Abstract: A closed type water storage container with water level controller and air filtering device, wherein the closed type water container is linked to the water level controlling device by a connection tube and the connection tube is provided with filtering materials for filtering of the moving water at the water level controlling device, such that water and air within the storage container are filtered and clean.

Abstract: A fuel cut device has a body in which a gas vent passage having a plurality of ports is formed. A connecting portion is formed around one of the ports in a laterally oriented manner for fixing a separate two-way valve onto the fuel cut device. A plurality of thus-configured fuel cut devices are mounted within a fuel tank. The fuel cut devices are mutually connected by means of pipes fitted into the corresponding ports. Unused ports are plugged. The two-way valve is connected to the connecting portion of the fuel cut device adapted to communicate with an external device. The pipes used to connect the fuel cut devices does not include a connection or a branch.

Abstract: A fuel vapor control apparatus halts deterioration in operating characteristics of a fuel control valve at the time of fuel supply and prevents fuel vapor from being discharged into the atmosphere through a filler pipe. The fuel vapor control apparatus prohibits fuel vapor from flowing toward a filler pipe by closing a fuel drop passage at the time of fuel supply. A fuel vapor control valve is configured as a diaphragm valve made of a flexible material, and a diaphragm holder moving integrally with the diaphragm valve is provided at the center thereof. Furthermore, the fuel drop passage as a communication hole is formed in the diaphragm portion at a location radially outward of the diaphragm holder, which is provided with an umbrella portion for opening and closing the fuel drop passage.

Abstract: A liquid container includes a hollow body containing an outlet hole formed in the bottom portion thereof, a V-shaped control valve mounted on the bottom portion of the body and having a first tube received in the body and a second tube extending outward from the body via the outlet hole, a plurality of drain holes contained in the mediate portion of the control valve and connecting between the body and the second tube, a control gasket movably mounted in the control valve and movable between a first position where the control gasket seals each of the drain holes, thereby closing the connection between the body and the second tube, and a second position where the control gasket is released from the drain holes, thereby opening the connection between the body and the second tube, and a drive device for moving the control gasket between the first position and the second position.

Abstract: An apparatus for filling a washer fluid reservoir of a rear wiper system includes a fill cup assembly having main body and a cover. The main body defines an opening for receiving washer fluid. A first conduit provides fluid communication between the opening and the washer fluid reservoir for the transfer of washer fluid. A second conduit allows for venting of the washer fluid reservoir back to the opening and provides complete exterior venting of fumes. A vent passage defined in part by the second conduit is blocked when the cover is rotated to a closed position. A designed-in interference normally retains the cover in its opened position.

Abstract: A sterilizing machine facilitates the introduction of a bath liquid into empty crevasses in the article to be sterilized by evacuating a chamber holding the article to be sterilized prior to covering the article with a bath of liquid. The sterilizer equipment also applies a high pressure to the article to enhance killing of organisms contained therein.

Abstract: A communicating pipe for introducing atmospheric pressure to an air vent circuit changeover valve has an intermediate portion provided in a fuel tank and slanted portions extending obliquely upward. The intermediate portion has a drain pipe wherein a drain hole is provided. Liquefied fuel in the communicating pipe is gathered to the intermediate portion through the slanted portions and drained from the drain pipe into the fuel tank. Thus constituted communicating pipe prevents a clogging of liquefied fuel in the communicating pipe.

Abstract: An air bleed device for a rigid closed housing having a vent hole in a vehicle power transmission system has a baffle portion and a vent portion, connected through a neck portion. In use, the baffle portion is positioned inside the housing and is significantly larger than the vent hole, so it may not be deformed sufficiently to pass through the vent hole. The baffle portion is a pair of planar pieces held in spaced apart relationship by a wall portion which runs along the periphery of the planar pieces and leaves an opening to give access to a plenum between the planar pieces. An outer surface of one of the planar pieces rests against the inner wall of the housing. The vent portion has a collar with a decreasing diameter which may be pulled through the vent hole in a deformed manner and a lower flange-like surface of the collar rests against the outer wall of the housing. When installed in the vent hole, the neck portion provides a frictional fit due to its outside diameter.

Abstract: A control valve for an onboard refuel vapor recovery system employing two bleed orifices in the body of the control valve that are effective to provide different time intervals for continuing to dispense fuel into the fuel tank after an initial fill nozzle shut-off.

Abstract: The air vent has a body with a central axis, a top end, a bottom end, a flat surface on the top end and a flat surface on the bottom end. A gripping surface extends from the top flat surface to a stop surface that is transverse to the axis. The small diameter end of an upper conical surface joins the stop surface. A large diameter end of a lower conical surface joins the large diameter end of the upper conical surface. A cutting edge formed by the flat bottom surface and the lower conical surface pierces a container when the air vent is forced into the container. The lower conical surface expands the opening made by the cutting edge. The stop surface limits penetration and the upper conical surface urges the container wall toward the stop surface. An air vent passage through the top flat surface and the bottom flat surface lets air into the container. A cap closes the air vent passage. The air vent is removed from an empty container for use in another container.

Abstract: A differential pressure regulating valve is disclosed which improves sealing performance when the valve closes. The differential pressure regulating valve has a diaphragm and a guide. The guide limits the moving direction of a retainer. A projecting part and an engaging hole engage with one another and reduce deformation of the diaphragm by tolerating a relative movement between the diaphragm and the retainer. A liquid shut-off valve device is also disclosed which incorporates the differential pressure regulating valve and has stable operating characteristics.

Abstract: A filler pipe unit for the fuel tank of a motor vehicle includes a substantially rigid fuel inlet pipe having a first end connectable to the vehicle body and a second end for connection to the fuel tank. A vent pipe connected to the fuel inlet pipe between the said first and second ends and also intended to be connected to the fuel tank is formed integrally with the fuel inlet pipe. The unit includes a tank for collecting fuel vapors disposed close to the first end of the fuel inlet pipe and formed integrally therewith.

Abstract: A dual tank fuel system has primary and secondary fuel tanks, with the primary tank including a filler pipe to receive fuel and a discharge line to deliver fuel to an engine, and with a balance pipe interconnecting the primary tank and the secondary tank. The balance pipe opens close to the bottom of each tank to direct fuel from the primary tank to the secondary tank as the primary tank is filled, and to direct fuel from the secondary tank to the primary tank as fuel is discharged from the primary tank through the discharge line. A vent line has branches connected to each tank to direct fuel vapor from the tanks as the tanks are filled, and to admit air to the tanks as fuel is delivered to the engine.

Abstract: According to the present invention, there is provided a fuel reserving device for reserving fuel therein comprising a wall for dividing an interior of the device to a fuel chamber and an air chamber, the wall being deformable according to the amount of the fuel in the fuel chamber, a discharge passage which is open to a space formed above the surface of the fuel in the fuel chamber and a shut off valve for normally shutting the discharge passage off. Gas is discharged from the space via the discharge passage when the shut off valve is open. The shut off valve is opened and the gas is discharged from the space when the amount of the gas is larger than a predetermined amount. On the other hand, the shut off valve is closed and the discharging operation of the gas is stopped when the amount of the gas is smaller than the predetermined amount.

Abstract: An emergency water tank reservoir system for a structure having a water supply system including a water supply line is described. The system includes a water tank structure having a top wall, a bottom wall, and a side wall forming a closed tank. The tank structure has an inlet port formed in the side wall and an outlet port opening formed in the side wall. A sediment drain valve opening is disposed into the bottom of the tank at or adjacent the lowest point within the tank for periodically flushing sediments from the tank. A water spout opening is formed into the tank and disposed at an elevation above the sediment drain valve opening for withdrawing water from the tank in emergency situations. A bypass water line is coupled between the inlet and outlet port via a bypass valve system for selectively providing a water bypass line to bypass the tank structure.

Abstract: A containment assembly for storing a liquid substance above a ground support surface has an inner tank for receiving and storing the liquid and an outer tank surrounding the inner tank and forming a first air space therebetween for trapping any of the liquid which might escape said inner tank. A support beneath the outer tank provides a second air space between the outer tank and the ground support surface, and a thermal insulating layer substantially envelopes the inner tank, outer tank and support from the ambient. A vapour exhaust vent is provided atop the inner tank, which may include a liquid scrubber for recovering liquids from discharging gases and returning the liquids to the inner tank or elsewhere. Piping is provided for liquid communication between the inner tank and external liquid sources for filling and emptying the inner tank.

Abstract: A fuel vapor canister purge control valve assembly has an electric valve and a pressure regulator valve for connection at its inlet to a canister fluidically in series in a common housing. The electric valve has a spherical magnetically permeable operator biased closed against the seat by a balanced rotary armature. A C-shaped solenoid pole frame defines diametrally oppositely disposed radial working air gaps with the armature. Upon PWM energization of the solenoid, the armature rotation permits the spherical valve member to move from the seat to open the valve. A venturi is formed in the electric valve inlet and the venturi throat has a pressure tap connected to provide a reference pressure for one side of the pressure regulator diaphragm. The opposite side of the regulator diaphragm has an elastomeric obturator and is exposed to the outlet pressure of the electric valve.

Abstract: In a two piece valve assembly comprising a non-weldable lower valve body portion inserted into the fuel tank through an opening in the tank wall, and an upper valve body portion or cover made from a weldable material and designed to be connected to the lower valve body portion and welded to the upper surface of the fuel tank wall, an improved assembly structure comprising a plurality of circumferentially-spaced support/retention tabs formed on the upper end of the lower valve body portion to provide a self-supporting option for the lower valve body so that it may rest with the tabs on the upper surface of the fuel tank when inserted into the fuel tank opening, and/or further to be securely sandwiched between the upper valve body/cover and the upper surface of the fuel tank wall when a weldable portion of the cover is welded to the tank and melts over the tabs, thereby strengthening the connection between the upper and lower valve body portions.

Abstract: A fuel tank for vehicles, particularly passenger cars, has a filler neck which, in the area of a connection to the fuel tank, is guided around the upper edge of an adjoining body part or chassis part and penetrates a lateral fuel tank wall, a partial area of the filler neck projecting into the fuel tank interior. So that the maximal filling level of the fuel tank can be lowered under the plane A--A of the adjoining body part or chassis part, and therefore a sufficient expansion volume is ensured, it is provided that the end of the filler neck which projects into the tank interior and a filling ventilation extend below the level A--A defined by the upper edge of the body part or the chassis part, the maximal filling level H being determinable by the highest point of the filling ventilation situated in the tank interior.

Abstract: An onboard refueling vapor recovery (ORVR) system for a vehicle fuel system having a fuel tank, a mechanically sealed filler neck which receives a filler nozzle, and a vapor recovery apparatus such as a carbon canister. The system includes a nozzle shutoff line connecting the fuel tank with the filler neck to trigger the automatic shutoff mechanism of the filler nozzle when the level of fuel in the tank reaches a predetermined level. The system also includes a liquid-responsive control valve permitting venting of fuel vapor from the tank during both refueling and normal vehicle operating states when the fuel level in the tank is at or below the full level established by the nozzle shutoff line.

Abstract: An apparatus is provided for preventing the spillage of fuel into the water or onto a marine vessel when filling a fuel tank on the vessel. A vent line is coupled between the fuel tank and a vent port of the vessel, at least one valve assembly coupled within the vent line, and an overflow container is coupled within the vent line between the valve assembly and the vent port. The valve assembly defines a drain hole for permitting small quantities of fuel, gases and/or vapors to pass through the valve assembly and into the overflow container. A fill container defines an inlet port for receiving a fuel nozzle to fill the fuel tank with fuel and an outlet port coupled in fluid communication with a fill line for receiving a fuel nozzle to fill the fuel tank with fuel, and an outlet port coupled in fluid communication with a fill line for the passage of fuel between the fill container and the fuel tank.

Abstract: The container is used for liquids and is equipped with an outlet to which a discharge hose with an interior hose space can be connected. The outlet is disposed in a container wall which encloses an interior space of the container. In the region of the outlet, a through-passage which leads to the interior space of the container, is disposed. The outlet is connected to a two-position valve which has at least two control positions. A discharge position and an aerating position are being provided. In the discharge position, the two-position valve connects the interior space of the container to the interior space of the hose. In the aerating position, the end of the discharge hose, which faces the interior space of the container, is connected to an area outside the container by means of the two-position valve.

Abstract: An improved filler neck for a fuel inlet of a vehicle fuel tank has a bend communicating with converging and diverging portions which control the flow of fuel through the filler neck to ensure that fuel flows through and downstream of the bend without backing up in the filler neck and actuating an automatic shutoff device of a refueling nozzle received in the filler neck. The filler neck also preferably has a bypass fuel passage through which fuel flows upstream through the filler neck and out to the atmosphere if a predetermined maximum pressure is exceeded within the fuel tank to limit the maximum pressure within the fuel tank and prevent it from being damaged or rupturing. Several angled ribs in the filler neck housing guide the refueling nozzle for proper positioning within the filler neck. Other ribs also provide gaps between the refueling nozzle and the filler neck housing to prevent the refueling nozzle from sealing the filler neck inlet.

Abstract: A new Portable Tubeless Tire Inflating System for forcing a large volume of air into a tubeless tire which presses the side-walls of the tire against the rim, thereby setting a bead so the user may fully inflate the tire using a conventional valve stem. The inventive device includes a conventional portable air tank and an air releasing means attached to the conventional portable air tank providing a burst of air to a tire during mounting.

Abstract: A pump apparatus for a milking machine is provided with a distribution device for the supply of lubricant to the bearings of the pump. The distribution device comprises an inlet for the supply of lubricant from a container, a distributor and at least two outlets for the delivery of lubricant to the different bearings of the pump. The distributor is provided to guide the lubricant, independently of the incoming amount thereof such that the lubricant is equally distributed to each outlets and hence to each bearing.

Abstract: A gas vent closing device that incorporates the use of a base member that is secured to a liner disposed over a collection pit. The base member includes a vented lower grate that allows for the passage of gaseous fumes therethrough. A cap member is slidably coupled with respect to the base member. The cap member can be seated within the base member after a desired amount of time in order to seal the pit and preclude the passage of the gaseous fumes.

Abstract: A vent for conducting gas from the atmosphere to a space of a container, the vent comprising a manifold engagable to the container in gas communication and a breather intake assembly engagable to the manifold in gas communication and having a valve assembly operative for admitting ambient air into the container when subatmospheric pressure is present within the container.

Abstract: The fuel storage system includes a control valve having a valve body which is movable along the inner circumferential wall surface of a filler pipe and which defines a passage isolated from the inner space of the filler pipe. A fuel tank and a canister communicate with each other via a main vapor line. When a fuel cap is attached to the filler port of the filler pipe, the valve body of the control valve is pushed by the fuel cap to be shifted away from the filler port, whereby a first sub-vapor line extending between the fuel tank and the control valve via the passage defined by the valve body is communicated to a second sub-vapor line extending between the control valve and the middle part of the main vapor line, permitting evaporative fuel gas to be introduced from the fuel tank into the canister.

Abstract: An apparatus for preventing discharge of fuel vapor has a differential pressure valve. Before a fuel tank opens to the atmosphere due to removal of a fuel cap, the apparatus leads fuel vapor in the lower pressure chamber of the differential pressure valve to a canister for processing therein and opens the differential pressure valve to lead fuel vapor in the fuel tank to the canister for processing therein. The fuel tank is connected to the canister via the differential pressure valve. The lower pressure chamber of the differential pressure valve is connected to the canister via a connection pipe, a communication valve, and a connection pipe. When a fuel lid is opened, the communication valve is opened to lead fuel vapor in the lower pressure chamber of the differential pressure valve to the canister.

Abstract: A protective vent for a water storage tank having an inner flexible fine mesh screen and an outer heavier more rigid screen with a wider mesh. Both screens are mounted on a frame structure under an extending upper protective cover. Air from the water tank can communicate with ambient air after passing through the two screens. The outer screen acts to protect the tank and the inner screen from birds, grasshoppers and large insects while the flexible wrinkled inner screen protects against frost and smaller insects entering the tank. Fiberglass may be used for the fine inner screen and galvanized hardware cloth for the outer screen. The vent is constructed to be mounted over an existing vent stack from the storage tank. On those water storage tanks whose venting capacity is no longer adequate and an increase in air flow is desired, a new larger diameter vent stack can be installed in place of the existing smaller stack with this protective vent system.

Abstract: An on-off valve 30 is mounted in an intermediate portion of a first evaporative fuel conduit 24 for passing an evaporative fuel within a fuel tank 21 to a canister C. The on-off valve 30 is opened when refueling. A float valve 28 is mounted at a lower end of the first evaporative fuel conduit 24 and closed by rising of the liquid level in the fuel tank 21. A two-way valve 40 and a second float valve 29 are mounted in an intermediate portion and a lower end of a second evaporative fuel conduit 25 which permits the fuel tank 21 and the canister C to be put into communication with each other during non-refueling.

Abstract: An improved gas ventilation apparatus for a fuel tank by which it is possible to more effectively ventilate a volatile gas from the interior of the fuel tank and preventing a leakage of the fuel through a discharge pipe even when the discharge pipe is damaged, which includes a housing arranged in an inner portion of an upper panel of a fuel tank, a gas discharge unit arranged in the interior of the housing, the upper portion of which is engaged to the upper portion of the fuel tank, and being operable in accordance with the pressure of the fuel gas generated in the fuel tank through an inlet hole formed in the lower portion of a discharge body, and a discharge pipe communicating with one side of the housing and passing through a lateral surface of the fuel tank through the interior of the fuel tank in order for the fuel gas to be discharged through the gas discharge unit.

Abstract: A vapor recovery fuel system includes a fuel tank having at least one vent opening defined therein. A fuel vapor canister is in communication with the vent opening to receive and filter fuel vapors from the tank. A refueling control valve is configured in the vent opening and has a first inlet orifice and an outlet in communication with the vapor trap. The control valve includes a variably buoyant first float body extending into an interior of the fuel tank which rises over a predetermined range of movement in response to increasing fuel level. The control valve includes a second float body engaged by the first float body over at least a portion of its range of movement. The first float body has a buoyancy during refueling so as to rise with increasing fuel level to engage and move the second float body into a sealing position to seal the inlet orifice from the outlet at a predetermined height of fuel within the tank.

Abstract: A composite relatively flexible resilient flap member has a movable flap and is formed of composite reinforcing fibers such as nylon, carbon or polyester impregnated with elastomeric flexible fuel resistant material. A rigid sheet member formed of composite material comprising reinforcing fibers such as glass, carbon, polyester and nylon and epoxy stiffens the flap. The flap overlies a fuel fill opening in a support plate with a major portion of the flap member fixedly overlying the plate. The flap is offset in an opening of a mounting plate secured to the support plate. The stiffened flap member is preformed with a bend to form a resilient biased hinge when flattened, the hinge being spaced from the fuel fill opening. The flap member and rigid member have low inertia to assist in rapid closure. Other embodiments are disclosed. A fuel cell tank breather vent has a tube with a male valve slug having an elongated shank.

Abstract: A buffer system for separating an aseptic fluid handling assembly from a drain includes a fluid receiving housing in fluid flow communication with a fluid discharge outlet of the aseptic fluid handling assembly. A trapped fluid discharge opening near the bottom of the housing, includes a tube which extends above the bottom into a baffle container. The baffle container is in the form of an enclosure having openings at the bottom thereof to admit fluids contained in the housing. A discharge conduit is in fluid flow communication with the discharge opening. A first fluid level detector in the housing activates at least one valve in the discharge conduit by a control which opens and closes the valve in response selected fluid levels detected by the fluid level detector. In a preferred embodiment the first fluid level detect detects a fluid level exceeding a preselected depth in the housing and a second fluid level detector detects fluid levels dropping below a second preselected level in the housing.

Abstract: The fuel tank system comprises a tank body for containing fuel therein, a canister for disposing said fuel component, a filler tube connected with the tank body and forming a channel for supplying fuel to the tank body, a vent side check valve having a first chamber and a second chamber separated by a diaphragm, a signal tube connecting the first chamber of the vent side check valve with the upper part of the filler tube, a vent side tube for connecting the tank body with the canister via the second chamber of the vent side check valve and for introducing a gaseous body containing fuel component in the tank body to the canister via the second chamber when filling fuel, and an orifice for the signal tube, provided on the upper part of the signal tube on the filler tube side and having such an inside diameter and a length that may prevent the fuel permeation into the signal tube side from the filler tube side.

Abstract: A vapor recovery system monitoring system includes a vacuum monitor and a vent sensor. The vacuum monitor has a signal relay in communication with a vacuum system served by a vacuum source to generate a first signal upon actuation of the vacuum source for recovery of displaced fuel vapor and a second signal when a minimum vacuum level is achieved; a timer measuring elapsed time between first and second signal; a comparator comparing elapsed time with a predetermined standard; and an error display actuated when the predetermined number of instances of elapsed time is exceeded.

Abstract: A compact, lightweight, inexpensive surge restrictor for use in the fuel tank vent line of a marine craft includes a housing which defines a chamber having an inlet and an outlet, a baffle member disposed within a flow path through the chamber so that liquid passing therethrough impinges upon and is redirected to dissipate liquid momentum, and a movable closure member, which in response to a surge of liquid into the inlet, abates liquid flow through the surge restrictor. More specifically, the movable closure member is movable between a normal rest position wherein vapor and air can easily flow through the surge restrictor to allow venting and atmospheric pressure equalization within a fuel tank, and a liquid fuel surge arresting position wherein the closure member blocks a passageway in the flow path between the inlet and outlet of the surge restrictor to abate fluid flow therethrough.

Abstract: A tank pressure control valve is provided for controlling the discharge of fuel vapor from a fuel tank. In one embodiment, the tank pressure control valve is configured to use pressurized fuel vapor to control a flexible diaphragm operable between a closed position blocking discharge of fuel vapor from the fuel tank and an opened position allowing such discharge. In another embodiment, the tank pressure control valve is configured to use pressurized fuel vapor to move a flexible diaphragm to move a rigid valve member between a closed position and an opened position.

Abstract: A fuel tank for an automobile has a separator film to separate the inside of a fuel storage container of the fuel storing device into a fuel storage part and a space. The separator film is movable with a surface of liquid fuel in the fuel storage part. A filler pipe is connected to the fuel storage part. The filler pipe has a nozzle seal that seals a gap with respect to a refueling nozzle inserted into the filler pipe. A conduit communicates a part of the filler pipe adjacent to the nozzle seal with an upper part of the fuel storage part. A closure preventing means prevents the separator film from closing an opening of the conduit at the upper part of the fuel storage part. The closure preventing means prevents a negative pressure from being produced around the refueling nozzle before the fuel storage container is fully filled with fuel.

Abstract: A rainwater collection and distribution apparatus includes a tank which includes a water entry portion, a water exit portion, and a water containment portion located between the water entry portion and the water exit portion. A valve assembly is connected to the water exit portion of the tank. A flexible adaptor conduit is connected at one end to the water entry portion of the tank and is connectable at another end to a portion of a gutter down spout. A plurality of stakes are connected to a bottom portion of the water containment portion of the tank for fixing the tank to a portion of a ground surface. The water containment portion of the tank has a tank diameter and a hydrostatic-pressure-development height extending from a distal end portion of the water containment portion to the valve assembly. A ratio of the hydrostatic-pressure-development height to the tank diameter is equal to or greater than three.

Abstract: In an evaporative-fuel emission preventing apparatus, a differential pressure regulating valve provided in the course of a passageway for connecting a fuel tank and a canister includes a valve section and a case section including a conduit for connecting the differential pressure regulating valve and the canister. The valve section has a communicating hole for connecting the low and high pressure sections of the differential pressure regulating valve. Liquid fuel flowing into the low pressure section is returned to the fuel tank via the communicating hole. When fueling, the quantity of air in the communicating hole can be controlled by a convex portion. Further, the conduit has a communicating hole for connecting the conduit and the fuel tank. When an interlocking valve formed in the valve section moves with an opening operation of the valve section and is separated from the communicating hole, liquid fuel within the conduit can be returned to the fuel tank via the communicating hole.

Abstract: A leak compressed fuel gas discharging device in an automobile having a compressed fuel gas tank arranged within a shut-up compartment such as a trunk room is provided.

Abstract: A fuel tank for vehicles, particularly motor vehicles, is provided with an operational ventilating system which is composed essentially of a vent outlet arranged in the area of an upper fuel tank wall, of an exterior air feeding and air removing pipe connected to the vent outlet, and of an activated-carbon filter connected behind. To prevent liquid fuel particles from entering the activated-carbon filter by way of the vent outlet, particularly during lateral accelerations, a device is disposed inside the fuel tank in front of the vent outlet, which device partitions off the vent outlet with respect to a direct action of liquid fuel particles.

Abstract: A vaporized fuel control valve for a fuel tank containing fuel to be supplied to an internal combustion engine, having a casing fastened to an upper surface of the fuel tank, and a float valve is housed in the casing such that it moves upward toward a seat in response to fuel level in the fuel tank. A diaphragm valve having a diaphragm is placed in the casing above the float valve for separating an interior of the casing to a first chamber communicating with a filler pipe of the fuel tank, and a second chamber communicating with the fuel tank through the float valve. The diaphragm valve opens to connect the second chamber with a canister such that vaporized fuel forced out of the fuel tank flows along a path through the float valve to the canister when the first chamber is supplied with atmospheric pressure, unless the float valve seats on the seat.

Abstract: A multi-purpose automatic filing basin is provided for containing a selected amount of water which is used for various purposes. The water may be transferred from the basin by wicks or by a pump to water using devices such as plant pots or toys or may be provided for direct use from the basin for devices such as animal feeders and habitats. The basis is kept supplied with water from a pressurized source by a specialized valve which opens in response to a drop in water level below a first selected level and closes in response to the water level reaching as second selected level.

Abstract: The present invention relates to a vapor pressure control system which include a canister containing activated carbon therein, a tank pressure sensor connected to a fuel tank to sense internal vapor pressure of the fuel tank, a control valve mounted in a path from the fuel tank to the canister to control the internal vapor pressure of the fuel tank, and a cut valve mounted below a filler cap to lead the vapor flowing backward from the fuel tank to the canister, so that vehicles can have vapor stability and reduce air pollution.

Abstract: The invention described in the patent is an automatic control system which provides monitoring, supervision, and control of the process of filling of a tank or container with a liquid. The invention is applicable to cases where the liquid is handled in contact with its own vapor only, or where the liquid must be maintained at all times under a specified gas pressure. The invention provides an improved method of carrying out the process of filling of tanks or containers with liquids such as ammonia, chlorine, propane, liquefied petroleum gas, or with liquids such as carbonated beverages. The main advantage provided by the apparatus and method of the present invention is that an improved means is included for automatically stopping the filling process at the correct point, so as to avoid a possibly hazardous overfilled condition.

Abstract: A refueling valve for a motor vehicle includes an integrated control valve therein having a vent tube that has a first valve seat on one end thereof and a second valve seat on the other end thereof that cooperate respectively with a float valve and with a diaphragm controlled pressure responsive cut-off valve that is operative in accordance with a sensed pressure condition in a fuel filler pipe to control fuel venting to a charcoal canister and to prevent the escape of fuel vapors from a filler neck. The diaphragm is communicated with a pressure sensing port in the filler neck below a trap door therein that opens during refueling and is closed once the fuel nozzle is removed. The pressure sensing pot is located upstream of a venturi that produces negative pressure at the pressure sensing port and on the diaphragm member. A spring biases the cut-off valve normally closed.

Abstract: A volatile liquid storage facility having an inner tank containing a fuel storage chamber for retaining volatile fuel. An outer tank is formed surrounding and arranged concentric with the inner storage tank. The inner and outer tanks are spaced apart from one another by a predefined spacing which is filled with a fire retardant insulative material. The insulative material resists transfer of thermal energy between the inner and outer tanks. A vent is provided in communicating relation with the fuel chamber and projected outward therefrom. The vent passes through the insulative layer and through the outer tank to allow vapor to escape from the fuel chamber when a pressure therein exceeds a desired threshold level. An insulative shell is mounted to the exterior of the outer tank to enclose the vent in order to substantially isolate the vent from external environmental heat.