WO2003027575A2 - Non-mechanical blower - Google Patents
Non-mechanical blower Download PDFInfo
- Publication number
- WO2003027575A2 WO2003027575A2 PCT/US2002/029820 US0229820W WO03027575A2 WO 2003027575 A2 WO2003027575 A2 WO 2003027575A2 US 0229820 W US0229820 W US 0229820W WO 03027575 A2 WO03027575 A2 WO 03027575A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- conduit
- flow
- devices
- baffles
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F99/00—Subject matter not provided for in other groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00457—Ventilation unit, e.g. combined with a radiator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D33/00—Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type
-
- 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
- F24F5/0042—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 characterised by the application of thermo-electric units or the Peltier effect
Definitions
- the present invention relates to a non-mechanical blower for use in heating the interior of a motor vehicle, and more particularly, to the use of thermoelectric devices used in tandem to replace conventional electromechanical blower devices.
- This type of interior heating system is made up of numerous components, making it quite complex and has the potential in the water-coolant loop to plug due to contaminants and leak at the various connections.
- the system is rather slow to respond, especially to provide heat from a cold start on a winter's day.
- the water-coolant system may no longer be available to cool the vehicle as the principal source of power will not be an internal combustion engine.
- U.S. Patent No. 6,079,485 to Easaki, et al. discloses a vehicle air conditioning system in which the vehicle air conditioner unit and a seat heating and cooling device operate in locked relation. The heater/cooler unit requires an electric fan to distribute the heated cooled air.
- U.S. Patent No. 5,901,572 to Peiffer, et al. discloses an auxiliary heating and air conditioning system comprising a thermoelectric cooler in fluid communication with two fans to transfer air to the passengers.
- thermoelectric cooler as an add-on unit that can be positioned at the discharge of a blower and can be plugged into the cigarette lighter receptacle for power.
- U. S. Patent No. 5,687,573 discloses a thermal control device that can be used for heating or cooling parked cars. Attention also is directed to U. S. Patent No. 3,817,043 to Zolita which discloses an automobile air conditioning system in which the engine exhaust provides a heat source for operating a Seebeck generator used for supplying electrical current to a Peltier unit locked in the passenger space for removing heat from the latter. It too depends on the presence of a fan or blower to move the air. Further discussion of thermoelectric devices can be found in the reference entitled "Investigation into the Use of Thermoelectric Devices as Heat Source for Sink Characterization", by Loh et al, Enertron Inc.
- U. S. Patent No. 4,955,203 to Sundhar discloses an air conditioning unit for cooling a parked automobile comprising at least one solar panel positioned interiorly near the front window for providing power and a cooling unit located in the trunk comprising a cooling chamber and a hot air chamber having fans to assist in air circulation.
- thermoelectric devices disposed on the inner walls of a conduit for heating a vehicle.
- the devices are arranged near the top and bottom of the inner walls in alternating and opposing fashion (hot surface, cold surface, hot surface, cold surface, etc.).
- the cold surfaced panels preferentially are arranged at the crest of baffles that extend a majority of the distance from the top surface of the conduit towards the bottom surface of the conduit and alternate with the hot surfaced panels which are preferentially arranged at the trough portion of baffles that extend from the bottom surface of the conduit a majority of the distance towards the top surface of the conduit.
- This forms a serpentine pattern which urges air to flow in response to the energy from the thermoelectric devices.
- thermoelectric devices utilize the Peltier phenomenon to provide a silent heat pump having no moving parts to deliver hot or cold air depending on the polarity of the current supplied to the device.
- a thermoelectric device is a solid-state energy converter which contains arrays of dissimilar semiconductors (the n-types and the -types), thermally joined in parallel and electrically joined in series at both ends to form a couple.
- the n-type semiconductor has excess electrons whereas the p- ypc is electron deficient which converts electrical energy to thermal energy and vice versa.
- the semiconductors p-and n- couples can be anywhere from a few to several hundreds aligned electrically in series and thermally in parallel between the two ceramic plates.
- thermoelectric device As current passes through the couples, from n-type to /?-type, it creates a temperature gradient across the thermoelectric device when heat energy is drawn from the cold junction, transported through the semiconductors by electrons (n-type) and (p-types), and finally, dumps the heat off at the hot junction. If the polarity of the current is reversed, the heat transporting direction reverses accordingly. The amount of heat pumped is in direction proportion to the current supplied. In the above manner, air flow through the conduit is achieved by natural convection (i.e. the motion that occurs in a fluid at a non-uniform temperature owing to the variation in its density and the action of gravity).
- thermoelectric device disposed along the bottom surface of the conduit rises between baffles towards the next succeeding crest portion of the serpentine air flow pattern.
- the heated air is cooled by a cold surface thermoelectric device and falls between baffles towards the next succeeding trough portion of the serpentine air flow pattern and corresponding hot surface thermoelectric device.
- the temperature of the hot thermoelectric devices preferably increases from the conduit inlet to the conduit outlet.
- ram air from the vehicle moving forward can be used to assist air flow through the conduit.
- segments of conduit can be positioned in parallel fashion one atop the other to take maximum advantage of the functioning of a thermoelectric device, that is, the presence of a hot surface on the opposite side from a cold surface or vice versa, thus increasing system efficiency and reducing the number of thermoelectric devices required.
- the hot surface devices can be deactivated and ram air forced across the cold surface devices to cool the occupants.
- Figure 1 is a schematic view illustrating the intent of the invention and the flow path of the heated air; and Figure 2 is a representative perspective view of a sectioned conduit for a vehicle containing the thermoelectric devices illustrating one embodiment of the invention.
- the numerical reference character between the embodiments is held constant, but distinguished by the addition of an alphanumeric character to the existing numerical reference character.
- an element referenced at 10 in the first embodiment is correspondingly referenced at 10A, 10B, and so forth in subsequent embodiments.
- the reference character applies equally, as distinguished by alphanumeric character, to the other embodiments where the element is common.
- FIG. 1 is a schematic illustrating the relative position of the elements of the invention and the flow of the warmed air.
- the structure comprises a conduit 10 having a series of baffles 11 extending across the conduit but leaving a space at the bottom or top of each alternating baffle to create a serpentine path for air to flow from the intake 12 or inlet, past alternating cold and hot surface thermoelectric devices and exit through the exhaust 13 to warm a vehicle's interior.
- Arranged along the inside wall of the conduit 10 at the top are cold surface thermoelectric devices 14 alternating with hot surface thermoelectric devices 15 at the bottom of the conduit.
- the hot surface devices 15 are set at a progressively higher operating temperatures as the air proceeds from intake 12 to exhaust 13.
- FIG. 2 a prospective view of a conduit with one side removed is shown.
- An opening 12A at one end is the inlet for air flow which is caused by a cold surface thermoelectric device being activated at 14A.
- a hot surface thermoelectric device 15A which has been activated causing the air to flow upward due to the convection process.
- Each succeeding hot surface device 16, 17, 18, etc. (also indicated as H) is set at a higher activation temperature than the previous surface device to urge the flow of air to the conduit 13A, and into the passenger compartment.
- the cold surface devices are indicated as C.
- finned heat sinks of aluminum or copper can be attached to the hot and cold surfaces to promote heat transfer, and insulation can be employed to reduce heat losses from the conduit.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02799597A EP1438537A4 (en) | 2001-09-21 | 2002-09-19 | Non-mechanical blower |
AU2002334609A AU2002334609A1 (en) | 2001-09-21 | 2002-09-19 | Non-mechanical blower |
US10/806,069 US20040237541A1 (en) | 2001-09-21 | 2004-03-22 | Non-mechanical blower |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32385501P | 2001-09-21 | 2001-09-21 | |
US60/323,855 | 2001-09-21 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/806,069 Continuation US20040237541A1 (en) | 2001-09-21 | 2004-03-22 | Non-mechanical blower |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003027575A2 true WO2003027575A2 (en) | 2003-04-03 |
WO2003027575A3 WO2003027575A3 (en) | 2004-03-04 |
Family
ID=23261014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/029820 WO2003027575A2 (en) | 2001-09-21 | 2002-09-19 | Non-mechanical blower |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040237541A1 (en) |
EP (1) | EP1438537A4 (en) |
AU (1) | AU2002334609A1 (en) |
WO (1) | WO2003027575A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7866164B2 (en) | 2004-10-07 | 2011-01-11 | Tac Unit, Llc | Cooling and heating systems and methods utilizing thermo-electric devices |
CN114992762A (en) * | 2022-06-14 | 2022-09-02 | 哈尔滨医科大学 | Ultraviolet air sterilizer based on solar energy supply |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100419347C (en) | 2001-08-07 | 2008-09-17 | Bsst公司 | Thermoelectric personal environment appliance |
US7380586B2 (en) | 2004-05-10 | 2008-06-03 | Bsst Llc | Climate control system for hybrid vehicles using thermoelectric devices |
US7743614B2 (en) * | 2005-04-08 | 2010-06-29 | Bsst Llc | Thermoelectric-based heating and cooling system |
US7246496B2 (en) * | 2005-07-19 | 2007-07-24 | Visteon Global Technologies, Inc. | Thermoelectric based heating and cooling system for a hybrid-electric vehicle |
US8783397B2 (en) | 2005-07-19 | 2014-07-22 | Bsst Llc | Energy management system for a hybrid-electric vehicle |
US7870745B2 (en) * | 2006-03-16 | 2011-01-18 | Bsst Llc | Thermoelectric device efficiency enhancement using dynamic feedback |
US7779639B2 (en) * | 2006-08-02 | 2010-08-24 | Bsst Llc | HVAC system for hybrid vehicles using thermoelectric devices |
US20100155018A1 (en) | 2008-12-19 | 2010-06-24 | Lakhi Nandlal Goenka | Hvac system for a hybrid vehicle |
WO2008148042A2 (en) | 2007-05-25 | 2008-12-04 | Bsst Llc | System and method for distributed thermoelectric heating and colling |
US8544292B2 (en) * | 2007-07-10 | 2013-10-01 | Omnitherm, Inc. | Vehicle air conditioner |
US9447994B2 (en) | 2008-10-23 | 2016-09-20 | Gentherm Incorporated | Temperature control systems with thermoelectric devices |
US9555686B2 (en) | 2008-10-23 | 2017-01-31 | Gentherm Incorporated | Temperature control systems with thermoelectric devices |
EP2349753B1 (en) | 2008-10-23 | 2016-11-23 | Gentherm Incorporated | Multi-mode hvac system with thermoelectric device |
EP2433192B2 (en) | 2009-05-18 | 2020-08-26 | Gentherm Incorporated | Temperature control system with thermoelectric device |
US8974942B2 (en) | 2009-05-18 | 2015-03-10 | Gentherm Incorporated | Battery thermal management system including thermoelectric assemblies in thermal communication with a battery |
DE112012002935T5 (en) | 2011-07-11 | 2014-05-15 | Gentherm Inc. | Thermoelectric based thermal management of electrical devices |
GB2496141B (en) * | 2011-11-01 | 2017-04-26 | Intersurgical Ag | Improvements relating to breathing systems |
DE102012013167A1 (en) * | 2012-07-02 | 2014-01-02 | Volkswagen Aktiengesellschaft | Air conditioning system for motor vehicle, has circuit with coolant flow direction, where two thermoelectric heat pumps coupled to one another through coolant circuit so that coolant is heated by heat exchange with hot side of heat pump |
WO2014160361A1 (en) * | 2013-03-14 | 2014-10-02 | Steinhour Leif Alexi | Convection pump and method of operation |
CN107249910B (en) | 2014-12-19 | 2021-01-15 | 詹思姆公司 | Thermal conditioning system and method for a vehicle area |
US10625566B2 (en) | 2015-10-14 | 2020-04-21 | Gentherm Incorporated | Systems and methods for controlling thermal conditioning of vehicle regions |
US11402125B1 (en) * | 2021-02-26 | 2022-08-02 | JozieV, Inc. | Enhanced heating system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US3817043A (en) | 1972-12-07 | 1974-06-18 | Petronilo C Constantino & Ass | Automobile air conditioning system employing thermoelectric devices |
US4955203A (en) | 1989-08-16 | 1990-09-11 | Sundhar Shaam P | Air conditioner for parked automotive vehicle |
US5623828A (en) | 1996-04-05 | 1997-04-29 | Harrington; Steven S. | Thermoelectric air cooling device |
US5687573A (en) | 1996-06-06 | 1997-11-18 | Shih; Ping-Ho | Thermal control device for cooling or heating parked vehicles |
US5901572A (en) | 1995-12-07 | 1999-05-11 | Rocky Research | Auxiliary heating and air conditioning system for a motor vehicle |
US6079485A (en) | 1997-04-28 | 2000-06-27 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle air-conditioning system with seat heating and cooling device |
Family Cites Families (18)
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US4065936A (en) * | 1976-06-16 | 1978-01-03 | Borg-Warner Corporation | Counter-flow thermoelectric heat pump with discrete sections |
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FR2537712A1 (en) * | 1982-12-08 | 1984-06-15 | Droit Philippe | Heat exchanger for temperature conditioning apparatus |
IT1182849B (en) * | 1985-09-03 | 1987-10-05 | Ital Idee Srl | THERMOELECTRIC EFFECT EQUIPMENT FOR THE GENERATION OF CURRENT IN ENDOTHERMIC MOTOR VEHICLES AND SIMILAR, WITH HEAT RECOVERY DISSIPATED OUTSIDE |
US4800952A (en) * | 1987-07-22 | 1989-01-31 | General Electric Company | Thaw flow control for liquid heat transport systems |
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JP3817010B2 (en) * | 1997-02-14 | 2006-08-30 | 富士通株式会社 | Ventilation duct, cooling device and electronic equipment |
GB9804896D0 (en) * | 1998-03-10 | 1998-04-29 | Rover Group | A beverage vessel holder |
JP2000335230A (en) * | 1999-03-24 | 2000-12-05 | Tgk Co Ltd | Heating device for vehicle |
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JP3510831B2 (en) * | 1999-12-22 | 2004-03-29 | 株式会社小松製作所 | Heat exchanger |
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US6324058B1 (en) * | 2000-10-25 | 2001-11-27 | Chieh-Jen Hsiao | Heat-dissipating apparatus for an integrated circuit device |
-
2002
- 2002-09-19 WO PCT/US2002/029820 patent/WO2003027575A2/en not_active Application Discontinuation
- 2002-09-19 AU AU2002334609A patent/AU2002334609A1/en not_active Abandoned
- 2002-09-19 EP EP02799597A patent/EP1438537A4/en not_active Withdrawn
-
2004
- 2004-03-22 US US10/806,069 patent/US20040237541A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817043A (en) | 1972-12-07 | 1974-06-18 | Petronilo C Constantino & Ass | Automobile air conditioning system employing thermoelectric devices |
US4955203A (en) | 1989-08-16 | 1990-09-11 | Sundhar Shaam P | Air conditioner for parked automotive vehicle |
US5901572A (en) | 1995-12-07 | 1999-05-11 | Rocky Research | Auxiliary heating and air conditioning system for a motor vehicle |
US5623828A (en) | 1996-04-05 | 1997-04-29 | Harrington; Steven S. | Thermoelectric air cooling device |
US5687573A (en) | 1996-06-06 | 1997-11-18 | Shih; Ping-Ho | Thermal control device for cooling or heating parked vehicles |
US6079485A (en) | 1997-04-28 | 2000-06-27 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle air-conditioning system with seat heating and cooling device |
Non-Patent Citations (2)
Title |
---|
Investigation into the use of Thermoelectric Devices as Heat Source for Sink Characterization by Loh et al, Enertron Inc. |
See also references of EP1438537A4 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7866164B2 (en) | 2004-10-07 | 2011-01-11 | Tac Unit, Llc | Cooling and heating systems and methods utilizing thermo-electric devices |
CN114992762A (en) * | 2022-06-14 | 2022-09-02 | 哈尔滨医科大学 | Ultraviolet air sterilizer based on solar energy supply |
CN114992762B (en) * | 2022-06-14 | 2023-04-18 | 哈尔滨医科大学 | Ultraviolet air sterilizer based on solar energy supply |
Also Published As
Publication number | Publication date |
---|---|
EP1438537A4 (en) | 2005-04-13 |
US20040237541A1 (en) | 2004-12-02 |
AU2002334609A1 (en) | 2003-04-07 |
EP1438537A2 (en) | 2004-07-21 |
WO2003027575A3 (en) | 2004-03-04 |
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