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7621128 |
Combined EGR valve and cooler by-pass
The present invention is an exhaust gas recirculation (EGR) valve for an engine having an exhaust gas recirculation cooler operable for receiving exhaust gas from an exhaust, and delivering the...
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7044158 |
Continuous filtration systems using pump, venturi and flow control valve
Continuous filtration systems comprising a venturi, flow control valves, filter and pump. In one specific embodiment the flow control valve and venturi are combined hereinafter referred to as a...
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6843264 |
Multi-phase pressure control valve for process chamber
A new and improved, multi-phase pressure control valve for facilitating quick and accurate attainment and stabilization of gas pressure inside a semiconductor fabrication process chamber such as an...
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6810910 |
Valve and arrangement for fire suppression system
A valve and valve arrangement for a fire suppression system includes a remotely controlled valve such as a solenoid valve which is electrically controlled to provide a preselected flow through the...
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6588442 |
Servo operated rotary valve with emergency bypass and method of making same
A motorized rotary water valve has an integrally formed one piece motor housing and emergency bypass channel. A solenoid operated valve is integrally provided on the bypass channel and is spring...
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6206034 |
Valve with integral flow switch
A valve has an integral flow switch with a passageway provided through the valve member such as a butterfly disk to an inlet of the flow switch. An outlet of the flow switch communicates with the...
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5927326 |
Multi stage type flow rate switching device
A multi-stage type flow rate switching device is provided which simplifies switching of flow paths and which rarely causes erroneous operation. The multi-stage type flow rate switching device...
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5647389 |
Indexable latching handle assembly for quarter-turn rotary valves
An indexable latching handle assembly for quarter-turn rotary valves which permits the arc of operation to be oriented as necessary to avoid surrounding obstacles and enhance ease of operation....
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5485868 |
Fast acting high output valve
A fast-acting high-output valve is provided comprised of a valve body covering an opening, a means for applying a force to the center of said valve, and a means for transforming said force to...
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5449143 |
Air vent control apparatus
An air vent includes a louver blade rotatable to adjusted positions by a motor. A control mechanism which connects the motor with the louver blade includes a control member connected to the motor,...
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5305790 |
Ball valve
A ball valve has two mutually orthogonal diametrical internal passages in one of which is mounted a pressure relief valve assembly for resisting sudden pressure flucutations in fluid flow during...
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5255706 |
High-pressure ball valve with internal pressure equalization
A fluid control valve includes a valve body having an inlet and an outlet and a control member in the valve body externally operable by a movable operating member. The control member is pivotable...
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5232018 |
Parallel porting valve assembly
A parallel porting valve assembly having a parallel valve body. The parallel valve body forms an inlet channel cavity and an outlet channel cavity. A plurality of plug valves are each mounted...
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5103862 |
Valve and arrangement for fire suppression water sprinkle system
A valve and an arrangement for testing and draining a fire suppression water sprinkler system includes a valve which has a valve member with first, second and third ports. The selective rotation of...
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5095943 |
Flow path switching apparatus in steam trap
A flow path switching apparatus in an automatic regulating valve includes a base having a fluid inlet and a fluid outlet which are connected to pipes, and an automatic regulating valve portion...
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5029470 |
Device for measuring or metering and regulating the mass of a flow of gas
The invention pertains to a device for measuring and regulating the mass of a flow of gases by means of a bypass system with a sensor capillary element, a regulating valve, and an electronic...
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4915132 |
Gas regulator selector valve
A selector valve for use with a hospital vacuum on position in pressure module to supply vacuum or pressure to a utilization means. The selector valve has two or more positions and includes a...
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4848401 |
Isolation chamber valve
The invention relates to an isolation chamber valve. The isolation chamber valve of the invention includes, for connecting its inlet passage and its outlet passage, a by-pass circuit of small...
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4742849 |
Angled pneumatic connection including means for regulating a one-way flow
In an angled connection in accordance with the invention, the one-way flow of fluid at a restricted flow rate is provided in a direction opposite to direction F by co-operation between a wall (23)...
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4628961 |
Multiple orifice stepper control valve
This invention relates to a control valve including a plurality of rotary closure members respectively blocking and opening a plurality of flow passages extending from one port opening to another...
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4624281 |
Control valve
A control valve comprises a body having a fluid inlet and a fluid outlet and a rotary member provided with two separate internal passages, each capable of connecting the fluid inlet to the fluid...
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4345622 |
Control and cut-off device for flowing media
Control and cut-off device for media flowing to consumer apparatuses and flow back therefrom. For example, dosing equipment, ventilation assemblies, heating and cooling arrangments, among which...
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4158369 |
Hold-back valve for single release air brakes
A hold-back valve for single release air brakes includes a plug valve member in a chamber of a valve body and rotatable between at least two positions to establish paths of different resistance to...
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3956073 |
Coke oven gas and liquor collecting apparatus
Coke oven gas collecting apparatus includes separate gas and liquor collecting mains for charging gas and coking gas connected to the standpipe through a rotary vane liquor seal valve.
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3942499 |
Carburetor improvement system and apparatus
The system and apparatus herein incorporate means for effectively and significantly reducing the liquid components of the fuel mixture passing through a cylinder located between the carburetor and...
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3874409 |
SELECTOR VALVE
A pneumatic system with an air pressure gauge and a selector valve for selectively connecting the air pressure gauge for providing air pressure readings of the minimum, maximum and average pressure...
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3795260 |
THREE WAY VALVE FOR FLOW REGULATOR CONNECTED TO MOISTURE ANALYZER
A three way valve having ports No. 1, No. 2 and No. 3 is connected to a flow regulator for a moisture analyzer. Port No. 1 is the inlet port for gas. Port No. 2 is connected to the inlet of the...
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3794071 |
BALL TYPE BRAKE CYLINDER RETAINER VALVE
This invention relates to a three-position sealed ball-type brake cylinder pressure retaining valve device, for connection to the exhaust passageway of a railway vehicle brake control valve device....
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3743460 |
ADAPTER FOR COEXTRUSION APPARATUS
An extrusion die for the production of multi-layer flat films of thermoplastic sheet material wherein the die is selectively adjustable to change from a three-layer laminated film to a two-layer...
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3701363 |
SCUBA VALVE
The reliability of a reserve air supply for underwater diving can be greatly improved by using a rotary valve arrangement for releasing air through a parallel passage. The actuation of such a valve...
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3653406 |
BRAKE CYLINDER PRESSURE RETAINING VALVE
This invention relates to a three-position sealed ball-type brake cylinder pressure retaining valve device, for connection to the exhaust passageway of a railway car brake control valve device,...
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3292660 |
Gas valve
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3058488 |
Rotary valves
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3007490 |
Rotary valve control
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2987078 |
Gas valve
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2985189 |
Seals for valves and the like
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2966926 |
Meter flow valves
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2961000 |
Rotary disc valve
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2912011 |
Valve structure
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2898935 |
Water hammer relief device
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2813545 |
Inline control valve
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2781779 |
Gas range burner control
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