|
Match
|
Document |
Document Title |
|
|
7386408 |
Parallel kinematic machine, calibration method of parallel kinematic machine, and calibration program product
A parallel kinematic machine has a parallel kinematic mechanism including an end effecter and a parallel link mechanism. A numerical control device controls a position and orientation of the end...
|
|
|
7114367 |
Pulmonary function test calibration system and method
A system for calibrating pulmonary function test equipment having syringe means, including a syringe having a cylindrically shaped sidewall, a proximal end with an centrally located orifice, a...
|
|
|
7089789 |
System for calibrating an integrated injection nozzle and injection pump
A fuel injection system ( 18 ) is calibrated as an assembled system. The fuel injection system ( 18 ) includes a unit pump ( 10 ) a cam follower ( 24 ), a joined fuel injection line ( 14 ) and...
|
|
|
7060036 |
Respiratory oxygen consumption measuring device and method
A portable apparatus for calculating respiratory oxygen consumption comprising a housing having a fluid inlet, a flow sensor, mounted within the housing, an oxygen sensor and means for calculating...
|
|
|
6629447 |
Machine and process for the calibration and proving of flow sensors
A magnetically coupled, small volume, positive displacement, multi-axial, isokinetic, flow sensor calibrator or prover has one or more, serially interconnected flow tubes, through which a...
|
|
|
6427517 |
Low friction piston for gas flow calibration systems
A calibration system for a tube prover used in gas flow rate calibration equipment includes a low friction piston which provides an effective seal without the use of mercury. The low friction...
|
|
|
6408674 |
Pressure activated calibration system for chemical sensors
A device for remotely calibrating leak sensors is disclosed. The leak sensor calibration device includes a reservoir for storing a fluid calibrant, a conduit in flow communication with the...
|
|
|
6359682 |
Fluid flow velocity measuring system for internal combustion engine
A fluid flow velocity measuring system for an internal combustion engine including a laser Doppler velocimeter having a probe for projecting a pair of coherent laser beams and beam guiding means...
|
|
|
5827941 |
Flow-controlled calibration syringe
A calibration syringe is constructed like a single stage manual pump having a plunger. The input manifold has a duckbill valve that functions to maintain a fixed air flow rate through the syringe...
|
|
|
5456107 |
Modular gas flowmeter
A high accuracy flowmeter for testing and calibrating flowmeters and the like, and more particularly a positive displacement flowmeter which may include a cylinder (12), a piston (10) within the...
|
|
|
5456101 |
Apparatus for calibrating a mass air flow sensor using an oscillating air flow
A method and apparatus for calibrating a mass air flow sensor in which the sensing elements of the sensor are subjected to an oscillating mass air flow summed with an offset mass air flow to...
|
|
|
5440925 |
Flow calibrator
The invention relates to a high accuracy flowmeter for testing and calibrating flowmeters and the like, and more particularly to a positive displacement flowmeter which may include a cylinder (12),...
|
|
|
5390528 |
Method and apparatus for calibrating a mass air flow sensor using an oscillating air flow
A method and apparatus for calibrating a mass air flow sensor in which the sensing elements of the sensor are subjected to an oscillating mass air flow summed with an offset mass air flow to...
|
|
|
5317895 |
Flowmeter proving apparatus
A flowmeter proving apparatus for obtaining a reliable flow meter factor in a short time, using a flow-meter having a non-uniform pulse output with a small volume power. The flowmeter to be proved...
|
|
|
5226311 |
Fluid flow generating apparatus
Apparatus for generating a precision fluid flow comprises a cylinder having side and end walls forming a fluid-receiving chamber having a fluid inlet and a fluid outlet. A cylindrical piston free...
|
|
|
5191782 |
Device for gauging a volumetric meter
A method of and device for gauging a liquid meter, the device comprising an enclosure containing a piston and hydraulically connectable to the measuring member of the meter, the piston being a...
|
|
|
5140862 |
Injection pump calibration device
An injection pump calibration device insertable in place of an actual syringe in an infusion syringe pump is described. The housing is shaped like a syringe body and configured to detachably mount...
|
|
|
5111682 |
Apparatus and method for determining the flow characteristics of a volumetric flowmeter
A mechanical displacement flowmeter calibrator has a first fluid line external of the measuring cylinder of the calibrator connected between the inlet and outlet thereof. A flowmeter that produces...
|
|
|
5072416 |
Method and apparatus for calibrating a flowmeter using a master meter and a prover
A double cycle prover is used to calibrate meters which require long proving runs. A small volume or piston prover and a master flowmeter, are coupled in series with the meter under test, then the...
|
|
|
4996869 |
System for selecting valid K-factor data points based upon selected criteria
A moveable fluid barrier (16) is driven from an upstream position to a downstream position through a measuring cylinder (18) connected fluidically in series with the flowmeter (22) under test to...
|
|
|
4881186 |
Apparatus for measuring injection speed of die cast machines
In apparatus for measuring injection speed of a die cast machine, there are provided a pulse generator responsive to a movement of an injection plunger for producing a pulse signal, a detector for...
|
|
|
4811252 |
Leakage test equipment
Leak test equipment which includes a master side pneumatic system and a work side pneumatic system executes a leakage test sequence basically including pressurizing, balancing and detecting steps...
|
|
|
4649734 |
Apparatus and method for calibrating a flow meter
An apparatus and method for calibrating a flow meter are provided which utilize a tank for maintaining the apparatus liquid full. The tank has a freely movable barrier therein which divides the...
|
|
|
4619134 |
Testing device for flow meters
Disclosed is a testing device for at least one flow meter installed in a pipeline. The device includes a calibration container connected to the pipeline across a switch-over valve. A measuring...
|
|
|
4537058 |
Volume calibration syringe
A calibration syringe for controllably delivering gas to a respiratory gas measuring instrument during the calibration thereof. In addition to the piston and cylinder arrangement used in prior...
|
|
|
4507952 |
Apparatus for testing flow meters
A proving system is described wherein there is a cylinder and a moving piston within the cylinder having an indicator rod extending out of the cylinder and a cursor on the rod adapted to move...
|
|
|
4479377 |
Method and apparatus for measuring gas flow
A movable piston is arranged within an open-ended cylinder, the piston having a peripheral groove for receiving liquid mercury to create a sliding gas-tight seal between the piston and the...
|
|
|
4448058 |
Respiratory gas analysis instrument having improved volume calibration method and apparatus
An improved gas volume calibration method and apparatus for use in respiratory gas analyzers. A control unit monitors the flow of calibration gas through the analyzer by monitoring the electrical...
|
|
|
4253156 |
Automatic flowmeter calibration system
A system for automatically calibrating the accuracy of a flowmeter which is used for measuring the flow of fluid such as gas or liquid flowing therethrough. The system includes a calculator capable...
|
|
|
3595079 |
FLUID FLOW VELOCITY MEASURING APPARATUS
Apparatus for measuring instantaneous fluid flow velocity including a probe having fluid flow velocity, temperature and direction sensor thermistors selectively positioned thereon. The sensor...
|
|
|
3580045 |
METER PROVER
A bidirectional meter prover adapted to be connected to a conduit having a meter arranged therein is provided with a valve means connected to the calibration barrel of the meter prover and to the...
|
|
|
3492856 |
APPARATUS FOR DETERMINING THE FLOW CHARACTERISTICS OF A VOLUMETRIC FLOWMETER
|
|
|
3446055 |
METER CALIBRATION
|
|
|
3425262 |
DEVICE FOR CALIBRATING FLOWMETERS
|
|
|
3270549 |
Fluid meter calibrating device
|
|
|
2948143 |
Apparatus for impelling objects within a pipeline
|
|
|
2934938 |
Valve flow analyzers
|
|
|
2792705 |
Apparatus for proving positivedisplacement meters
|