Global Patent Index - EP 1225345 B1

EP 1225345 B1 20040519 - Fluid actuated cylinder with gas spring

Title (en)

Fluid actuated cylinder with gas spring

Title (de)

Fluidischer Betätigungszylinder mit Gasfeder

Title (fr)

Vérin hydraulique avec ressort à gaz

Publication

EP 1225345 B1 20040519 (DE)

Application

EP 02450006 A 20020116

Priority

AT 932001 A 20010119

Abstract (en)

[origin: EP1225345A1] The hydraulic cylinder, with a gas spring, has a cylinder tube (1) which is extended over at least one of the sealing walls (8). A sliding piston rod and gas spring piston (6,11) is held at the extension, where an enclosed gas volume (12) is under pressure. A piston rod (6,13) passes through a sealing wall, in a sealed passage against the working zone (9), to act on the working piston (5). At least one bleed opening (14) links a zone (15) with the ambient environment, which lies between the gas volume and the sealing wall.

IPC 1-7

F15B 15/14; F15B 11/064; F15B 11/072

IPC 8 full level

F15B 11/036 (2006.01); F15B 11/064 (2006.01); F15B 11/072 (2006.01); F15B 15/14 (2006.01)

CPC (source: EP)

F15B 11/0365 (2013.01); F15B 11/064 (2013.01); F15B 11/072 (2013.01); F15B 15/1476 (2013.01); F15B 2211/625 (2013.01); F15B 2211/7053 (2013.01); F15B 2211/7716 (2013.01)

Designated contracting state (EPC)

DE FR IT SE

DOCDB simple family (publication)

EP 1225345 A1 20020724; EP 1225345 B1 20040519; AT 410357 B 20030425; AT A932001 A 20020815; DE 50200439 D1 20040624

DOCDB simple family (application)

EP 02450006 A 20020116; AT 932001 A 20010119; DE 50200439 T 20020116