower, the water-air mixture is then directed or blown into the place where the cold air is needed. In cases where the wind is naturally blowing into the place where the cold air is needed, without a blower, the water is sprayed into the wind so that the wind is cold before getting into the designated or anticipated place, such as, a house, a playground, recreation area, an orchard plantation, and a residential area. There are many concomitant new applications of the new devices concurrently invented in support to the processes involved, such as, distillation of water to produce drinking water, and production of humid air to be fed into gas turbine engines, to name a few applications of the new devices. It should be noted at this point that evaporation is a cooling process of the gas mixture into which the liquid mist is mixed with, while condensation is warming up of the matter with which the condensing vapor is in contact with, hence, evaporation must be supported to the maximum. One of such support is maximizing the water surface in contact with the other matter or medium of the evaporation, and another support is creation of vacuum environment surrounding the water particles, meaning—removing the other matter that oppresses or holds the water molecules close together, thereby making the water molecules free to fly off.
2. Description of the Prior Arts
Evaporative air coolers had been invented and existing since 1937 for various purposes in the efforts to produce a cool environment around an object to be cooled, by means of evaporating water thru the air which is then supplied to the environment. The existing water cooling system comprises of the following cases:
1. Water mist is sprayed into the open air by means of nozzles that are fixedly located around a patio in a series along a pipeline outside the house without the use of a blower;
2. Water mist is sprayed into the open air by fixedly located nozzles along the sidewalk outside shopping malls/stores and the mist is carried away by the wind regardless of where the wind is going;
3. Water is evaporated by means of wet cloth spacedly hanging, and by means of a blower, the air is forced to pass thru in between the wet cloths in order to produce cold air which is then directed into the place where the cool air is needed.
In the case No. 1: (a). the water is wasted without effectively cooling the air because, without moving the air, the tiny water particles that are sprayed into the air just drop down on the floor of the patio without being evaporated and the floor of the patio gets wet; (b). Without a blower, only 30% of the mist evaporates into the air, and if there is wind, the mist is just carried away by the wind away from the patio. In the case No. 2, the water is wasted because the mist is just carried away by the wind to places not intended to be served with cold air. In the case No. 3, there is no water-mist spray, hence, water evaporation is very slow because there is very little amount of water surface being exposed to the air, and it will be a very bulky construction to increase the wet cloth section of the cooling system. Additionally, the evaporation clothes become depository for dry salts, dust, and bacteria.
To further identify the distinctness of my present invention, the following cited references are hereby discussed, to wit:
1. U.S. Pat. No. 5,168,722 issued Dec. 8, 1992 discloses an air cooling system by water evaporation thru a water absorbent wick in the form of an air passageway. The wick is made of water absorbent materials, such as, a pad which takes up water from the water pan base of the cooling device. What is emphasized in this patent is a wet air passage called wick, that brings water around the moving air. The wick, serving as enhancement for evaporation of water, is a very limited and ineffective water evaporator, because the water surface on the pan is only multiplied Ten times by the wick, it being that it is only a cubicle, further, the wick becomes a depository of dried salt, dust, and bacteria from the water that is moving up thru the capillaries of the wick because evaporation is a drying process for the salts. Unfortunately, this patent does not emphasize multiplication or maximizing water surface in contact with the wind to speed up evaporation. Additionally, this patent has no intention to create vacuum environment surrounding the water particles as a means to speed up evaporation of water into the air. Hence, my present invention is different and distinct from this subject patent.
2. U.S. Pat. No. 5,497,633 issued Mar. 12, 1996 discloses a water cooling system by high pressure water spray outside the air duct by nozzles at the outlet of the air duct. The real emphasis of this patent is a new design for an inflatable, collapsible, flexible air duct and flexible pavilion for easy handling and portability, but does not emphasize and further has no intention to maximize water surface in contact with the air to speed up evaporation, hence, has no intention to spray the water in the form of water mist which would by atomizing the water, hence, as presented, has no intention to use venturi nozzle atomizer or to use a spiral nozzle. In fact, as described in details for FIG. 4, line 18, page 6 of the patent, it says—“in FIG. 4, nozzles 64 at the outlet have orifices sized for producing large jets of water”,—which means that the nozzles are not intentionally designed to produce atomized fine mist or not even fine sprinkles of water—that would be for the purpose of maximizing the water surface in contact with the air. Hence, this device fails to speed up evaporation.
Additionally, this patent discloses a wet porous membrane stretch across and substantially, not totally, blocking or restricting the air entrance towards the air fan and into the inflated air duct
56
, hoping to evaporate the water adhering to the porous membrane. But, unfortunately, the pin holes of the membrane, through which the air passes, are very limited in quantity which fails to allow sufficient air flow that would provide maximum water-air contact.
Additionally, the air mover is only an air fan and not a turbine that would create a vacuum high enough to suck enough sufficient air through the wet membrane
60
, hence, there is no intention to create a high vacuum in the chamber
56
between the wet membrane and the air fan, and hence, there is no intention to make the walls of the chamber into a highly resistant structure against implosion. It is very clear that this patent does not emphasize or has no intention to utilize vacuum as a means to enhance evaporation, because, in fact, it is emphasized that the air duct is pressurized as a means to make it stand up, which pressure reverses evaporation in the air duct. Hence, unfortunately, what has been evaporated from the wet membrane is condensed inside the pressurized air duct. It is therefore very clear that this U.S. Pat. No. 5,497,633 has no bearing to my new inventions. Hence, my new inventions are different and distinct from this patent.
3. U.S. Pat. No. 5,598,719 issued Feb. 4, 1997, has the same short comings and disadvantages as the aforementioned U.S. Pat. No. 5,497,633 because the emphasis is the new design of the structure for an outdoor rigid pavilion, hence, just the same as the prece
Doerrler William
Shulman Mark
LandOfFree
Water-mist blower cooling system and its new applications does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Water-mist blower cooling system and its new applications, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Water-mist blower cooling system and its new applications will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2536957