WO2023194113 - A FUEL INJECTOR WITH ENHANCED LONG-TERM SEALING BEHAVIOUR
National phase entry:
Publication Number
WO/2023/194113
Publication Date
12.10.2023
International Application No.
PCT/EP2023/057459
International Filing Date
23.03.2023
Title **
[English]
A FUEL INJECTOR WITH ENHANCED LONG-TERM SEALING BEHAVIOUR
[French]
INJECTEUR DE CARBURANT À COMPORTEMENT D'ÉTANCHÉITÉ À LONG TERME AMÉLIORÉ
Applicants **
ROBERT BOSCH GMBH
Inventors
KILIC, Ugur
CAKIR, Rahman
SERT, Rahmi
AYDOGDU, Fethi Tugsan
ARCA, Miray Aydan
Priority Data
2022/005524
07.04.2022
TR
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
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| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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| Pages of Specification | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1882 | |
| EPO | Filing, Examination, Granting | 8131 | |
| Japan | Filing, Examination, Granting | 1944 | |
| South Korea | Filing, Examination, Granting | 1623 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
18,320
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
The present invention relates to a fuel injector (1) comprising a valve piece (2) with a valve seat area (20) provided with a diffusor opening (21); wherein the valve piece (2) includes a groove (23) around the diffusor opening (21), said groove (23) is substantially in the form of a side surface of a spherical belt arranged to circumferentially cover an outer surface of a spherical sealing member (30) when in a sealing position; and the groove (23) is obtained by coining that is applied onto the valve seat area (20) in an axial direction towards the diffusor opening (21). The present invention further proposes a method for obtaining such fuel injector (1).[French]
La présente invention concerne un injecteur de carburant (1) comprenant une pièce de soupape (2) avec une zone de siège de soupape (20) pourvue d'une ouverture de diffuseur (21) ; la pièce de soupape (2) comprenant une rainure (23) autour de l'ouverture de diffuseur (21), ladite rainure (23) étant sensiblement sous forme d'une surface latérale d'une courroie sphérique agencée pour recouvrir de manière circonférentielle une surface externe d'un élément d'étanchéité sphérique (30) lorsqu'elle est dans une position d'étanchéité ; et la rainure (23) est obtenue par frappe qui est appliquée sur la zone de siège de soupape (20) dans une direction axiale vers l'ouverture de diffuseur (21). La présente invention concerne en outre un procédé d'obtention d'un tel injecteur de carburant (1).