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6923074 |
Ball valve with flow-rate gauge incorporated directly in the ball
A fluid-flow measuring ball valve includes a replaceable ball within a housing. The replaceable ball includes a flow restriction calibrated to the characteristics of the fluid. Pressure ports on...
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6742399 |
Respiratory flow sensor with flow channel having a measuring transducer and air resistance body
A respiratory flow sensor, which is suitable for use near a patient, covers a broad gas volume flow measuring range with a low breathing flow resistance and good, reproducible measured signal...
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6725732 |
Clothes dryer with safety feature
A clothes dryer with safety feature of lint airflow obstruction detection comprises a frame connectable to a conventional clothes dryer. An anemometer sensor grid connected to the frame. The...
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6349603 |
Fitting for hydraulic flow measurement
A fitting for hydraulic flow measurement includes a fitting housing containing a principal flow duct, a throttle point arranged in the principal duct, a bypass duct for conducting a partial flow...
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6212957 |
Fluid flowmeter and method of assembly
A ball type flowmeter having an external transparent housing on which a flow rate scale is pre-printed, and contained in the housing is a transparent tube having a floating ball, the tube being...
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6119528 |
System for measuring liquid flow through a metering device
A system is provided that accurately measures the quantity of liquid that is transferred through a flow meter. The system is composed of a flow meter with an ultrasonic fluid (liquid) sensor...
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5861546 |
Intelligent gas flow measurement and leak detection apparatus
An intelligent leak test and gas flow measurement apparatus having a body with a conical bore, a center shaft positioned in the conical bore to form a laminar flow gap bounded by the surface of the...
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5820715 |
Method of making flow monitoring line strainer having flow indicating element
A line strainer for screening fluid flow in a small diameter conduit is constructed with an integral housing of clear or transparent thermoplastic polymer. A fluid flow channel through the housing...
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5814738 |
Fluid flow meter and mixer having removable and replaceable displacement member
Fluid flow apparatus, such as a fluid flowmeter, a fluid mixing device or a fluid dispersing device, includes a one-piece fluid displacement member removably mounted in a section of fluid conduit...
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5743270 |
Resistive element for spirometer
The present air tubes include a resistive element which is located in the hollow space of the tubular portion. This resistive element is adapted for providing a linear resistance-versus-pressure...
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5672833 |
Peak flow meter for measuring ventilatory capacity
A peak flow meter has a body forming a chamber along which a piston can be moved against the force of a spring by a subject exhaling through an inlet into the chamber. A slot runs along a side of...
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5596151 |
Pressure compensating device for insulating glass frames
Device for compensating pressure differences between the inside and the outside of an insulating glass frame, including a closed cylindrical hollow body which is arranged, so that its axis is not...
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5565631 |
Non-metallic flow meter float and method
A float mountable on a guide rod in a flow meter site tube including a non-metallic body having a generally cylindrical portion and a generally hemispherical portion. The hemispherical portion...
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5450759 |
Airflow indicator
An airflow (1) having at least one air inlet (8) connectable to a pressurized air supply source; a plurality of air outlets (16) each connectable to a respective air tube; and a viewable chamber...
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5402686 |
Float type flowmeter
A float type flowmeter including a bottom flow-through fitting and an upper flow-through fitting in spaced relationship with the bottom flow-through fitting; and an exchangeable measuring tube...
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5398721 |
Compressed gas integral regulator and flowmeter
An integral gas regulator and flowmeter unit. The unit has a housing body with a high pressure gas inlet, a low pressure gas outlet, and a receptacle. A passage communicates gas to a valve seat in...
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5393281 |
Indicator for an exercising apparatus with a rotating means
A indicator for an exercising apparatus with a rotating element includes a base, a cover being engaged with the base, a blowing device being disposed on the base, a transmission device having a...
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5373746 |
Flowmeter with snap fit mount end caps
An all molded flowmeter assembly that is especially adapted for use in connection with medical and laboratory type equipment applications for measuring and/or controlling fluid flow and is arranged...
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5343763 |
Flow indicator impeller module
A fluid flow indicator module 50 for insertion into a transparent conduit 12, the conduit 12 defining a path of a fluid. The fluid flow indicator module 50 has a transparent housing 52 having a...
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5323654 |
Shielded sight glass
A sight glass placed between two spaced apart confronting fittings and connected to a vessel to show the level of liquid in the vessel is shielded by a novel transparent plastic enclosure. The...
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5078004 |
Flow meter
The apparatus (10) includes a metering tube (18) and a sight tube (22) intersecting the metering tube (18). Fluid communication between a bore (68) formed axially in the sight tube (22) and a...
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4896534 |
Float-type flowmeter
A float-type flowmeter has a flow detecting surface, such as a fin, for pointing its inlet opening, which receives a portion of the flow to be measured, into the flow. Preferably the flowmeter, its...
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4862898 |
Air flow sensor
The invention contemplates an improved air flow sensor including a proximity switch which has a metal disk mounted with respect to the sensing face to be movable by air flow in the action zone of...
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4656874 |
Flowmeter with electronically adjustable measurement module and display
A flowmeter has a vertical flow tube with a float member therein and an electrically illuminatable display to provide a vertically graduated scale. The numeric scale indicia are preferably provided...
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4619139 |
Flow meter with displaceable flow rate indicator
A flow meter includes a transparent tubular housing in which an indicator in the form of a piston having a radially expanded edge cooperates with a tapered inner peripheral wall portion of the...
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4584997 |
Volumetric flow gauge
A volumetric flow gauge is provided for use particularly with ambulatory oxygen users who receive oxygen on a continuous or semi-continuous basis from an oxygen tank communicating to the patient...
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4579124 |
Air flow measuring instrument for speech therapy
A small, portable instrument to measure oral or nasal air flow during speech for both diagnostic and therapeutic purposes. The instrument provides a receptor at one end communicating by an elongate...
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4559834 |
Multipurpose flowmeter arrangement
A multipurpose flowmeter arrangement of simplified construction that may be adapted for a number of different flowmeter applications under both pressure and vacuum conditions, in the form of a...
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4552027 |
Fluid-flow transducer
A high pressure hydraulic fluid-flow transducer 10 has a frusto-conical throat 13 obturated by a valve member 14 which is fixed to a spindle 16 slidingly carried in a bearing 17 which is fixed to...
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4459860 |
Flow sensor with extended low flow range
In a flow sensing device in which flow is measured by the linear displacement of a moveable bobbin within a throat, the bobbin contains a cylinder and piston arrangement, with the piston linked to...
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4440028 |
Protective shield for flow meter sight glass
A protective shield for the sight glass of a flow meter. The flow meter includes an elongated guard having a slot that houses a sight glass, and a flow indicator carried by a float moves vertically...
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4428230 |
Flow gauge ionizer
A gas volume flow gauge is provided with apparatus to ionize the gas being discharged. The gauge has an adjusting valve and a float in a vertical gas passage to indicate the flow rate; an ionizing...
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4368646 |
Flow meter for liquid or gaseous media
A flow-through meter for liquid or gaseous media including a housing through which the medium flows. A floating body is disposed within the housing for movement under the influence of a lifting...
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4317376 |
Flowmeter with one-piece body
A flowmeter comprising a one-piece flowmeter body molded of suitable transparent plastic resin. The body has an inlet and outlet port molded therein with a tapered metering tube extending...
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4317375 |
Flowmeter with pressure release
A flowmeter for monitoring and controlling the flow of gaseous fluid at a predetermined pressure characterized by a body having a sealingly received flowtube in the center surrounded by a cover...
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4302980 |
Anesthesia machine with modular flowmeters
An anesthesia machine is disclosed wherein flowmeters used to denote flow of O 2 and other gases are in the form of precalibrated modules. The modules each contain a flowtube, float and scale and...
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4245513 |
Variable area meter insert unit
A variable area meter unit is described which is self-contained to provide a meter tube in an enclosure and facilitate insertion and location of the tube in a standard support frame. The enclosure...
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4241739 |
Volume calculator for incentive spirometer
An electronic device for use in conjunction with a spirometer for measuring the time interval during which a minimum predetermined air flow is maintained through the spirometer and for calculating...
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4223557 |
Flowmeter
The flowmeter is basically a curved rotameter, having a tapered conduit which is curved in the vertical plane. Inlet and outlet plenum chambers are provided for passing the fluid through the curved...
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4212191 |
Differential pressure gauge
A gauge for measuring differential pressure in an explosive blast wave, w tunnel, or shock tube, utilizes a tubular housing having a conical axially aligned inlet port, a cylindrical cavity which...
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4174733 |
Process gas flow control module
A module which integrates into a single block a process gas flow control system for precisely metering the flow of gas fed into a furnace diffusion tube or other utilization device. The block is...
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4173890 |
By-pass flowmeter
A by-pass flowmeter of coaxial design comprises a transparent outer tube and a rotameter coaxially disposed within the outer tube and laterally spaced therefrom to define an annular by-pass...
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4158360 |
Expiratory flow meter
A peak expiratory flow meter device for indicating airway obstruction in a patient. The device includes an elongated channel arranged perpendicularly to a mouthpiece, at the end of which an...
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4099412 |
Method of measuring the instantaneous flow rate of urine discharge
Instantaneous flow rates of a urine discharge are measured by a rotameter having a flexible conduit connected to the inlet of the rotameter.
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4050305 |
Shield and bracket assembly for flowmeter
A protective shield and bracket assembly adapted to cooperate with a flowmeter in which a variable-area flow tube subject to breakage in the course of operation is supported in an upright position...
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3979955 |
Flowmeter
A flowmeter utilizes an impingement plate as a measuring element, which is attached to yieldably resilient means, such as a tension or compression spring, elastic rubber or the like rod or tube...
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3974857 |
Device for monitoring and adjusting the temperature of multiple cooling circuits
A device for monitoring and adjusting the temperature of multiple cooling circuits in which a monitoring unit with a float-type flow gauge, a temperature gauge and a throttle valve is associated...
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3956933 |
Variable area flowmeter
A flowmeter of the rotameter type wherein a thin-walled variable-area glass tube containing a float is encapsulated in a transparent plastic bar having upper and lower lateral bores therein. The...
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3931737 |
Pulsating liquid flow transmitter
A flow transmitter for monitoring pulsating liquid flow rates, such as intermittent or cyclic impulsion produced by reciprocating pumps, employs a short stroke, variable area flowmeter having an...
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3751971 |
AIR GAGING DEVICE
An air gaging device is provided wherein a regulated flow of air is provided to and through a visual gaging device, which includes a transparent hollow tube supporting a rotormeter tube and...
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