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Patent Searching and Data


Matches 351 - 400 out of 6,526

Document Document Title
WO/2004/090396A1
The invention relates to a device (1; 101; 201; 301) for opening a valve (3; 203; 303) of a tank (2), particularly of an air inlet valve or gas outlet valve of a fermentation or digestion tank (2). According to the invention, the valve (...  
WO/2004/090395A1
The invention relates to a device (1; 101; 201; 301; 401; 501) for opening a valve (3; 203; 303; 403; 503) of a tank (2; 402), especially an air-inlet valve or a gas-leak valve of a fermentation or digestion tank (2; 402), said valve (3;...  
WO/2004/088187A1
A gas purge valve comprising a housing (12) formed with an inlet (24) and an outlet (30) formed with a valve seating (54), and a sealing assembly (38) comprising a sealing member (70) displaceable between an open position and a closed po...  
WO/2004/081433A2
A safety valve for venting stationary fuel tanks during loading or unloading is described. The safety valve opens when the pressure inside the storage tank exceeds a certain maximum level during loading of the tank or falls below a certa...  
WO/2004/081457A1
The invention relates to a ventilation valve (2) for heaters (1) or heating installations, said valve comprising a holding body (4) and a valve body (5) which can be axially displaced on said holding body (4) and closes a ventilation cha...  
WO/2004/078351A2
A vent cap is provided for releasing gas from containers, while preventing spillage of the contents therein when the container is tipped from a vertical position. The vent cap has a ball bearing mounted in a ball bearing containment cham...  
WO/2004/074745A1
The invention relates to a ventilating valve (1) for a heating element (2) or heating heating system, comprising a retaining body (1a) which can disposed in a horizontally extending opening or in a thread opening (3) of the heating eleme...  
WO/2004/072538A1
The invention relates to a pipeline system (2) for guiding a flow medium (S). The aim of the invention is to provide a pipeline system which has an especially high level of operating safety even in the event of formation of potentially e...  
WO/2004/069574A1
A low permeation weldable fuel tank assembly is provided to reduce fuel vapor permeation from a fuel tank. The weldable fuel tank assembly has a mounting portion mountable to the fuel tank and a valve housing that is attachable to the mo...  
WO2004039286A9
A valve system is provided having a housing including a first end, a second end and a first passageway. The housing has a first port and a second port. A valve member is disposed within the housing and movable relative thereto. The valve...  
WO/2004/059199A1
The invention relates to a rapid-action air bleeding mechanism (1) for heating systems containing a heat transfer liquid. Said mechanism comprises a float (3) situated in an air bleeding housing (2), in addition to an air equalisation va...  
WO/2004/039286A2
A valve system (20) is provided having a housing including a first end (46), a second end (48) and a first passageway (26). The housing has a first port and a second port. A valve member (22) is disposed within the housing and movable re...  
WO/2004/040180A1
A valve assembly (10) able to be mounted with a liquid container, the valve assembly comprising: a housing (20) having a passageway (60) that extends through the housing; a breather float valve (80) mounted within the housing, the breath...  
WO2002060751A8
The invention relates to a vacuum relief unit for pressure equalisation between the ambient atmosphere and a tank in a tanker, wherein the vacuum relief unit comprises: a valve housing (10) with a first opening (12), whereby the valve ho...  
WO/2004/036096A2
Pressure management apparatus (10) are provided herein for coupling to an end of a vent pipe (100) of a storage tank. Exemplary pressure management apparatus include a removable filter (60) adapted to minimize and/or prevent debris from ...  
WO/2004/036098A1
A reduced pressure backflow preventer (12) includes a body (13) defining a passageway (45) for flow of fluid between a supply pipe (14) and a service pipe (16); a check valve (18) positioned in the passageway; a relief valve assembly (20...  
WO/2004/015315A1
The invention concerns an air transfer valve which automatically vents accumulated air from pressurized liquid reticulation pipelines or vessels. The valve (10) has a housing (12) which is connectable to the pipeline or vessel. The housi...  
WO/2003/093710A1
A safety valve (100) for pressure equalisation between a closed space and the environment, such as ship cargo holds, is disclosed. The safety valve comprises a first valve for relief of overpressure and a second valve for relief of negat...  
WO/2003/080380A1
The invention relates to a valve (11), embodied as a rollover valve for arrangement in a fuel supply line of a motor vehicle, with a valve body (14) having a conical section (16) and a tubular section (17) connected thereto. The valve bo...  
WO/2003/080389A1
An air vent includes a body with a plurality of airflow holes vertically formed on the outer periphery of a centering hole which is penetrated formed through the body at the central portion thereof, a ventilative waterproofing filter ada...  
WO/2003/061807A1
The present invention relates to an oil deaeration device (10) that comprises a base (11) and an oil housing (26), said base (11) being equipped with a first and a second inlet (12, 14), an outlet (13), a float (35) provided in the oil h...  
WO/2003/044407A1
A valve with an integral means for bleeding internal pressure prior to separation of a bonnet (16) for the valve from its engagement with the valve body (12), provided by a bore (20) through the valve body. This allows the internal press...  
WO/2003/040575A1
A hydraulic device with a housing (41) inside which is a space (42) containing hydraulic fluid and an air volume. A breather assembly (1, 60, 80) is further provided, having a breather duct (5) extending between the outside atmosphere an...  
WO/2003/029707A1
A combined vacuum relief and pressure containing valve assembly (110) for relieving vacuum developing within an associated vessel and for containing elevated pressures developing within the vessel. The valve assembly has a housing (102,1...  
WO/2003/025442A1
A safety valve (1) for swimming pools senses and then instantly relieves excessively high vacuum levels in the pool's drain line. Such high vacuum levels occur when an individual becomes trapped by the suction at the pool's drain port wh...  
WO2002048626A8
A vaccum-breaking valve comprising: a tubular body (10) mounted through one of the walls (P) of the cabinet (G) and having inner (11) and outer (12) ends, a valve seat (15) defining a fluid communication between the inside and the outsid...  
WO2002044598A3
A vent control system having a closed biased vent valve (10) is used to separate vapor and/or air from a liquid in an enclosed chamber (62). The closed biased vent valve (10) has a float (64) having an upwardly extending float arm (68) w...  
WO2002068845A3
A fuel vapor vent valve and method of making same for installation in an access opening of non-metallic fuel tanks. The valve body is formed of material not weldable to the tanks (14) and an annular seal member (44) formed of resilient m...  
WO/2002/081955A1
Assemblies for control of fluid flow are described. The assemblies permit angular adjustment of resilient biasing mechanisms (30A) through translation of one of their ends (34) along the assembly exteriors (78A, 78C). Although the resili...  
WO/2002/075143A1
Magnetic valves having sealing and damping members having an elastic zone which is subject to a force caused by different pressures when they are operated, said force having to be additionally overcome when the armature plate is moved, a...  
WO/2002/075142A1
A valve according to prior art has a filter, which requires less installation space. The inventive valve (1) has a filter (18) configured as one piece with the housing (3, 5), located in the vicinity of an inlet opening (9). This permits...  
WO/2002/068845A2
A fuel vapor vent valve and method of making same for installation in an access opening of non-metallic fuel tanks. The valve body is formed of material not weldable to the tanks (14) and an annular seal member (44) formed of resilient m...  
WO/2002/064077A1
In a sealing device for an injection/extraction port of a liquid drug, the external diameter (D¿1?) of a plug body (1) made of an elastic material and having a linear cut portion (1a) or a slit portion (1f) formed vertically therethroug...  
WO/2002/060751A1
The invention relates to a vacuum relief unit for pressure equalisation between the ambient atmosphere and a tank in a tanker, wherein the vacuum relief unit comprises: a valve housing (10) with a first opening (12), whereby the valve ho...  
WO2002012643A3
The invention relates to a device for ensuring a continuous passage of fluids in fluid lines and to the use of said device. The aim of the invention is to create a device with which a continuous passage of fluids in fluid lines can be en...  
WO2002031392A3
The invention relates to an air release valve (10) which has a valve chamber (12) having an inlet (22) that is connected in use to a liquid pipeline or container. There is a first outlet (26) for venting relatively large volumes of air f...  
WO/2002/057671A1
Disclosed is a pressure relief valve (10) for attachment to a closed vessel (12) having an opening (14) to vent gas and liquids from the housing (12) should the internal housing pressure rise to unacceptable levels. The valve (10) includ...  
WO/2002/048626A1
A vaccum-breaking valve comprising: a tubular body (10) mounted through one of the walls (P) of the cabinet (G) and having inner (11) and outer (12) ends, a valve seat (15) defining a fluid communication between the inside and the outsid...  
WO/2002/044598A2
A vent control system having a closed biased vent valve (10) is used to separate vapor and/or air from a liquid in an enclosed chamber (62). The closed biased vent valve (10) has a float (64) having an upwardly extending float arm (68) w...  
WO2002012009A3
A multi-function pressure relief valve (60) having a moveable seat (76) and a needle (100) is mounted on a fuel vapor separator (10). The needle (100) is connected to a float assembly (64) for opening and closing the pressure relief valv...  
WO/2002/033298A1
The present invention relates to apparatus for use in venting pipelines that have a plastic lining such as these used for transporting hydrocarbon fluids. A pipeline assembly comprises a pipeline (2), a corrosion resistance liner (3), an...  
WO/2002/031392A2
The invention relates to an air release valve (10) which has a valve chamber (12) having an inlet (22) that is connected in use to a liquid pipeline or container. There is a first outlet (26) for venting relatively large volumes of air f...  
WO2001059339A3
A valve (10) comprising a housing (24) defining a control space (26) with an outlet port (30) for fluid egress from the space and at least one inlet port (36) for fluid ingress into the space control member (46) is displaceable between a...  
WO/2002/018824A1
The valve assembly (10) is comprised of a valve body (11) having an internal valve chamber (16) in communication with the ambient environment with a valve seat (17) of a predetermined configuration. The assembly further has a cap structu...  
WO/2002/018826A1
A vacuum release valve and method are defined. The valve 10, 100, 200 is positioned on a line L between a pool suction inlet I and a pump PU for pumping pool liquid from the inlet and along the line L. The valve 10, 100, 200 includes a v...  
WO/2002/012009A2
A multi-function pressure relief valve (60) having a moveable seat (76) and a needle (100) is mounted on a fuel vapor separator (10). The needle (100) is connected to a float assembly (64) for opening and closing the pressure relief valv...  
WO/2002/012643A2
The invention relates to a device for ensuring a continuous passage of fluids in fluid lines and to the use of said device. The aim of the invention is to create a device with which a continuous passage of fluids in fluid lines can be en...  
WO/2002/006660A1
A fluid cutoff valve device capable of preventing an excessive oil feeding by suppressing the level of fluid in a oil feed pipe from rising excessively when a tank is filled up with oil by oil filling, comprising a bevel valve with fin (...  
WO/2001/094820A1
A fluid vent (26) for venting fluid from the annulus between the inner surface of a rigid conduit (20) and the outer surface of a conduit liner (10). The fluid vent (26) consists of a length of rigid conduit (34) containing a multiplicit...  
WO/2001/094819A1
A strategy for decreasing hydrocarbon emissions from a plastic fuel tank assembly having a multilayer plastic fuel tank (10) and at least one overmolded fuel tank attachment (100). The strategy consists of two basic components. First, th...  

Matches 351 - 400 out of 6,526