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6962167 |
Choke valve
A choke valve having a coarse setting choke means and a fine setting choke means placed in parallel to it. The coarse setting choke means is able to be switched over in stages between different...
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6269831 |
Precision volumetric measuring and mixing apparatus
An apparatus for mixing a first liquid with at least a second liquid includes a tank having a mixing chamber to which is connected a first and a second supply line from each of a first and a second...
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5938425 |
Method and device for control of the flame size of gas-fired cooking or baking appliances
A device and a method for the controlled reduction of the gas flow Q fed to a burner nozzle of a gas-fired cooking or baking appliance via a gas supply pipe. The gas supply pipe is branched into a...
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5520333 |
Tube metering control system
Method and apparatus for dispensing a liquid agricultural agent at a desired rate. A source of the liquid is pressurized and passed in parallel though at least one regulating capillary tube of such...
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5411059 |
Multiple flow rate fluid control valve assembly
A multiple flow rate fluid control valve assembly in which the mode of fluid flow is interfaced with the rate of fluid flow has a mode control valve having a switch for selectively setting the...
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5273070 |
Water treatment apparatus
Water treatment apparatus having a raw water inlet and a treated water outlet and at least a first and second water treatment tank plus conduit means for passing water from the inlet to the outlet...
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5247964 |
Valve with redundancy on closing
A valve with redundancy on closing comprises a single valve body, first and second substantially hemispherical hollow valve members disposed inside said valve body, each including an orifice...
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5150690 |
Flow control system
A flow control system for use in a compressible fluid-fueled internal combustion engine includes a fluid metering device comprising a plurality of fluid lines for communication between an inlet...
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5069188 |
Regulated canister purge solenoid valve having improved purging at engine idle
Improved idle purging is obtained in a regulated canister purge solenoid valve by communicating the atmospheric chamber space of the regulator mechanism to atmosphere through the canister and...
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5056554 |
Fluid loss, damage prevention and control system
A control system apparatus for a fluid distribution system includes a low-voltage circuit and a positive displacement disc in a throughput line such that as fluid displaces the positive...
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5046686 |
Clack valve and flap valve with a controlled valve as well as aircraft with controlled valve of this type
A controlled valve with clack valve and a clack valve including a controlled valve, as well as an aircraft with a controlled valve of this type, are disclosed. The disclosed controlled valve has a...
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4930552 |
Drain standpipe
A washing machine standpipe that has a drainage outlet in Lifting on an inner tube inside the standpipe uncovers a lower opening on the standpipe, allowing trapped water to escape. When the lower...
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4868363 |
Apparatus for supplying a working fluid in an electric discharge machine
A working fluid supplying apparatus of an electric discharge machine comprises a main pipe and a branching pipe for connecting a pump for increasing a working fluid in pressure and delivering the...
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4709858 |
Digital flow control system
An arrangement for controlling the flow of fluid in which the fluid is allowed to flow through a selected number of parallel paths of various flow capacities as determined by restricting orifices...
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4664146 |
Combination economizer valve and locking means for oxygen supply system
A combination device for flow-regulation in an oxygen supply system, providing in a unitary device providing both an economizer valve which automatically and safely vents oxygen when the patient's...
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4656827 |
Fuel metering system for a gas turbine engine
A fuel metering system for a gas turbine engine is disclosed which includes two rotating flowmeters connected to the fuel supply circuit in parallel. The speed of the flowmeters are controlled by a...
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4653530 |
Fuel control value construction, parts therefor and methods of making the same
A fuel control valve construction, parts therefor and methods of making the same are provided, the construction having a housing provided with an inlet adapted to be interconnected to a fuel source...
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4644967 |
Fluid flow control system
Disclosed is a dual output, pressure responsive, adjustable, fluid flow control system. It includes first and second flow networks coupled in parallel flow communication, the networks each have...
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4643224 |
Alarm test device for a sprinkler system
An alarm test device for a sprinkler system incorporates test and drain valves, together with a sight glass and a metering orifice into a single test valve, with the option of employing a plug...
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4643002 |
Continuous metered flow multizone air conditioning system
In a multizone air conditioning system, a controlled leakage of refrigerant is provided from the high pressure side of the system to an inactive fan coil circuit to raise the pressure therein, such...
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4609011 |
Flow control valve
A new flow control valve comprises valve openings, having valve seats opened and closed by poppets, provided in fluid passages extending from an inlet port to an outlet port in the valve body, and...
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4518011 |
Control valve unit for the cylinder of a fluid actuator
A control valve cartridge which may be seated within the end plate of an actuator cylinder has a number of two way, two position solenoid valves placed in series axially and by way of which the...
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4374785 |
Metering device for fuel control system
A metering device for a fuel control system includes a block having a pair of parallel transverse bores which are interconnected to a pair of parallel longitudinal bores so as to provide a...
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4285339 |
Electronic closed loop servomechanism and electronic scuba regulator therefor
An electronic closed loop servomechanism for sensing a physical force such as ambient pressure and electronically powered means for performing useful work controlled by said servomechanism. The...
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4256100 |
Flow control equipment
An anesthesia ventilator is disclosed for controlling the flow of air and/or oxygen through a plurality of binary weighted valves from a fluid regulator source to a bellows assembly. Directly-set...
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4248263 |
Digital fluid flow control apparatus
A core removably fits into an open cavity with an outer casing. The walls of the cavity and the core define an upstream manifold, a downstream manifold, and a planar manifold separating partition...
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4207919 |
Digital fluid flow control system
An upstream fluid chamber adapted for fluid flow in a given direction is interconnected to a downstream fluid chamber by a plurality of individually actuatable digital valve elements disposed in a...
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4191215 |
Digital fluid flow rate controller
A precision digital flow rate control system particularly suitable for controlling the flow of an inert gas into the atomizing furnace of an atomic absorption spectrometer. The selection of the...
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4170245 |
Digital control valve
A digital valve has a valve body with an inlet passage and two outlet passages straddling the inlet passage. A plurality of slots are cut in the body connecting the inlet passage to each outlet...
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4164959 |
Metering valve
An axial flow metering valve includes a valve body having an inlet, an outlet, a valve chamber therebetween and a passage for fluid between the inlet and the valve chamber. A valve member is...
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4061156 |
Transition module for a pneumatic sequencer and an associated sequencer
The transition module is intended to be assembled with at least three action modules constituting a sequencer and comprises an elementary logical gate having two inputs and one output, two inputs...
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RE29383 |
Digital fluid flow rate measurement or control system
A plurality of individually actuatable, value weighted digital bistable valve elements in parallel interconnect a fluid source to a fluid receiver. A linear relationship is preferably maintained...
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4000607 |
Fluid control valve and method
Method and apparatus for metering fuel flow to a gas turbine engine includes a first bifurcated movable metering element straddling a pair of opposed metering openings and shiftable to adjust the...
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3963146 |
Liquid-dispensing installation
A liquid dispensing installation includes an air separator, a volume-meter, a main flow valve in a main conduit, and a bypass valve in a conduit which bypasses the main flow valve. The main flow...
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3937248 |
Fluid flow control system employing a plurality of digital valve elements
An upstream fluid chamber adapted for fluid flow in a given direction is interconnected to a downstream fluid chamber by a plurality of individually actuatable digital valve elements disposed in a...
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3889711 |
Low pressure operable, diaphragm type logical element
A low pressure operable, diaphragm-type logical product AND element includes a plurality of parallel pressure relief passages each of which may be closed by an external signal-actuated diaphragm to...
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3726296 |
FLUIDIC CONTROL SYSTEM AND METHOD FOR CALIBRATING SAME
A source of a fluid at a constant pressure is coupled to a manifold and the manifold is coupled to a receiver of the fluid at a constant pressure lower than the source pressure. One of the...
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3679193 |
VALVE PACKING FOR METALLURGICAL SHAFT FURNACES
A valve construction particularly for closing the connection of a charging hopper to the furnace throat of a blast furnace comprises a valve seat for the hopper which is arranged in a recess...
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3640311 |
CIRCULATING VALVES
A valve for controlling the circulation of condensate in which two telescopically disposed shells are interposed between the inlet and the outlet of the valve, one of said shells being movable in...
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3556129 |
TWO-STAGE FLUID FUEL CONTROL VALVE
This disclosure relates to a control valve for metering liquid fuel to a burner. It includes a pressure regulator that receives liquid at superatmospheric pressure and delivers it to a first...
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3526248 |
RETAINER VALVE
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3493006 |
PRESSURE CONTROL UNIT
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3474826 |
FEED PANEL
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3466004 |
INTERVAL TIMER FOR PNEUMATIC LOGIC SYSTEMS
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3463188 |
SHOT SPEED CONTROL VALVE AND METHOD OF CONTROLLING THE SPEED OF A SHOT CYLINDER RAM
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3441249 |
FLOW CONTROL VALVE
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3433257 |
DIAPHRAGM TYPE FLUID LOGIC LATCH
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3229816 |
Flow control fitting
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3221773 |
Fluid valve
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3217885 |
Automatic water treatment system
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