Patent application number | Description | Published |
20090271128 | FLOW RATE MEASURING APPARATUS AND PROGRAM THEREOF - Object of the present invention is to measure the quantity of a gas flowing through a gas meter and accurately calculate, on a per-appliance basis, the quantity of used gas in each time during which a gas appliance connected to a downstream point is used, without involvement of a waveform pattern. A flow rate measuring apparatus ( | 10-29-2009 |
20100138167 | FLOW RATE MEASUREMENT APPARATUS, PROGRAM THEREOF, FLOW RATE MEASUREMENT METHOD, AND FLUID SUPPLY SYSTEM - There is provided a technique for accurately identifying an appliance which uses the fluid from a viewpoint of the range of a change in flow rate value. An ultrasonic flow rate measuring device | 06-03-2010 |
20110004423 | FLOWMETER - Detecting a leak, or the like, with high accuracy on the basis of pressure and a flow volume acquired during use of fluid is made possible. A volume of gas flowing through a flow path | 01-06-2011 |
20110010111 | FLOWMETER - Detecting a leak, or the like, with high accuracy on the basis of pressure and a flow volume acquired during use of fluid is made possible. | 01-13-2011 |
Patent application number | Description | Published |
20080270045 | FLOW RATE MEASUREMENT DEVICE - A flow rate measurement device ( | 10-30-2008 |
20090240444 | FLOW RATE MEASUREMENT DEVICE - The present invention provides a flow rate measurement device for measuring a volume of gas flowing through a gas supply system in which a plurality of appliances are connected. The flow rate measurement device according to the second embodiment comprises a flow rate sensor configured to detect a gas flow flowing through the gas supply system and a differentiator configured to differentiate the detected gas flow. A memory is provided in which profiles of gas consumption by appliances are storable in relation to identities of the appliances. The flow rate measurement device according to the present invention also comprises a first profile finder which is responsive to the differentiated gas flow to search for a profile from the stored profiles which corresponds to the detected gas flow. The device further comprises a second profile finder which is responsive to a failure by the first profile finder to find the corresponding profile from the stored profiles to analyze the detected gas flow to thereby determine an identity of at least one of the plurality of appliances. | 09-24-2009 |
20090240445 | FLOW RATE MEASURING DEVICE, AND GAS SUPPLY SYSTEM EMPLOYING IT, METHOD FOR SPECIFYING GAS APPLIANCE - A flow rate measuring device has a flow rate measurement unit, an appliance registering unit, a calculating unit, a determining unit, a first appliance identifying unit, and a second appliance identifying unit. The appliance registering unit stores at least first gas flow rate variation profiles on activation of respective gas appliances coupled to a flow channel, and second gas flow rate variation profiles based on the control specific to the respective gas appliances. The first appliance identifying unit identifies which gas appliance is activated based on the first gas flow rate variation profiles on activation. When a determining unit detects a stop of any of gas appliances, the second appliance identifying unit identifies a gas appliance in continuous use by using the second gas flow rate variation profiles based on the control specific to the respective gas appliances. | 09-24-2009 |
20100017150 | FLOW MEASUREMENT APPARATUS AND PROGRAM THEREOF, FLOW MEASUREMENT METHOD AND FLUID SUPPLY SYSTEM - A fluid measurement apparatus capable of accurately determining an activated appliance is provided. A flow measurement apparatus | 01-21-2010 |
20100269596 | GAS METER DEVICE AND GAS SUPPLY SYSTEM USING THE DEVICE - A gas meter device is provided which is configured in a manner that even if a user takes an unauthorized action such as the removal of a gas meter device in order to use gas without authorization, since the generation of a particular flow-rate change profile different from a normal flow-rate change profile of a gas appliance is detected, the sign of the tamper of the gas can be detected, whereby the tamper of the gas can be prevented. The gas meter device includes an appliance determining unit | 10-28-2010 |
20100326548 | FLOW RATE MEASUREMENT APPARATUS AND GAS SUPPLY SYSTEM - If determination is erroneous in appliance determination according to the instantaneous flow rate output from a flow rate measurement unit, a flow rate measurement apparatus registers it as an unknown appliance, rechecks the flow rate of the unknown appliance, and makes it possible to enhance the accuracy of the appliance determination. The apparatus has a flow rate measurement unit | 12-30-2010 |
20110238333 | ULTRASONIC FLOWMETER - An ultrasonic flowmeter that measures flow velocity of a measured fluid by propagating ultrasonic waves through a measuring flow path with a rectangular cross section through which the measured fluid flows and the measured fluid that flows through the measuring flow path. The measuring flow path is provided with partition plates so that they are in parallel with the flow direction of the measured fluid. Simultaneously, the partition plates are placed in parallel with wall surfaces such that flow velocity distribution between opposing wall surfaces of the measuring flow path is more symmetrical with respect to the center of the flow direction of the measured fluid. | 09-29-2011 |
20130098168 | CONSTRUCTION FOR MOUNTING ULTRASONIC TRANSDUCER AND ULTRASONIC FLOW METER USING SAME - Ultrasonic transducers are attached in a direction of compressing O-ring provided in a housing with a flow passage. Biasing means makes contact with and presses these ultrasonic transducers and at multiple points. A screw is provided for locking this pressing means to the housing. This enables the use of O-ring as a sealing means. Accordingly, an in-expensive ultrasonic flowmeter that facilitates signal processing by reducing propagation of vibration of the ultrasonic transducer to the housing can be achieved. | 04-25-2013 |
Patent application number | Description | Published |
20110320141 | FLOW RATE MEASURING DEVICE - The present invention provides a flow rate measuring device capable of simplifying calculation, reducing the amount of a memory required for the calculation, absorbing variations due to manual operation and depending on the state of ignition, and improving the accuracy of appliance identification by using a configuration in which the features of appliances are extracted. The flow rate measuring device is formed of a difference value conversion unit | 12-29-2011 |
20120078828 | GAS BLOCKING DEVICE - A newly-purchased gas appliance is detected and reported to a gas administrator. There are provided a flow rate detection portion, a flow rate calculation portion, a code extraction portion, an initial code learning portion, a code maintaining portion, a code judging portion, an additional code learning portion, and an external communication portion. The code extraction portion extracts a code pattern E. The initial code learning portion gathers similar code patterns E as a gas appliance code pattern F. The code judging portion judges whether or not the code pattern E matches any of gas appliance code patterns F held by the code maintaining portion within a predetermined range. The code patterns E that have failed to match are subjected to additional identification of a gas appliance in the additional code learning portion. The gas blocking device can thereby let the additional code learning portion detect whether or not a new gas appliance has emerged and the external communication portion send a report to the gas administrator. | 03-29-2012 |
20120266690 | ULTRASONIC FLOW METER DEVICE - In an ultrasonic flow meter device of the present invention, a compressive conductive fastener member including conductive parts is retained between a casing having a fluid passage in which a fluid which is a measurement target flows; ultrasonic transmitters/receivers mounted to the casing, and a control printed board disposed to face the ultrasonic transmitters/receivers, and in this state, the control printed board is fastened. Thereby, the ultrasonic transmitters/receivers are electrically connected to the control printed board without the use of lead wires. A cost increase can be suppressed, and an influence of an outside noise can be mitigated because of omission of the lead wires. Therefore, reliability of the ultrasonic transmitters/receivers can be improved. | 10-25-2012 |
20120272750 | ULTRASONIC FLUID-MEASURING STRUCTURE AND ULTRASONIC FLUID-MEASURING APPARATUS - Provided are an ultrasonic fluid-measuring apparatus and an ultrasonic fluid-measuring apparatus that can prevent the disturbance from occurring in the ultrasonic waves due to disturbance of a fluid. An ultrasonic fluid-measuring structure includes an ultrasonic measuring section adjacent to a channel member. The channel member includes a first ultrasonic wave input/output section and a second ultrasonic wave input/output section provided in a first side wall part, and a reflecting surface provided on an inner surface of the second side wall part. Further, it is configured so that the first ultrasonic wave input/output section and the second ultrasonic wave input/output section are adjacent to each other, and an ultrasonic wave transmission membrane through which the ultrasonic waves pass covers together both the first ultrasonic wave input/output section and the second ultrasonic wave input/output section. | 11-01-2012 |
Patent application number | Description | Published |
20130263677 | ULTRASONIC FLOWMETER - Provided is an ultrasonic flow meter capable of detecting a flow rate using measurement flow channel including layered flow channels and a pair of ultrasonic sensors and disposed on a wall surface on the same side of measurement flow channel so as to form a propagation path of ultrasonic waves utilizing reflection on flow channel inner wall surface on an opposing side, and control rod as fluid control means is disposed on an upstream side of separation plates that form a multilayer section. | 10-10-2013 |
20130312537 | ULTRASONIC FLOW RATE MEASUREMENT DEVICE - An ultrasonic flow rate measurement device includes a measurement channel, through which a fluid to be measured flows; and a sensor fixing casing having openings formed in the measurement channel and sensor fixing cavities communicating with the openings. Moreover, the ultrasonic flow rate measurement device includes a pair of ultrasonic sensors contained in the sensor fixing cavities, for measuring the flow rate of the fluid to be measured; and a flow rate measuring unit for detecting the flow rate based on an ultrasonic wave propagation time between the pair of ultrasonic sensors. Furthermore, the ultrasonic flow rate measurement device includes a suppressing member formed at each of the openings, for suppressing the fluid to be measured from intruding into each of the sensor fixing cavities, wherein the suppressing member is molded integrally with the sensor fixing casing. | 11-28-2013 |
20140230568 | ULTRASONIC FLOW-METER - An ultrasonic flow-meter of the present invention includes a partition plate which partitions a passage of a target fluid into a measurement passage and a non-measurement passage, a pair of ultrasonic transducers which is disposed in the measurement passage, a measuring unit which measures a propagation time of an ultrasonic wave between the pair of ultrasonic transducers, and a calculating unit which calculates a flow rate of the target fluid. Further, the calculating unit has a computing unit which computes at least one of a flow velocity and a flow rate of the target fluid in the measurement passage based on the propagation time and an estimating unit which estimates the flow rate of the target fluid in the passage based on the flow velocity or the flow rate in the measurement passage. As a result, an ultrasonic flow-meter which highly accurately measures a target fluid by using a simple configuration can be realized. | 08-21-2014 |