Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384)
03/1993
03/03/1993EP0528987A1 Electromagnetically powered engine apparatus and method
03/02/1993US5189942 3-position actuator
03/02/1993US5189940 Method and apparatus for controlling an implement
02/1993
02/25/1993DE4127342A1 Hydraulisches system mit pumpe und verbraucher Hydraulic system with pump and consumer
02/24/1993EP0351402B1 Load responsive control system adapted to use of negative load pressure in operation of system controls
02/23/1993US5188147 Pressure compensating type hydraulic valve
02/23/1993US5188015 Automatically sequenced hydraulic cylinder mechanism
02/23/1993US5188014 Hydraulic cylinder with pressure transmission
02/23/1993US5187933 Variable displacement pump with hydraulic adjustment for controlling the delivery rate and/or the pressure with respect to at least two consumers
02/16/1993US5186000 Hydraulic drive system for construction machines
02/09/1993US5184699 Control device for forklift
02/09/1993US5184535 Speed control device for a pneumatic cylinder
02/04/1993DE4228846A1 Pneumatic pressure-transmitting actuator with fast- and power-stroke - has low- and high-pressure component of equal dia.
02/02/1993US5183071 Counterbalance valve
02/02/1993US5182909 Valve system for load-independent hydraulic control of a plurality of hydraulic consumers
02/02/1993US5182908 Control system for integrating a work attachment to a work vehicle
01/1993
01/27/1993EP0524875A1 Thrust reverser for an aircraft jet engine with hydraulic actuation system with integrated security device
01/21/1993WO1993001417A1 Hydraulic system with pump and load
01/19/1993US5179836 Hydraulic system for a differential piston type cylinder
01/13/1993EP0224478B1 Load sensing circuit of load responsive direction control valve
01/07/1993EP0337991B1 Load sensing circuit of load responsive direction control valve
01/07/1993EP0297106B1 Load sensing circuit and electrohydraulic control for load compensated directional control valve
01/07/1993DE4217405A1 Pneumatically-actuated telescopic cylinder position motor - which comprises main cylinder controlling two hollow pistons movable between seven thrust positions
12/1992
12/30/1992EP0520212A1 Speed controller
12/29/1992US5174329 Loading pressure compensation type logic valve
12/23/1992CN2125752U Fast servo self-suction hydraulic device
12/21/1992WO1993000515A1 Exhaust pressurizing circuit including flow amplification
12/21/1992CA2083136A1 Exhaust pressurizing circuit including flow amplification
12/16/1992EP0518345A1 Hydraulic control system for aircraft
12/15/1992US5170692 Hydraulic control system
12/15/1992US5170627 For use with machine systems in timed relation
12/15/1992US5170625 Control system for hydraulic pump
12/09/1992EP0516864A1 Hydraulic driving system and direction change-over valves
12/08/1992US5168973 Apparatus for controlling hydraulic pressure for clutch
12/08/1992US5168705 Hydraulic drive system
12/03/1992DE4117360A1 Compact sewing machine component positioner - has hollow cylinders in guide system for fine adjustment of piston positioning
12/02/1992EP0515692A1 Hydraulic circuit system
12/02/1992EP0515639A1 Hydraulic system.
12/02/1992EP0515608A1 Hydraulic system.
11/1992
11/25/1992EP0514748A1 Device for restricting the stroke of a hydraulic cylinder
11/24/1992US5165862 Loading machine equipped with a first and a second pump supplying pressure oil to at least one hydraulically driven working component, such as a hydraulic piston-cylinder device or hydraulic motor
11/24/1992US5165322 For effecting motion of objects through mechanical linkages
11/24/1992US5165320 Fluid-controlled servo-arrangement
11/24/1992US5165233 Charge pressure priority valve
11/19/1992EP0514224A1 Pneumatic servo brake booster
11/19/1992EP0513360A1 Hydraulic circuit system
11/19/1992EP0512983A1 Airflow control system pump and housing.
11/19/1992DE4115594A1 Proportional-druckregelventil Proportional pressure valve
11/17/1992US5163353 Energy saving and monitoring pneumatic control valve system
11/17/1992US5163352 Cylinder control unit
11/12/1992WO1992019871A1 A position indicator for a hydraulic type setting motor
11/12/1992WO1992019821A1 Hydraulic driving system in construction machine
11/11/1992EP0512690A1 Actuator control system for devices such as clutches
11/11/1992CN1019040B Multi-port self-regulating proportional pressure control valve
11/10/1992US5161575 Direction selector valve having load-sensing function
11/10/1992US5161449 Pneumatic actuator with hydraulic control
11/10/1992US5161373 Hydraulic control valve system
11/04/1992EP0511387A1 System for changing over running speed of hydraulic excavator
11/04/1992EP0511386A1 Device for changing over flow rate for attachment
11/03/1992US5159812 Circuitry for controlling control coils of servo devices in a hydraulic system
10/1992
10/27/1992US5158150 Hydraulic wheelchair
10/21/1992EP0509868A1 Pneumatic servomotor
10/21/1992EP0509616A2 Switching device for reciprocating pumps
10/15/1992DE4111500A1 Power output limiting method for hydrostatic machine - calculating permissible flow vol. for secondary unit to provide limitation of pivot angle
10/14/1992EP0508555A2 Switching device for reciprocating pumps
10/14/1992EP0508271A1 Slow starting valve
10/14/1992EP0478760A4 Torque wrench
10/14/1992CN2118854U Integrated control valve for multifunctional hydraulic belt roller
10/13/1992CA1308626C Hydraulic actuating unit, in particular for raising a load, such as a hospital bed
10/07/1992EP0507070A2 Combined pneumatic-hydraulic press head with high actuation speed
10/07/1992EP0506671A1 Pivoting actuator and a pop-up target incorporating same.
10/07/1992CN1018565B Stepless frequency-adjusting and cone valve controlled hydraulic shocking device
10/06/1992US5152312 Automatic shuttle valve
10/06/1992US5152211 In-line hydraulic dashpot
10/06/1992US5152143 Hydraulic drive system
10/06/1992US5152142 Negative load control and energy utilizing system
10/01/1992WO1992016754A1 Hydraulic circuit improved in operability in load sensing system
10/01/1992DE4110519A1 Hydraulic device for pressure control using two-stage valve - incorporates pressure difference valve reducing pressure rise speed so that pressure peaks caused by pressure excess vibration in hydraulic installation can be obviated
09/1992
09/30/1992EP0506158A2 Device for taking out and distributing ensilage material
09/30/1992EP0505977A1 Velocity control circuit for hydraulic drives, prefably for hydraulic cylinders
09/30/1992CN1064847A 液压升降机 Hydraulic lifts
09/29/1992US5150643 Reciprocating actuator
09/24/1992DE4108915A1 Hydraulic medium supply device for servo steering - has variable displacement pump for normal supply, and smaller volume constant pump
09/23/1992EP0504415A1 Control system of hydraulic pump
09/23/1992CN2116797U Closed oil-way hydraulic control device
09/23/1992CN2116796U Hydraulic lohg-rang control device
09/22/1992US5148929 Multi-coupling device for crane hydraulic lines
09/22/1992US5148676 Confluence valve circuit of a hydraulic excavator
09/17/1992DE4108220A1 Piston-cylinder device for point welding appts. - has displacement cylinder and pressure cylinders arranged axially in line with common piston movement
09/16/1992EP0503266A1 Hydraulic control device
09/16/1992CN2116114U Closed oil circuit hydraulic control equipment
09/16/1992CN1018253B Hydraulic impact tool
09/15/1992US5146747 Valve apparatus and hydraulic circuit system
09/09/1992EP0502411A2 Hydraulic system for controlling a loaddriven actuator
09/08/1992WO1992015799A1 Negative load control and energy utilizing system
09/08/1992US5144801 Electro-hydraulic actuator system
09/02/1992EP0501384A2 Combined pneumatic-hydraulic press with controlled stroke
09/02/1992EP0500982A1 Test device for applying mechanical loading to a specimen
09/02/1992EP0500730A1 Quick drop valve.
08/1992
08/26/1992EP0500503A1 Improvement to oil pressure operated actuator cylinder assemblies, having the piston forward/return strokes synchronized also under unbalanced loads