Abstract: A roll-off self-powered fuel dispensing platform system which is transportable, deployable, and made operable by a single individual, from a vehicle such as a truck and which includes a roll-off platform assembly, a roller assembly, and a large planar base. A plurality of essential and sensitive components including a fuel vessel, a fuel pumping and metering unit, a pivotally collapsible gravity operated fuel distribution hose support, a fuel distribution hose having a fuel nozzle, and an area lighting apparatus including a pivotally collapsible light standard and a light are mounted on the large planar base. These essential and sensitive components are all confined within a security fence which is mounted on the large planar base around the perimeter thereof. The security fence includes front and side access doors or gates.

Abstract: A dump-valve device for a craft, characterized in that it comprises: a plug valve (13) movable approximately rectilinearly relative to a fixed seat (17) supported by a craft transom plate (3), drive means (9, 10) mobile in rotation along a rotary stroke of limited angular amplitude and able to be activated from inside the craft, and coupling means (11, 19) interposed between the valve (13) and the drive means (9, 10) to convert the rotary stroke of limited angular amplitude of the drive means into a rectilinear stroke of limited linear amplitude of the valve.

Abstract: A valve (1, 8, 14) having a valve body (2) that is pressed against a valve seat (5, 11) by the pressure of a valve spring (3) supported against a valve cap (4, 10). The valve is held together in the area of the valve seat (5, 11) by an enclosure member (7, 9, 15) coated with an elastomer, and the enclosure member (9, 15) can also form the valve plate or seat.

Abstract: Improved outlet boxes are provided for installation in a wall to connect water supply lines and drain lines to the corresponding lines from an appliance. Molded plastic outlet boxes having dual drains; left-to-right reversibility; adaptability to multiple drain and inlet line configurations, including top, bottom and side inlets; inclined bottom walls with gutters and removable webs facilitating drainage; and rear walls with recesses accommodating flushable water supply line connections are disclosed. Dual drain connectors adapted to combine the flows from dual drain outlets into a single drain pipe and knock-outs with downwardly extending, elongated tabs are also disclosed.

Abstract: A housing of diaphragm valve has two valve chambers (11, 12). A central channel (21, 22) opens in each valve chamber and has an external connection (B, D). On each side of the central channels there are first (17, 19) and second side channels (18, 20) having an external connection (A, C). Each valve chamber has two valve seats (13, 14, 15, 16). Diaphragms (23, 24) are arranged to seal against the valve seats. Control means (25, 26) are arranged to press portions of the diaphragms (23, 24) against one valve seat each, thereby shutting passage between a central channel and a side channel, and to raise portions of the diaphragms off the valve seats, thereby to open passage between a central channel and a side channel. The first side channels (17, 19) are interconnected and both are connected to a common external connection (A), and the second side channels (18, 20) are interconnected and both are connected to a common external connection (C).

Abstract: Flow of processing gas is controlled by one valve from the atmospheric pressure to a substantial vacuum pressure. A valve body is disposed in a valve chamber having an inlet to be connected with a reaction chamber and an outlet to be connected with an evacuation pump. The valve body includes a first disc-shaped valve body portion to be pressed against a flange portion of a valve seat and a second disc-shaped valve body portion which is screwed on an end surface of the first valve body portion and adjusted its alignment. The second valve body portion is inserted into a valve hole of the valve seat. The first valve body portion has a circular groove at one of its surfaces to be brought into contact with the flange portion and an O-ring in the groove so as to choke fluid flow when in contact with the valve seat. The second valve body portion has tapered notches of which depths are gradually decreased from downstream to upstream.

Abstract: A wall mountable rack-like structure that may be used to conveniently store and at the same time drain one or more hoses commonly used to convey liquid substances such as hydraulic liquids, fuels, coolants and the like. The structure includes a horizontal bracket having a plurality of projections that define a number slots capable of receiving an end portion of a hose. The horizontal bracket is spaced at a vertical distance below the a horizontal top portion of the rack. The vertical distance is selected so that hose end couplings having spring-biased, quick connect/disconnect valves may be snugly inserted between the bracket and the top portion. When the hose end couplings are inserted between the bracket and the top portion, the tip of the spring biased valve engages the top portion and is depressed, thereby opening the valve and allowing any liquid within the hose to downwardly drain to the horizontal bottom of the rack.

Abstract: A valve assembly for controlling the flow of refrigerant and coolant through an HVAC system is provided. The valve assembly includes a refrigerant housing defining a refrigerant conduit with a refrigerant inlet and a refrigerant outlet. A refrigerant valve is disposed within the refrigerant conduit for controlling the flow of refrigerant between the refrigerant inlet and the refrigerant outlet. The assembly also includes a coolant housing defining a coolant conduit with a coolant inlet and a coolant outlet. A coolant valve is disposed within the coolant conduit for controlling the flow of coolant between the coolant inlet and the coolant outlet. An actuator assembly is coupled to the refrigerant and the coolant valves for simultaneously actuating the valves.

Abstract: An outlet dust cover, for attachment to a back plate having a wall plate formed to include an aperture within which a valve controlling gas flow in a pipe is received, includes a plate, a valve actuator located in the plate and arranged to be positioned adjacent the valve when the plate is positioned adjacent the wall plate, the valve actuator having a first state in which the valve is not actuated and a second state wherein the valve is actuated, and a vent extending through the cover and positioned to be in communication with the pipe.

Abstract: In a fuel supply apparatus for vehicles, a fuel pump is supported in a sub tank through cushioning members. Each cushioning member includes a plurality of resilient parts having a wavy shape in cross section in a radial direction and a plate width in an axial direction. The resilient parts thus support the fuel pump resiliently to absorb vibrations of the fuel pump caused in the radial direction, while withstanding the weight of the fuel pump and the reaction force generated upon fuel discharge operation of the fuel pump. The cushioning members are resin-molded unitarily with an inlet-side cover and an outlet-side cover which are fitted in the axial side ends of the fuel pump. The cushioning members have respective engagement parts which are fitted with the sub tank. The sub tank has stoppers which restrict the fuel pump from moving in the axial direction under a condition that the fuel pump is assembled with the sub tank.

Abstract: A bidirectional check valve controls movement of fluid. A valve body has an opening, a further opening and a passage connecting the opening and the further opening. A poppet is disposed within the passage of the valve body, and a spring is coupled to the poppet. A further poppet is disposed within the passage formed in the first mentioned poppet, and a further spring is coupled to the poppet and to the further poppet. When fluid passing through the opening in the valve body exerts a force on the poppet that is greater than the spring force, the further portion of the outer surface of the poppet is directed away from the further portion of the wall of the passage and permits the fluid to flow from the opening in the valve body through a channel and to the further opening in the valve body.

Abstract: A bottom outlet valve for a tank car having a bottom is provided. The valve includes a nozzle projecting from the bottom of the tank car and defining an opening and having a locking member, an outlet cap shaped and dimensioned to cover the opening and moveable between open and closed positions, wherein in the closed position the cap forms a substantially liquid-tight seal with the opening. The valve also includes at least one moveable handle coupled to the cap and having a locking portion engageable with the locking member and a hand gripping portion formed by structure defining a closed loop. Movement of the hand gripping portion causes engagement of the locking portion with the locking member, wherein when the locking member and locking portion are engaged, the outlet cap is retained in a closed position.

Abstract: An actuator for electromagnetically controlling a valve with a device comprising a magnetic field sensor and a magnetic field transmitter for determining the instantaneous position of a retaining plate, the magnetic field sensor and the magnetic field transmitter being surrounded by magnetic screening.

Abstract: A water management system for a motor vehicle in which water is collected from the condenser (1) of the air-conditioning unit, stored in a master water tank (5) and distributed therefrom to the battery (15), screen wash jet (27) and radiator (37). The vehicle owner is thus spared the inconvenience of regularly checking and topping up the water supply for these items. The risk of breakdown is also reduced. In another aspect of the invention, a wet battery (15) incorporates a plurality of float valves (75) for regulating the fluid level in respective cells (61, 63) of the battery. Water is passed through a common channel (23) into which the float valves (75) open when the fluid level is below a preset limit. The battery fluid is thereby automatically kept at the required level for optimum performance and lifetime of the battery.

Abstract: The invention provides an in-line low supply pressure alarm device preferably housed together with a gas pressure regulator and a gas flow controller, thereby eliminating the need for the operator to monitor gas availability. The alarm device is designed to be inserted in-line and includes a hollow housing with a gas inlet, a gas outlet, and an elongate internal chamber. A piston is disposed within the chamber for axial sliding between an alarm-on and an alarm-off position. The piston includes a piston head sealed in sliding engagement with an actuating compartment of the chamber. The actuating compartment of the chamber is filled with pressurized gas in flow communication with the gas inlet in operation. The piston includes an axially extending valve stem with a lateral alarm port in flow communication with the gas inlet. The valve stem is in sliding engagement with axially spaced apart seals defining an alarm plenum within the chamber.

Abstract: A pool, spa, hot tub or the like having a basin capable of retaining water, a first pump for recirculating a portion of the water within the basin to inlet jets within the side walls of the basin and a second pump for recirculating water from the basin to additional inlet jets in the side walls of the basin. Both the first pump and the second pump are driven by a single double-shaft electric motor.

Abstract: A valve safety lockout device and a method for using such device to tamper-proof a control valve are disclosed. In the device, a hollow toroidal-shaped body that is divided into two equal halves circumferentially forms the body for the lockout device. A plastic molded-in hinge connects the two equal halves at one end, and a male latch member and a female latch member are each formed at an opposite end of the two halves such that once they are engaged together, the two halves cannot be detached without destroying the latch members and thus making it visible to an operator. The plastic hollow body of the lockout device can be suitably molded of a plastic material of high rigidity including a molded-in plastic hinge connecting the two halves together. The rigidity of the plastic material should be such that the lockout device cannot be compressed or squeezed in order to turn the control valve handle.

Abstract: A thermal insulating bag, with a waterproof outside surface and a heat-reflecting inside surface, is installed, open end downward, over a backflow prevention valve and the associated above-ground water pipes, to cover them. The bag has ballast contained in a hem around the perimeter of the open end, enabling the open end of the bag to conform to and seal against an irregular ground surface. The bag is flexible and can be rolled up or folded flat or in any desired configuration for storage. The ballast material, being heavy, holds the bag down on the ground and, being fluid-like, enables the perimeter of the open end to engage the contour of the ground throughout the perimeter to provide an effective cover-to-ground seal. Tabs extend outward at the open end and have holes in them to enable installation of anchor stakes, to anchor the lower end of the bag to the ground, desired. One embodiment electrically heated.

Abstract: A water flow controlled dispenser of liquid or water-soluble beneficial chemicals for sprinkling systems.

Abstract: A freezeless wall hydrant for delivery of hot or cold water from a single discharge conduit has first and second fluid inlet pipes in parallel spaced relation. The pipes have forward and rearward ends and are connected respectively to sources of hot and cold pressurized water. A laterally extending fluid conduit member connects the forward ends of the first and second fluid inlet pipes and is in communication therewith. A fluid closure valve is located in the rearward ends of each of the first and second fluid pipes. A check valve is in each of the pipes forwardly of the fluid closure valves and is capable of permitting fluid flow in the pipes in a direction from the closure valve, but prevents fluid flow towards the closure valves. A valve rod having forward and rearward ends rotatably extends through the laterally extending fluid conduit and through the forward ends of the first and second inlet pipes and has one end operatively connected to the check valves in the rearward ends of the fluid inlet pipes.