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Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

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Class 251/124 - Venturi restrictor


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter wherein the valve is placed in the throat
No. of patents: 33
Last issue date: 02/16/2010


NumberTitleIssue Date
7661651Apparatus for controlling medium flow
An apparatus for controlling medium flow, especially for controlling dilution liquid flow in connection with the headbox of a paper-making machine or a cardboard-manufacturing machine, which apparatus comprises a valve which controls dilution flow, which valve consi...
02/16/2010
7264224Valve with offset venturi
A valve is disclosed having a valve closing member that divides the valve bore into passageways of unequal cross sectional areas when in an open position. A venturi is positioned within the valve bore upstream of the valve closing member. The throat of the venturi m...
09/04/2007
7264223Flow rate control apparatus
A flow rate control valve comprises a rotary driving source which is rotated by a control signal, a movable member which is displaceable by the aid of a transmitting shaft under a rotary action of the rotary driving source, a valve mechanism which is connected to th...
09/04/2007
7069137Valve flow metering control system and method
A turbine valve control system is provided. The turbine valve control system includes a variable flow metering device, a first sensor, a second sensor, a third sensor, a fourth sensor, memory, and processing circuitry. The variable flow metering device is capable of...
06/27/2006
7044435System for influencing the rheological properties of a transportable material
A system for influencing the rheological properties of a transportable material, especially a free-flowing, pasty or bulk product is associated, or can be associated, with a machine for processing or treating the transportable material in which the transportable mat...
05/16/2006
7043937Fluid diode expansion device for heat pumps
An expansion device for the heat pump applications consists of a flow resistance device that has a different resistance to refrigerant flow depending on the flow direction through this device. The flow resistance device has no moving parts so that it avoids the dama...
05/16/2006
7044434High recovery sonic gas valve
A high recovery sonic gas valve design with the inlet flow entering transverse and orthogonal to the outlet flow is presented. The configuration cancels the effects of the inlet flow entering orthogonal to the axis of the nozzle and diffuser. The inlet passage is cu...
05/16/2006
7036529Arrangement for mixing a first and a second gas flow
An arrangement for mixing a first and a second gas flow, for example, an inlet flow with a exhaust gas return flow in a diesel engine, comprising a line (16) for the first flow, an inlet (7) for the second flow in the line (16), in order to achi...
05/02/2006
6959690Four quarter butterfly valve system
A butterfly valve system has an air cylinder with an internal passageway with an axis. An air control assembly includes a plurality of similarly configured plates positioned within the passageway with shafts mounted for independent oscillation and supporting the pla...
11/01/2005
6817594Grooved valve seat with inlay
A valve seat includes a seat body with an inlay and at least one groove. The seat body has a passage which extends from a first opening to a second opening in the seat body. A channel is located in the seat body adjacent the first opening and extends around at least...
11/16/2004
6666433Grooved valve seat with inlay
A valve seat includes a seat body with an inlay and at least one groove. The seat body has a passage which extends from a first opening to a second opening in the seat body. A channel is located in the seat body adjacent the first opening and extends arou...
12/23/2003
6511041Planar-divergent valve insert
A gas-lift valve includes a valve member having an inner wall defining a flow passage having a longitudinal axis, the valve member having a planar inlet end and an outlet end, the inner wall diverging from the inlet end to the outlet end so that the flow ...
01/28/2003
6446664Erosion resistant wear sleeve for high pressure valves
A throttling choke valve having a wear sleeve lining the interior surface of the cylindrical passage downstream of the valve sealing mechanism. A preferred embodiment of the wear sleeve has a removable retainer ring that fits between the wear sleeve and t...
09/10/2002
6250602Positive shut-off metering valve with axial thread drive
Disclosed herein is a fuel/ignitor valve for metering liquid or gaseous fuel having a servo motor-actuated pintle providing rapid flow rate adjustment response and positive flow shut-off. The fuel flows from an inlet port through a venturi passageway havi...
06/26/2001
6109293Split venturi, axially-rotated valve
The present invention provides an axially-rotated valve which permits increased flow rates and lower pressure drop (characterized by a lower loss coefficient) by using an axial eccentric split venturi with two portions where at least one portion is rotata...
08/29/2000
6026845Flow, split Venturi, axially-rotated valve
The present invention provides an axially-rotated valve which permits increased flow rates and lower pressure drop (characterized by a lower loss coefficient) by using an axial eccentric split venturi with two portions where at least one portion is rotata...
02/22/2000
6016832Valve for controlling gas mass flow
A fuel admission valve for metering gas without using a mass flow sensor. The valve uses a flow control element and nozzle, an actuator, a fuel supply pressure sensor, a fuel supply temperature sensor, a flow control element position sensor, and a flow co...
01/25/2000
5349982Control mechanism for water blasting gun
Mechanism for controlling the flow of fluid between a fluid inlet and a dump outlet, wherein the mechanism includes a dump tube removably engageable with both a valve housing and valve seat, and also a valve member which is removably engageable with the v...
09/27/1994
4593881Electronic expansion valve
An electronic expansion valve comprising a stepping motor, motion conversion member for converting the rotational motion of the stepping motor to a screw motion, a valve pintle coupled to the motion conversion means to be rectilinearly displaced and havin...
06/10/1986
4512548Valve with a device for the attenuation of acoustic vibrations self-excited by the working medium
A valve includes a diffuser for the recovery of static pressure energy. The point of flow separation is stabilized by introducing, into the region where the flow separation point can occur, a volume of the working medium from a portion of the valve having...
04/23/1985
4506860Flow control valve, especially for use in controlling the operation of steam turbines
A flow control valve, especially for use in controlling the operation of a steam turbine, includes a valve seat arranged in the interior of a valve housing, and a diffusor arranged downstream of the valve seat, as well as a valve member which is mounted i...
03/26/1985
4474356Control valve with integral streamlined seating means
A streamlined control valve with integral seating means having a flow characteristic determining contour and being part of a gradually expanding flow path formed between said contour and a movable central valve plug with a streamlined contour facing an or...
10/02/1984
4446887Variable high pressure choke
A variable high pressure choke consists of a hollow valve body having a cylindrical cavity with a closed end, an open end and a cover or closure for the open end, and aligned tubular inlet and outlet portions on opposite sides thereof defining a straight ...
05/08/1984
4446883End loaded valve
An end loaded ball valve having a fluid channel and a ball moving gate with a ball that seats against a valve seat to block passage of fluid through the valve. The valve also includes a removable retainer in the flow channel of the valve. The retainer, wh...
05/08/1984
4413646Streamline coal slurry letdown valve
A streamlined coal slurry letdown valve is featured which has a two-piece throat comprised of a seat and seat retainer. The two-piece design allows for easy assembly and disassembly of the valve. A novel cage holds the two-piece throat together during the...
11/08/1983
4383553Visbreaker letdown valve
A visbreaker, letdown valve is featured which maintains a smooth flow of furnace effluent. Liquid passing through the throat of the valve is throttled, and a portion is caused to flash to vapor. The valve is designed to allow for subsonic flow of the vapo...
05/17/1983
4326697Valves with non-lubricated plug
Valves or cocks with rotary plug in which the plug is provided with flexible gaskets of annular shape located symmetrically with respect to the plane passing through the axis of rotation of the plug and the axis of the cylindrical conduit of the plug, sea...
04/27/1982
4311166Valve assembly for use with high temperature and high pressure fluids
The valve assembly for use with high temperature and high pressure fluids has inner and outer spaced shells and a valve actuator support of inner and outer spaced members which are connected at their end portions to the inner and outer shells, respectivel...
01/19/1982
4300749Throttle valve
A valve body is enlarged to contain the area of throttling vanes which are mounted on actuating shafts; the body is tapered along with the vanes to provide a loss of body area which is uniform to the throat section of the valve body; regulation of the van...
11/17/1981
4176636Internal combustion engine having exhaust emission control system
Air bleeding apparatus for an exhaust emission control system comprising three plates joined face to face. The first plate has a plurality of grooves each communicating at one end with a vacuum source and at the other end with a vacuum actuator for an ign...
12/04/1979
4123238Flow-control nozzle for flue-gas scrubber
A nozzle in a descending discharge duct for hot flue gases has a tubular body of hourglass shape partly obstructed by a vertically movable frustoconical insert which defines a narrow, downwardly diverging annular channel with the lower part of the body ly...
10/31/1978
3952776Fluid flow device
A combustible mixture of air and minute fuel droplets is produced for supply to the cylinders of an internal combustion engine. This mixture is formed by accurately controlling both the atomization of fuel and the mass flow rate of air over substantially ...
04/27/1976
3942553Digital fluid flow control system with trim adjustment
Individually actuatable digital valve elements in parallel interconnect a fluid source to a receiver. In the flow passage of each valve element, there is a converging-diverging nozzle that feeds into the receiver. A trim adjustment screw is movable along ...
03/09/1976
 
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