Global Patent Index - EP 2305969 A1

EP 2305969 A1 20110406 - Valve opening/closing timing control device

Title (en)

Valve opening/closing timing control device

Title (de)

Vorrichtung zur Steuerung der Ventilöffnungs-/Schließungszeit

Title (fr)

Dispositif de commande temporelle d'ouverture/fermeture de soupape

Publication

EP 2305969 A1 20110406 (EN)

Application

EP 10002825 A 20100317

Priority

JP 2009222386 A 20090928

Abstract (en)

A valve opening/closing timing control device includes: a driving side rotational member; a driven side rotational member; a retarded angle chamber and an advanced angle chamber; a lock mechanism; and a spiral spring providing a biasing force in a predetermined phase direction in a retarded angle region of a relative rotational phase of the driven side rotational member to the driving side rotational member from a most retarded angle phase to a predetermined phase, and not providing the biasing force to a most advanced angle phase from the predetermined phase.

IPC 8 full level

F01L 1/344 (2006.01)

CPC (source: EP US)

F01L 1/3442 (2013.01 - EP US); F01L 2001/34483 (2013.01 - EP US)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

Designated extension state (EPC)

AL BA ME RS

DOCDB simple family (publication)

EP 2305969 A1 20110406; EP 2305969 B1 20120620; CN 102032011 A 20110427; CN 102032011 B 20140129; JP 2011069316 A 20110407; JP 5516937 B2 20140611; US 2011073056 A1 20110331

DOCDB simple family (application)

EP 10002825 A 20100317; CN 201010139966 A 20100330; JP 2009222386 A 20090928; US 74974410 A 20100330