Patents
Patents for F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass (10,959)
06/1995
06/08/1995WO1995015269A1 Hydraulic circuit
06/07/1995EP0656274A1 Hydraulic circuit
06/06/1995US5421155 Hydraulic drive system for hydraulic working machines
05/1995
05/30/1995US5419411 Energy conservation type hydraulic elevator and speed control method of hydraulic elevator
05/26/1995WO1995014175A1 Method of cooling the hydraulic fluid in the working circuit of a construction machine, in particular a hydraulic excavator
05/26/1995WO1995014174A1 A device for double-acting hydraulic systems
05/24/1995EP0602062B1 Process for separating gaseous components from pourable media and device and installation therefor
05/24/1995DE4415054C1 Control for hydraulic drive
05/24/1995CN2198433Y 风力冷却器 Wind cooler
05/18/1995WO1995013043A1 Hydraulic system for the hydraulic operation of an ambulance lifting platform
05/18/1995DE4415055C1 Hydraulic drive control
05/17/1995EP0652845A1 Procedure for operating an elevator and elevator machinery
05/16/1995US5415076 Hydraulic system having a combined meter-out and regeneration valve assembly
05/04/1995DE4336918A1 Pressure-medium-operated working cylinder
05/02/1995US5410881 Universal one man brake bleeding apparatus
04/1995
04/27/1995DE4336284A1 Clamping device for a body which is supported displaceably, axially and/or rotatably, in a housing
04/27/1995DE4336283A1 Valve for flowing media
04/26/1995EP0649988A1 Driving controller of hydraulic machine
04/20/1995DE4334980A1 Input-output element for hydraulic applications
04/19/1995EP0648940A1 Multiple subbase for air distribution to pneumatic valves
04/13/1995DE4333706C1 Hydraulic lifting appliance for battery-operated industrial trucks
04/05/1995EP0646724A1 Method and apparatus for controlling hydraulic systems of construction equipment
03/1995
03/30/1995WO1995008677A1 Multi-variable control of multi-degree of freedom linkages
03/29/1995EP0515608B1 Hydraulic system
03/08/1995EP0641899A1 Pressure relief vent for a waste holding tank
03/08/1995EP0515639B1 Hydraulic system
03/07/1995US5394697 Hydraulic drive system
03/07/1995US5394696 Hydraulic system
03/02/1995DE4328906A1 Hydrostatic actuator
02/1995
02/23/1995DE4327651A1 Control module for an adjustable hydraulic machine
02/21/1995US5390586 Self-bleeding hydraulic cylinder
02/09/1995DE4326580A1 Arrangement for the degassing of a hydraulic system
02/01/1995EP0533674B1 Electrohydraulic control apparatus and method
01/1995
01/31/1995US5385689 Inert support containing active scavenging species formed by depositing sodium, potassium, rubidium and/or cesium or their alloys and pyrolyzing
01/26/1995DE4324464A1 Hydraulic lifting apparatus for battery-operated industrial trucks
01/24/1995US5383689 Separable connector for pressure fluid components
01/24/1995US5383390 Multi-variable control of multi-degree of freedom linkages
01/19/1995WO1995002149A1 Separable connector for pressure fluid components
01/19/1995DE4342252A1 Method of controlling the operation of an excavator performing repetitive work
01/17/1995US5381828 Slow starting valve
01/12/1995WO1995001550A1 Contactless inner coating measuring device and method for cast iron pipes
01/12/1995WO1995001409A1 Process and composition for purifying semiconductor process gases to remove lewis acid and oxidant impurities therefrom
01/12/1995WO1994025770A3 Power sensing regenerator
01/12/1995DE4322355A1 SHR/EHR system for lifting mechanisms
01/11/1995EP0633080A2 Continuous casting mould for casting thin slabs
01/10/1995CA2127639A1 Continuous casting mold for the casting of thin slabs
01/05/1995DE4400487A1 Pump support having an integrated oil cooler
01/03/1995US5377721 Control apparatus for electroviscous fluid
12/1994
12/28/1994EP0630494A1 Control system for glassware forming machine.
12/21/1994EP0629783A1 Combined control of pneumatic and hydraulic valves
12/13/1994US5372392 Connecting devices
12/08/1994WO1994028318A1 Microvalve
12/08/1994WO1994028317A1 Method of preventing cavitation in an axial piston pump during an aiding load and system and valve employing the same
12/08/1994WO1994028316A1 Method and apparatus in a fluid-operating system
12/08/1994WO1994027905A1 Procedure for operating an elevator and elevator machinery
12/08/1994WO1994027864A1 Hydraulic systems for winches
12/08/1994CA2163247A1 Method and apparatus in a fluid-operating system
12/06/1994CA2032108C Fluid pressure-responsive unit
12/01/1994DE4418450A1 Microvalve
12/01/1994DE4342455A1 Hierarchical control system for an excavator
11/1994
11/30/1994EP0626628A1 Control system for a hydraulic drive
11/24/1994WO1994027201A1 Control for a hydraulic drive
11/24/1994WO1994027052A1 Driving controller of hydraulic machine
11/23/1994EP0625246A1 Pressure transformer
11/17/1994EP0624832A2 Electronic control system for modular structured valve station
11/17/1994EP0624831A2 Controlsystem to be used in cooperation with fluid actuated systems
11/15/1994US5363742 Air over oil intensifier
11/15/1994US5363650 Hydraulic cylinder assembly for use in variable external pressure environments
11/15/1994US5363510 Pressure relief vent for a waste holding tank
11/10/1994WO1994025770A2 Power sensing regenerator
11/10/1994DE4415784A1 Vent plug
10/1994
10/31/1994CA2122552A1 Poppet configuration for counterbalance valve
10/27/1994WO1994024438A1 Method and apparatus in a pressure medium system
10/27/1994DE4312729A1 Valve station
10/26/1994EP0621407A1 Valve assembly
10/26/1994CN1026349C Miniature hydraulic oil temperature controller for machines
10/20/1994DE4312283A1 Control system for a hydraulic high-performance actuator
10/19/1994EP0620377A1 Solenoid operated hydraulic valve
10/18/1994US5355939 Hydraulically driven vehicular air conditioning system with valve cleaning feature
10/18/1994US5355676 Hydraulic pressure supply apparatus
10/13/1994WO1994023213A1 Controller for hydraulic drive machine
10/12/1994CN2179484Y Self-exciting regulating hydraulic pulse valve
10/11/1994US5353839 Magnetorheological valve and devices incorporating magnetorheological elements
10/06/1994DE4410976A1 Drive control arrangement for a fluidic-medium actuating unit
10/04/1994US5352095 Method for controlling hydraulic pump driven by engine
09/1994
09/30/1994CA2120083A1 Remote hydraulic control systems
09/29/1994DE4309901A1 Hydraulic actuator - especially for a motor vehicle friction clutch
09/29/1994DE4309665A1 Actuator for slow movements
09/29/1994DE4309444A1 Pressure transformer
09/28/1994EP0616969A1 Hydraulically driven elevator
09/27/1994CA2120049A1 Hydraulically driven elevator
09/27/1994CA2101099A1 Fluid distribution device
09/21/1994EP0615583A1 Energy recovering device
09/20/1994US5349142 Energy conservation type hydraulic elevator and speed control method of hydraulic elevator
09/15/1994WO1994020761A1 Hydraulic system
09/07/1994EP0614016A1 Hydraulic drive unit of hydraulic working machine
09/01/1994DE4314813C1 Hydraulic circuit
09/01/1994DE4305928A1 Device and method for cooling liquid and gaseous media by means of air
08/1994
08/31/1994EP0612549A2 Oil filter for purifying lubricating oil
08/30/1994US5341837 Two line pilot valve