DE19525222A1 - Procedure for mfg fuel tanks with integrated surge plates - has mould elements built into blowing mould, and are rigid component parts of mould, and programmed to be movable in two axes - Google Patents

Procedure for mfg fuel tanks with integrated surge plates - has mould elements built into blowing mould, and are rigid component parts of mould, and programmed to be movable in two axes

Info

Publication number
DE19525222A1
DE19525222A1 DE1995125222 DE19525222A DE19525222A1 DE 19525222 A1 DE19525222 A1 DE 19525222A1 DE 1995125222 DE1995125222 DE 1995125222 DE 19525222 A DE19525222 A DE 19525222A DE 19525222 A1 DE19525222 A1 DE 19525222A1
Authority
DE
Germany
Prior art keywords
mould
programmed
axes
procedure
movable
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Withdrawn
Application number
DE1995125222
Other languages
German (de)
Inventor
Antonios Dr Rer Nat Gkogkidis
Michael Dipl Ing Kloes
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.)
WALBRO AUTOMOTIVE GmbH
Original Assignee
WALBRO AUTOMOTIVE GmbH
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 WALBRO AUTOMOTIVE GmbH filed Critical WALBRO AUTOMOTIVE GmbH
Priority to DE1995125222 priority Critical patent/DE19525222A1/en
Publication of DE19525222A1 publication Critical patent/DE19525222A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT 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
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT 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
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/03177—Fuel tanks made of non-metallic material, e.g. plastics, or of a combination of non-metallic and metallic material

Abstract

The procedure for the formation of surge plates from the walls of the preform and integrating this into the blowing process, is through mould elements being built into the blowing mould. The elements are rigid component parts of the blowing mould, and programmed to be movable in two axes, and are provided with a differential tempering.

Description

Kunststoffkraftstofftanks werden aufgrund ihrer Vorteile Gewicht, Korrosions­ beständigkeit, optimales Crashverhalten, Designfreiheit und optimaler ein­ stückigen Fertigungsmöglichkeit in immer größerem Maße eingesetzt. Es wird daher gefordert, daß in die im Extrusionsblasverfahren gefertigten KKB möglichst viele Funktionsdetails und Einbauten integral im Herstellprozeß ge­ fertigt werden.Plastic fuel tanks become weight, corrosion due to their advantages durability, optimal crash behavior, design freedom and optimal lumpy manufacturing facility used to an ever greater extent. It will therefore required that in the extrusion blow molding KKB as many functional details and internals ge as possible in the manufacturing process be manufactured.

So ist z. B. die Geräuschentwicklung oder auch bei größeren KKB die Fahr­ stabilitätsbeeinträchtigung des Fahrzeugs durch das Hin- und Herschwappen des Treibstoffes während des Fahren des Kraftfahrzeugs oft unzulässig oder belästigend.So z. B. the noise or even larger KKB the driving Impairment of stability of the vehicle by sloshing back and forth of fuel is often inadmissible or while driving the motor vehicle annoying.

Dies wird üblicherweise durch nachträgliches Einbringen von separat herg­ estellten Schwallwänden unterbunden oder abgeschwächt.This is usually done by adding separately set baffles prevented or weakened.

In einstückig geblasenen KKB ist dies oft nicht mehr möglich oder nur mit dem Aufwand von Zusatzoperationen wie Schweißen, Pressen etc. mit erhöhten Kosten und Zusatzgewicht zu erreichen.In one-piece blown KKB this is often no longer possible or only with the Effort of additional operations such as welding, pressing etc. with increased To achieve costs and additional weight.

Diese Nachteile werden erfindungsgemäß wie folgt vermieden:
Nach den üblichen Schritten des Extrusionsblasformverfahrens,According to the invention, these disadvantages are avoided as follows:
After the usual steps of the extrusion blow molding process,

  • - Bildung und Ausstoß des wanddickenprogrammierten Vorformlings (1) (Schlauch) zwischen zwei Formenhälften (2), Fig. 1.- Formation and ejection of the preform ( 1 ) (hose) between two mold halves ( 2 ), Fig. 1.
  • - Verschließen (3) und Vorblasen des Vorformlings, Fig. 2.- Close ( 3 ) and pre-blow the preform, Fig. 2.
  • - Schließen der Form und Aufblasen des von den Formen­ hälften aufgenommenen Vorformlings,- Close the mold and inflate the mold halves of preform taken up,

werden durch in die Blasformhälfte integrierte Formelemente (2a), s. Fig. 1 + 3, aus der Schlauchwandung die Schwallwände an den vorgesehenen Stellen gebildet, wobei die Lage sowie deren Formgestaltung frei gewählt werden und unabhängig von vorhandenen Tanköffnungen optimal positioniert werden kön­ nen. Dies ist von besonderer Bedeutung für sogenannte Satteltanks (siehe Ausführungsbeispiel nach Anspruch 5).are integrated into the blow mold half form elements ( 2 a), s. Fig. 1 + 3, formed from the hose wall, the baffles at the intended locations, the location and their design can be chosen freely and can be optimally positioned regardless of existing tank openings. This is of particular importance for so-called saddle tanks (see embodiment according to claim 5).

Die oft notwendige Variation der Blasform-Parameter werden dadurch flexibili­ siert, daß die die Schwallwand formenden Elemente getrennt steuerbar (4) und differentiell temperiert (5) ausgeführt werden können, s. Fig. 4. Sie können ferner als Entformungshilfen benutzt werden.The often necessary variation of the blow mold parameters are made more flexible by the fact that the elements forming the baffle can be separately controlled ( 4 ) and differentially tempered ( 5 ), see. Fig. 4. They can also be used as mold release aids.

Claims (5)

1. Verfahren zur im Blasprozeß integrierten Bildung von Schwallwänden aus der Wandung des Vorformlings durch in die Blasform eingebaute Formelemente.1. Process for the formation of baffles integrated in the blowing process from the wall of the preform by built into the blow mold Form elements. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Formele­ mente fester Bestandteil der Blasform sind.2. The method according to claim 1, characterized in that the formulas elements are an integral part of the blow mold. 3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Formele­ mente in 2 Achsen programmiert beweglich eingebaut sind.3. The method according to claim 1, characterized in that the formulas elements are programmed to move in 2 axes. 4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Formele­ mente mit einer Differentialtemperierung ausgestattet sind.4. The method according to claim 1, characterized in that the formulas elements are equipped with a differential temperature control. 5. Eine bevorzugte Ausführungsform nach Anspruch 1 sind wellenförmig ausgelegte Schwallwände, die die tankgeometriespezifische Flüssigkeitsbewegung und die Geräuschpegelentwicklung minimieren.5. A preferred embodiment according to claim 1 are wavy designed baffles that are specific to the tank geometry Minimize fluid movement and noise levels.
DE1995125222 1995-07-11 1995-07-11 Procedure for mfg fuel tanks with integrated surge plates - has mould elements built into blowing mould, and are rigid component parts of mould, and programmed to be movable in two axes Withdrawn DE19525222A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1995125222 DE19525222A1 (en) 1995-07-11 1995-07-11 Procedure for mfg fuel tanks with integrated surge plates - has mould elements built into blowing mould, and are rigid component parts of mould, and programmed to be movable in two axes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1995125222 DE19525222A1 (en) 1995-07-11 1995-07-11 Procedure for mfg fuel tanks with integrated surge plates - has mould elements built into blowing mould, and are rigid component parts of mould, and programmed to be movable in two axes

Publications (1)

Publication Number Publication Date
DE19525222A1 true DE19525222A1 (en) 1997-01-16

Family

ID=7766540

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1995125222 Withdrawn DE19525222A1 (en) 1995-07-11 1995-07-11 Procedure for mfg fuel tanks with integrated surge plates - has mould elements built into blowing mould, and are rigid component parts of mould, and programmed to be movable in two axes

Country Status (1)

Country Link
DE (1) DE19525222A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010023267A1 (en) * 2008-09-01 2010-03-04 Inergy Automotive Systems Research (Société Anonyme) Plastic fuel tank comprising a noise reduction baffle and process for manufacturing it
EP2155469B1 (en) 2007-05-10 2015-07-15 Inergy Automotive Systems Research (Société Anonyme) Process for manufacturing a fuel tank equipped with an internal accessory

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2155469B1 (en) 2007-05-10 2015-07-15 Inergy Automotive Systems Research (Société Anonyme) Process for manufacturing a fuel tank equipped with an internal accessory
WO2010023267A1 (en) * 2008-09-01 2010-03-04 Inergy Automotive Systems Research (Société Anonyme) Plastic fuel tank comprising a noise reduction baffle and process for manufacturing it
US9168830B2 (en) 2008-09-01 2015-10-27 Inergy Automotive Systems Research (Societe Anonyme) Plastic fuel tank comprising a noise reduction baffle and process for manufacturing it

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Legal Events

Date Code Title Description
ON Later submitted papers
8141 Disposal/no request for examination