EP3261928A1 - Rotational ducted fan (rdf) propulsion system - Google Patents
Rotational ducted fan (rdf) propulsion systemInfo
- Publication number
- EP3261928A1 EP3261928A1 EP15881340.2A EP15881340A EP3261928A1 EP 3261928 A1 EP3261928 A1 EP 3261928A1 EP 15881340 A EP15881340 A EP 15881340A EP 3261928 A1 EP3261928 A1 EP 3261928A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotational
- providing
- shroud
- ducted fan
- thrust
- 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.)
- Withdrawn
Links
- 230000003068 static effect Effects 0.000 claims abstract description 61
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 14
- 230000001846 repelling effect Effects 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 61
- 238000003860 storage Methods 0.000 claims description 27
- 238000013461 design Methods 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 17
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- 238000009434 installation Methods 0.000 claims description 6
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
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- 238000005339 levitation Methods 0.000 claims 20
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- 238000005381 potential energy Methods 0.000 claims 9
- 229910001172 neodymium magnet Inorganic materials 0.000 claims 6
- 239000000377 silicon dioxide Substances 0.000 claims 6
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- 229910021652 non-ferrous alloy Inorganic materials 0.000 claims 1
- 238000012983 electrochemical energy storage Methods 0.000 abstract description 4
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
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- 239000002551 biofuel Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RNAMYOYQYRYFQY-UHFFFAOYSA-N 2-(4,4-difluoropiperidin-1-yl)-6-methoxy-n-(1-propan-2-ylpiperidin-4-yl)-7-(3-pyrrolidin-1-ylpropoxy)quinazolin-4-amine Chemical compound N1=C(N2CCC(F)(F)CC2)N=C2C=C(OCCCN3CCCC3)C(OC)=CC2=C1NC1CCN(C(C)C)CC1 RNAMYOYQYRYFQY-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/001—Shrouded propellers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Definitions
- the present invention relates to an aircraft propulsion system, and more particularly to a novel rotational inlet shroud, and additionally to an energy storage and maintenance system.
- combustion type systems include design restrictions to
- Electric ducted fan systems have shortcomings too.
- Traditional electric ducted fan motors rely on a separate battery source which results in energy losses through wire resistance caused from separating batteries or stored energy some distance away from its point of use.
- Traditional electric fan motors have a static shroud and a dynamic hub which the aero foil blades are attached, which contributes to airflow energy losses at the blade tips, similarly to those losses experienced by combustive propulsion systems.
- an embodiment of a rotational ducted fan motor comprises a monolithic rotational ducted fan rotor, an electric propulsion system, a static aft-shroud comprising electrochemical-energy-storage, and an engagement system.
- the rotational ducted fan rotor is the portion of a ducted fan motor comprising a propeller, a duct, and a center hub, and having the effect of increasing the pressure difference from upstream to downstream of the
- the electric propulsion system comprises permanent magnets affixed to the rotational ducted fan rotor, repelling magnetic coils affixed to the static aft-shroud and electrical power provided by the electrochemical-energy-storage comprised within the aft-shroud.
- an aft-shroud comprises one mounting section that houses electrical controls and has mounting hanger bars for a hook and latch connection and
- segments of the aft-shroud having the effect of heat exchangers and electrical supply systems for the propulsion system.
- Figure 1 is a perspective view of a rotational ducted fan motor
- Figure 2 is a front view of a rotational ducted fan motor
- Figure 3 is a left view of a rotational ducted fan motor
- Figure 4 is a right sectional view of a rotational ducted fan motor
- Figure 5 is a perspective view of a method of assembly for the rotational ducted fan motor
- Figure 6 is a rear section view of an embodiment of a serviceable aft duct shroud
- Figure 7 is a perspective view of an example aircraft and its applicable rotational ducted fan motor installation arrangements ;
- Figure 8 is a plan view of a flow diagram for producing a commercial rotational ducted fan propulsion system.
- Figure 9 is a plan view of a rotational ducted fan system with interactions to other associated systems.
- FIG. 1 is a perspective view of a rotational ducted fan motor.
- the embodiment shown in FIG. 1 comprises a static non-rotating aft duct 110, and a rotational ducted fan 202.
- the rotational ducted fan is described as a dynamic rotor that rotates about an axis parallels to its thrust, and is comprised of an outer shroud or duct that is dynamic and rotates orbitally about a center axis that is parallel to its generally cylindrical shape, and concentric to a center hub and an
- the rotational ducted fan or orbital fan duct is comprised of a cylinder that has a plurality of propeller blades affixed axially at their substantially larger diameter or blade tip to the inner surface of an approximately cylindrically shaped duct.
- propeller blades to adjoin essentially two rings, an outer and an inner ring by a plurality of blades between these two rings concentrically about a shared axis.
- an airfoil entry lip 104 rotates tangentially to incoming fluid flow to create forward lift, while its affixed propeller blades are creating a forward vacuum and aft thrust pressure 106 as they rotate about axis 108.
- FIG. 2 is a front view of a rotational ducted fan motor.
- FIG. 2 illustrates the forward component of the system, the rotational ducted fan monolithic rotor.
- the control surfaces are of an aerodynamic nature and designed to create forward lift at 104 and the plurality of 106 as these surfaces both rotate coaxially about the axis 208, while
- FIG. 3 is a left view of a rotational ducted fan motor.
- the advantageous embodiment of the rotational ducted fan inlet lip 308 creates a fluidic accelerant for bypass with a drag component airfoil convexly situated generally outside the rotational duct 104.
- the dynamic rotor 202 and static shroud 110 are independent of each other, whereby they are separated by a magnetic force field gap 302.
- FIG. 4 provides details of the novel energy conversion machine.
- Figure 4 is a right sectional view of a rotational ducted fan motor. Referring to FIG. 4, comprising an aft static duct 110, an orbiting rotational ducted fan rotor 202, and various arrangements of neodymium permanent magnets 406 and 414, and various arrangements of magnetic coils 410 and 412 that work as a system to create kinetic energy from magnetic fields.
- FIG. 4 shows the electrochemical current storage cell cavity 418 as comprised in the static aft duct.
- Figure 5 is a perspective view of a method of assembly for the rotational ducted fan motor. More particularly, FIG. 5 shows the assembly of how a rotational ducted fan rotor 202 is housed by its static aft shroud or duct housing.
- the static aft shroud or duct is segmented into at least two parts, whereby one of the segments mounts to an aircraft 514 and 508, and comprises a hinge, such as is shown in example element 512, that allows servicing or removal of at least one other static aft shroud or duct housing segment 504.
- Figure 6 is a rear section view of an embodiment of a serviceable aft shroud or aft duct. Referring to FIG 6. the two rear aft shroud duct segments area shown in as an embodiment section 606 with an integrated crook hook 612 that assembles onto a hinge hanger 512. This method of design embodiment allows for servicing by lifting the panels to an open or
- FIG. 7 is a perspective view of an example aircraft and its applicable rotational ducted fan motor installation arrangements.
- an aircraft refers to any aerial form of cargo transportation whereby there is a fuselage or hull 710.
- a fixed wing aircraft 702 receives propulsion rotational ducted fan (RDF) motors 102 mounted to fixed wings 708, or to fuselage 710.
- RDF propulsion rotational ducted fan
- a vertical take-off aircraft will also benefit from the advantageous electrical thrust energy to propel the vehicle.
- Figure 8 is a plan view of a flow diagram for producing a commercial rotational ducted fan propulsion system. Referring to FIG. 8, the seven steps of the process necessary to producing the rotational ducted fan propulsion system and implementing it into service, beginning with the design phase 804 whereby
- Electrijet Flight Systems holds the design authority and design rights for use of the rotational ducted fan rotor in conjunction with an aft duct assembly 102 or any rotational monolithic shrouded propeller with inserted permanent magnets and
- Figure 9 is a plan view of a rotational ducted fan system with interactions to other associated systems.
- the three primary systems comprising the rotational ducted fan propulsion system are shown 902.
- a rotational ducted fan rotor 304 comprised of a composite inlet lip, thrust propeller 106, and permanent magnets 406 and 414.
- An aft shroud housing duct 110 comprised of composite may also wrap an alumina core housing of an
- the magnetic coils 412 and 410 receive their systems energy from the electro-chemical storage and dispersement of 418, and are replaceable in the embodiment 606.
- the controls for the release of the energy to the coils is governed by an electrical distribution system 906.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2015/014093 WO2016126231A1 (en) | 2015-02-02 | 2015-02-02 | Rotational ducted fan (rdf) propulsion system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3261928A1 true EP3261928A1 (en) | 2018-01-03 |
EP3261928A4 EP3261928A4 (en) | 2018-09-12 |
Family
ID=56564437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15881340.2A Withdrawn EP3261928A4 (en) | 2015-02-02 | 2015-02-02 | Rotational ducted fan (rdf) propulsion system |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3261928A4 (en) |
CN (1) | CN107428416A (en) |
CA (1) | CA2981926A1 (en) |
WO (1) | WO2016126231A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2996284A1 (en) | 2015-09-02 | 2017-04-20 | Jetoptera, Inc. | Fluidic propulsive system |
US10464668B2 (en) | 2015-09-02 | 2019-11-05 | Jetoptera, Inc. | Configuration for vertical take-off and landing system for aerial vehicles |
US11001378B2 (en) | 2016-08-08 | 2021-05-11 | Jetoptera, Inc. | Configuration for vertical take-off and landing system for aerial vehicles |
CN111727312B (en) | 2017-06-27 | 2023-07-14 | 杰拓普特拉股份有限公司 | Configuration of a vertical take-off and landing system for an aircraft |
GB201807769D0 (en) * | 2018-05-14 | 2018-06-27 | Rolls Royce Plc | Electric ducted fan |
GB2565886B (en) * | 2018-06-19 | 2019-09-11 | Cvr Ltd | Electric engine |
FR3087822B1 (en) * | 2018-10-26 | 2020-11-06 | Safran Aircraft Engines | TURBOMACHINE WITH ELECTRIC MACHINE INCLUDING A ROTOR RING HELD TO THE BLOWER |
GB2599901A (en) | 2020-10-09 | 2022-04-20 | Blue Bear Systems Res Ltd | Electric ducted fan propulsor |
GB2604583B (en) * | 2021-02-26 | 2023-12-06 | Dyson Technology Ltd | Apparatus and method for generating an air flow |
CN113982782A (en) * | 2021-10-20 | 2022-01-28 | 上海交通大学 | Rim-driven turbofan duct jet-propelled shaftless electric permanent magnet aviation propeller and application |
GB2617596A (en) * | 2022-04-13 | 2023-10-18 | Greenjets Ltd | Electric propulsion systems |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5220231A (en) * | 1990-08-23 | 1993-06-15 | Westinghouse Electric Corp. | Integral motor propulsor unit for water vehicles |
US5183222A (en) * | 1991-08-12 | 1993-02-02 | Tacticon Corp. | Electric powered tip-driven fan with metal/air battery assembly therefor |
US5607329A (en) * | 1995-12-21 | 1997-03-04 | The United States Of America As Represented By The Secretary Of The Navy | Integrated motor/marine propulsor with permanent magnet blades |
US5702273A (en) * | 1996-05-19 | 1997-12-30 | The United States Of America As Represented By The Secretary Of The Navy | Marine propulsion system for underwater vehicles |
US5749700A (en) * | 1996-07-17 | 1998-05-12 | Allison Engine Company, Inc. | High speed, high temperature hybrid magnetic thrust bearing |
GB2370922A (en) * | 2001-01-04 | 2002-07-10 | Andrew David Brown | Electro-magnetic propulsion engine |
US6809444B1 (en) * | 2003-10-06 | 2004-10-26 | The United States Of America As Represented By The Secretary Of The Navy | Free rotating integrated motor propulsor |
WO2007047352A2 (en) * | 2005-10-18 | 2007-04-26 | Daren Luedtke | Variable speed transmission |
FR2907759B1 (en) * | 2006-10-31 | 2008-12-12 | Aircelle Sa | NACELLE FOR TURBOREACTOR WITH SIDE OPENING |
US8299669B2 (en) * | 2010-10-18 | 2012-10-30 | Hamilton Sundstrand Corporation | Rim driven thruster having transverse flux motor |
-
2015
- 2015-02-02 WO PCT/US2015/014093 patent/WO2016126231A1/en active Application Filing
- 2015-02-02 CA CA2981926A patent/CA2981926A1/en not_active Abandoned
- 2015-02-02 EP EP15881340.2A patent/EP3261928A4/en not_active Withdrawn
- 2015-02-02 CN CN201580078673.1A patent/CN107428416A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2016126231A1 (en) | 2016-08-11 |
CN107428416A (en) | 2017-12-01 |
EP3261928A4 (en) | 2018-09-12 |
CA2981926A1 (en) | 2016-08-11 |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20180813 |
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