DE3837729C2 - - Google Patents

Info

Publication number
DE3837729C2
DE3837729C2 DE3837729A DE3837729A DE3837729C2 DE 3837729 C2 DE3837729 C2 DE 3837729C2 DE 3837729 A DE3837729 A DE 3837729A DE 3837729 A DE3837729 A DE 3837729A DE 3837729 C2 DE3837729 C2 DE 3837729C2
Authority
DE
Germany
Prior art keywords
openings
air
vehicle
blown
blow
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.)
Expired - Lifetime
Application number
DE3837729A
Other languages
German (de)
English (en)
Other versions
DE3837729A1 (de
Inventor
Dieter Prof. Dr.-Ing. 5901 Wilnsdorf De Geropp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daimler Benz AG
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE3837729A priority Critical patent/DE3837729A1/de
Priority to EP89912395A priority patent/EP0441846B1/de
Priority to DE89912395T priority patent/DE58907194D1/de
Priority to PCT/DE1989/000702 priority patent/WO1990005084A1/de
Priority to US07/679,053 priority patent/US5407245A/en
Publication of DE3837729A1 publication Critical patent/DE3837729A1/de
Application granted granted Critical
Publication of DE3837729C2 publication Critical patent/DE3837729C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/02—Construction details of vehicle bodies reducing air resistance by modifying contour ; Constructional features for fast vehicles sustaining sudden variations of atmospheric pressure, e.g. when crossing in tunnels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D35/00—Vehicle bodies characterised by streamlining
    • 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
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE3837729A 1988-11-07 1988-11-07 Verfahren und vorrichtung zum reduzieren des stroemungswiderstandes im heckbereich eines fahrzeugs, z. b. eines strassen- oder schienenfahrzeugs oder dergleichen Granted DE3837729A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE3837729A DE3837729A1 (de) 1988-11-07 1988-11-07 Verfahren und vorrichtung zum reduzieren des stroemungswiderstandes im heckbereich eines fahrzeugs, z. b. eines strassen- oder schienenfahrzeugs oder dergleichen
EP89912395A EP0441846B1 (de) 1988-11-07 1989-11-07 Vorrichtung zum reduzieren des strömungswiderstandes im heckbereich eines fahrzeugs, z.b. eines strassen-oder schienenfahrzeugs oder dergleichen
DE89912395T DE58907194D1 (de) 1988-11-07 1989-11-07 Vorrichtung zum reduzieren des strömungswiderstandes im heckbereich eines fahrzeugs, z.b. eines strassen-oder schienenfahrzeugs oder dergleichen.
PCT/DE1989/000702 WO1990005084A1 (de) 1988-11-07 1989-11-07 Verfahren und vorrichtung zum reduzieren des strömungswiderstandes im heckbereich eines fahrzeugs, z.b. eines strassen-oder schienenfahrzeugs oder dergleichen
US07/679,053 US5407245A (en) 1988-11-07 1989-11-07 Process and device for reducing the drag in the rear region of a vehicle, for example, a road or rail vehicle or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3837729A DE3837729A1 (de) 1988-11-07 1988-11-07 Verfahren und vorrichtung zum reduzieren des stroemungswiderstandes im heckbereich eines fahrzeugs, z. b. eines strassen- oder schienenfahrzeugs oder dergleichen

Publications (2)

Publication Number Publication Date
DE3837729A1 DE3837729A1 (de) 1990-05-10
DE3837729C2 true DE3837729C2 (enExample) 1991-01-10

Family

ID=6366650

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3837729A Granted DE3837729A1 (de) 1988-11-07 1988-11-07 Verfahren und vorrichtung zum reduzieren des stroemungswiderstandes im heckbereich eines fahrzeugs, z. b. eines strassen- oder schienenfahrzeugs oder dergleichen
DE89912395T Expired - Fee Related DE58907194D1 (de) 1988-11-07 1989-11-07 Vorrichtung zum reduzieren des strömungswiderstandes im heckbereich eines fahrzeugs, z.b. eines strassen-oder schienenfahrzeugs oder dergleichen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE89912395T Expired - Fee Related DE58907194D1 (de) 1988-11-07 1989-11-07 Vorrichtung zum reduzieren des strömungswiderstandes im heckbereich eines fahrzeugs, z.b. eines strassen-oder schienenfahrzeugs oder dergleichen.

Country Status (4)

Country Link
US (1) US5407245A (enExample)
EP (1) EP0441846B1 (enExample)
DE (2) DE3837729A1 (enExample)
WO (1) WO1990005084A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120472A1 (de) * 1991-06-21 1992-07-02 Daimler Benz Ag Verfahren und vorrichtung zum reduzieren des stroemungswiderstandes im heckbereich eines fahrzeuges

Families Citing this family (67)

* Cited by examiner, † Cited by third party
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US6616218B2 (en) * 1994-10-19 2003-09-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Base passive porosity for vehicle drag reduction
US6286892B1 (en) * 1994-10-19 2001-09-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Base passive porosity for drag reduction
IT1279132B1 (it) * 1995-04-19 1997-12-04 Dipartimento Di Energetica Del Dispositivo per la riduzione della resistenza di forma dei veicoli.
US5908217A (en) * 1995-07-17 1999-06-01 Georgia Tech Research Corporation Pneumatic aerodynamic control and drag-reduction system for ground vehicles
DE19602602A1 (de) * 1996-01-25 1997-07-31 Anton Dr Lechner Vorrichtung zur Verringerung des Strömungswiderstandes eines Fahrzeuges, bevorzugt Nutzfahrzeuges
US6068328A (en) * 1997-11-25 2000-05-30 Gazdzinski; Robert F. Vehicular boundary layer control system and method
DE19912140C2 (de) 1999-03-18 2001-04-26 Daimler Chrysler Ag Kraftfahrzeug mit Strömungsbeeinflussungsmitteln zur Reduzierung des Luftwiderstandes
US6742616B2 (en) * 2000-06-20 2004-06-01 Michael F. Leban Hybrid air boost vehicle and method for making same
DE10233041B4 (de) * 2002-07-20 2006-04-20 Daimlerchrysler Ag Heckpartie eines Kraftfahrzeugs
SE0301352L (sv) * 2003-05-09 2004-03-02 Scania Cv Abp Förfarande och anordning för styrning av luftmotstånd
US6994394B1 (en) * 2003-05-23 2006-02-07 Vitaliy Lyakir Automobile body performing decreased aerodynamic lift
US7055638B2 (en) * 2004-01-23 2006-06-06 General Motors Corporation Virtual airdam and method for a vehicle
FR2876975B1 (fr) * 2004-10-25 2007-01-19 Renault Sas Methode et dispositif de controle des structures tourbillonnaires de sillage apparaissant aux parois des vehicules automobiles
US8940265B2 (en) * 2009-02-17 2015-01-27 Mcalister Technologies, Llc Sustainable economic development through integrated production of renewable energy, materials resources, and nutrient regimes
SE528351C2 (sv) 2005-01-27 2006-10-24 Wm Data Caran Ab Förbättringar av landfordons aerodynamiska egenskaper
ITBO20050457A1 (it) 2005-07-08 2007-01-09 Ferrari Spa Vettura ad alte prestazioni con soffiaggio di aria per modificare il campo aerodinamico
DE102006019777A1 (de) * 2006-04-28 2007-11-08 Daimlerchrysler Ag Kraftwagenheck
DE102006041955A1 (de) * 2006-08-30 2008-03-20 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren zur Steuerung der Verbrennung in einer Brennkammer und Brennkammervorrichtung
US20080150321A1 (en) * 2006-11-01 2008-06-26 Colin Neale Vehicle having aerodynamic fan elements
US7695050B2 (en) * 2006-11-01 2010-04-13 Colin Neale Vehicle having aerodynamic fan elements
EP2162621B1 (en) 2007-05-02 2012-06-06 Ramot at Tel-Aviv University Ltd. Apparatus and method for oscillating fluid jets
US8113466B2 (en) * 2007-09-17 2012-02-14 Birkenstock David T System and method for drag reduction
US9188086B2 (en) * 2008-01-07 2015-11-17 Mcalister Technologies, Llc Coupled thermochemical reactors and engines, and associated systems and methods
US8318131B2 (en) 2008-01-07 2012-11-27 Mcalister Technologies, Llc Chemical processes and reactors for efficiently producing hydrogen fuels and structural materials, and associated systems and methods
US7810867B2 (en) * 2008-04-14 2010-10-12 Fastskinz, Inc. Vehicle with drag-reducing outer surface
DE102008060257A1 (de) * 2008-12-03 2010-06-10 Daimler Ag Aktive Grenzschichtbeeinflussung zur Minimierung des Luftwiderstandes eines Kraftwagens
US8313556B2 (en) * 2009-02-17 2012-11-20 Mcalister Technologies, Llc Delivery systems with in-line selective extraction devices and associated methods of operation
US8980416B2 (en) * 2009-02-17 2015-03-17 Mcalister Technologies, Llc Architectural construct having for example a plurality of architectural crystals
US9231267B2 (en) 2009-02-17 2016-01-05 Mcalister Technologies, Llc Systems and methods for sustainable economic development through integrated full spectrum production of renewable energy
US8808529B2 (en) 2009-02-17 2014-08-19 Mcalister Technologies, Llc Systems and methods for sustainable economic development through integrated full spectrum production of renewable material resources using solar thermal
US8441361B2 (en) 2010-02-13 2013-05-14 Mcallister Technologies, Llc Methods and apparatuses for detection of properties of fluid conveyance systems
US9097152B2 (en) * 2009-02-17 2015-08-04 Mcalister Technologies, Llc Energy system for dwelling support
US8814983B2 (en) 2009-02-17 2014-08-26 Mcalister Technologies, Llc Delivery systems with in-line selective extraction devices and associated methods of operation
US8318269B2 (en) * 2009-02-17 2012-11-27 Mcalister Technologies, Llc Induction for thermochemical processes, and associated systems and methods
WO2011100689A2 (en) 2010-02-13 2011-08-18 Mcalister Roy E Chemical reactors with annularly positioned delivery and removal devices, and associated systems and methods
CA2789688C (en) * 2010-02-13 2014-07-08 Mcalister Technologies, Llc Reactor vessels with pressure and heat transfer features for producing hydrogen-based fuels and structural elements, and associated systems and methods
AU2011216244A1 (en) * 2010-02-13 2012-09-06 Mcalister Technologies, Llc Reactor vessels with transmissive surfaces for producing hydrogen-based fuels and structural elements, and associated systems and methods
US8662854B1 (en) 2010-05-21 2014-03-04 Fastskinz, Inc. Turbine with turbulence inducing surface
US8734546B2 (en) 2011-08-12 2014-05-27 Mcalister Technologies, Llc Geothermal energization of a non-combustion chemical reactor and associated systems and methods
US8826657B2 (en) 2011-08-12 2014-09-09 Mcallister Technologies, Llc Systems and methods for providing supplemental aqueous thermal energy
WO2013025650A1 (en) 2011-08-12 2013-02-21 Mcalister Technologies, Llc Mobile transport platforms for producing hydrogen and structural materials and associated systems and methods
US8669014B2 (en) 2011-08-12 2014-03-11 Mcalister Technologies, Llc Fuel-cell systems operable in multiple modes for variable processing of feedstock materials and associated devices, systems, and methods
US9039327B2 (en) 2011-08-12 2015-05-26 Mcalister Technologies, Llc Systems and methods for collecting and processing permafrost gases, and for cooling permafrost
US8888408B2 (en) 2011-08-12 2014-11-18 Mcalister Technologies, Llc Systems and methods for collecting and processing permafrost gases, and for cooling permafrost
WO2013025644A1 (en) 2011-08-12 2013-02-21 Mcalister Technologies, Llc Systems and methods for extracting and processing gases from submerged sources
WO2013025659A1 (en) 2011-08-12 2013-02-21 Mcalister Technologies, Llc Reducing and/or harvesting drag energy from transport vehicles, includings for chemical reactors, and associated systems and methods
US8828491B2 (en) 2011-08-12 2014-09-09 Mcalister Technologies, Llc Methods for manufacturing architectural constructs
US8673509B2 (en) 2011-08-12 2014-03-18 Mcalister Technologies, Llc Fuel-cell systems operable in multiple modes for variable processing of feedstock materials and associated devices, systems, and methods
WO2013025655A2 (en) 2011-08-12 2013-02-21 Mcalister Technologies, Llc Systems and methods for providing supplemental aqueous thermal energy
US8911703B2 (en) 2011-08-12 2014-12-16 Mcalister Technologies, Llc Reducing and/or harvesting drag energy from transport vehicles, including for chemical reactors, and associated systems and methods
JP2013216247A (ja) * 2012-04-10 2013-10-24 Toyota Motor Corp 車両後部構造
US8926719B2 (en) 2013-03-14 2015-01-06 Mcalister Technologies, Llc Method and apparatus for generating hydrogen from metal
US9534296B2 (en) 2013-03-15 2017-01-03 Mcalister Technologies, Llc Methods of manufacture of engineered materials and devices
US9079489B2 (en) 2013-05-29 2015-07-14 Mcalister Technologies, Llc Methods for fuel tank recycling and net hydrogen fuel and carbon goods production along with associated apparatus and systems
EP2851274B1 (en) * 2013-09-23 2016-07-06 C.R.F. Società Consortile per Azioni System for controlling the aerodynamic drag of a motor-vehicle, adapted to cause separation of the boundary layer at a predetermined area of the motor-vehicle body, by the use of passive jets, and motor-vehicle provided with this system
DE102013219706A1 (de) * 2013-09-30 2015-04-02 Siemens Aktiengesellschaft Anordnung zum zeitweiligen Erhöhen eines Luftwiderstands eines Schienenfahrzeugs
US8870275B1 (en) 2013-10-18 2014-10-28 Peter Schmidt Active and passive boundary layer control for vehicle drag reduction
US9586632B2 (en) 2014-11-14 2017-03-07 Embry-Riddle Aeronautical University, Inc. Optimizing jets for wake control of ground vehicles
DE102015004920A1 (de) * 2015-04-17 2016-10-20 Audi Ag Vorrichtung zur Verringerung des Luftwiderstands eines Fahrzeugs
CN104960585A (zh) * 2015-06-26 2015-10-07 哈尔滨工业大学深圳研究生院 基于射流激励器对汽车进行主动减阻控制的方法及系统
US10933894B2 (en) * 2016-04-16 2021-03-02 Mircea Toma System for loading and unloading moving vehicles
CN113401232B (zh) * 2016-09-05 2023-05-16 Ogab有限公司 一种主动减阻系统和减少车辆阻力的方法
CN108313144A (zh) * 2017-01-17 2018-07-24 郑州宇通客车股份有限公司 降低车辆风阻的方法、车辆气路系统及车辆
WO2018163528A1 (ja) * 2017-03-06 2018-09-13 株式会社ホンダアクセス 自動車用空力部品
CN109250002A (zh) * 2017-07-13 2019-01-22 通用汽车环球科技运作有限责任公司 机动车辆的被动空气射流
DE102018221976A1 (de) * 2018-12-17 2020-06-18 Psa Automobiles Sa Luftwiderstandsverringerungseinrichtung für ein Fahrzeug und Verfahren zum Verringern des Luftwiderstands eines Fahrzeugs
EP4172029A4 (en) 2020-06-24 2024-07-31 Energy Horizon LLC Land vehicle drag reduction device and method

Family Cites Families (15)

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DE539614C (de) * 1927-08-21 1931-11-28 Albert Betz Dr Einrichtung zur Beeinflussung der Grenzschicht von einer Stroemung ausgesetzten Koerpern
US2242494A (en) * 1932-04-07 1941-05-20 Austin M Wolf Ventilating and cooling system for motor vehicles
DE649343C (de) * 1935-02-28 1937-08-31 Waggon Fabrik A G Stroemungsbremse fuer Schnellkraftfahrzeuge
US2037942A (en) * 1935-10-28 1936-04-21 Edward A Stalker Means of reducing the fluid resistance of propelled vehicles
GB616163A (en) * 1943-01-19 1949-01-18 Groupement Francais Pour Le Developpement Des Recherches Aeronautiques Means for avoid separation and turbulence in fluids moving with respect to solid surfaces
FR916198A (fr) * 1944-10-28 1946-11-28 Système réducteur de la résistance aérodynamique des mobiles
FR1168556A (fr) * 1957-02-07 1958-12-10 Perfectionnements aux ailes d'avions
DE1456066A1 (de) * 1962-12-24 1970-01-08 Hermann Papst Anordnung zur Grenzschichtabsaugung bei Strassen- und Wasserfahrzeugen
US3591229A (en) * 1967-07-14 1971-07-06 Daimler Benz Ag Installation for reducing the soiling of rear lights or the like at motor vehicle bodies
DE2212952A1 (de) * 1972-03-17 1973-09-27 Messerschmitt Boelkow Blohm Schienenfahrzeug oder schienenzug, vorzugsweise fuer schnellbahnen
US4460055A (en) * 1980-11-03 1984-07-17 Karl Steiner System to increase vehicle fuel efficiency
US4393852A (en) * 1980-12-08 1983-07-19 Eaton Corporation Linkage mechanism for supercharger system
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US5184832A (en) * 1984-12-07 1993-02-09 Tsutomu Miwa Aerodynamic motorcar

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120472A1 (de) * 1991-06-21 1992-07-02 Daimler Benz Ag Verfahren und vorrichtung zum reduzieren des stroemungswiderstandes im heckbereich eines fahrzeuges

Also Published As

Publication number Publication date
EP0441846B1 (de) 1994-03-09
DE3837729A1 (de) 1990-05-10
EP0441846A1 (de) 1991-08-21
WO1990005084A1 (de) 1990-05-17
US5407245A (en) 1995-04-18
DE58907194D1 (de) 1994-04-14

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DAIMLER-BENZ AKTIENGESELLSCHAFT, 7000 STUTTGART, D

8381 Inventor (new situation)

Free format text: GEROPP, DIETER, PROF. DR.-ING., 5901 WILNSDORF, DE

8339 Ceased/non-payment of the annual fee