[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

DE740901C - Cooling air ducting, located in the front of the vehicle, for reducing the internal and external air resistance at the same time in slippery motor vehicles - Google Patents

Cooling air ducting, located in the front of the vehicle, for reducing the internal and external air resistance at the same time in slippery motor vehicles

Info

Publication number
DE740901C
DE740901C DEB184413D DEB0184413D DE740901C DE 740901 C DE740901 C DE 740901C DE B184413 D DEB184413 D DE B184413D DE B0184413 D DEB0184413 D DE B0184413D DE 740901 C DE740901 C DE 740901C
Authority
DE
Germany
Prior art keywords
vehicle
slippery
motor vehicles
internal
cooling air
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
Application number
DEB184413D
Other languages
German (de)
Inventor
Dr Helmut Brandt
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.)
HELMUT BRANDT DR
Original Assignee
HELMUT BRANDT DR
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 HELMUT BRANDT DR filed Critical HELMUT BRANDT DR
Priority to DEB184413D priority Critical patent/DE740901C/en
Application granted granted Critical
Publication of DE740901C publication Critical patent/DE740901C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00Arrangement in connection with cooling of propulsion units
    • B60K11/02Arrangement in connection with cooling of propulsion units with liquid cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Description

Der Kühlluftführung dienende, im Fahrzeugbug angeordnete Düse zum gleichzeitigen Verringern des inneren und äußeren Luftwiderstandes bei windschlüpfigen Kraftfahrzeugen Die Erfindung bezieht sich auf eine der Kühlluftführung dienende, im Fahrzeugbug angeordnete Düse zum gleichzeitigen. Verringern des inneren und äußeren Luftwiderstandes bei windschlüpfigen Kraftfahrzeugen.The nozzle for cooling air is arranged in the front of the vehicle simultaneous reduction of the internal and external air resistance in the case of slippery Motor vehicles The invention relates to a cooling air duct serving, Nozzle arranged in the front of the vehicle for simultaneous. Decreasing the inner and outer Air resistance in slippery motor vehicles.

Der Luftwiderstand eins aerodynamisch korrekten Stromlinienaufbaues von Kraftfahrzeugen beträgt bekanntlich ein Vielfaches gegenüber dem eines idealen Stromlinienkörpers gleicher Ansichtsfläche. Das liegt in den durch' die Wagenform gegebenen Verhältnissen begründet: -i. Die Luftströmung neigt auf dein Rücken des Wagens zum vorzeitigen Abreißen. (Wollte man das durch die Formgebung vermeiden, müßte man de n; Wagenaufbau beträchtlich lang ausführen, was für ein. Gebrauchsfahrzeug jedoch nicht angängig ist.).The air resistance of an aerodynamically correct streamlined structure of motor vehicles is known to be a multiple of that of an ideal Streamlined body of the same face. This is due to the shape of the car given circumstances justified: -i. The air flow leans towards your back Premature demolition trolley. (If you wanted to avoid this through the design, one would have to de n; Car body take a long time, what a. Utility vehicle but is not accessible.).

z. Die mehrmalige Richtungsänderung, die die Strömung am Wagen ausführen muß, begünstigt das Abreißen. (Meistens beginnt der Luftstrom schon an der Kühlernase abzureißen. Vor der Stirnscheibe entsteht ein starker Staudruck.z. The multiple changes in direction that the current carries out on the carriage must, favors tearing off. (Most of the time, the air flow begins at the radiator nose demolish. A strong dynamic pressure arises in front of the front disk.

4. Besonders schwerwiegend ist die Wirkung des Staudruckes, .der sich unter-der Motorhaube ausbildet und an den inneren Flächen einen Rücktrieb erzeugt. (innerer Luftwiderstand.) Zur Verminderung des inneren Widerstandes haben gelegentlich Kühlluftführungen Anwendung gefunden. Ebenso ist es bekannt, um das. Abreißen der Strömung hinauszuzögern, an den gestörten Stellen Gas (z. B: Motorabgase) zuzuführen.4. The effect of the back pressure is particularly serious Forms under the bonnet and generates a reverse drive on the inner surfaces. (Internal air resistance.) Occasionally have to reduce internal resistance Cooling air ducts found application. Likewise, it is known to tear off the Delaying the flow, adding gas (e.g. engine exhaust) to the disturbed points.

Erfindungsgemäß werden die vorstehend aufgezeigten Nachteile vermieden durch,eine Kühlluftführung besonderer. Art.According to the invention, the disadvantages indicated above are avoided through, a cooling air duct special. Art.

Der Kühlluftstrom; der sonst frei in den Motorraum-eintritt, fließt durch eine düsenartige Leitung, die ihn schließlich am Ende der Mötorhaube schräg nach oben ausbläst, so daß er die Stirnscheiben tängential streift, und daB der Wagenoberteil vom zusätzlichen Luftstrom in den Bahnen 'der natürlichen Stromlinien umspült wird. Der vordere Querschnitt der Luftführung ist im allgemeinen ungefähr gleich der Kühleransichtsfläche. Die Leitung führt in sanftem Bogen über den Motor hinweg oder zu dessen beiden Seiten in zwei Teilleitungen vorbei unter gleichzeitiger Verminderung ihres Querschnittes (vgl. die Abbildung). In vereinfachter Ausführung kann auch eine Leitblechanordnung Verwendung finden.The cooling air flow; which otherwise flows freely into the engine compartment through a nozzle-like pipe that finally slants it at the end of the Mötor hood blows out upwards so that it touches the end disks tangentially, and that the Car shell from the additional airflow in the pathways' natural Streamlines is washed around. The front cross-section of the air duct is generally approximate equal to the face of the radiator. The line runs in a gentle curve over the motor away or to both sides of it in two sub-lines passing at the same time Reduction of their cross-section (see the figure). In a simplified version a baffle arrangement can also be used.

Diese Anordnung vermeidet nicht nur den Rücktrieb im Innern der Haube, sondern es werden auch die vorstehend erläuterten Nachteile vermieden. Der zusätzliche Luftstrom, der durch die Düsenwirkung noch beschleunigt wird, bläst den Staudruck vor den Stirnscheiben weg; außerdem verhindert er das frühzeitige Abreißen der Luftströmung, da er der Grenzschicht auf dem Rücken des Wagens Energie zuführt. Der Ventilator; der innerhalb der Luftführung läuft, unterstützt deren Wirkung. Die Austrittsspalten sind durch Gitter abzudecken, die als Strömungsrichter dienen und die Strömung in die Bahnen der natürlichen Stromlinie am Wagenoberteil lenken.This arrangement not only avoids backdriving inside the hood, rather, the disadvantages explained above are also avoided. The additional Air flow, which is accelerated by the nozzle action, blows the dynamic pressure away from the front disks; it also prevents the air flow from breaking off prematurely, because it supplies energy to the boundary layer on the back of the car. The ventilator; that runs inside the air duct supports its effect. The exit slits are to be covered by grids that serve as flow directors and control the flow in direct the trajectories of the natural streamline on the upper part of the car.

Von ausschlaggebender Bedeutung für besonders schnelle Wagen ist es, daß das Aufwärtslenken des Luftstromes die Bodenhaftung .des Wagens vergrößert.It is of crucial importance for particularly fast cars that that the upward direction of the air flow increases the traction of the car.

Durch die Luftführung wird die Kühlung intensiver, so daß man mit einem kleineren Kühler auskommt. Die günstigste Motortemperatur ist durch Regeln des Kühlwasserumlaufes aufrechtzuerhalten. Zur Steigerung der Autöbahnfestigkeit ist es angebracht, wenn eine ähnliche Luftführung den unteren Teil des Stromes an der Kurbelwanne des Motors zum Zwecke der Ü1-kühlung vorbeistreichen läßt.The air flow makes the cooling more intense, so that you can with a smaller cooler gets by. The most favorable engine temperature is by rules of the cooling water circulation. To increase the strength of the automobile it is appropriate if a similar air duct is applied to the lower part of the stream lets the engine crankcase pass by for the purpose of Ü1 cooling.

Claims (1)

PATENTANSPRÜCHE: i. Der Kühlluftführung dienende,- im Fahrzeugbug angeordnete Düse zum gleichzeitigen Verringern des inneren und äußeren Luftwiderstandes bei windschlüpfigen Kraftfahrzeugen, dadurch gekennzeichnet. daß der Düsenaustritt schräg nach oben, tangential zu der (den) Stirnscheiben) gerichtet i.st,.so daß der austretende Luftstrom dieselbe Richtung wie die auf der Stirnscheibe fließende Grenzschicht hat, in die Grenzschichtstromfäden hinein ausgeblasen wird und somit in den Bahnen der natürlichen Stromlinien des Fahrze goberteiles fließt. z. Düse nach Anspruch i, dadurch gekennzeichnet, daß ihr Austritt mit einem als Strömungsrichter dienenden Gitter versehen ist. Zur Abgrenzung des Anmeldungsgegenstandes vom Stand der Technik sind im Erteilungsverfahren in Betracht gezogen worden: deutsche Patentschrift ...... Nr. 537 669; schweizerische - ...... - 178390, 175 Zoo; französische Patentschrift ... Nr. 749 596, 571027.
PATENT CLAIMS: i. The cooling air duct serving - nozzle arranged in the front of the vehicle for the simultaneous reduction of the internal and external air resistance in slippery motor vehicles, characterized. that the nozzle outlet is directed obliquely upwards, tangentially to the end disk (s), so that the exiting air stream has the same direction as the boundary layer flowing on the end disk, is blown into the boundary layer flow threads and thus in the paths of the natural Streamlines of the upper part of the vehicle flows. z. Nozzle according to claim i, characterized in that its outlet is provided with a grille serving as a flow guide. To distinguish the subject of the application from the state of the art, the following were considered in the granting procedure: German patent specification ...... No. 537 669; Swiss - ...... - 178390, 175 zoo; French patent specification ... No. 749 596, 571027.
DEB184413D 1938-08-26 1938-08-26 Cooling air ducting, located in the front of the vehicle, for reducing the internal and external air resistance at the same time in slippery motor vehicles Expired DE740901C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB184413D DE740901C (en) 1938-08-26 1938-08-26 Cooling air ducting, located in the front of the vehicle, for reducing the internal and external air resistance at the same time in slippery motor vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB184413D DE740901C (en) 1938-08-26 1938-08-26 Cooling air ducting, located in the front of the vehicle, for reducing the internal and external air resistance at the same time in slippery motor vehicles

Publications (1)

Publication Number Publication Date
DE740901C true DE740901C (en) 1943-10-30

Family

ID=7009787

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB184413D Expired DE740901C (en) 1938-08-26 1938-08-26 Cooling air ducting, located in the front of the vehicle, for reducing the internal and external air resistance at the same time in slippery motor vehicles

Country Status (1)

Country Link
DE (1) DE740901C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE941891C (en) * 1951-11-23 1956-04-19 Daimler Benz Ag Warm air heating for the windshields of motor vehicles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR571027A (en) * 1923-09-24 1924-05-10 Radiator ventilation device in motor vehicles
DE537669C (en) * 1929-03-07 1931-11-05 Johan Bernhard Helge Sundberg Device for preventing the formation of ice or the precipitation of water on the windshield of vehicles, in particular motor vehicles
FR749596A (en) * 1933-01-26 1933-07-26 Peugeot Further training in motor vehicles
CH175204A (en) * 1934-09-01 1935-02-15 Tatra Werke Ag Equipment on land and air vehicles to reduce air resistance.
CH178390A (en) * 1934-04-03 1935-07-15 Tatra Werke Ag Streamlined vehicle body, in particular for motor vehicles.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR571027A (en) * 1923-09-24 1924-05-10 Radiator ventilation device in motor vehicles
DE537669C (en) * 1929-03-07 1931-11-05 Johan Bernhard Helge Sundberg Device for preventing the formation of ice or the precipitation of water on the windshield of vehicles, in particular motor vehicles
FR749596A (en) * 1933-01-26 1933-07-26 Peugeot Further training in motor vehicles
CH178390A (en) * 1934-04-03 1935-07-15 Tatra Werke Ag Streamlined vehicle body, in particular for motor vehicles.
CH175204A (en) * 1934-09-01 1935-02-15 Tatra Werke Ag Equipment on land and air vehicles to reduce air resistance.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE941891C (en) * 1951-11-23 1956-04-19 Daimler Benz Ag Warm air heating for the windshields of motor vehicles

Similar Documents

Publication Publication Date Title
DE102015101797A1 (en) Motor vehicle with a rear-mounted, supercharged internal combustion engine
DE740901C (en) Cooling air ducting, located in the front of the vehicle, for reducing the internal and external air resistance at the same time in slippery motor vehicles
DE2758999C2 (en)
EP3616950B1 (en) Motor vehicle with a heat exchanger
DE833162C (en) Cooling fan for motor vehicles with water-cooled engine
DE701865C (en) Ventilation for the motor vehicle of a train
DE871309C (en) Cooling system for motor vehicles driven by internal combustion engines, especially rail cars
DE696933C (en)
DE1108099B (en) Motorized fan cover for motor vehicles, rail vehicles and water vehicles
DE742482C (en) Cooling device for vehicle tires
DE532839C (en) Device for cooling motor vehicle engines
DE102017010732A1 (en) Cooling air control system on a motor vehicle bug
DE534173C (en) Device for cooling motor vehicle engines
DE585264C (en) Air guidance in an air-cooled radial engine
DE537669C (en) Device for preventing the formation of ice or the precipitation of water on the windshield of vehicles, in particular motor vehicles
AT208920B (en) Device for venting the engine compartment on vehicles with internal combustion engine drives
AT154168B (en) Ventilation of air-cooled engines in vehicles with a streamlined body and rear engine.
DE1109050B (en) Device on inlet openings for the engine cooling air at the rear of motor vehicles
AT388533B (en) MOTOR VEHICLE
AT163316B (en) Arrangement of driver's cab, engine and cooling system of an internal combustion engine traction vehicle
AT145394B (en) Air supply for motor vehicles with rear engine.
AT146052B (en) Cooling air duct for motor vehicles with rear engine.
DE19645091A1 (en) Heat exchanger unit for motor vehicle
DE734021C (en) Cooling air duct for streamlined vehicles, especially with a rear engine
AT137858B (en) Fan for vehicles.