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Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 251/33 - Choked pressure type servo motor


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter in which the servo-motor is of the type having
No. of patents: 63
Last issue date: 04/10/2007


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NumberTitleIssue Date
7201359Manual pressing device for a flusher
A manual pressing device for a flusher includes a stop ring, a pressing rod unit, a spring, and a nut. The manual-pressing device is located in a lateral hole of the body of a flusher, normally stopping water in the flusher or pressed to connect a lengthwise hole in...
04/10/2007
7137406Self-cleaning filter
A self-cleaning filter for use in a valve is disclosed. The valve can include a bore, an orifice disposed in the bore for accommodating a fluid flow therethrough, and a filter disposed in the bore between the input port of the fluid flow being filtered and the orifi...
11/21/2006
7131629Composite valve for gas supply system
An automatic-and-manual operation composite valve includes a valve main body into which an air is supplied and from which the air is discharged, a piston provided within the valve main body to be vertically movable by means of the air supplied or discharged and a sn...
11/07/2006
6997165Pressure control valve for a fuel system
A valve has a housing defining an interior of the valve. The valve has a first passage in the housing and a second passage in the housing. The valve has a flow limiter movable between a first position at which the first passage is in fluid communication with the sec...
02/14/2006
6976638Fuel injection system for an internal combustion engine
A fuel injection system having one high-pressure fuel pump and one fuel injection valve communicating therewith for each engine cylinder. A piston of the fuel pump defines a work chamber which communicates with a pressure chamber of the fuel injection valve, which v...
12/20/2005
6955307Deposit control in fuel injector nozzles
An injector nozzle for a fuel injected internal combustion engine, said injector nozzle including a port (5) having an internal valve seat surface (15) and a valve member (13) having an external seating surface (17), said valve member bei...
10/18/2005
6938873Compound valve assembly for controlling high and low oil flow and pressure
A compound valve assembly for controlling oil flow includes a first and a second valve. The first valve is a pressure relief valve including a spring-biased plunger in a side gallery opening off a primary oil supply gallery leading to a pressure-actuated device. The...
09/06/2005
6857618Device for controlling a gas exchange valve
An apparatus for controlling gas exchange valves includes at least one valve positioner, associated with a gas exchange valve, and a pressure supply device which supplies the valve positioner with a fluid under high pressure. The valve positioner encompasses a worki...
02/22/2005
6557822Dynamically stable flow amplifying poppet valve
A flow amplifying poppet valve is useful in hydraulic circuits requiring low leakage when in a loaded condition. Undesirable pressure fluctuations effect the stability of the poppet. Tilting of the poppet valve within the bore increases friction that degr...
05/06/2003
6457696Pilot operated flow regulating valve
A pilot operated flow regulating valve has pressure governing chamber receiving a moveable pressure receiving member for common movements together with a main valve member of the pilot operated flow regulating valve in relation to a fixed valve seat and b...
10/01/2002
6328275Bidirectional pilot operated control valve
A pilot operated valve is provided to control a bidirectional flow of fluid between two ports. A main poppet selectively controls flow of fluid between the ports in response to pressure in a control chamber on one side of the main poppet. A pilot passage ...
12/11/2001
6315266Pilot-operated flow regulating valve
In a silently operating pilot-operated flow regulating valve, a main valve element is not allowed to vibrate freely, e.g., in lateral direction in an opened state and cannot constitute a noise source because while the main valve element is brought into it...
11/13/2001
6289859V-shaped internal combustion engine
A V-shaped internal combustion engine in which banks of cylinders are V-shaped relative to each other and in which an intake manifold 40 is disposed between the V-shaped banks of cylinders, wherein a hydraulic pressure control valve 50 for controlling hyd...
09/18/2001
6241211Plate valve
The invention relates to a plate valve (1) as used for the actuator of a control valve. It comprises an inlet (2) with a sealing seat (3) around which the openings of the outlet (7) are arranged, and it has two plates (4), (5), between which there is an i...
06/05/2001
6168132Injection valve with control valve
The injection valve has a control valve with a control chamber in which a closing member is disposed. The closing member is pressed against a corresponding sealing seat by a pressure (e.g. fuel pressure) in the control chamber. The closing member merges i...
01/02/2001
6126138Pressure reducing valve and continuously variable transmission with control arrangement using same
A pressure reducing valve and a continuously variable transmission comprising an output pressure feedback loop operatively connected to provide proportional control of an output pressure of a flow of fluid passing through the pressure reducing valve in re...
10/03/2000
6073651Damped valve
A valve includes a device for shutting off a valve interior. The shutoff device is positioned by a piston which is guided in a cylinder and forms a first chamber and a second chamber in the cylinder. The second chamber communicates with the valve interior...
06/13/2000
6059205Sealing device between two cavities at different pressures, for example, in an internal combustion engine fuel injector
The injector has a hollow body carrying a nozzle, and a metering valve hag a valve body housed in a cylindrical seat of the hollow body. The valve body has a distribution cavity for distributing high-pressure fuel to a control chamber of the valve, where...
05/09/2000
6041815Enclosed indicator for a piston in a control valve
A system for indicating a position of a piston inside a cylinder of a control valve. The indicator of the present invention has an enclosed shaft which prevents the use of the shaft to tamper with the piston. The position of the shaft inside a shaft housi...
03/28/2000
5992450Cartridge valve having solenoid bypass and integral relief valve
A pump assembly (33) including a cartridge valve assembly (39) having a poppet member (69) biased toward a closed position (FIG. 4) when a pilot portion (51) is closed, under the influence of an electromagnetic actuator (53), so that flow entering an inle...
11/30/1999
5887847Digitally controllable flow rate valve
A digitally controllable valve has a main valve member mounted on a diaphragm for movement sealing and exposing a main valve seat. A flow restriction on the main valve member varies the flow rate as a function of displacement of the main valve member from...
03/30/1999
5797582Distribution device for feeding a capacitor with gaseous fluid
A dispensing device (1) for supplying a gaseous fluid (3) to a space (2) and abruptly emptying said space (2) to deliver its contents to an apparatus (4) once the supply has been cut off. The device (1) is characterized in that to reduce the fluid pressur...
08/25/1998
5769386Electromagnetic proportional pressure control valve
An electromagnetic proportional pressure control valve includes a housing having at least one fluid inlet port and fluid outlet port and a passage for communicating between the ports. A spool is slidably accommodated in the housing for opening and closing...
06/23/1998
5749559Device for controlling a spacecraft by gating gas via a moving nozzle
A device for controlling a spacecraft by gating gas, the device comprising a nozzle, a gas feed duct, a gate having a seat and a plunger interposed between the feed duct and the nozzle, and control means for opening and closing the gate in order to put th...
05/12/1998
5462252Spill valve for a fuel pump
A spill valve for a fuel injection pump includes a valve member movable towards a seating to prevent spillage of fuel from the pumping chamber of a fuel injection pump. The valve member is actuated by a piston against which fluid pressure can be applied t...
10/31/1995
5435019Pressurized toilet flushing assembly
A pressurized flushing assembly mounted in the tank of a toilet for providing a rapid and thorough flushing of the toilet bowl with a low volume of water. The assembly includes a water storage tank defining an outlet aperture communicating with the cister...
07/25/1995
5417402Shutoff and pressure regulating valve
A fluid pressure control apparatus having a main valve and a pilot valve for moving the main valve to a shutoff position as a function of the fluid pressure in a supply fluid. The pilot valve is connected to receive supply fluid having a fluid pressure Ps...
05/23/1995
5348269Inline pneumatic/mechanical flow control valve system
A timed watering system for lawns, gardens, and the like, utilizing a flow actuated timer valve. The system is configured to provide a reliable and cost effective, easily implemented system for automatically dispensing a pre-determined amount of water on ...
09/20/1994
5323832Valve actuator for a soft drink dispenser station
An improved valve actuator is provided to operate a liquid dispenser valve of the type used in a soft drink dispenser station or the like. The dispenser station includes a pressurized supply of carbonated water for regulated delivery through a water dispe...
06/28/1994
5292103Drain valve
A valve (10) for draining liquid from a reservoir, for example, the reservoir (56) in the base of an evaporative cooler (50). The valve (10) comprises a housing (12) having a first inlet (14) for supplying a pressure transmitting fluid, for example water,...
03/08/1994
5241711Pressurized toilet flushing assembly
A pressurized flushing assembly mounted in the tank of a toilet for providing a rapid and thorough flushing of the toilet bowl with a low volume of water. The assembly includes a water storage tank defining an outlet aperture communicating with the cister...
09/07/1993
5213304Valve
A buffered valve having a longitudinal passage leading to a valve chamber. The valve chamber is divided by a spacer into a front and rear chamber which are connected by a port in the spacer. A normally closed main valve member is in the front chamber whic...
05/25/1993
5176358Microstructure gas valve control
A flow control device includes a housing with separate main flow and flow control (servo) passages between an inlet port and an exit port. A control chamber in the housing is in fluid communication with the servo passage. A flexible membrane forms a parti...
01/05/1993
5174545Contamination resistant bleed valve
A bleed valve (20) includes a reciprocating sliding element (42) with a circular head (48) joined to an annular wall (50). An annular first chamber (52) defined by the wall (50), the head (48), and the central support (30) has a variable volume dependent ...
12/29/1992
5172831Valve actuator for a soft drink dispenser station
An improved valve actuator is provided to operate a liquid dispenser valve of the type used in a soft drink dispenser station or the like. The dispenser station includes a pressurized supply of carbonated water for regulated delivery through a water dispe...
12/22/1992
5101858Gas sealing valve and valve equipped plastic processing installation
The valve needle of a gas sealing valve for plastic processing plants may be controlled by a control valve, which in turn is controlled by a working gas volume in order to prevent formation of internal waviness in injection molded articles even under very...
04/07/1992
5076482Pneumatic point driver
A pneumatically powered point driver utilizes a valve mechanism having a core that is operated by air conducted therethrough from the supply source. The valve core is preferably provided with an enlarged head, to enhance the rapidity and firmness of the a...
12/31/1991
4986512Servo piston valve
A moving valve lid cooperating with a valve seat is provided in a valve body. The lid is connected by way of a spindle to a servopiston moving in a cylinder. The valve seat merges, on the side remote from the side, into a compensating cylinder in which a ...
01/22/1991
4957075Apparatus for controlling inlet of exhaust valves
A hydraulic system for controlling the operation of the intake or exhaust valves of an internal combustion engine. For each valve there is a sealed hydraulic chamber with one plunger driven by a rotating cam to a camshaft and another plunger for actuating...
09/18/1990
4836245Control valve
A control valve including a change-over poppet formed into a substantially cylindrical shape, a guide pipe inserted into the change-over poppet, and a load check poppet slidably fitted on the guide pipe. The change-over poppet is formed with a communicati...
06/06/1989
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