Global Patent Index - EP 1070856 A1

EP 1070856 A1 2001-01-24 - Piston position indicator

Title (en)

Piston position indicator

Title (de)

Vorrichtung zur Erfassung der Lage eines Kolbens

Title (fr)

Dispositive de détection de la position d'un piston

Publication

EP 1070856 A1 (DE)

Application

EP 00114195 A

Priority

DE 19933073 A

Abstract (en)

The detection device includes a sensor device which has a fixed sensor element outside the region of the fluid and a movable sensor element inside this region. The movement of the measuring rod (13), which has a thread (14) in its longitudinal direction, is turned forcibly through an angle which is detected without contact by the fixed sensor element.

Abstract (de)

Vorrichtung zur Erfassung der Lage eines Kolbens in einem Zylinder, insbesondere einem Druckmittelzylinder, mit einer eine Bohrung aufweisenden Kolbenstange, in der eine Meßstange angeordnet ist, und mit einer ein feststehendes Sensorelement aufweisende Sensoreinrichtung, wobei die Sensoreinrichtung ein feststehendes Sensorelement auserhalb des Druckmittelbereichs und ein bewegliches Sensorelement innerhalb des Druckmittelbereichs aufweist, wobei die Bewegung der Meßstange (13), welche in Längsrichtung derselben eine Verwindung (14) aufweist, so daß in Abhängigkeit von der Längsbewegung der Kolbenstange (9) die Meßstange (13) um einen Drehwinkel zwangsgeführt ist, berührungslos von dem feststehenden Sensorelement erfaßt wird. <IMAGE>

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

F15B 15/28

IPC 8 full level (invention and additional information)

F15B 15/28 (2006.01)

CPC (invention and additional information)

F15B 15/2823 (2013.01)

Citation (search report)

Designated contracting state (EPC)

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

EPO simple patent family

EP 1070856 A1 20010124; EP 1070856 B1 20050601; AT 296964 T 20050615; DE 19933073 A1 20010125; DE 50010436 D1 20050707; DK 1070856 T3 20051003

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