Match Document Document Title
4007908 Process and device for attenuating noise caused by a valve during the expansion of a fluid  
Sinuous passage method and means of attenuating the noise generated by the expansion of a fluid through a valve. A winding-passage-incorporating tubular element provided between the valve and the...
3999714 Shower head water flow reducing device  
This invention relates to an improvement in a device which reduces the flow of water through a shower head. The invention consists of a unitary cylindrical member being inserted into the delivery...
3996025 Apparatus for distributing flowing media from one flow cross section to a flow section different therefrom  
Apparatus for distributing flowing media from one flow cross section to a different flow cross section in a funnel-shaped tubular enclosure open at both ends. A plate having a multiplicity of...
3991792 Anti-siphon gasoline tank  
A gasoline or other fuel storage tank associated with a fuel-powered vehicle has a recoiled spring disposed therewithin to prevent the siphoning of the fuel therefrom.
3972121 Pressure reducer for air driven dental handpiece  
An air driven dental handpiece having means for securing a dental bur and means for supplying a rotative power to the dental bur. The power is supplied, in the preferred embodiment, by an air...
3945402 Laminar flow pipe system  
A pipe system for conveying fluids having a straight pipe section with a Reynolds number exceeding 2200 by reason of the critical values of interior surface roughness of the pipe and of turbulence...
3942962 Pulse jet and venturi liner  
A removably insertable liner of elastically deformable material sized to be disposed within and in interfacially engaged relation with the inner surface of a rigid venturi element.
3937255 Safety equipment for installations under pressure  
What follows is a description of a unique arrangement forming safety equipment for installations containing a medium under pressure. The safety equipment includes a wall of the installation whose...
3934614 Energy dissipator ring  
Prefabricated rings comprising several arcuate sections and an expansion device are installed and frictionally retained in an inclined water conduit so as to dissipate the energy of the water...
3921672 Choke for controlling flow of pressurized fluid  
A choke and method for controlling pressurized fluid flow such as natural gas being produced from a gas well. The choke includes a choke body having a threaded portion for mounting in a fluid...
3916020 System for controlling pressure by acoustic means  
A system for controlling pressure in a container, for example the carburetor of an internal combustion engine, from a periodic acoustic source, for example the intake or exhaust of the engine or a...
3913846 Gas burner orifice  
An orifice device for gas burner apparatus includes a gas outlet port or orifice and an emission control so disposed in relation to the orifice as to facilitate a mixing of air with the discharged...
3908702 Mixing fluid components  
Portions of fluid components are mixed during transport through a tube by continuously disturbing their flow pattern in a controlled manner during their passage through the tube. The disturbance is...
3908696 Metering of trace amounts of fluids for producing low concentrations thereof in carrier fluids  
Three releasibly, physically, but not fluid conductively interconnected tubes provide for the immediate environment of a capillary duct. The entrance of the capillary is in a first one of the tubes...
3902601 One piece cyclone cone  
A one piece cyclone cone is provided with a flange for securing its upper end to the separation chamber of a cyclone. The cone is made of molded polyurethane plastic which is thickened at the wear...
3894562 Fluid flow controller  
A device is disclosed which is capable of being inserted in a liquid carrying pipe line for limiting the flow of the liquid to a predetermined rate. The device comprises a housing having a bore...
3893451 Pressure transmission device  
Pressure transmission tube for medical or veterinary use, adapted to be filled with a liquid substance constituting the pressure transmission medium. Said tube comprises along at least one portion...
RE28425 Title is not available  
3883324 Method and apparatus for agglomerating dry dust particles in a gas stream and separation  
Method and apparatus for improving the efficiency of dry dust recovery from moving gases. A constriction is located in a duct carrying "dirty" gas from a dust-producing industrial operation, such...
3877895 Method and apparatus for removing water vapor from high pressure steam lines  
An assembly comprising an orifice plate having a restriction designed to provide a substantial pressure drop in a steam line is disclosed. A first compressible spiral wound gasket consisting of...
3877488 Venturi scrubber expansion joint  
A water-seal expansion joint is located proximate the throat of a venturi scrubber and a flow of sealant water is permitted into the venturi throat region.
3877248 REFRIGERANT EXPANSION DEVICE  
A refrigerant expansion device comprising a body portion having an expansion conduit extending therethrough, the entrance to the device being planar and generally perpendicular to the direction of...
3859853 PRESSURE TAP CONNECTION  
In a fluid flow rate measuring arrangement for use in relatively large pipes, the pressure tap at the throat of a venturi is connected to a circumferentially offset pressure take-off fitting in the...
3858891 RESILIENT SEAL  
A seal is provided having a capability of sealing with resilient, non-abrasive contact against a surface defining the boundaries of either an exit or access for fluid flow in a high temperature and...
3841568 STREAMLINED FLOW IN FLUIDS  
A device for inducing streamlined flow in a fluid moving within a conduit is provided. The device comprises at least one rigid baffle element adapted to be interposed in the flow path of the fluid,...
3841270 FLOW RESTRICTOR FOR AN EVAPORATOR  
Each evaporator tube in a waste heat boiler has a flow restrictor disposed in the inlet thereof, the flow restrictor has a small diameter inlet end which converges into a smaller diameter...
RE28090 Title is not available  
3822592 INTEGRAL ORIFICE ASSEMBLY FOR HEAD METERS  
An orifice assembly serving as a primary element of a head flow meter whose secondary element includes a pressure capsule having a pair of pressure chambers disposed within a housing and coupled to...
3817287 ORIFICE FITTING  
There is disclosed an orifice fitting having a flowway connectible in a pipeline and an orifice plate removably disposable across the flowway.
3809127 TWO POSITION LIQUID FLOW CONTROL VALVE  
A two position liquid flow control valve comprising a piston connected to a intle. Movement of the piston causes the pintle to move into or out of the throat of a cavitating venturi thereby...
3806036 FLUID EMITTER WITH FLOW REVERSAL AT EMITTER GROOVE INLET  
A fluid emitter of the kind used in irrigation has a flow restricting passageway for providing a small controlled flow of fluid from a conduit. A flow reversal member at the inlet to the restricted...
3806031 SNAP-ON EMITTER  
A fluid emitter of the kind used in irrigation provides a small controlled flow of fluid from a conduit and has a snap-on connection for quickly connecting the emitter to the conduit. The emitter...
3805612 ORIFICE FLOW METER  
An orifice flow meter provided with an orifice plate which has a radially extending fluid pressure measuring channel formed therethrough, with one end opening to the throat of the orifice plate....
3798345 OIL FILLED ELECTRIC SUBMARINE CABLE WITH OIL DUCT RESTRICTORS  
An oil-filled, electric, submarine cable having an oil duct with a plurality of water blocking restrictors, e.g., blocks or diaphragms with holes of the size which prevent the passage of water...
3789880 POROUS METAL FLOW CONTROL SPOOL  
A flow control spool having first, second, and third separate cylindrical spool parts, and a pair of porous metal discs arranged in the second spool part for controlling the flow in a flow path...
3780982 CONTROL PORTS FOR GATE VALVE STRUCTURE  
A gate valve structure having a slab gate with a relatively large diameter main port or bore therethrough and a plurality of relatively small diameter bores adjacent the main bore. Upstream and...
3778039 WATER INJECTION SYSTEM  
A system for injecting water into the boost venturi of a carburetor for ultimate introduction into the combustion chambers of a gasoline type combustion engine. The water flow is metered through an...
3774645 FLANGE-FREE VENTURI NOZZLE INSERT  
A flange-free venturi element for use in producing differential pressure for measurement of fluid flow in a conduit which is adapted for welded insertion into a conduit. The insert also has special...
3766946 FLAME ADJUSTING DEVICE FOR GAS LIGHTERS  
A flame adjusting device of a gas lighter has a disk in the conduit between the fuel tank and the burner valve, which disk is porous and substantially incompressible and is provided with at least...
3750710 VARIABLE FLUID ORIFICE  
A restrictor is described which includes a resilient plate with portions cut to define flexible vanes which deflect with increasing pressure to form an orifice the effective area of which increases...
3749122 SYSTEM FOR INSTALLING FLUID ELEMENTS IN CONDUIT CIRCUITS  
This invention relates to the construction of elements of fluid circuits such as: check valves, pressure and flow regulating valves, circuit breaking valves, restrictors, filters and the like. The...
3739983 MULTI-JET SPRAY NOZZLE WITH A MOVABLE SHUTTER MEMBER  
A spray nozzle for expelling a jet of fluid, particularly suited for use in massaging the gums by the use of a liquid and for cleaning the teeth, comprises a nozzle body which defines an inner...
3733903 DIFFERENTIAL PRESSURE PRODUCING FLOW METER  
The disclosure concerns fluid flow metering devices of the differential pressure producing type comprising a tube of polygonal, preferably rectangular, cross section which defines a converging...
3733902 MINIMUM LENGTH HIGH QUALITY DIFFERENTIAL PRESSURE PRODUCING FLOW METER  
The disclosure concerns fluid flow metering devices of the differential pressure producing type comprising a tube which defines a throat and a converging section for guiding fluid thereto from an...
3733901 FLOW METERING DEVICE OF THE PRESSURE DIFFERENTIAL PRODUCING TYPE  
The disclosure concerns fluid flow metering devices of the differential pressure producing type comprising a tube of polygonal, preferably rectangular, cross section which defines a converging...
3733057 IN-LINE FLUID MIXER  
An in-line spiral mixer characterized by successive left and right hand spaced spiral vanes disposed within a cylindrical tube. Each of the vanes comprises at least two separate parts with a...
3730673 VENT SEAL  
A vent seal is provided for use with vent stacks, blow down lines, flare systems and the like to prevent entrainment of air into the stack which comprises a diode interposed in the stack below the...
3724502 GAS PRESSURE REDUCING RESTRICTORS  
A restrictor for reducing the pressure of a fluid comprises essentially many layers of wire mesh in the path of fluid flow and some arrangement for defining a flow path which increases in cross...
3712341 ANTICAVITATION DEVICE  
A flow separator is placed along the axis of a vertical duct and has a radial enlargement which is in contact with the internal duct wall. The duct is thus separated into a lower region and an...
3687493 THREADED CONNECTION  
A threaded connection wherein an externally threaded member provided with a rubber gasket and a fluoroplastic protective ribbon is joined to an internally threaded member in a pressure-tight assembly.