Matches 1 - 7 out of 7


Match Document Document Title
US20050092169 Control device for a hydraulic lifting arrangement  
The invention concerns a control device for a hydraulic lifting arrangement with a drive in the form of a hydraulic motor, which has a first working connection and a second working connection, a...
US20130055886 DOUBLE CHECK VALVE FOR CONSTRUCTION EQUIPMENT  
An improved double check valve for a construction machine is provided, which can greatly reduce noise and hunting phenomenon by making check valves open and close within a predetermined time...
US20070227346 Method for controlling a crane actuator  
The invention relates to a method and an apparatus for controlling an actuator (7, 8) of a crane by control means (10) in a situation where the lifting power of the actuator (7, 8) of the crane is...
US20090001300 Directional control valve device and fluid pressure cylinder device  
An object is to provide a directional control valve device and a fluid pressure cylinder device using the same that can flow a large quantity of fluid without an additional hydraulic source even...
US20140290475 HYDRAULIC ACTUATION UNIT, PARTICULARLY FOR CONTROLLING THE STARTING AND STOPPING OF HYDRAULIC MOTORS  
A hydraulic actuation unit for controlling the starting and stopping of hydraulic motors includes a first main circuit and a second main circuit, a first recirculation circuit and a second...
US20150377259 CONSTRUCTION EQUIPMENT PRESSURE CONTROL VALVE  
A pressure control valve for a construction machine is disclosed, which prevents self-weight descent of a working device due to leakage of hydraulic fluid in a neutral position of the working...
US20150354172 HYDRAULIC FLUID ENERGY RECOVERY APPARATUS FOR WORK MACHINE  
The hydraulic fluid energy recovery apparatus includes a fluid communication line for holding a bottom-side hydraulic fluid chamber and a rod-side hydraulic fluid chamber of a hydraulic cylinder...
Matches 1 - 7 out of 7