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Patent Searching and Data


Matches 451 - 500 out of 6,605

Document Document Title
WO/2000/056138A1
The application discloses a device for a container which includes a casing (1) which defines an inner space (2) and an outlet space (3), which extends from the inner space and is connectable to a vacuum source in order to reduce the pres...  
WO/2000/053960A1
An over filling interdiction and roll over valve (10) comprising a housing (12) defining a confined space (18) formed with fluid inlets (20), a fluid outlet port (22) at a top end of the confined space, and a valve seating (24) bounding ...  
WO/2000/052368A1
A tank vent control system includes a valve container (28) adapted to be mounted in a vehicle fuel tank (14) and formed to include an interior chamber (52), a chamber inlet (61), a chamber outlet (58), and a valve (46) positioned to move...  
WO/2000/046454A1
The invention relates to a valve for admitting atmospheric air into the waste pipe system in response to a pressure reduction in the system in order to protect the water traps in the system and to prevent discharge of contaminated air fr...  
WO/2000/044640A1
A system is provided for contamination free delivery and control of a flowable medium contained in an enclosed flow path or a container. The device enables a flowable material to be formulated without anti-oxidants, preservatives or anti...  
WO/2000/040881A1
A pressure (1) release valve is disclosed ideally for use on petrol tankers which can rollover in an accident. There is a requirement for such valves both to become sealed in the event of a rollover to prevent the escape of volatile and ...  
WO/2000/026567A1
A vent valve for an air braking system of a vehicle comprises an elastomeric valve member (11) held in relation to a vent (17) and having a restricted vent passageway. A continuous depending rib (23) is engageable with a valve seat (28) ...  
WO/2000/015958A1
A valve assembly includes a housing and a float. The housing is constructed and arranged to inhibit movement of the float between a resting position to a position where it is situated in its valve seat, unless a selected liquid volume wi...  
WO/2000/014345A1
An apparatus for preventing reverse flows in a drainage is disclosed. In this apparatus, a floating device (41) and a reverse flow preventing device (54) act mutually in opposite directions owing to the floating force and the water press...  
WO/2000/006930A1
An automatic vent (30) has a cup (32) including a bottom wall (38), a side wall (40), an open top, and an inlet for introducing fluid into a compartment (42) defined by the bottom and side walls (38, 40). A valve assembly (34) of the aut...  
WO/1999/063255A1
The invention relates to a valve, especially for deventilating and ventilating a fuel tank, comprising a tank channel which leads to the tank and a second channel which leads away from the tank, especially to a filter. Said valve also co...  
WO/1999/061275A1
The invention concerns a device for ventilating a motor vehicle fuel tank comprising a chamber (24) communicating with the tank and, through a top outlet (30), with a discharge duct (28), and wherein the device comprises, inside the cham...  
WO/1999/061826A1
An improved automatic bleeding valve for hydraulic systems comprising: an outer body (1), a cover (5), a float (11) provided with an inclined surface (13) for acting onto the stem (15) of a valve head member (17), a spring (25) for press...  
WO/1999/056045A1
The invention concerns a differential relief valve for flexible sea line comprising: a valve body (1) including an upper part communicating externally through at least one upper communication passage (25) and a lower part communicating w...  
WO/1999/043973A1
A valve (10) comprises a unitary valve housing (12), a valve stem (26) disposed in the housing having a lower portion (32) with a recess for a gasket (46). The valve stem further having a recess in its base for receiving an incompressibl...  
WO/1999/031968A1
The invention refers to a device (8) which is arranged to permit an air flow from an environment to an inner space (3) of a member (1). The device (8) comprises a passage through a wall section (2a) of said member (1). The wall section (...  
WO1998052400A3  
WO/1999/008290A1
The invention seeks to provide an improved method for producing umbrella-type insulators comprising a core which is configured as a full body or a hollow cavity and umbrellas connected thereto, whereby problem-free de-moulding of said um...  
WO/1999/008291A1
The aim of the invention is to provide an improved ventilation valve (8), especially for ventilating a mould (5) in the production of umbrella type insulators (1), so that harmful deformation of the moulded body can be avoided during rem...  
WO/1999/006303A1
There is provided a valve for an eorosol container for dispensing a suspension or solution of a substance in a liquid propellant contained therein. The valve comprises a valve body (1) defining an aperture, a seal (9) mounted at the aper...  
WO/1999/002907A1
The present invention relates to a check valve for connection nipples or fluid ducts which is mainly intended for vehicle refuelling. The check valve comprises a valve body (1) having a fluid passage (10) formed therethrough which is tig...  
WO/1998/052400A2
The invention relates to an improved valve of the double block and bleed type construction wherein a pair of independently and externally actuable ball valves are provided as a contigency measure within the valve to prevent catastrophic ...  
WO/1998/050717A1
An apparatus (410) is provided for controlling discharge of fuel vapor from within a vehicle fuel tank (14). Apparatus (410) includes a valve container (28) with an inlet (32), and outlet (126), and a chamber (52), a valve member (50) fo...  
WO/1998/048203A1
A container has a wall which defines a space for holding a fluid and a sealing device (4) connected to the wall. The sealing device (4) comprises a coupling member (10) having a seat (11) and a channel (12) which gives access to the spac...  
WO/1998/045631A1
A suction and exhaust valve, and more particularly a convenient suction and exhaust valve, which eliminates a partial pressure causing a valve disc to be sucked to a valve port, and simultaneously meets requirements of making a float lig...  
WO/1998/029321A1
Valve for an aerosol container for dispensing a suspension of a substance in a liquid propellant contained therein. The valve comprises a valve body (1) having at least one orifice (16) to allow a quantity of the suspension to pass from ...  
WO/1998/021151A1
A diffuser for aerating a fluid, and particularly for aeration in waste water treatment tanks, is formed in an elongate configuration by manufacturing a base plate (1) from an extrusion cut to the desired length. A perforated elastomeric...  
WO/1998/016767A1
A flange (2) with a circular cylindrical opening (4) is provided in an inflation valve (1) for a container with non-rigid walls which is to be air-pressurised, said flange (2) being secured to the container. A filling nozzle (6) communic...  
WO/1998/015761A1
An improved apparatus and method for calibrating a float-type vent valve (20) for use in an automobile fuel tank (10). The valve (20) is provided with a calibration plate (24a) in the lower end thereof below the float (22a), the calibrat...  
WO/1998/011370A1
The invention concerns a valve for a vessel, into which a liquid is filled, and from which a liquid is drained off, with a float (3) that has substantially the form of a cylindrical tube sealed at one end (4), that can move back and fort...  
WO/1998/009071A1
Known pressure control valves for motor vehicles are composed of many single parts that require a great deal of effort to assemble. According to the invention the stop piece (10, 10a, 10b, 10c) is injection-moulded onto the housing (4, 4...  
WO/1998/002080A1
A bleed valve (30) for introducing bled fluid to a mainstream fluid flowing through apparatus (16) across which a pressure differential occurs, characterised in that the bleed valve (30) is adapted to open so as to bleed fluid into the m...  
WO/1997/049632A1
A valve assembly comprising a rigid mounting (14) and a valve member (15) located in an opening in the mounting wherein an annular part (16) of the mounting around the opening provides a first valve seat (21) on one side thereof and a se...  
WO/1997/047510A1
In order to reduce the amount of air trapped in hydraulic assisted steering systems (1), a communication (13, 14) is established between the area of the oil expanding volume (8, 10, 11), which is the top area in the mounted position, and...  
WO/1997/041373A1
The description relates to a valve for liquids, consisting of a valve housing (10) and a valve body (13) which is guided in the housing, where there is at least one catch (16) into which the valve body (13) engages and which can hold the...  
WO/1997/021023A1
A fluid container draining device (10) for use in draining a fluid container, such as an oil filter (12) in a controlled manner. It has a drill bit (14) with a sharpened tip (16) and exterior channels (20) on its shaft (18) extending fro...  
WO/1997/012150A1
In an electromagnetically actuated directional valve, the armature chambers are connected to the connection of the operating agent source (15) via an input throttle (16, 17) and to the tank connection (12, 13) via a discharge throttle (7...  
WO/1997/007354A1
The control valve has a flap valve (13) biassed to an open position by a spring (14). The degree of opening is set by a set screw (15) engaged against a surface (29) on the flap valve (13). Adjustment of the set screw (15) enables contro...  
WO/1997/006973A1
An over filling interdiction valve, fitted within a fluid tank (3), the valve comprising a housing (1) furnished with a first fluid inlet (7) at a bottom end thereof and a first fluid outlet (15) at top end thereof, a float member (21) l...  
WO/1997/005412A1
A lockout valve (10) comprises a body (12) with an inlet passage (26) and an outlet passage (28) which define a longitudinally-extending flow path through the body. A flow interrupter device (14), or slide, is mounted for transverse move...  
WO/1997/005415A1
The invention calls for an optical fibre made of a material which is optically denser than gas to be fitted between an optical transmitter (9) and an opto-electric receiver (11), at least one external surface of the optical fibre being d...  
WO/1996/015370A1
The invention concerns a pump (10) for metering liquids out of a tank (18) into a delivery line (11), the pump having, fitted on the output side, an air-purge device (12) which is designed to separate off gas, in particular air, entraine...  
WO/1996/006294A1
An onboard vapor recovery system for a vehicle fuel system having a fuel tank (10), a filler neck (12) dynamically sealed by high pressure fuel flow from a filler nozzle, and a vapor recovery apparatus such as a carbon canister (18). The...  
WO/1995/034778A1
This proportioner (10) is used in conjunction with a water supply connector (12) to provide a fluid mixing device for water and liquid detergent. The proportioner (10) includes a valve body (20) providing an inlet nozzle (14) and an air ...  
WO/1995/013473A1
Described is a liquid-metering pump with a pump chamber (2) whose volume increases during the aspiration stroke and decreases during the compression stroke and at whose upper end an air-vent valve assembly (15) is fitted. The aim of the ...  
WO/1995/006216A1
The invention concerns a venting device with a housing (10, 12) which can be connected to the liquid system to be vented and with a float (20) which is constrained to move in the housing (10) and which actuates, by means of an actuation ...  
WO/1995/006215A1
An anti-syphon valve comprises a base pipe (26) having inlet (12) and outlet (18) legs and a valve seat, disposed at the top of the base pipe (26) within a valve stem post, which can be rotated selectively to block the inlet leg (12) or ...  
WO/1995/003085A1
A pressure-responsive control valve (10) is especially useful to control aspiration of fluids from a patient during a surgical procedure. The control valve (10) includes features which control the aspiration suction level communicated to...  
WO/1995/001828A1
A dehumidifier used to remove moisture from a sealed container by isolating a ventilation passage, which is provided in the sealed container, in a plurality of stages by water-vapor permeable waterproof films so that the interior of the ...  
WO/1994/018480A1
The invention relates to an air bleed cock with a movable float (12) in a valve housing (10) having a lever system (14) which has a valve plate (38) to open and close an outlet (22), said plate acting together with an energy accumulator,...  

Matches 451 - 500 out of 6,605