| Document |
Document Title |
|
WO/1996/001375A1 |
The invention relates to a device (1) for accumulating or guiding a liquid under varying pressure, which comprises a container (2) connected to an inlet (4) and an outlet (5). The device (1) comprises at least one elastically compressibl...
|
|
WO/1995/034758A1 |
A pressure controller (10) forms part of a pressure circuit (20) comprising a pump (21) whose delivery is controlled by valve (22), first accumulator (23) and second accumulator (24) having associated therewith accumulator valve (25). Th...
|
|
WO/1995/020106A1 |
A hydraulic fluid reservoir (10) contains an extensible bladder (50) which has its exterior (54) exposed to the fluid and its interior (52) vented to the exterior of the reservoir. The interior (52) of the bladder (50) is sealed from the...
|
|
WO/1995/016549A1 |
A hydraulically operated rock drill which includes a cylinder (12), a piston (16), inside the cylinder, which includes an annular formation (26A) which moves into and out of a section (44) of reduced dimensions which is connected to an a...
|
|
WO/1995/016548A1 |
An accumulator (10) which includes a diaphragm (26), a first gas-charged chamber section (32) with the diaphragm (26) on a wall thereof, and which is characterised by a second gas-charged chamber (16) which is in communication with the f...
|
|
WO/1995/016154A1 |
An accumulator piston is formed as a two-piece plastic molding for simplifying its construction and for cost reduction and weigth reduction purposes. The piston has a radially stepped construction in which each step includes a radial fla...
|
|
WO/1995/014173A1 |
An independent, portable hydraulic unit (80) for powering a hydraulic tool (C), and a method for operating the tool (C) with the aid of the unit. The unit includes a hydraulic circuit (1) having a pump (19), and a power source (17) and a...
|
|
WO/1995/014175A1 |
Proposed is a method of cooling the hydraulic fluid in the working circuit of a construction machine, in particular a hydraulic excavator, and a device for carrying out the method. The hydraulic fluid returning at a high temperature from...
|
|
WO/1995/013114A1 |
A method for fighting fire, in which a drive unit comprising a number of hydraulic accumulators is utilized for delivering extinguishing liquid to a number of spray heads or sprinklers. The procedure for avoiding a premature waste of pro...
|
|
WO/1995/013043A1 |
A hydraulic system is proposed for the hydraulic operation of a height-adjustable ambulance lifting platform (H) for a stretcher which can also act as a suspension system. The system comprises a cylinder (Z) for operating the lifting pla...
|
|
WO/1995/007415A1 |
A device for generating high pressures in a hydraulic circuit transmits through a piston or membrane directly to a hydraulic medium a gas pressure generated by burning a granulated pyrotechnic substance or a pyrotechnic substance pressed...
|
|
WO/1995/005543A1 |
A low pressure accumulator assembly (22) for use with a fluid pump (20) comprises a pump housing (26) with a longitudinally extending chamber (32) having a base (30) with a fluid flow opening (24). An accumulator is secured in the pump h...
|
|
WO/1995/002769A1 |
An oil supply arrangement consists of a pressure accumulator (1) set into an oil container (2) and of a pump (5) which is also arranged in the oil container. The oil container (2) is secured to a device carrier (7) by a collar band (6). ...
|
|
WO/1994/025114A1 |
The invention relates to a drive unit, in particular for a fire fighting installation intended to operate with a high drive pressure, said unit comprising a number of hydraulic accumulators coupled in parallel. The objet of the invention...
|
|
WO/1994/024438A1 |
Method in a pressure medium system including a flow arrangement (1), which includes flow ways (1a, 1b, 1c) and at least two flow organs (4, 5) being arranged on the same transmission shaft (a), that are arranged at least on one side to j...
|
|
WO/1994/018459A1 |
The invention pertains to a hydraulic unit with a concave oil tank (10) that has a holding capacity for oil between an external outer wall (13) and an internal outer wall (14) and with a pump unit (11) comprising an electric motor (21) a...
|
|
WO/1994/016169A1 |
The invention relates to a prefabricated steel/concrete composite beam arranged to act together with concrete as a load-bearing composite structure for various slab assemblies and having two web portions (1) and horizontal projecting fla...
|
|
WO/1994/010618A1 |
A regulator for maintaining a constant partial vacuum in a region includes a path, through which fluid passes from the region to a vacuum source, and a piston (2) movably mounted at a constriction point (30). The piston has a frontal fac...
|
|
WO/1994/008808A1 |
The invention pertains to a hydropneumatic suspension system, in particular for motor vehicles, with at least one hydraulic shock-absorbing strut unit (2) which in its cushioning movements uses an hydraulic medium to impact at least one ...
|
|
WO/1994/008830A2 |
A compact hydraulic aggregate for drive slip-regulated braking systems has several hydraulic, mechanical and/or electrically actuated functional elements arranged on a reception body, such as accumulator, valve (1, 1'), pressure generato...
|
|
WO/1994/004898A1 |
An ultra-sound testing device for gas pressure accumulators is used to test a predeterminable set position that can be taken by a movable separating element (20) inside an accumulator (10) that can be filled with gas and connected to a f...
|
|
WO/1994/002334A2 |
A hydraulic drive and braking system for vehicles has at least one hydraulic machine (primary machine 71), preferably a pump, and at least another hydraulic machine (secondary machine 2), preferably an engine. Both hydraulic machines are...
|
|
WO/1994/002386A1 |
A cover for a sump assembly including a riser section (12) of generally tubular configuration comprising a top section (40) and a skirt section (46) depending from the outer periphery of the top section. The skirt section (46) being of a...
|
|
WO/1994/001680A1 |
The invention relates to a hydro-store with a storage casing (10) in which two partial chambers for media to be separated from each other are formed by a separating diaphragm. Because there is at least one other separating diaphragm (22,...
|
|
WO/1993/013321A1 |
The cross-sectional area of a turbulent flow of a continuous medium is gradually decreased along the path of the flow. The turbulent flow of the continuous medium is directed along a spiral trajectory (O-O). A device for laminarization o...
|
|
WO/1993/011363A1 |
A device for recovering energy, in particular potential energy in working machines, has a hydraulically actuatable working cylinder (3) linked to a hydropneumatic storage (4). At least another working cylinder (5) is provided, the workin...
|
|
WO/1993/008406A1 |
A regenerator for a fluid power system is arranged to control flow rates while converting pressure drops accompanying resulting changes in flow rates into useful work. A gang of displacers (36, 38) are incorporated into a fluid flow netw...
|
|
WO/1993/006374A1 |
A hydraulic accumulator has a partition (12) arranged in a housing (10) that divides inside the housing (10) a liquid chamber (14) from a gas chamber (16) and that is retained by means of a retaining member (30) linked to a connecting me...
|
|
WO/1992/022404A2 |
A liquid injector for treating timber comprises an accumulator having a first compartment (10) for liquid and a second compartment (12) separated from the first compartment by a wall (4) having therein gas-diffusable means (5; 30), the s...
|
|
WO/1992/021012A1 |
The invention concerns a method of measuring the pressure of a gas in a gas accumulator which can be connected up to a hydraulic-fluid circuit and in which the gas is separated from the fluid by a dividing element. When the dividing elem...
|
|
WO/1992/018799A1 |
A pulsation damper for a pumped liquid system has a housing (100) with two axially identical hollow halves (101) which, when joined at their flanges (109), form a substantially cylindrical cavity. Each housing half has a port on its long...
|
|
WO/1992/015799A1 |
Compensating spools (35, 55) for a negative type load which, without degrading the quality of the control, permit direct use of the fluid power energy of the negative type load acting on a cylinder (11) for control of a resistive or posi...
|
|
WO/1992/012350A1 |
The invention relates to a storage charging valve which, for the connection of an inlet P supplying a hydraulic system (10) to an outlet T when an adjustable upper charging pressure in the hydraulic system (10) has been reached and for s...
|
|
WO/1991/004420A1 |
The reservoir (10) has a cylinder (11) and a separating piston (13) arranged to slide therein. The piston separates a pressure medium storage chamber (15) from a gas chamber (14) in the cylinder (11). The separating piston (13) is sealed...
|
|
WO/1990/011451A1 |
The pressure-producing device (10) comprises a housing (30) which is slidable relative to a stationary piston (60), the housing (30) movable within a substantially blind bore (12) to effect the pressurization of fluid. A body (14) contai...
|
|
WO/1990/000693A1 |
For sealing between two opposed surfaces of two machine elements (1, 2) a combination seal is provided to be fitted into an open groove (3) in one of the machine elements (2). The seal comprises an elastomeric expansion ring (4, 5) at th...
|
|
WO/1989/008783A1 |
In mobile hydraulic systems there is used a fine-mesh net structure (7) in a reservoir (6) for extracting air from the hydraulic fluid. When the system is started-up under cold-start conditions, a high pressure drop will prevail across t...
|
|
WO/1989/003483A1 |
The present invention relates to a hydro-pneumatic accumulator of the float type, preferably for use to store energy in connection with a hydraulic system which is to receive and deliver, respectively, large quantities of working fluid d...
|
|
WO/1989/002993A1 |
The retainer assembly (10) comprises a longitudinally extending retainer body (12) having an enlarged diameter or head member (14) at one end and an arrow-shaped or flared member (16) at the other end. A V-shaped leaf spring (20) has an ...
|
|
WO/1989/000945A1 |
A marine hydraulic system for operation of a power steering assembly includes a pressure accumulator (20) to provide pressurized hydraulic fluid and valving (60) that permits the transfer of hydraulic fluid within the cylinder (14) to pr...
|
|
WO/1988/010373A1 |
The combination accumulator and variable volume sump (50) comprises a housing (52) having therein a stepped bore (56). A pair of U-shaped piston (60, 80) are disposed within the stepped bore (56), the first piston comprising an accumulat...
|
|
WO/1988/008096A1 |
Diaphragms (1, 4, 7, 15) are composed of a rubber-like elastic material (2, 5, 8, 16) and sheet-like members (3, 6, 9, 17) made up of metal foils or members impermeable to gas, such as a resin membrane etc. This diaphragm is used for suc...
|
|
WO/1988/005134A1 |
A piston storage device has a piston (13) with two collars (15, 16) separated by a central necked portion (14). A sealing means is arranged in both piston collars. The sealing means facing the gas chamber (18) is designed in such a manne...
|
|
WO/1988/003098A1 |
An arrangement for a hydraulically operated lifting arrangement, for example a so-called tail lift, comprising at least one cylinder/piston unit (8) for actuating a lifting platform. This is connected via a hand valve (7) to the pressure...
|
|
WO/1987/007685A1 |
The pressure vessel comprises an accumulator (10) having a piston (16) disposed in a bore (14). The piston (16) has gas under pressure on one side thereof maintained within the bore (14) by means of a multiple seal in an opening (26) hav...
|
|
WO/1987/006655A1 |
The pressure accumulator (10) comprises a cylindrical housing (12) having a bore (14) with a piston received slidably therein. The piston (30) has an H-shaped cross section and includes a reduced diameter portion (34) extending longitudi...
|
|
WO/1987/001161A1 |
A fluid-driven power plant (10) includes a motor (20) and a combustion energy input device combined in a closed, pressurized system. A balance cylinder (26) provides variable low pressure fluid storage within the system and also operates...
|
|
WO/1984/003127A1 |
A device in machines (1) which are driven by means of a hydraulic cylinder, such as hydraulic presses and the like, and which has at least one pump (5) for the hydraulic fluid which pump is driven by a driving machine (6) through an ener...
|
|
WO/1982/004290A1 |
An internal combustion driven fluid pumping apparatus for accumulating fluid pressure to be applied against a load includes a two-stroke combustion cylinder (15) having a piston (18) drivingly connected to a piston (21) of a linearly dis...
|
|
WO/1981/003309A1 |
A hydraulic circuit (10) has a fluid supply source (12) to a work element, such as a control valve (14) for a work implement, connected by a first fluid pathway (18). A second work element (16), such as a master cylinder reservoir of a b...
|
