Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 451 - 500 out of 6,522

Document Document Title
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,...  
WO/1994/013408A1
A top fitting and closure cap (30) for a fluid container (not shown) includes a dip tube (31), pump (32), valves (37, 40) and discharge nozzle (33), whereby operation of trigger (34) draws fluid from the container up tube (31) and into c...  
WO/1994/013990A1
A push-to-connect coupler (20) including an interlocking three-way valve (26) that enables coupling and uncoupling with respect to a mating nipple (21) only when the coupler is in a vent mode. The coupler is characterized by a unique int...  
WO/1994/008163A1
The invention concerns a valve (1) designed to allow air to pass into evacuated chambers, enclosures, etc., the valve having a seat (3) and an obturator (4). In order to ensure that the air passes in rapidly and silently without valve ma...  
WO/1994/003746A1
A bi-directional vent and overpressure relief valve is disclosed including a housing (12) enclosing a regulator member (30). The regulator member is biased into contact with a wall of the housing to prevent flow of gasses through the hou...  
WO/1994/001705A1
Apparatus (10) comprises housing (12) mounted in aperture (18) in a fuel tank and valve (48) movable in housing (12) between a position blocking flow of fuel vapor from the fuel tank through the housing and a venting position allowing fl...  
WO/1994/001321A1
An apparatus (10) is provided for preventing the spillage of fuel into the water or onto a marine vessel when filling a fuel tank (14) on the vessel. A vent line (20) is coupled between the fuel tank (14) and a vent port (22) of the vess...  
WO/1993/014366A1
An apparatus (20, 120, 220) is provided for controlling discharge of fuel vapors from a vehicle fuel tank having a filler neck. The apparatus (20, 120, 220) comprises a housing (24, 124, 224) defining an interior region (26, 126, 226), t...  
WO/1993/005325A1
The invention is directed to an automatic, float-operated vent valve, especially intended for mounting in direct association with a radiator or a conduit in a hot water circulation system, having a housing (2) with a float chamber, at le...  
WO/1992/013220A1
Venting equipment comprising a housing (119) containing a main valve (51) opening upwardly to control gaseous and/or vaporous medium flow into the housing and a secondary valve (117) controlling medium flow out of the housing has the mai...  
WO/1992/009942A1
An appliance (10) for disinfecting contact lenses (24) wherein the lenses are disposed within a disinfecting solution (28) which liberates gas (A) during the disinfecting action, includes a container body (12) for immersion of the lenses...  
WO/1992/009753A1
To prevent surface water penetrating into a shaft, the invention calls for a cap (5) with a hollow body (9) made of watertight material to be fitted over the end of the shaft, the cavity in the hollow body (9) being joined via ducts (11)...  
WO/1992/003207A1
A vent line separator (30) having a housing (34) defining an interior chamber (44) having a flow diverter (132) positioned therein that separates liquid and gas and a by-pass valve assembly (106) that permits gas to be vented to the atmo...  
WO/1991/015693A1
An automatic drain valve for discharging accumulations of condensables and foreign materials from a pneumatic system. The drain valve (10) comprises a reservoir (14) defining an inlet (30) and an outlet (86) for flow-through communicatio...  
WO/1991/012185A1
A combination pressure and vacuum pump (10) including a pump housing (16), a pump cylinder (32), a pump head (20) adapted for sealing engagement with a valve stopper (70) on a food or drink container (14), and piston (34); the pump cylin...  
WO/1991/009244A1
A bidirectional pressure release valve comprising a valve body, a first valve member mounted in the body and biased against a first valve seat, and a second valve member movably mounted on the first valve member and biased against a seco...  
WO/1991/001465A1
A combined air vent and overpressure relief valve for a subsmersible pump includes a single tubular housing to be inserted in an opening in the upper end wall of a chamber on the outlet pressure side of the pump. The upper end of this ho...  
WO/1990/007666A1
A self-venting valve apparatus (2) uses a valve stem (16) rotatably and slidably mounted to a vessel (4) by a collar (8). A single gasket (46) seals the gas inlet and liquid outlet in the closed configuration. To drain the liquid, the va...  
WO/1990/005259A1
Combined ''roll-over'' and float valve for the vent pipe from a vehicle fuel tank. The valve has a valve closing member (8) with a float (11) which, when liquid penetrates into the valve housing (1), lifts the valve closing member toward...  
WO/1989/010509A1
A backflow prevention valve having a hollow housing (1) having an inlet check valve (5) and an outlet check valve (16) for fluids flowing through the housing and having a drain (4) from the housing with a drain valve (10) coupled to the ...  
WO/1987/003664A1
A method for draining liquid from, for example, a liquid separator in a pressure-gas conduit, with the aid of a valve. The invention is based on the concept that when a fluid flows through two constrictions connected in series, the press...  
WO/1987/003455A1
A depressurizing, swelling and drying apparatus which comprises a depressurizing chamber connected to a vacuum pump both directly and through a reservoir tank, a drying chamber provided with a depressurizer, a heater and a conveyor, and ...  
WO/1987/003665A1
A faucet valve (10) includes a ball valve (28) seated in a valve chamber (18). The ball valve (28) has a plurality of apertures (46) circumferentially spaced about the control stem (32) which extends through an opening (60) in the cap as...  
WO/1987/003062A1
A pressure relief and vacuum vent valve (18) includes a valve body (20) defining a cylinder (28) having an inwardly facing valve seat (30). A valve piston (32) is positioned in the cylinder and includes an annular closure portion (34) ax...  
WO/1985/001787A1
An automatic valve (10) for pressurized fluid reservoirs for bleeding air from liquid or, with reversal of the principal elements, vice-versa. In an embodiment for bleeding air from a hydraulic reservoir or the like, a capillary (45) ext...  
WO/1984/004802A1
A flow regulator for gaseous substances, particularly a flow regulator intended for air in air-conditioning and ventilation installations, for maintaining the volumetric flow of the gaseous substance at desired magnitude with sufficient ...  
JP6620511B2  
JP2019206901A
[Subject] Even if inside of a drainage pipe changed [ a simple structure ] into which state of positive pressure and negative pressure, after making correspondence possible, a positive/negative pressure relief device for drainage pipes w...  

Matches 451 - 500 out of 6,522