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Patent Searching and Data


Matches 201 - 250 out of 5,919

Document Document Title
WO/2010/143382A1
Provided is a shutoff valve unit whose housing is easy to attach to a press-worked metal plate gas meter, and which is resistant to foreign matters or water in the pipe line, misbehavior and inexpensive. The shutoff valve unit includes a...  
WO/2010/134338A1
A newly-purchased gas appliance is detected, and is notified to a gas manager. Disclosed is a gas blocking device comprised of a flow rate detection portion (201), a flow rate calculation portion (202), a code extraction portion (206), a...  
WO/2010/132702A2
An apparatus for characterizing emissions includes an emissions analyzer for estimating a concentration of a selected emission of the emission, a flow rate analyzer for estimating a volumetric flow rate of the emission and a processor in...  
WO/2010/120230A1
The present invention discloses a system setup for carrying out a biological methane potential test on a biosample and a system setup for measuring biomethane gas in a biogas flow, the system setups inter alia comprising at least one con...  
WO/2010/120229A1
The present invention discloses a measuring device 1 for measuring an ultra low gas flow, working by the principle of liquid displacement, wherein the measuring device 1 comprises at least one cell 2 comprising a gas inflow means 3, a ga...  
WO/2010/109182A1
A compact prover (10) suitable for determining the accuracy of a high flow turbine flowmeter. The prover (10) includes two piston and cylinder arrangements (12, 14) which are similar in most respects. Each arrangement (12, 14) includes a...  
WO/2010/109167A1
A compact prover assembly (10) suitable for determining the accuracy of a flow meter. The assembly (10) includes a piston (20) and cylinder arrangement (12) with a cylinder (14) with an inlet (16) and an outlet (18) towards respective en...  
WO/2010/100886A1
Provided is a flow rate measuring device wherein operation is simplified by a configuration which extracts the features of an appliance, and accuracy of appliance discrimination is enhanced by reducing the quantity of memory required for...  
WO/2010/099490A2
A novel enhanced flow metering device is adapted for disposing into a flow material reservoir a known volume of flow material whereby software used in conjunction with a pressure sensor may be calibrated. Additionally, by measuring the k...  
WO/2010/092544A2
Embodiments of the invention provide devices and methods for measuring fluid volume. Devices according to some embodiments include a chamber, having a pair of gears rotatably mounted therewithin. Fluid flow through the chamber causes rot...  
WO/2010/093239A2
The invention relates to a milk/air separator comprising a cylinder which in operation is substantially vertical and is provided with an outlet for milk at an end of the cylinder, an inlet for milk at a distance from the outlet, a piston...  
WO/2010/087185A1
Disclosed is a gas shutoff device for appropriately registering the flow rate of a device and appropriately limiting the operating time of the device. The gas shutoff device is comprised of a flow rate detection means (10) for measuring ...  
WO/2010/084780A1
Disclosed is a gas interrupting device which prevents the unauthorized acquisition of a gas or unauthorized use of a gas interrupting device, for example, when the device is stolen. When a predetermined number of events occur, the gas s...  
WO/2010/079758A1
An abnormal flow rate is determined accurately by calculating a correction flow rate from which the pulsation component is removed. A gas block device includes a flow rate detection section (21), a flow rate calculation section (22), an...  
WO/2010/079568A1
Disclosed is a flow rate measurement device, comprising a time differential memory unit (17b), which stores a time differential of a propagation time of an ultrasonic signal in a forward and a reverse direction that is measured in a unit...  
WO/2010/070902A1
With a conventional gas shutoff device, a non-uniform gas layer can be produced by a shift in the amount of heat or by mixing of a gas of a different type from the gas currently in use during installation or replacement, and an unexpecte...  
WO/2010/070903A1
A more appropriate function of restricting the duration of use is achieved by appropriately registering the flow volumes of appliances. Provided is a gas shut-off device, wherein a flow volume detecting means measures the flow volume, a ...  
WO/2010/057809A1
The present invention relates to a total mass flow meter and a water purification device comprising the total mass flow meter. It is an object of the present invention to provide a mass flow meter that can be usefully installed in a grav...  
WO/2010/053926A2
A fluid metering device may meter the flow of fluid. The device may have a main chamber and a piston configured and oriented to reciprocate within the main chamber. The piston may be configured and oriented to define a first and a second...  
WO/2010/041455A1
It is possible to avoid the difference between the gross amount of used gas and the sum of a plurality of amounts of variation that the gas-blast circuit breaker holds. The gas-blast circuit breaker comprises a flow detection unit (11), ...  
WO/2010/041456A1
Appropriate registrations of alliance flow-rates are performed to provide an appropriate use time limiting function. There are included a flow rate determining means (10) that determines flow rates; a flow rate calculating means (11) th...  
WO/2010/039379A1
A diaphragm for use in a gas meter that includes an expansion section (68) having a series of convolutions. During repeated use of the diaphragm, the expansion section flexes to allow the center section of the diaphragm and the attached ...  
WO/2010/023995A1
An axial flow positive displacement flowmeter capable of reducing pressure loss, manufacturable at low cost, and having high accuracy. The axial flow positive displacement flowmeter (1) comprises a pair of rotors (10) of a same shape an...  
WO/2010/023421A1
A circuit for use in a current source or a proportional to absolute temperature sensor or in a bandgap regulator conducting a current, the circuit comprising a PTAT cell having two parallel current branches each including at least one tr...  
WO/2010/019111A1
The invention is directed at protecting engine fuel systems, in particular fuel counters, against a hydraulic impact and fuel pressure fluctuations. The inventive engine fuel system with a fuel metering segment comprises a fuel tank, a l...  
WO/2009/157188A1
Provided is a gas circuit breaker wherein an abnormality is detected when water enters the gas circuit breaker. The gas circuit breaker is provided with a flow quantity detecting means (8) which measures a flow quantity, and based on a d...  
WO/2009/150450A1
A diaphragmgas meter (10) comprising two fluid pathsthrough front and rear diaphragm pans. Reciprocating movement of the diaphragms is converted into rotational movement of a drive shaft. Four permanent magnets, (14, 16) are provided in ...  
WO/2009/148339A1
The crank mechanism of a gas meter with temperature compensation, particularly a bellows gas meter, containing a rotating part whose axis is at the same time the axis of rotation of the crank disc and at least one crank element connected...  
WO/2009/147334A2
The invention relates to a gas meter (1) with membranes and with a rotary dispensing drive that includes a plurality of measuring chambers and a dispensing element (2) rotatingly mounted on the upper surface of a dispensing lid in which ...  
WO/2009/141944A1
A conventional appliance monitor only deals with a gas consumption volume or security information at gas cutoff time, so that the monitor cannot comply with the social needs for the desire to know the influence of the use of a gas burner...  
WO/2009/141943A1
A conventional device for monitoring an appliance handles only gas usage and safety information at the time of gas shut off, and a social need for recognizing information about the impact of using a gas combustion appliance on the global...  
WO/2009/110192A1
A safety function is improved by allowing setting of an appropriate safety function depending on a using environment etc. A function selection unit (1116) sets safety function information received from outside via a communication line, a...  
WO/2009/110193A1
A gas meter and a gas metering system that allow the safety functions to be set up appropriately depending on the use environment and the like for improving the safety functions. An IC card (118) stores data on a usable amount of gas and...  
WO/2009/110108A1
An ideal volumetric flowmeter which has a pair of helical gears given by using oval pitch curve as reference rack tooth profile, with the tooth height ratio of the reference rack tooth profile even with a small number of teeth being set ...  
WO/2009/110190A1
A gas meter and a gas safety system that allow the safety functions to be set up appropriately depending on the use environment and the like for improving the safety functions. A function setup section (116) sets up an arbitrary function...  
WO/2009/110213A1
Leakage or the like is accurately detected based on a pressure and a flow volume obtained while a fluid is used. The flow volume of a gas flowing in a channel (102) is measured by a flow volume measuring section (106), and the pressure i...  
WO/2009/110214A1
A flow measuring device capable of accurately detecting leakage based on the pressure and flow of a fluid in use. The flow of a gas flowing through a flow passage (102) is measured by a flow measuring part (106), and the pressure thereof...  
WO/2009/107367A1
Disclosed is a gas shut-off device that appropriately controls the usage restriction function of equipment according to the concentration level of CO gas. The device comprises: a flow registering means (28) which registers as the equipme...  
WO/2009/093342A1
A positive displacement flowmeter having a pair of non-circular gears in a rolling contact on a pitch line without slippage. The positive displacement flowmeter comprises a casing (3) and a pair of rotors (1, 2) provided in the casing (3...  
WO/2009/075082A1
A gas meter apparatus by which illegal use of gas is prevented by grasping the sign of the illegal use by detecting the occurrence of a specific flow rate variation profile different from the flow rate variation profile of a normal gas a...  
WO/2009/055593A2
The liquid level sensing device includes rotating electrically conductive probes and uses a self-cleaning rotary electrical connection system with a contact stylus on a rotating conductive barrel, for sensing a liquid level in a dispensi...  
WO/2009/047419A2
The invention relates to a membrane gas meter comprising a rotary distribution drive having a plurality of measuring chambers, and a distribution slide (2) mounted in such a way that it can rotate about a rotational axis on the upper sur...  
WO/2009/047420A2
The invention relates to a gas meter that comprises at least one measuring compartment (1) formed by a portion (2a) of a central block (2) associated with a lid (3) by their respective peripheral edge, said compartment being divided into...  
WO/2009/044069A2
The invention relates to a gas meter comprising several measuring chambers and a rotating distribution spool (2) rotating about a rotational axis fixed on the upper surface of a distribution cover (1) with several openings (10-12) each c...  
WO/2009/044068A2
The invention relates to a membrane gas meter comprising several measuring chambers, a rotating distribution element (1) rotating about a rotational axis on a distribution surface (3) to permit alternate entry and exit of gas from the me...  
WO/2009/019873A1
A behavior different from those of the steady state of an appliance during use of the appliance is detected, and an improper use can be detected. A gas meter (100) has an ultrasonic flow meter (104) which measures the flow of gas flowing...  
WO/2009/019870A1
Intended is to make more prompt and proper the counter-measures of a flow rate measuring device against a new event in a use environment. In a gas meter (100), an ultrasonic flow meter (104) measures the flow rate of a gas to flow in a p...  
WO/2009/019871A1
Intended is to detect the introduction of a new tool properly in the use environment of a flow rate measuring device. In a gas meter (100), an ultrasonic flow meter (104) measures the flow rate of a gas to flow in a passage (102). A new ...  
WO/2009/008107A1
To prevent erroneous gas shutoff due to erroneous registration of an apparatus whose gas use quantity changes. In an individual flow quantity registering/storing section, the registered flow quantity deleted due to increase/reduction of ...  
WO/2009/008108A1
Use limit function of an appliance having a variable quantity of gas used is secured adequately. The gas cut-off device comprises a flow rate detection means (10), a flow rate operating means (11), an average flow rate operating means (1...  

Matches 201 - 250 out of 5,919