US20080011354A1 - Water Processing System and Method - Google Patents
Water Processing System and Method Download PDFInfo
- Publication number
- US20080011354A1 US20080011354A1 US11/775,194 US77519407A US2008011354A1 US 20080011354 A1 US20080011354 A1 US 20080011354A1 US 77519407 A US77519407 A US 77519407A US 2008011354 A1 US2008011354 A1 US 2008011354A1
- Authority
- US
- United States
- Prior art keywords
- water
- flow path
- reservoir
- primary flow
- primary
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/28—Methods or installations for obtaining or collecting drinking water or tap water from humid air
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
- E03C1/044—Water-basin installations specially adapted to wash-basins or baths having a heating or cooling apparatus in the supply line
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
- E03C1/046—Adding soap, disinfectant, or the like in the supply line or at the water outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
- F24F2013/225—Means for preventing condensation or evacuating condensate for evacuating condensate by evaporating the condensate in the cooling medium, e.g. in air flow from the condenser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
- F24F2013/227—Condensate pipe for drainage of condensate from the evaporator
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/85978—With pump
- Y10T137/86035—Combined with fluid receiver
- Y10T137/86043—Reserve or surge receiver
Definitions
- the present invention relates to a new and useful water processing method, that is designed to supplement water flow to a water heater with water condensate from a source such as an air conditioner.
- the present invention provides a system and method that is designed to conserve existing water resources, and also to provide additional benefits to a water supply, particularly to a water heater.
- a system and method of the present invention is designed to conserve existing water resources, by using condensate from an air conditioner or dehumidification unit (which would otherwise be drained to a sewer system) and use that condensate to supplement a water supply to a water heater. This provides a way of conserving water.
- the system and method of the present invention reclaims water that is effectively distilled.
- that reclaimed water is added to the water directed to a water heater, it provides less minerals (i.e. calcites) in the water directed to the water heater, thereby lessening the effects of such minerals on the water heater.
- the effective distillation of the reclaimed water provides a degree of softening of the water produced by the water heater, which is particularly useful when the water heater is producing hot water for household use.
- a source of water condensate is in fluid communication with a reservoir.
- a primary water flow path is established between water from a primary source and a water heater, and a hydrostatic connection is provided between the reservoir and the primary flow path.
- the hydrostatic connection is designed such that water from the reservoir is drawn into the primary flow path and mixed with the water in the primary flow path, thereby enabling the water condensate from the reservoir to supplement the flow of water in the primary flow path to the water heater.
- the primary flow path includes a venturi pump with an inlet side and an outlet side in direct fluid communication with the water heater, and wherein the hydrostatic connection between the reservoir and the primary water flow path communicates with the venturi pump.
- the system draws water from the reservoir into the venturi pump, (ii) causes mixing of the drawn water with the water in the primary flow path, and (iii) enables the drawn and mixed condensate to supplement the primary flow to the water heater.
- FIG. 1 is a schematic illustration of the manner in which a condensate (preferably from reclaimed water) is reclaimed and used as a source of water to supplement a primary water flow to a water heater, according to the principles of the present invention.
- a condensate preferably from reclaimed water
- the present invention relates to a new and useful system and method that is designed to conserve existing water resources, and also to provide additional benefits to a water supply, particularly to a water heater.
- the principles of the present invention are described below in connection with a water processing system for a household, but from that description, the manner in which the principles of the invention can be used with various water processing systems will be apparent to those in the art.
- FIG. 1 shows a water processing system 100 designed according to the principles of the present invention.
- the system includes a source of water condensate 102 , which may be, e.g. a home air conditioning unit or dehumidifier.
- a reservoir 104 is in fluid communication with the source of water condensate 102 , such that water condensate can drain from the source into the reservoir.
- a filter 106 may be provided between the source 102 and the reservoir 104 .
- the system includes a water heater 108 , and a primary flow path of water is established from a primary source to the water heater 108 .
- the primary water source may be the primary water source for a home, and the primary flow path enables water to flow from the primary source, along a conduit 110 , through a venturi pump 112 (described below), and to the water heater 108 .
- a venturi pump 112 described below
- the present invention is designed to supplement water flow in the primary flow path, with condensate that is held in the reservoir 104 .
- the reservoir 104 is in fluid communication with the venturi pump 112 in the primary flow path.
- water from the reservoir 104 is drawn into venturi pump 112 , mixed with the water in the primary flow path, and the mixed waters then directed to the water heater 108 .
- the water condensate from the reservoir 104 supplements the flow of water in the primary flow path to the water heater 108 .
- the venturi pump 112 is preferably a venturi pump called the “Mighty Pump”, distributed by DesignLife Products, Inc., Highland Park, Ill.
- the venturi pump 112 has an inlet 114 in communication with the primary water source, an outlet 116 in direct fluid communication with the water heater 108 , and a venturi pump 112 , with converging and diverging sections that, in accordance with venturi principles, convert water flow and pressure at the venturi inlet 114 to lower pressure and higher flow rate in the throat of the venture nozzle, and then back to higher pressure lower flow rate at the venturi outlet 116 .
- the water from the revervoir 104 communicates (via a conduit 120 and a fitting 122 ) with the diverging end of the venturi nozzle, and is entrained and energized by the flow in the venturi nozzle, thereby drawing water from the reservoir, mixing it with the primary water flow, and directing the mixed waters to the water heater 108 .
- a system and method of the present invention is designed to conserve existing water resources, by using condensate from an air conditioner or dehumidification unit (which would otherwise be drained to a sewer system) and use that condensate to supplement a water supply to a water heater. This provides a way of conserving water.
- the system and method of the present invention reclaims water that is effectively distilled.
- that reclaimed water is added to the water directed to a water heater, it provides less minerals (i.e. calcites) in the water directed to the water heater, thereby lessening the effects of such minerals on the water heater.
- the effective distillation of the reclaimed water provides a degree of softening of the water produced by the water heater, which is particularly useful when the water heater is producing hot water for household use.
Abstract
A new and useful system and method is provided, designed to conserve existing water resources, and also to provide additional benefits to a water supply, particularly to a water heater. In a system and method of the invention, a source of water condensate is in fluid communication with a reservoir. A primary water flow path is established between water from a primary source and a water heater, and a hydrostatic connection is provided between the reservoir and the primary flow path. The hydrostatic connection is designed such that water from the reservoir is drawn into the primary flow path and mixed with the water in the primary flow path, thereby enabling the water condensate from the reservoir to supplement the flow of water in the primary flow path to the water heater. A system and method of the present invention is designed to conserve existing water resources, provide a water supplement that is a distillate with less minerals that can harm a water heater, and which also provides some softening of the water directed to the water heater.
Description
- This application is related to and claims the priority of Provisional Application No. 60/830,284, filed Jul. 11, 2006, and entitled Air Conditioning and Dehumidifier Water Condensation Reclamation Unit; which provisional application is incorporated by reference herein.
- The present invention relates to a new and useful water processing method, that is designed to supplement water flow to a water heater with water condensate from a source such as an air conditioner.
- As water resources are becoming increasingly stressed, to fill increasing demands for that precious resource, there is considerable interest in finding new resources. Moreover, in applicant's experience, there is also a need to find ways to conserve existing water resources.
- The present invention provides a system and method that is designed to conserve existing water resources, and also to provide additional benefits to a water supply, particularly to a water heater.
- A system and method of the present invention is designed to conserve existing water resources, by using condensate from an air conditioner or dehumidification unit (which would otherwise be drained to a sewer system) and use that condensate to supplement a water supply to a water heater. This provides a way of conserving water.
- In addition, the system and method of the present invention reclaims water that is effectively distilled. Thus, when that reclaimed water is added to the water directed to a water heater, it provides less minerals (i.e. calcites) in the water directed to the water heater, thereby lessening the effects of such minerals on the water heater.
- Moreover, with a system and method of the present invention, the effective distillation of the reclaimed water provides a degree of softening of the water produced by the water heater, which is particularly useful when the water heater is producing hot water for household use.
- In a water processing system and method according to the present invention, a source of water condensate is in fluid communication with a reservoir. A primary water flow path is established between water from a primary source and a water heater, and a hydrostatic connection is provided between the reservoir and the primary flow path. The hydrostatic connection is designed such that water from the reservoir is drawn into the primary flow path and mixed with the water in the primary flow path, thereby enabling the water condensate from the reservoir to supplement the flow of water in the primary flow path to the water heater.
- In addition, in a preferred system and method of the present invention, the primary flow path includes a venturi pump with an inlet side and an outlet side in direct fluid communication with the water heater, and wherein the hydrostatic connection between the reservoir and the primary water flow path communicates with the venturi pump. Thus, the system (i) draws water from the reservoir into the venturi pump, (ii) causes mixing of the drawn water with the water in the primary flow path, and (iii) enables the drawn and mixed condensate to supplement the primary flow to the water heater.
- Other features of the present invention will become further apparent from the following detailed description and the accompanying drawing.
-
FIG. 1 is a schematic illustration of the manner in which a condensate (preferably from reclaimed water) is reclaimed and used as a source of water to supplement a primary water flow to a water heater, according to the principles of the present invention. - As discussed above, the present invention relates to a new and useful system and method that is designed to conserve existing water resources, and also to provide additional benefits to a water supply, particularly to a water heater. The principles of the present invention are described below in connection with a water processing system for a household, but from that description, the manner in which the principles of the invention can be used with various water processing systems will be apparent to those in the art.
-
FIG. 1 shows awater processing system 100 designed according to the principles of the present invention. The system includes a source ofwater condensate 102, which may be, e.g. a home air conditioning unit or dehumidifier. Areservoir 104 is in fluid communication with the source ofwater condensate 102, such that water condensate can drain from the source into the reservoir. Afilter 106 may be provided between thesource 102 and thereservoir 104. The system includes awater heater 108, and a primary flow path of water is established from a primary source to thewater heater 108. The primary water source may be the primary water source for a home, and the primary flow path enables water to flow from the primary source, along aconduit 110, through a venturi pump 112 (described below), and to thewater heater 108. As is conventional in home water heater systems, as water is drawn from thewater heater 108 into the household, the pressure in the water heater drops, and a pressure differential is established between the primary water source and the water heater that draws water from the primary source into the water heater. - The present invention is designed to supplement water flow in the primary flow path, with condensate that is held in the
reservoir 104. Thereservoir 104 is in fluid communication with theventuri pump 112 in the primary flow path. When the pressure differential is established between the water heater and the primary water source, water from thereservoir 104 is drawn intoventuri pump 112, mixed with the water in the primary flow path, and the mixed waters then directed to thewater heater 108. Thus, the water condensate from thereservoir 104 supplements the flow of water in the primary flow path to thewater heater 108. - The
venturi pump 112 is preferably a venturi pump called the “Mighty Pump”, distributed by DesignLife Products, Inc., Highland Park, Ill. Theventuri pump 112 has aninlet 114 in communication with the primary water source, anoutlet 116 in direct fluid communication with thewater heater 108, and aventuri pump 112, with converging and diverging sections that, in accordance with venturi principles, convert water flow and pressure at theventuri inlet 114 to lower pressure and higher flow rate in the throat of the venture nozzle, and then back to higher pressure lower flow rate at theventuri outlet 116. The water from therevervoir 104 communicates (via aconduit 120 and a fitting 122) with the diverging end of the venturi nozzle, and is entrained and energized by the flow in the venturi nozzle, thereby drawing water from the reservoir, mixing it with the primary water flow, and directing the mixed waters to thewater heater 108. - A system and method of the present invention is designed to conserve existing water resources, by using condensate from an air conditioner or dehumidification unit (which would otherwise be drained to a sewer system) and use that condensate to supplement a water supply to a water heater. This provides a way of conserving water.
- In addition, the system and method of the present invention reclaims water that is effectively distilled. Thus, when that reclaimed water is added to the water directed to a water heater, it provides less minerals (i.e. calcites) in the water directed to the water heater, thereby lessening the effects of such minerals on the water heater.
- Moreover, with a system and method of the present invention, the effective distillation of the reclaimed water provides a degree of softening of the water produced by the water heater, which is particularly useful when the water heater is producing hot water for household use.
- Thus, the foregoing detailed description shows a system and method designed to conserve existing water resources, and also to provide additional benefits to a water supply, particularly to a water heater. With the foregoing disclosure in mind, it is believed that various adaptations of a water processing system and method, according to the principles of the present invention, will be apparent to those in the art.
Claims (4)
1. A water processing system comprising
a. a source of water condensate,
b. a reservoir in fluid communication with the source of water condensate, such that water condensate can drain from the source into the reservoir,
c. a water heater, and a primary flow path of water from a primary source to the water heater, and
d. a hydrostatic connection between the reservoir and the primary flow path, configured such that water from the reservoir is drawn into the primary flow path and mixed with the water in the primary flow path, thereby enabling the water condensate from the reservoir to supplement the flow of water in the primary flow path to the water heater
2. The water conservation system of claim 1 , wherein the primary flow path includes a venturi pump with an inlet side and an outlet side in direct fluid communication with the water heater, and wherein the hydrostatic connection between the reservoir and the primary water flow path communicates with the venturi pump.
3. A water processing method comprising
a. providing a source of water condensate,
b. providing a reservoir in fluid communication with the source of water condensate, and draining water condensate can drain from the source into the reservoir,
c. providing a water heater, and a primary flow path of water from a primary source to the water heater, and
d. providing a connection between the reservoir and the primary flow path, and establishing a pressure differential between the water heater and the primary flow path that draws water from the reservoir into the primary flow path and mixes the drawn water with the water in the primary flow path, thereby enabling the water condensate from the reservoir to supplement the flow of water in the primary flow path to the water heater.
4. The water processing method of claim 3 , wherein the primary flow path includes a venturi pump with an inlet side in communication with a primary water source and an outlet side in direct fluid communication with the water heater, wherein the water condensate from the reservoir is in fluid communication with the venture pump, and wherein establishing a pressure differential between the water heater and the primary flow path (i) draws water from the reservoir into the venturi pump, (ii) causes mixing of the drawn water with the water in the primary flow path, and (iii) enables the drawn and mixed condensate to supplement the primary flow to the water heater.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/775,194 US20080011354A1 (en) | 2006-07-11 | 2007-07-09 | Water Processing System and Method |
US12/022,002 US20080190494A1 (en) | 2006-07-11 | 2008-01-29 | Water Processing System and Method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83028406P | 2006-07-11 | 2006-07-11 | |
US11/775,194 US20080011354A1 (en) | 2006-07-11 | 2007-07-09 | Water Processing System and Method |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/022,002 Continuation-In-Part US20080190494A1 (en) | 2006-07-11 | 2008-01-29 | Water Processing System and Method |
Publications (1)
Publication Number | Publication Date |
---|---|
US20080011354A1 true US20080011354A1 (en) | 2008-01-17 |
Family
ID=38948035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/775,194 Abandoned US20080011354A1 (en) | 2006-07-11 | 2007-07-09 | Water Processing System and Method |
Country Status (1)
Country | Link |
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US (1) | US20080011354A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130291580A1 (en) * | 2012-05-03 | 2013-11-07 | Barbara Ruhland-Lindner | Motor vehicle |
US11333395B2 (en) * | 2019-03-11 | 2022-05-17 | Steven Winter Associates, Inc. | Condensate removal system for cold-climate heat pumps |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5005379A (en) * | 1989-07-05 | 1991-04-09 | Brown Michael E | Air conditioning system |
US5622203A (en) * | 1995-10-03 | 1997-04-22 | Moen Incorporated | Hot water circulation apparatus with adjustable venturi |
US5669221A (en) * | 1996-04-08 | 1997-09-23 | Worldwide Water, Inc. | Portable, potable water recovery and dispensing apparatus |
US6199395B1 (en) * | 1999-08-30 | 2001-03-13 | Arthur D. Little, Inc. | Condensate handling assembly and method |
US6206046B1 (en) * | 2000-02-23 | 2001-03-27 | Robbie J. Finley | Lawn and garden chemical dispensing system |
US6209337B1 (en) * | 1997-09-19 | 2001-04-03 | William F. Edwards | Water collection and purification system |
US6481232B2 (en) * | 2000-07-26 | 2002-11-19 | Fakieh Research & Development Center | Apparatus and method for cooling of closed spaces and production of freshwater from hot humid air |
US20030037829A1 (en) * | 2001-08-22 | 2003-02-27 | Wilson Paul A. | Device for the dilution and application of liquids |
US6644060B1 (en) * | 2000-02-21 | 2003-11-11 | Dil Sham Ventures | Apparatus for extracting potable water from the environment air |
US20040040322A1 (en) * | 2002-08-30 | 2004-03-04 | Engel Daniel R. | Apparatus and method for extracting potable water from atmosphere |
US20040237561A1 (en) * | 2003-05-26 | 2004-12-02 | Walter Duarte Barreto Junior | System for utilizing water originating from the air conditioning system in order to supply water to the automobile windshield wiper reservoir |
US20060005561A1 (en) * | 2004-07-08 | 2006-01-12 | Dean Murphy | Condensed water production system |
-
2007
- 2007-07-09 US US11/775,194 patent/US20080011354A1/en not_active Abandoned
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5005379A (en) * | 1989-07-05 | 1991-04-09 | Brown Michael E | Air conditioning system |
US5622203A (en) * | 1995-10-03 | 1997-04-22 | Moen Incorporated | Hot water circulation apparatus with adjustable venturi |
US5669221A (en) * | 1996-04-08 | 1997-09-23 | Worldwide Water, Inc. | Portable, potable water recovery and dispensing apparatus |
US5845504A (en) * | 1996-04-08 | 1998-12-08 | Worldwide Water, Inc. | Portable/potable water recovery and dispensing apparatus |
US6209337B1 (en) * | 1997-09-19 | 2001-04-03 | William F. Edwards | Water collection and purification system |
US6199395B1 (en) * | 1999-08-30 | 2001-03-13 | Arthur D. Little, Inc. | Condensate handling assembly and method |
US6644060B1 (en) * | 2000-02-21 | 2003-11-11 | Dil Sham Ventures | Apparatus for extracting potable water from the environment air |
US6206046B1 (en) * | 2000-02-23 | 2001-03-27 | Robbie J. Finley | Lawn and garden chemical dispensing system |
US6481232B2 (en) * | 2000-07-26 | 2002-11-19 | Fakieh Research & Development Center | Apparatus and method for cooling of closed spaces and production of freshwater from hot humid air |
US20030037829A1 (en) * | 2001-08-22 | 2003-02-27 | Wilson Paul A. | Device for the dilution and application of liquids |
US20040040322A1 (en) * | 2002-08-30 | 2004-03-04 | Engel Daniel R. | Apparatus and method for extracting potable water from atmosphere |
US20040237561A1 (en) * | 2003-05-26 | 2004-12-02 | Walter Duarte Barreto Junior | System for utilizing water originating from the air conditioning system in order to supply water to the automobile windshield wiper reservoir |
US20060005561A1 (en) * | 2004-07-08 | 2006-01-12 | Dean Murphy | Condensed water production system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130291580A1 (en) * | 2012-05-03 | 2013-11-07 | Barbara Ruhland-Lindner | Motor vehicle |
US11333395B2 (en) * | 2019-03-11 | 2022-05-17 | Steven Winter Associates, Inc. | Condensate removal system for cold-climate heat pumps |
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