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Patent Searching and Data


Matches 551 - 600 out of 7,915

Document Document Title
WO/2008/128830A1
The invention discloses a hydraulic/electric transducer having a pump driven by natural forces, via which a hydraulic accumulator is charged and a hydraulic motor is driven. The latter drives a generator for converting the hydraulic ener...  
WO/2008/119587A1
The present invention relates to a hydropneumatic storage tank comprising a first space (2) and a second space (3) which are disposed in a housing (5), a separating element (4) which separates the first space (2) from the second space (3...  
WO/2008/118086A1
A unit (1 ) for accumulating and degassing oil in an oil system comprising a reservoir (2) provided with a first chamber (3) in which the oil is subjected to atmospheric pressure and in which the oil volume is allowed to vary, a second c...  
WO/2008/114109A1
The hydraulic apparatus (1) comprises: pumping means (2) for pumping a fluid at a f first pressure (P1); user means (3) of said fluid at said first pressure (P1); emergency supply means (9, 109) connectabl e to said user means (3) activa...  
WO/2008/110662A1
An attenuator (7) for damping pressure fluctuations in a hydraulic system, which attenuator comprises a body (8) with a chamber (9), in which a movable piston (10) loaded by a spring (11 ) is adapted, a fluid space (17) inside the chambe...  
WO/2008/042308A3
A fail-safe system for a hybrid vehicle employing an over-center variable-displacement hydraulic motor includes an actuator configured to stroke the motor to a zero angle if each of two control ports is supplied with fluid at an equal pr...  
WO/2008/106923A2
The invention relates to a hydraulic system, comprising a pump for delivering a hydraulic fluid from a suction side to a pressure side, wherein an accumulator is disposed on the pressure side, wherein a hydraulic control valve is dispose...  
WO/2008/089908A1
The invention relates to a structural component in the form of a parting element (10) which extends in two different main directions (12,13), is of at least single-layer design and is elastically flexible, which parting element (10) has ...  
WO/2008/089812A1
In a pressure tank, in particular hydraulic accumulator (3, 5), having a parting element (1), which parting element (1) separates a space (11) for a first, in particular gaseous, working medium from a space for a second working medium, i...  
WO/2008/042307A3
A fluid power system includes a hydraulic machine. A pilot-controlled supply valve controls high-pressure fluid to the machine. The valve is coupled between the hydraulic machine and a high-pressure fluid source, and includes a control p...  
WO/2008/075134A1
A hydraulic traction system for vehicles is described. The system comprises a hydraulic vane motor mounted at each wheel of the vehicle, and equal number of identical hydraulic vane motors operated as engine driven pumps, and a control s...  
WO/2006/134324A3
A hydraulically driven elevator or lift is provided with counterbalance means to at least partly counterbalance the load imposed by the load carrier or lift car. Operation of the counterbalance means, which includes a source of hydraulic...  
WO/2008/065888A1
Intended is to provide an accumulator water injection tank having a flow damper, which can establish an intense vortex at a low flow rate in a vortex chamber, thereby to establish a high flow resistance. In the flow damper (24) of the ac...  
WO/2008/066484A1
An apparatus for degassing oil comprising :- a room (30) for receiving oil comprising a first chamber (30a) and a second chamber (30b) connected to the first chamber; - an inlet (31 ) feeding oil into the first chamber; - an outlet (32) ...  
WO/2008/065889A1
A pressure-accumulating water-charging tank having a flow damper that can be controlled, without requiring a large amount of labor hours and costs, so that a swirl is not formed in a swirl chamber in large flowrate operation. The flow da...  
WO/2008/056182A1
An underwater apparatus for operating underwater equipment, the underwater apparatus comprising a body (102), a fluid chamber (160) within the body (102) for selectively containing power fluid, a piston assembly (130,112,120) movably dis...  
WO/2008/056014A1
The invention relates to a liquid pressure converter for use in pumping systems without any external energy input. The system is based on pressure accumulators consisting of devices having an inlet tube and an outlet tube, in which a pre...  
WO/2008/044522A1
A reservoir operating in a highly reliable manner by using a simple structure. The reservoir (13) has a cylinder (23) and a cover member (24). The cover member (24) is provided at the bottom of the cylinder (23) and is formed so that a p...  
WO/2008/045468A1
An accumulator system (20) is configured to store energy and includes an accumulator (72) having a liquid chamber coupled to a liquid port (110) and an air chamber coupled to an air port (74). The liquid chamber and the air chamber are s...  
WO/2008/042307A2
A fluid power system includes a hydraulic machine. A pilot-controlled supply valve controls high-pressure fluid to the machine. The valve is coupled between the hydraulic machine and a high-pressure fluid source, and includes a control p...  
WO/2008/042308A2
A fail-safe system for a hybrid vehicle employing an over-center variable-displacement hydraulic motor includes an actuator configured to stroke the motor to a zero angle if each of two control ports is supplied with fluid at an equal pr...  
WO/2008/039158A1
Hydraulic assembly for controlling and driven of small hydraulic units, especially clutch and brake cylinders (551, 552) of a forestry winch (99), comprises at least a reservoir (510) for hydraulic media, a pump (500) for producing a req...  
WO/2008/036019A1
A hydraulic impact device comprises a housing (10) with a cylinder (11) and a hammer piston (13) guided in the cylinder (11) and reciprocated by a hydraulic control system including a directional valve (18) and a pressure accumulator (19...  
WO/2008/034333A1
A fluid tank is provided for a mobile machine. The fluid tank may have a first enclosed vessel and a second enclosed vessel. The second enclosed vessel may be joined to the first enclosed vessel such that a third enclosed vessel is creat...  
WO/2008/012558A3
A variable transmission comprises a first fluid working machine (1) for connection to a prime mover (2), a second fluid working machine (5) for connection to a mechanical load (6) and a fluid system linking the first and second working m...  
WO/2008/025334A2
The invention relates to a domestic energy supply system (1), wherein the thermal energy of the temperature difference between at least one heat source (2, 3, 4) and at least one heat sink (5, 6, 7) is converted into work by means of a t...  
WO/2008/017447A1
The invention relates to a hydraulic system for adjusting a vehicle folding roof, in particular cabriolet canopy, to a vehicle folding roof with a hydraulic system of said type and to a method for adjusting the vehicle folding roof. The ...  
WO/2008/012558A2
A variable transmission comprises a first fluid working machine (1) for connection to a prime mover (2), a second fluid working machine (5) for connection to a mechanical load (6) and a fluid system linking the first and second working m...  
WO/2005/047082A3
A secondary reservoir (210) for apower steering system includes a container (205) having an inside volume configured to hold a fluid, a cover (290) attached to the container, a float (230) assuming a height within the container indicativ...  
WO/2007/145681A2
An inflation needle for inflating an object such as a sports ball includes a tubular body having an attachment end configured for engagement with a fluid supply. The body fairs into a tubular probe extending along a longitudinal axis fro...  
WO/2003/016722A3
The invention relates to a pressure accumulator for liquid and/or gaseous media, comprising a bellows arranged inside the housing, said bellows having expandable lamellae arranged in a multilayered manner between the lid and the bottom o...  
WO/2007/141092A1
The invention relates to a hydraulic vehicle brake system (10) having a service brake which can be actuated by muscle force and having a device for regulating the wheel slip. It is proposed according to the invention, in a vehicle brake ...  
WO2006056256A8
The invention relates to a hydraulic unit (2) for providing a pressurized hydraulic fluid at an outlet (36, 36A, B), which comprises an electric motor (14) and a pump (16) operated by said motor for generating pressure. A reservoir (5) h...  
WO/2007/137548A1
The invention relates to a flow element for a hydraulic system which comprises a master cylinder and a slave cylinder and a pressure line interconnecting the same. The flow element comprises a pressure relief valve and a damping filter i...  
WO/2007/134440A1
Uattended pneumatic device to activate a tool such as a clipper operated by the displacement of an operator in opposite operating directions. The device is made of a rigid body – such as a pole - fitted with a tool at one end and a por...  
WO/2007/124882A1
The invention relates to a hydraulic fluid reservoir (30) with a high-pressure chamber (32) and a low-pressure chamber (33), wherein the high-pressure chamber (32) equipped with a compensation volume (36) is located in the low-pressure c...  
WO/2007/119328A1
A liquid tank (1) is provided with a tank main body (10) for storing liquid, and a bubble removing apparatus (40) arranged in the tank main body (10) for removing bubbles included in the liquid. The tank main body (10) is provided with a...  
WO/2007/118500A1
Described is a device (5) for storing hydraulic fluid of a hydraulic system (19) of a transmission device (3) having at least one storage space (9) which is delimited by a housing device (7) and a delimiting device (8) and can be operati...  
WO/2007/090825A3
Piston device for converting a flow of fluid into a movement, and vice versa, comprising a rigid hollow body (4) having walls (5, 6) which define an inner housing (9) and at least one rigid piston (1) engaged in said inner housing so as ...  
WO/2007/112775A1
A hydraulic accumulator with an accumulator housing (1), in the interior of which a metal bellows (3) is arranged, the metal bellows having a plurality of membrane discs (17, 19), the edges of which are alternately connected to one anoth...  
WO/2007/104592A1
An accumulator (100) for a hydraulic system, wherein the accumulator (100) comprises a liner (110), a piston (140) and a housing (200), that defines a pressure chamber (PC), for receiving hydraulic fluid at high pressure, wherein the pis...  
WO/2007/101467A1
The invention relates to a method of controlling a hydrostatic drive (1). The hydrostatic drive (1) comprises a hydraulic pump (3) and a hydraulic motor (7). Furthermore, the hydrostatic drive (1) comprises a first and a second hydraulic...  
WO/2007/098795A1
A pressure accumulator, in particular a pulsation damper, having an accumulator housing (1) which defines a longitudinal axis (3) and has an inflow opening (15) and an outflow opening (17) for a fluid, wherein two working spaces, in part...  
WO/2007/090825A2
Piston device for converting a flow of fluid into a movement, and vice versa, comprising a rigid hollow body (4) having walls (5, 6) which define an inner housing (9) and at least one rigid piston (1) engaged in said inner housing so as ...  
WO/2007/083471A1
A metal bellows accumulator having a metal bellows that is fixed at one end in a shell and joined at the other end to a bellows cap, thereby partitioning the inside of the shell into an outer gas chamber and an inner liquid chamber. Even...  
WO/2007/080673A1
A metallic bellows type accumulator that is structured so as to, at the time of zero-down of accumulator, realize valve body compression and sealing, thereby inhibiting the occurrence of burr/sagging and enhancing the closing capability ...  
WO/2007/079935A1
The invention relates to a hydrostatic drive. The hydrostatic drive (1) comprises a hydraulic pump (3) and a hydraulic motor (7). The hydraulic pump (3) can be connected by means of a first working line (5) to a first working line connec...  
WO/2007/071362A1
The invention relates to a vehicle having a drive engine/motor (2) for driving a locomotive drive (6) and for operating at least one hydraulic working circuit (4). The vehicle has a hydraulic accumulator (11) which is connected to a hydr...  
WO/2007/069887A1
The invention relates to a device for damping discharge pulsations in a medium being pumped through a system of pipes in a pulsating manner by a displacement pump that operates with a specific discharge characteristic, which device at le...  
WO2006048976A9
A hydraulic tank enabling stable deforming and reduced in size by reducing its capacity. The hydraulic tank comprises a tank body (1) formed of a box-like body and having return ports (17a, 17b) and suction ports (18a, 18b) formed therei...  

Matches 551 - 600 out of 7,915