Global Patent Index - EP 0854982 B1

EP 0854982 B1 2001-12-19 - VALVE SYSTEM

Title (en)

VALVE SYSTEM

Title (de)

VENTILSYSTEM

Title (fr)

SYSTEME DE SOUPAPES

Publication

EP 0854982 B1 (DE)

Application

EP 96945481 A

Priority

  • DE 9601909 W
  • DE 19537482 A

Abstract (en)

[origin: DE19537482A1] A central block is disclosed for a pilot controlled valve system with seat and piston valves. The central block has a preferably standardised connection interface (12), a pilot valve interface (13) for receiving a pilot valve (32), a pump conduit (P), a tank conduit (T), a first work conduit (A), a second work conduit (B), a first control conduit x and a second control conduit y, as well as four valve reception cavities (34, 36) for receiving each one valve unit (C1, C2, C3, C4). In order to create a central block which may be universally used with any number of hydraulic circuits and whose connections may be easily modified, the central block is composed of a middle block (2) to which are detachably secured two valve blocks (50, 60, 70, 80, 90, 100, 110, 120). The middle block (2) has two valve sides (6, 10) provided each with a valve block interface (22, 24) which receive each one valve block (50, 60, 70, 80, 90, 100, 110, 120). Each valve block (50, 60, 70, 80, 90, 100, 110, 120) has two valve receiving cavities (34, 36) and the control conduits x and y are arranged in such a way that each valve unit (C1, C2, C3, C4) may be driven by a pilot valve (32) mounted at the pilot valve interface (13).

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

F15B 13/00; F15B 13/042

IPC 8 full level (invention and additional information)

F16K 27/00 (2006.01); F15B 11/00 (2006.01); F15B 13/00 (2006.01); F15B 13/04 (2006.01); F15B 13/042 (2006.01); F15B 13/08 (2006.01)

CPC (invention and additional information)

F15B 11/006 (2013.01); F15B 13/0405 (2013.01); F15B 13/0814 (2013.01); F15B 13/0835 (2013.01); F15B 13/086 (2013.01); F15B 13/0889 (2013.01); F15B 2013/006 (2013.01); F15B 2211/30575 (2013.01); Y10T 137/87201 (2015.04); Y10T 137/87209 (2015.04); Y10T 137/87885 (2015.04)

Designated contracting state (EPC)

BE DE DK ES FI FR GB IT LU NL SE

EPO simple patent family

DE 19537482 A1 19970410; CA 2218727 A1 19970417; CA 2218727 C 20020402; CN 1092296 C 20021009; CN 1199449 A 19981118; CZ 297720 B6 20070314; CZ 9800736 A3 20000216; DK 0854982 T3 20020325; EP 0854982 A2 19980729; EP 0854982 B1 20011219; ES 2169277 T3 20020701; JP H11509303 A 19990817; SK 284489 B6 20050401; SK 33598 A3 19980708; US 5975134 A 19991102; WO 9713980 A2 19970417; WO 9713980 A3 19970703

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