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4794944 |
Plastic valve
A service valve includes a valve body (12) having an upper chamber (18), a lower chamber (20), an open top end (22) and an open bottom end (24). The lower chamber (20) includes an inlet opening...
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4794940 |
Plural diaphragm valve
A diaphragm valve for controlling fluid flow. The valve contains a first and second diaphragm and a piston therebetween. The piston cooperates with the diaphragms controlling their movement within...
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4793387 |
Overfill spillage protection device
An overfill and spillage protection device for capturing fuel spilled from a tank touch supply hose or the fill pipe of an underground fuel storage tank takes the form of a tubular reservoir having...
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4790353 |
Electromagnetic hydraulic valve operator
An electromagnetically actuated hydraulic switch unit is provided by an armature plunger which reciprocally shuttles between partially overlapping magnetic paths and operating a hydraulic valve...
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4785844 |
Double-seal flexible gate valve
Disclosed is a gate valve for controlling flow, providing a dual seal, including a valve body having a discharge orifice. A gate assembly, located upstream of the discharge orifice, is movable...
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4775067 |
Portable fluid collection container
A cylindrical-shaped receptacle for receiving and storing fluid drained from a motor vehicle. The receptacle has an annular splash guard that extends inwardly from the top of the side wall of the...
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4773440 |
Exhaust gas brake system
The present invention relates to an exhaust gas brake system of slide type for an improvement in construction that a coupler cover member has a space chamber defined in the inner circumference of a...
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4765360 |
Water heater leak collector
An auxiliary appliance for collecting water that leaks from a water heater and the like that is mounted thereon. This device includes a collector base that has an upper surface, a lower surface,...
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4762141 |
Fluid flow regulator
A fluid flow regulator including a servo valve assembly and a throttle valve assembly. The servo valve assembly includes a pair of double acting actuators, biased in one direction by an adjustable...
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4762277 |
Apparatus for accelerating slugs of liquid
Discrete volumes, or slugs, of liquid are accelerated to high velocities utilizing energy stored by compressing the liquid. Liquid is forced into a pressure vessel already filled with liquid to...
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4757834 |
Method and apparatus for the realization of a leakage-free switching double seat valve adapted for cleaning seat surfaces
A method and apparatus for the realization of a leakage-free switching double seat valve allowing cleaning of seats. Said method ensures that in double seat valves comprising closing elements of...
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4749002 |
Shut-off device in the form of a ball valve
The ball valve comprises a body (1) provided with two coaxial pipe stubs (4, 5) wherein a ball means (2) rotatable by means of a rotating shaft device floats. In the closed position, the downstream...
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4735229 |
Wear monitoring construction for erosive/corrosive flow conducting devices
A wear monitoring device for use in a choke valve. The device includes a wear liner which fits in the flow annulus of the valve. The liner is sealed at either end from the fluid inlet valve and...
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4730639 |
Tank valve with shutter type diverter
A two function tank valve according to this invention includes a vertically oriented supply tube or conduit with an upper opening. A valve seat surrounds the opening, and a valve seal is movable...
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4729404 |
Receptacle for collecting fluid
A receptacle 10 for collecting fluid, especially suitable for use on the floor of an operating room for collecting irrigating fluid during a surgical procedure, for example, during arthroscopic...
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4726391 |
Rotary switching device provided with an axially displaceable conical chamber
The invention relates to a rotary switching device having a conical chamber permitting modification of the supply to the apparatus to which it is allocated, by reversing the fluids or the...
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4716926 |
Housing for heat insulating armatures and/or flange connectors
A housing for heat insulated armatures and/or flange connections with two box like housing parts, wherein different dimensions of pipelines or and actuating device for an armature, for example, a...
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4716923 |
Apparatus for manipulating parallel fluid flow circuits
Apparatus for manipulating at least two fluid flow circuits comprising a manifold, and a valve stem assembly with at least two stages in series, with each stage comprising a valve relief for...
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4696330 |
Spill collector assembly for liquid storage vessels
A receptacle for accumulating spilled liquids about the inlet pipe of a storage tank is slidably fitted within a stationary housing. The receptacle includes an outlet spout connected to the inlet...
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4694849 |
Hydraulic control valves
A hydraulic valve has a tapered plug rotatable in a complementary tapered bore in a stationary housing so that the axial position of the plug controls the magnitude of a leakage path between the...
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4694848 |
Flow control valve
A direct acting flow control valve operative by an actuator responsive to fluid pressure from an external source. The actuator includes a pair of spaced apart pistons and associated rolling...
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4688591 |
Manual relief gas vent
A manually operated vent valve assembly for a bung hole in a drum lid. The low profile valve assembly is inserted into the bung hole and the lid sealed. The drum is vented by opening a valve stem...
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4687016 |
Emergency release valve apparatus
An emergency release valve apparatus for releasably connecting a pair of pipes together includes a pair of tubular housings, a ball valve member, a rotating shaft and a retaining mechanism. Each...
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4687015 |
Process for the simultaneous cleaning of both seat surfaces of a double seat valve with a product action on at least one side and device to perform the process
A method and apparatus for simultaneously cleaning both seat surfaces of a double seat valve particularly adapted for use in the food processing industry is disclosed. The valve includes a pair of...
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4687017 |
Inverted bellows valve
A bellows valve has inlet and outlet passages in fluid communication with a valve chamber on opposite sides of a valve seat. An elongated valve stem has a first end adapted for selective sealing...
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4679590 |
Receptacle for collecting fluids
A receptacle 10 for collecting fluid, especially suitable for use on the floor of an operating room for collecting irrigating fluid during a surgical procedure, for example, during arthroscopic...
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4679769 |
Steam turbine control valve for cyclic duty
A control valve for cyclic duty steam turbines having a one piece bonnet configuration which has been designed to minimize the affects of and withstand expected cyclic stresses during hot, warm and...
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4664151 |
Valve
A valve assembly and the manner of making the same of the character which embodies a hollow cylindrical body having fluid inlet and outlet ports and a slide member, or spool, slidable within the...
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4660591 |
Ball valve and seat assembly
A ball valve is disclosed having an improved seat ring particularly adapted for sealing a ball member in an end-loaded or top-loaded valve body. The ball is mounted for selective rotation and...
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4659251 |
Liquid spill container and method of making and installing same
A liquid spill container and method of making and installing the same are provided wherein such container has a side wall comprised of at least two separate portions which are detachably fastened...
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4655253 |
Shut-off valve
The shut-off valve (1, 40, 85) comprises a valve housing (2) having at least two chambers (3, 4, 5) adjoining one another in axial direction. The chambers are communicating with one another through...
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4655254 |
Control valve, in particular an electrohydraulic control valve
A control valve, in particular, an electrohydraulic control valve for controlling the injection pump of a diesel engine, incorporates a slider which is guided in a housing, in a manner permitting...
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4648420 |
Fluid control valve
A control valve with a control slider (9) comprising bead-type areas (17, 18, 19), by means of which the control slider is slidably arranged in the cylinder bore (8). The areas (17) and (18)...
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4648421 |
Valve device for controlling liquid flow
A valve device for use in filling cartons includes a tubular housing containing a valve member comprising a closure part co-operating with a valve seat at the lower extremity of the housing, and a...
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4644983 |
Spill reducing system
Apparatus for reducing spillage in connection with a liquid product loading dock. It has a double funnel arrangement with one funnel attached to the first swivel of plural fill pipes which have...
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4644648 |
Portable hydraulic tools
A portable hydraulic tool, such as a hydraulic secateurs, is of the kind having a single acting ram including a driving piston with its piston rod connected to at least one movable operating member...
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4641680 |
Waste solvent receptacle
An assembly for collecting and disposing of waste solvents in a manner to meet safety requirements of municipalities. The assembly includes a waste tank and an open-top container for receiving and...
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4640305 |
High temperature, zero leakage packing assembly
The disclosure is related to a high temperature, zero leakage packing assembly for use in connection with the valve stem of a high pressure control valve. The packing assembly is particularly...
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4638833 |
Choke valve
A flow line control valve is provided with internal erosion and corrosion trim liners and means for detecting for leaks in the liners. There is also provided fuller range, positive shutoff throttle...
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4635477 |
Leak detector for the dikes of nuclear cooling ponds
A device for detecting sealing defects and for measuring the leakage rate of gaskets placed in parallel relationship on the lateral surface of a gate separating the compartments of a storage pool...
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4633899 |
Device for providing a temporary remedy for ceiling leaks
A rectangular plastic sheet member is provided with adhesive fastenings at its four corners so that it can be secured to a ceiling underlying a leak. A light flexible plastic tube passes from the...
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4617955 |
Stop or switch valve for fluids
In a stop or switch valve of the type having a valve head (76,78) mounted on a reciprocable valve rod (86) the bushing member (30) as guiding the valve rod is provided with a cylindrical recess...
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4605035 |
Double seat valve
A double seat valve includes a valve housing and two valve closure members movable in the housing co-axially and relative to each other between an open and closed position. A leakage space defined...
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4603432 |
Spill containment bag and method of using the same
A collapsible and reusable spill containment bag for containing spills of liquid material is flexible and includes a main body portion and a tubular extension portion at the upper end thereof. The...
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4581978 |
Control system for pressure operated actuator
A control system for a fluid pressure operated actuator includes an arming valve having open and closed positions and a pilot operated selector valve having a neutral position and an extend...
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4579145 |
Pressure control device
A pressure control device, preferably for use in a control system of an automatic transmission of a motor vehicle, comprises a housing which accommodates a magnetic coil and an armature, and a...
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4572239 |
High pressure ball valve
A ball valve designed for high pressure shut-off at fluid pressures approaching the ultimate compressive stress of plastic annular seat rings which are employed. The ball member is trunnion mounted...
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4567908 |
Discharge system and method of operating same
A discharge system for a tubing system in an apparatus for the selective transport of fluid volume quantities, for instance in a particle analyzer. Fluid is transported by means of a delivery pump...
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4566479 |
Spool member of a multi-way-valve
In the spool member of a multi-way-valve leakage of pressure fluid from the inlet port to the operating ports and a corresponding pressure increase in a consumer are prevented by annular grooves...
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4566482 |
Top entry trunnion ball valve
A Top Entry Trunnion Ball Valve is provided having a valve body forming seat recesses with seat members movable disposed therein and urged towards sealing engagement with a spherical valve member...
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