EP 2118486 B1 20150722 - HYDRAULIC UNIT FOR A HYDRAULIC POWER SCREWDRIVER
Title (en)
HYDRAULIC UNIT FOR A HYDRAULIC POWER SCREWDRIVER
Title (de)
HYDRAULIKAGGREGAT FÜR HYDRAULISCHE KRAFTSCHRAUBER
Title (fr)
GROUPE HYDRAULIQUE POUR VISSEUSE HYDRAULIQUE
Publication
Application
Priority
- EP 2008050877 W 20080125
- DE 202007001537 U 20070202
Abstract (en)
[origin: WO2008092808A1] The invention relates to an hydraulic aggregate comprising a reservoir (11) for hydraulic oil in a container (10). A pump (15) driven by a motor (18) is arranged in the reservoir (11). The motor (18) is a pneumatic motor. An electric control device (30) for controlling a main valve (23) is mounted on the container (10). The main valve causes the inversion of the stroke direction of the hydraulic connections (13, 14). The division into pneumatics and low power electronics leads to an explosion-proof embodiment of low weight and little technical complexity.
IPC 8 full level
F04B 9/12 (2006.01); B25B 23/145 (2006.01); F04B 23/02 (2006.01)
CPC (source: EP US)
F04B 9/12 (2013.01 - EP US); F04B 23/021 (2013.01 - EP US)
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 MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 202007001537 U1 20080619; EP 2118486 A1 20091118; EP 2118486 B1 20150722; JP 2010518326 A 20100527; JP 5346817 B2 20131120; US 2010170689 A1 20100708; US 8347980 B2 20130108; WO 2008092808 A1 20080807
DOCDB simple family (application)
DE 202007001537 U 20070202; EP 08708205 A 20080125; EP 2008050877 W 20080125; JP 2009547647 A 20080125; US 52544408 A 20080125