Global Patent Index - EP 1078148 A1

EP 1078148 A1 2001-02-28 - DEVICE FOR ADJUSTING THE PHASE POSITION OF A SHAFT

Title (en)

DEVICE FOR ADJUSTING THE PHASE POSITION OF A SHAFT

Title (de)

VERSTELLVORRICHTUNG ZUM VERSTELLEN DER PHASENLAGE EINER WELLE

Title (fr)

DISPOSITIF POUR LE REGLAGE DE LA POSITION DE PHASE D'UN ARBRE

Publication

EP 1078148 A1 (DE)

Application

EP 98929296 A

Priority

EP 9802759 W

Abstract (en)

[origin: WO9958821A1] The device (1) for adjusting the phase position of a shaft, especially a camshaft (2) that can be rotated by a drive shaft, more particularly a crankshaft, by means of a transmission device with at least one transmission wheel (6'), is configured as a rotary piston machine according to the orbit principle. The inventive device adjusts the rotary position of the transmission wheel (6') in relation to the shaft. The rotary piston machine comprises a stator (5) with inner teeth (5a), an annular rotary piston (4) with outer teeth (4a) that engage with the inner teeth (5a) of the stator, a driven part (3) that can be rotated by means of the rotary piston (4) and a valve device (8-12). In order to control the movement of the rotary piston, the valve device (8-12) enables rotating partial areas of the working area (7) between the stator (5) and the rotary piston (4) to be joined to a fluid supply device at high or low pressure. The fluid supply device comprises a control mechanism, a phase position detector and at least one control valve. It enables a theoretical phase position to be adjusted by actuating the valve in a corresponding manner. Fluidic connection to the adjustment device occurs by means of two angular rotational connections (14a, 14b).

IPC 1-7 (main, further and additional classification)

F01L 1/34; F01L 1/344; F01L 1/352

IPC 8 full level (invention and additional information)

F01L 1/34 (2006.01); F01L 1/344 (2006.01); F01L 1/352 (2006.01); F03C 2/22 (2006.01)

CPC (invention and additional information)

F01L 1/34 (2013.01); F01L 1/344 (2013.01); F01L 1/352 (2013.01)

Citation (search report)

See references of WO 9958821A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

EPO simple patent family

WO 9958821 A1 19991118; AT 240452 T 20030515; AU 7911398 A 19991129; BR 9815968 A 20011023; CA 2330144 A1 19991118; CN 1292845 A 20010425; DE 59808397 D1 20030618; EP 1078148 A1 20010228; EP 1078148 B1 20030514; HU 0101674 A2 20010828; HU 0101674 A3 20020128; JP 2002514705 A 20020521; SK 16982000 A3 20010409; US 6386165 B1 20020514

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