DE10336096A1 - Elastic element for enclosure of hydraulic coupler and/or actuator module of fuel injection valve, consists of a coil spring and an elastomer cover, with coil spring being tensioned between two connection parts - Google Patents
Elastic element for enclosure of hydraulic coupler and/or actuator module of fuel injection valve, consists of a coil spring and an elastomer cover, with coil spring being tensioned between two connection parts Download PDFInfo
- Publication number
- DE10336096A1 DE10336096A1 DE10336096A DE10336096A DE10336096A1 DE 10336096 A1 DE10336096 A1 DE 10336096A1 DE 10336096 A DE10336096 A DE 10336096A DE 10336096 A DE10336096 A DE 10336096A DE 10336096 A1 DE10336096 A1 DE 10336096A1
- Authority
- DE
- Germany
- Prior art keywords
- elastic element
- coil spring
- element according
- fuel injection
- spiral spring
- 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- Withdrawn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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J3/00—Diaphragms; Bellows; Bellows pistons
- F16J3/04—Bellows
- F16J3/048—Bellows with guiding or supporting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/004—Joints; Sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/36—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member connected by a diaphragm or bellow to the other member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
- F16L27/107—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve
- F16L27/11—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve the sleeve having the form of a bellows with multiple corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Die Erfindung geht aus von einem elastischen Element nach der Gattung des Hauptanspruchs.The The invention is based on an elastic element of the type of the main claim.
Elastische Elemente in Form von Faltenbälgen kommen in Ventilen in verschiedenen Baugruppen zur Anwendung. Beispielsweise werden piezoelektrische Aktoren von Brennstoffeinspritzventilen in Faltenbälgen gekapselt, um einerseits eine Abdichtung des empfindlichen Aktors gegen den aggressiven Brennstoff und andererseits eine Temperaturkompensation der Längenveränderungen der einzelnen Bauteile während des Betriebs des Brennstoffeinspritzventils zu ermöglichen. Auch hydraulische Koppler in Brennstoffeinspritzventilen werden mit Faltenbälgen versehen.elastic Elements in the form of bellows are used in valves in various assemblies. For example become piezoelectric actuators of fuel injection valves in bellows encapsulated, on the one hand a seal of the sensitive actuator against the aggressive fuel and on the other hand, a temperature compensation the length changes the individual components during allow the operation of the fuel injection valve. Also be hydraulic couplers in fuel injectors with bellows Mistake.
Beispielsweise
ist aus der
Nachteilig bei bekannten Faltenbälgen ist insbesondere, daß die gewöhnlich auftretenden gegenläufigen Belastungskomponenten Hub und Druck problematisch zu handhaben sind, da der Faltenbalg auf Druck beispielsweise durch vorbeiströmenden Brennstoff steif und auf Hub weich reagieren soll. Dies ist meist nicht gleichzeitig zu erreichen. Bei sehr kleinen Bauräumen, wie häufig in Brennstoffeinspritzventilen anzutreffen, ist die Herstellung besonders aufwendig und damit teuer.adversely in known bellows is in particular that the usually occurring opposing Load components Hub and pressure are problematic to handle, because the bellows on pressure, for example, by passing fuel stiff and soft on hub. This is usually not simultaneous to reach. For very small spaces, as common in fuel injectors encountered, the production is particularly complex and therefore expensive.
Vorteile der ErfindungAdvantages of invention
Das erfindungsgemäße elastische Element mit den kennzeichnenden Merkmalen des Hauptanspruchs hat demgegenüber den Vorteil, daß statt eines einstückigen wellrohrförmigen Faltenbalgs eine Kombination aus einer Spiralfeder und einer Elastomerhülle verwendet wird. Dies hat den Vorteil, daß die Elastomerhülle weich auf die axiale Hubbewegung und die Spiralfeder steif auf radialen Druck reagieren kann.The elastic according to the invention Element having the characterizing features of the main claim has In contrast, the advantage that instead a one-piece well tubular Bellows used a combination of a coil spring and an elastomer shell becomes. This has the advantage that the elastomer sleeve soft on the axial lifting movement and the spiral spring stiff on radial Pressure can react.
Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterentwicklungen des im Hauptanspruch angegebenen elastischen Elements möglich.By in the subclaims listed activities are advantageous developments of the specified in the main claim elastic element possible.
Vorteilhafterweise ist die Spiralfeder zwischen zwei Anschlußstücken eingespannt und leicht vorgespannt.advantageously, the coil spring is clamped between two connectors and slightly biased.
Von Vorteil ist außerdem, daß die Elastomerhülle mit den Anschlußstücken in einfacher Weise beispielsweise durch vulkanisieren verbunden ist.From Another advantage is that the elastomer sleeve with the fittings in simple manner, for example by vulcanization is connected.
Weiterhin ist von Vorteil, daß die Elastomerhülle je nach Richtung der radialen Druckbelastung innerhalb oder außerhalb der Spiralfeder angeordnet sein kann.Farther is an advantage that the elastomer sleeve depending on the direction of the radial pressure load inside or outside the coil spring can be arranged.
Außerdem kann das elastische Element vorteilhafterweise einstückig ausgebildet sein, dergestalt, daß die Spiralfeder oder auch die Spiralfeder und die Anschlußsstücke mit dem Elastomer umspritzt und dadurch einstückig ausgebildet sind.In addition, can the elastic element advantageously be integrally formed, in such a way, that the Spiral spring or the coil spring and the connecting pieces with the molded elastomer and thereby formed in one piece.
Zeichnungdrawing
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung vereinfacht dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen:One embodiment the invention is shown in simplified form in the drawing and in the following description explained. Show it:
Beschreibung des Ausführungsbeispielsdescription of the embodiment
Nachfolgend wird ein Ausführungsbeispiel der Erfindung unter Bezugnahme auf die Zeichnung beispielhaft beschrieben. Übereinstimmende Bauteile sind dabei in allen Figuren mit übereinstimmenden Bezugszeichen versehen.following is an embodiment of Invention described by way of example with reference to the drawings. Matching Components are in all figures with matching reference numerals Mistake.
Ein
in
Von
Nachteil ist bei dem in
Demgegenüber ist
das erfindungsgemäß ausgestaltete
elastische Element
Die
Elastomerhülle
Zwar
ist die Herstellung des elastischen Elements
Ebenso
ist denkbar, die Montage zu vereinfachen, indem die Spiralfeder
Die Erfindung ist nicht auf das dargestellte Ausführungsbeispiel beschränkt und z. B. auch zur Anbindung eines Brennstoffeinspritzventils an eine Brennstoffverteilerleitung geeignet. Insbesondere sind beliebige Kombinationen der verschiedenen Merkmale möglich.The Invention is not limited to the illustrated embodiment and z. B. also for connecting a fuel injection valve to a fuel distribution line suitable. In particular, any combinations of the various features possible.
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10336096A DE10336096A1 (en) | 2003-08-06 | 2003-08-06 | Elastic element for enclosure of hydraulic coupler and/or actuator module of fuel injection valve, consists of a coil spring and an elastomer cover, with coil spring being tensioned between two connection parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10336096A DE10336096A1 (en) | 2003-08-06 | 2003-08-06 | Elastic element for enclosure of hydraulic coupler and/or actuator module of fuel injection valve, consists of a coil spring and an elastomer cover, with coil spring being tensioned between two connection parts |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10336096A1 true DE10336096A1 (en) | 2005-03-03 |
Family
ID=34111981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10336096A Withdrawn DE10336096A1 (en) | 2003-08-06 | 2003-08-06 | Elastic element for enclosure of hydraulic coupler and/or actuator module of fuel injection valve, consists of a coil spring and an elastomer cover, with coil spring being tensioned between two connection parts |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10336096A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100384648C (en) * | 2005-06-30 | 2008-04-30 | 上海交通大学 | Elastic connecting device for air-cushion mixed vehicle |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1042425A (en) * | 1951-09-25 | 1953-11-02 | Elastic waterproofing membrane | |
DE2204240A1 (en) * | 1971-02-01 | 1972-08-17 | Moss T | Air hose |
DE2652064A1 (en) * | 1976-11-15 | 1978-05-24 | Sandor Suele | Motor vehicle braking system - has bellows connected to pedal operated hydraulic unit and acting against brake blocks |
US4648605A (en) * | 1980-10-14 | 1987-03-10 | Borg-Warner Corporation | Mechanical seal assembly |
DE4101860A1 (en) * | 1990-05-09 | 1991-11-14 | Tuchenhagen Otto Gmbh | Valve with flexible bellows seal attached to valve spindle - has member to prevent over extension of bellows |
WO1993021467A1 (en) * | 1992-04-09 | 1993-10-28 | Arrow Ab | Anticollapse means for flexible hoses |
-
2003
- 2003-08-06 DE DE10336096A patent/DE10336096A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1042425A (en) * | 1951-09-25 | 1953-11-02 | Elastic waterproofing membrane | |
DE2204240A1 (en) * | 1971-02-01 | 1972-08-17 | Moss T | Air hose |
DE2652064A1 (en) * | 1976-11-15 | 1978-05-24 | Sandor Suele | Motor vehicle braking system - has bellows connected to pedal operated hydraulic unit and acting against brake blocks |
US4648605A (en) * | 1980-10-14 | 1987-03-10 | Borg-Warner Corporation | Mechanical seal assembly |
DE4101860A1 (en) * | 1990-05-09 | 1991-11-14 | Tuchenhagen Otto Gmbh | Valve with flexible bellows seal attached to valve spindle - has member to prevent over extension of bellows |
WO1993021467A1 (en) * | 1992-04-09 | 1993-10-28 | Arrow Ab | Anticollapse means for flexible hoses |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100384648C (en) * | 2005-06-30 | 2008-04-30 | 上海交通大学 | Elastic connecting device for air-cushion mixed vehicle |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8120 | Willingness to grant licences paragraph 23 | ||
8110 | Request for examination paragraph 44 | ||
R016 | Response to examination communication | ||
R016 | Response to examination communication | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |