IGNITION COIL, SPARK PLUG, AND IGNITION ARRANGEMENT

Title:

IGNITION COIL, SPARK PLUG, AND IGNITION ARRANGEMENT

Document Type and Number:

WIPO Patent Application WO/2011/015427

Kind Code:

A3

Abstract:

The invention relates to an ignition coil comprising a high-voltage connection (9) and a spring (15) for electrically connecting the high-voltage connection (9) to a spark plug (3), wherein a contact segment (15.3) of the spring (15) aligned toward the spark plug (3) comprises a reduced outer circumference relative to an outer circumference of further segments (15.1, 15.2) of the spring (15). The invention further relates to a spark plug, comprising a contact region (30) for a contact to a spring (15) of an ignition coil (3), wherein the contact region (30) comprises a recess (31) enclosed by a closed, annular wall region (32) for receiving the contact segment (15.3) of the spring of the ignition coil. The invention further relates to an ignition arrangement having a spark plug and/or ignition coil according to the invention.

Inventors:

STEINBERGER WERNER (DE)

Application Number:

PCT/EP2010/059994

Publication Date:

October 20, 2011

Filing Date:

July 12, 2010

Export Citation:

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Assignee:

BOSCH GMBH ROBERT (DE)
STEINBERGER WERNER (DE)

International Classes:

F02P13/00; F02D19/08; H01F38/12; H01R13/00; H01T13/08

Domestic Patent References:

WO2008148765A1

2008-12-11

Foreign References:

US6668810B1	2003-12-30
DE10007545A1	2001-03-29
US5827079A	1998-10-27
FR79484E	1962-12-07
GB371892A	1932-04-29
EP0713006A1	1996-05-22
US2266614A	1941-12-16
US2365219A	1944-12-19
US2321782A	1943-06-15
EP0478411A1	1992-04-01
US5487676A	1996-01-30

Other References: