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6663352 |
Method and apparatus for dynamically determining vapor pressure in pumping systems
A method and system for dynamically determining a vapor pressure of a fluid passing through a pumping system by diverting a portion of the fluid from the pumping system into a chamber, isolating...
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5922966 |
Air-pack type contact pressure measuring method
While a bag (1) made of a thin, soft, and less elastic material is packed with air and is positioned between contacts of soft materials, a thin tube (2) from the bag (1) is lead to the outside of...
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5795065 |
Temperature-time-pressure detector
A temperature-time-pressure detecting device for a closed heat treatment zone consists of a sealed discoidal-shaped capsule of substantially transparent material adapted for placement within the...
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5357804 |
Device including a planar matrix of fluid filled bags for measuring pressure acting on a support
To measure pressure acting on a support (1), a sealed bag (2) which is filled with a fluid and has flexible bag walls (9, 10), and which is arranged on the support (1) and whose interior...
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5335551 |
Pillow type pressure detector
A pillow type pressure detector having a base board on the front surface of which a load cell type load sensor is mounted; a holder cover which is so provided as to be spaced a predetermined...
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5293780 |
Head-gauge/tank-bladder
A head-gauge/tank-bladder device for measuring the pressure of liquid within a tank. The invention provides for measuring the tank pressure while maintaining the gauge isolated form the liquid...
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5260692 |
Control device for fluid containers of flexible material
A control device for fluid containers (16) of a flexible material, particularly for controlling the level of stomi bags, comprises an elastic resistance element (10) having an electric resistance...
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5255670 |
Air reservoir
An air reservoir (4) intended for regulating the pressure in the sealing cuff of a respiration catheter has a wall consisting of an elastic membrane (3). The reservoir also functions as a pressure...
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5134889 |
Mechanical transducer
A mechanical transducer is disclosed which includes a converter having a plurality of elongate flexible elements, which are joined together at their opposite ends and spaced at intervals around a...
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5083498 |
Bendable actuator
A bendable actuator includes a tubular body made of an elastic material, a reinforcing braided structure surrounding the tubular body, and closure members closing both open ends of the tubular body...
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4869197 |
Bulge indicating method and device
A method and device for indicating the swelling of a casing or the like having a wall with at least one generally planar portion prone to deformation by pressure buildup within the casing. The...
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4690000 |
Direct-acting pressure sensor
A direct-acting pressure sensor capable in the low-pressure range and including a pressure-sensitive assembly constituted by inner and outer concentrically-arranged curved springs anchored at one...
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4604901 |
Hydraulic pressure receiver
An elongated elastically deformable housing is responsive to external force applied thereto and is connectable to a pressure evaluation device. A rigid tube longitudinally traverses the housing and...
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4502491 |
Apparatus for determining the pressure between a support dressing and a body portion surrounded by said support dressing
An apparatus for determining the pressure between a support dressing and a body portion surrounded by said support dressing comprises a device for sensing the pressure, a device for indicating the...
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4470308 |
Arc scan ultrasonic imaging system having diverging lens and path-length compensator
An ultrasonic imaging system comprises a transducer array including a plurality of elongated piezoelectric transducers successively arranged along a curved surface for emission of diverging beams...
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4424708 |
Fuel cell leak detector
A method and device for leak testing vessels such as fuel cells or tanks which are large enough for a person to move around within holding a small hand held ball or balloon type device which is...
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4421124 |
Pressure detection arrangement
A pressure detection arrangement embedded between the skin of a portion of the body and a means used to surround and/or immobilize that particular part of the body, such as a cast. The pressure...
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4312361 |
Pressure monitoring system for electrofluidic sensing devices
A pressure monitoring system for use with an electrofluidic device for sensing pressure includes a pump for supplying fluid to the electrofluidic sensing device. An electrical switching circuit...
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4287819 |
Source of vacuum and device for maintaining a negative pressure in an enclosure
The source of vacuum comprises a tubular body in which a piston which is combined with a piston rod is axially slidable. A seal is interposed between the rod and the body where the rod extends out...
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4232687 |
Apparatus and method for determining newborn infant feeding capability
The disclosure is directed to a method and apparatus for determining a newborn infant's capability to orally accept nourishment. In accordance with the method of the invention, a test nipple is...
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4216783 |
Pneumatic monitor for indicating strength of contractile muscles
This invention relates to a muscle monitor device for providing a visual indication of the strength of contractile muscles, especially the vaginal muscles. The device is useful both as a preventive...
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4164938 |
Medical pressure gauge and indicator device
The medical pressure gauge and indicator device is for diagnosing the presence of tension pneumothorax in the pleural cavity of a patient. The gauge and indicator device comprises a diaphragm, a...
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4147161 |
Intracranial pressure monitoring method and system
System for measuring or monitoring the intracranial pressure which comprises a non-elastic detecting pouch to be inserted into the space between the skull and the cerebrum, a flexible tube...
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4135494 |
Over-pressure protection device
An over-pressure protection device utilized for limiting the fluid pressure applied to a vein which has been removed from the body and which is being tested prior to transplantation within the...
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4096759 |
Pressure gauge for indicating small pressure changes
A pressure gauge for indicating small pressure changes includes a sac of thin flexible film material communicable with and inflatable by the pressure to be indicated, during use. The sac is...
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4064759 |
Pressure measuring device
The preferred embodiment of the invention disclosed herein comprises a closed glass member including a hollow pressure-sensing portion and a hollow pressure indicating portion communicating with...
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4062354 |
Intracranial pressure transducer system
Intracranial pressure transducer System, wherein a holding bracket containing and supporting sensor elements of the apparatus is surgically positioned, through an opening in the skull, against the...
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4052903 |
Pressure sensor
A cup-shaped elastomeric diaphragm is snugly fitted onto an end portion of a support member which includes internal gas delivery and return passageways. A plurality of ports extend both radially...
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3980082 |
Venous pressure indicator
An intravenous infusion system combined with a venous pressure measuring instrument whereby the system is selectively capable of supplying fluid into the vein of a patient or of measuring his...
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3924519 |
Actuator
An actuating device formed of elastic tubing having circumferential reinforcement therein and having a portion of the transverse periphery with longitudinal cords of tension resistant material...
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3911904 |
Blood pressure manometer
A blood pressure manometer comprising a pneumatic cuff to be wrapped around the limb of a person and, connected to the cuff, a pressure indication system comprising a housing, preferably with a...
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3890962 |
Disposable manometer
A disposable pressure monitoring device which is designed to be discarded after each use. This device utilizes a tube which is separated by a flexible diaphragm, one end of the tube being attached...
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3863505 |
VIBRATING CYLINDER PRESSURE TRANSDUCER
A vibrating cylinder pressure transducer has magnetic drive and pick up coils disposed in a non-magnetic cylindrical wall outside of the vibrating cylinder, all wires leading to and from the...
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3789667 |
FIBER OPTIC PRESSURE DETECTOR
A differential sensor unit precisely monitors ambient pressure within a confined space, such as intracranial pressure of a human patient, utilizing fiber optic light guides. Three light guides pass...
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3774451 |
FLUID PRESSURE TRANSDUCERS
A fluid pressure transducer has a tube of magnetic material which can be subjected internally to a fluid pressure. Electromagnetic stators provide a rotating magnetic field which causes radial...
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3720201 |
DISPOSABLE BODY FLUID PRESSURE MONITOR
A pressure monitoring device is disclosed which is designed to be discarded after each use. This device utilizes a tube which is separated by a flexible diaphragm. One end of the tube is attached...
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3648687 |
DISPOSABLE BLOOD PRESSURE MONITOR
A disposable blood pressure monitor comprising an elongated tubular structure having means on one end of the tubular structure adapted to place the interior of the tubular structure in direct...
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3645136 |
FLUID PRESSURE MEASURING DEVICE
A metal piece is provided with a body portion having a center passageway extending from one end thereof to a point short of the opposite end thereof, such body portion having two flat parallel...
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3633408 |
PRESSURIZED OMNIDIRECTIONAL STRESS TRANSDUCERS GAGE SYSTEM
A system for taking transient subsurface pressure measurements at various depths in solid media. The system includes a source of liquid, a container assembly with a liquid-impervious, distensible,...
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3581734 |
SPHYGMOMANOMETER
Blood pressure-indicating apparatus automatically produces persisting displays of arterial systolic and diastolic blood pressure values. An artery-occluding cuff, and a sensing cuff located distal...
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3556044 |
INDICATING MEANS
An indicating device comprising a housing means having a viewable end means and an expandible element disposed in the housing means, the expandible element having a fixed end and a movable end...
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3546944 |
FLUID PRESSURE INDICATOR
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3527099 |
STRAIN GAGE PRESSURE TRANSDUCER
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3413856 |
Pressure operated driving means
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3400589 |
Reference pressure comparing barometer
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3399564 |
Load cell
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3376750 |
Slack diaphragm fluid gauge
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3371661 |
Sphygmomanometer
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3338099 |
Boiling point indicator
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3327533 |
Pressure responsive vibration devices
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