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7570173 |
Device to dissipate gases created in the event of a quench of a superconducting magnet
Device for dissipation of gases created in the event of a quench of a superconducting magnet has a quench tube and a front sealing element closing the quench tube on the magnet side. The quench...
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7260496 |
Pressure detector and method of diagnosing blockage of impulse lines
A pressure detector for detecting a high side pressure from a high pressure side impulse line and a low side pressure from a low pressure side impulse line includes a high side pressure variance...
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6860988 |
Fluid filtration system with fluid flow meter
A water filtration system incorporating a fluid flow meter has a modular turbine casing assembly in which a turbine is located between upstream and downstream casing elements of identical shape and...
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6688532 |
Controller, temperature controller and heat processor using same
A controller controls a physical variable such as temperature of a controlled system. A variable calculator calculates and output a manipulated variable on the controlled system based on of a...
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6441744 |
Regulator diagnostics system and method
Apparatus for performing diagnostics through a regulator is disclosed. The pressure regulator is disposed in a fluid flow passage and has a throttling element moveable in the flow passage. A stem...
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6331820 |
Explosion proof water flow detector
A paddle type flow detector for an explosive environment is mountable onto a pipe. The detector includes a structure for mounting to a pipe, a substantially sealed switch housing containing an...
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6121884 |
Gas flow detector
A gas flow detector (10) includes a casing (12) with an inlet (14) for connection to a gas source and an outlet (16) for connection to a gas using appliance. Between the inlet and outlet there is...
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6114823 |
Circuit and apparatus for sensing fluid flow
A circuit and apparatus for magnetically sensing fluid flow through a conduit. The circuit includes a sensor and a sensor magnet for biasing the sensor in an on condition. A second magnet...
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6052058 |
Filter integrity monitoring system
A method and system for monitoring integrity of a filter (25) of a smoke or fire detector system. The system has a detector chamber (14) into which light is passed from a light source incorporated...
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5898375 |
Siphon alarm and restarting mechanism
The invention includes a system for monitoring the performance of an automatic dosing siphon utilized in reservoir which is a part of a wastewater treatment system. The siphon includes a bell type...
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5798697 |
Exhaust/supply direction indicator
An apparatus for detecting the flow direction of a fluid from an apparatus or between two apparatuses such as a biohoods, fume cabinets, or filters. The device includes a conduit horizontal plane...
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5650564 |
Fluid drip detection system
A fluid drip detection system which is not prone to false alarms caused by the presence of dirt or solid particle contaminants in the fluid. The fluid drip detector comprises; a conducting hollow...
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5631634 |
Flow and pressure sensor
A pressure sensor assembly includes a disk entirely of metal and having a plurality of circumferentially spaced petals, separated by a plurality of radially extending slots. The slots extend from...
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5583490 |
Rupture disk monitoring apparatus
A monitoring apparatus for monitoring the condition of a pressure relief rupture disk disposed in a pressure relief conduit is disclosed. The monitoring apparatus includes an electrically...
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5410298 |
Fluid flow direction detector
An apparatus for detecting the flow direction of a fluid between two enclosed spaces, such as hospital rooms, includes a conduit extending along a horizontal plane and adapted to receive the fluid....
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5183983 |
Flow switch assembly for fluid flow monitoring
A basic housing for a fluid flow monitoring assembly comprising a sensing leakproof elongate hollow body formed from a non-magnetic, metallic material and pivotally mounting internally of same a...
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5091612 |
Magnetically actuated proximity flow switch
A flow switch adapted to be attached to a pipe is designed to trip a switch at a preset flow rate. The switch employs a bending metal blade which deflects in the flow stream to move a magnet...
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5057821 |
Filter sentry apparatus
An apparatus including a housing secured to a filter web, wherein the housing includes a reciprocating rod directed orthogonally through the housing relative to the filter web, whereupon plugging...
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5049860 |
Two wire flow condition sensing system
A flow sensor for detecting the absence of a minimum fluid flow in a sprinkler system. The fluid acts upon a vane positioned in the fluid path. Movement of the vane controls the position of a...
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5021619 |
Flow responsive switch apparatus
A liquid flow switch apparatus is provided for connection to ducting wherein liquid flows forwardly. The apparatus comprises: a support body connectible to the ducting; a stem carried by the body...
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4958144 |
Water-flow detector
A water-flow detector with an electronic time delay. There is a light-emitting diode and photo-transistor detector pair, a timer comprising an oscillator and a counter, and an alarm relay. The...
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4945344 |
Fluid flow sensor having light reflective slider
A flow sensor for detecting the absence of a minimum fluid flow in a sprinkler system. The fluid acts upon a vane positioned in the fluid path. Movement of the vane controls the position of a...
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4936508 |
Shower head volume meter with alarm signal
A shower head volume meter producing an audible or other alarm for indicating when a predetermined volume of water has been delivered. A polite alarm or "beep" is used after a first volume of water...
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4931776 |
Fluid flow sensor with flexible vane
A flow sensor for regulating the air flow rate to a cooling system can be formed as a housing for channeling the flow through a retangular cavity and a one piece vane of bent metal strip which...
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4906807 |
Apparatus for monitoring the flow of fluid media in a pipeline
An apparatus for monitoring the flow of fluid in the pipeline has a hollow housing with a control element movably supported therein. The control element is movable under the action of the fluid...
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4843376 |
Boat drain plug warning apparatus
A plastic paddle is pivotally connected to the operating arm of a microswitch. The paddle is positioned in front of a boat's drain opening. The paddle can be swivelled to one side to allow removal...
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4827092 |
Flow monitor with non-rotatable mounting
A flow meter or monitor arranged on a conduit section through which a medium to be monitored flows includes an actuating element extending through an opening in a wall of the conduit section, with...
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4791254 |
Flow switch
A switch is responsive to fluid flow within a conduit. It is highly sensitive to variations in flow and forms an effective seal between the fluid and atmosphere. It includes a plastic pivot ball in...
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4782333 |
Water-flow detector with rapid switching
A cylindrical shuttle having a cone-shaped cam surface on one end which slides freely on a timer shaft between a first stop and a second stop which are attached to the shaft. A vane arm driven by a...
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4725700 |
Airflow switch for air ducts
An airflow switch for sensing airflow or lack of same in an air duct comprising a housing base, mounting in side-by-side relation an adjustable range spring and a single-pole double-throw snap...
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4449664 |
Air quantity regulating apparatus for air conditioning
An air quantity regulating apparatus for air conditioning according to the present invention has two functions one of which is a constant air quantity function and the other is a variable air...
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4377090 |
Through-flow monitor for liquid or gaseous media
A through-flow monitor of the type which produces a switching signal as soon as the rate of flow through a duct reaches a particular level consists of a generally tubular housing 1 which can be...
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4361189 |
Automatic fire extinguishing and alarm system for mobile homes
A self-contained fire protection system can be supplied in kit form and is specifically adapted for installation by a novice in prefabricated or site built housing, such as, a mobile home, travel...
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4354622 |
Flow control systems
Apparatus for controlling the rate of flow of a powdered solid material such as flour, comprising a load cell supporting an inclined plate onto which the flour particles impinge after falling...
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4295134 |
Liquid flow detecting device
A liquid flow detecting device incorporates a static member arranged to be fixed within a passage through which flow of an operating liquid is to take place and an active member held captive by the...
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4282413 |
Liquid flow indicator
A liquid flow indicator for use in an automatic sprinkler system. The indicator is adapted to be attached to a water line and includes a non-metallic vane retainer or support which is mounted...
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4197809 |
Flow responsive device
A flow responsive device for use in a fluid flow system to establish a signal when a predetermined flow rate is attained within a flow conduit. The device is adapted for connection to a flow...
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4191951 |
Device for sensing fluid forces
A device capable of sensing forces exerted by fluids, particularly liquids, and thus may be used to sense fluid level and fluid flow. Preferred embodiments of the device include a switch means...
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4181835 |
Gas flow indicator having a magnetic field sensitive switch that _is responsive to the position of a magnet secured to a piston
A gas flow indicator including an open-ended cylinder, a piston constrained within the cylinder to move between the ends thereof, and a reed switch positioned on the outside of the cylinder for...
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4143255 |
Device for detecting fluid flow
A tubular section is provided through which fluid can flow. A paddle is mounted in the tubular section and is biased by a spring to a "no-flow" position, at least partially across the tubular...
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4136330 |
Device for monitoring the flow and temperature of a coolant
In an automobile, a device for monitoring the flow and temperature of the coolant in the internal combustion engine, comprising a switch of a supply circuit for an alarm, whose mobile part is...
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4056234 |
Metering device for a powdery material
At the outlet of the duct for the powdery material is provided a movable diaphragm where orifice is adapted to engage a clearing fixed pin when the flow rate of said material reaches a...
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3992598 |
Airflow velocity switch
A switch assembly for sensing velocity of airflow along an airflow path and having a vane for disposition in the airflow. The vane is pivoted in a case of framework and rotational movement of the...
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3878103 |
Metal chip detecting filter device
A device for detecting conductive and non-conductive material present in fluid systems and lines, such as hydraulic, lubricating or cooling systems. The basic device is a woven mesh screen, which...
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3841144 |
SAND DETECTION PROBE
A means for detecting the presence of particulate material, e.g., sand, in a fluid stream flowing through a conduit, said means comprising an acoustical probe which is positioned directly into the...
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3739777 |
INTRAVENOUS FEEDING APPARATUS AND SYSTEM
Improved intravenous feeding apparatus and system is provided which includes a simple mechanism for producing a readily discernible indication should the flow of intravenous solution into the vein...
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3507359 |
LUBRICATING SYSTEM
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3487357 |
BACKUP SIGNAL FOR A VEHICLE
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3474752 |
VEHICLE SPEED WARNING DEVICE
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3446979 |
FLOW INDICATOR FOR DIVIDED SOLID MATERIAL PROVIDED WITH INDICIA RESPONSIVE PHOTOELECTRIC MEANS
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