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Patent Searching and Data


Title:
CONNECTION OF COMPONENTS, CARRYING HIGH-PRESSURE MEDIUM, OF AN INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
Document Type and Number:
WIPO Patent Application WO/2013/082640
Kind Code:
A3
Abstract:
The invention relates to a connection of components (1, 2), carrying high-pressure medium, of an injection device for internal combustion engines, comprising a first component (1) and a second component (2), the surfaces of which are hardened and which have sealing surfaces (4, 5) facing one another, wherein the sealing surfaces (4, 5) on the components facing one another interact with sealing surfaces on an intermediate piece (3) having a passage hole (7) arranged between the first and second components, said intermediate piece having a lower hardness than the sealing surfaces (4, 5) on the first and second components (1, 2), wherein one respective sealing surface of two sealing surfaces interacting with one another has a sealing edge (6).

Inventors:
GRASPEUNTNER, Christian (Wiestal-Landesstraße 31 c, Hallein, A-5400, AT)
STIPEK, Theodor (Dr.-Karl-Reisenbichler-Straße 17, Salzburg, A-5020, AT)
Application Number:
AT2012/000308
Publication Date:
October 03, 2013
Filing Date:
December 06, 2012
Export Citation:
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Assignee:
ROBERT BOSCH GMBH (Wernerstraße 51, Stuttgart-Feuerbach, 70469, DE)
International Classes:
F02M37/00; F02M55/00; F02M55/02; F02M61/16; F16L21/04; F16L25/12
Domestic Patent References:
WO2009033304A12009-03-19
Foreign References:
GB2323903A1998-10-07
DE19614980C11997-09-18
DE10143740A12003-04-03
DE102004053275A12006-05-11
DE102004032203A12006-01-26
EP1653076A12006-05-03
US20050144558A12005-06-30
Other References:
THOMAS AUF DEM BRINKE ET AL: "Plasmagestützte Oberflächenveredelung, Passage", 1 January 2006, PLASMAGESTÜTZTE OBERFLÄCHENVEREDELUNG : NITRIEREN, NITROCARBURIEREN UND OXIDIEREN VON STAHL-, GUSS- UND SINTERWERKSTOFFEN; [DIE BIBLIOTHEK DER TECHNIK ; BD. 285], VERLAG MODERNE INDUSTRIE, DE, PAGE(S) 1 - 71, ISBN: 978-3-937889-29-0, XP002679944
Attorney, Agent or Firm:
KESCHMANN, Marc (Haffner und Keschmann, Patentanwälte KGSchottengasse 3a, Wien, A-1014, AT)
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