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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7343794 | Weir box and sensor The flow rate of water passing into a weir box and over a weir that is mounted on the weir box is determined using a sensor to continuously or intermittently obtain a measure of the water level within the weir box relative to the bottom of the weir notch to thereby ... | 03/18/2008 |
| 7342504 | Monitoring system and method A monitoring system includes one or more monitoring devices, positioned in sewer manholes, storm drains, etc., and a remote monitoring station that communicates wirelessly therewith. The monitoring device may be an integrated unit, including sensors, a two-way telem... | 03/11/2008 |
| 7311001 | Multiphase flow measurement apparatus and method An apparatus is utilized for obtaining flow measurements from an individual oil and gas well. The apparatus utilizes pipe segments rather than vessels to separate the fluid components into a gas phase, a water phase, and an oil phase. Separation of the flow stream i... | 12/25/2007 |
| 7240537 | Method for the determination of the wall friction profile along pipes by pressure transients measurements The present invention deals with a method which allows to determine the wall friction profile along pipes transporting liquids, particularly petroleum industry liquids, by measuring the pressure transients induced by fast changes in the flow rate. This method is app... | 07/10/2007 |
| 7063043 | Milk flow meter for a milking system having a substantially stable vacuum level and method for using same A milk flow device which includes a conduit for transporting a substantially continuous milk flow varying in height up to a maximum height wherein the maximum height is less than a fluid height which would occlude the conduit and interrupt the vacuum level is shown.... | 06/20/2006 |
| 7002481 | Monitoring system and method A monitoring system includes one or more monitoring devices, positioned in sewer manholes, storm drains, etc., and a remote monitoring station that communicates wirelessly therewith. The monitoring device may be an integrated unit, including sensors, a two-way telem... | 02/21/2006 |
| 6955072 | System and method for in-situ flow verification and calibration A system and method for in-situ verification and calibration of flow control devices includes a first network physical layer connecting the flow control devices to a flow verification device. A controller of the flow verification device is programmed to communicate ... | 10/18/2005 |
| 6943690 | Flow verification mechanism A flow verification sensor apparatus (30) is used with a constant volume pump (11) that pumps a liquid product (13) from a container (12). A plummet (32) is positioned in a flow tube (31). A sensor (33) is positioned ... | 09/13/2005 |
| 6907779 | Continuous flow measurement recorder and recording method A continuous flow measurement recorder is provided for making water flow measurements in an open channel. An ultrasonic sensor obtains pressure head measurements upstream from a flume or weir located in the open channel. A central processing unit receives the head m... | 06/21/2005 |
| 6823729 | Measuring weir for measuring flow volume at an overflow A flow-measuring system has a weir wall bounded on a front face by a body of water and having a rear face and a top edge over which water from the body flows. A structure generally formed as an airfoil is mounted on the top edge such that water flowing over the weir... | 11/30/2004 |
| 6340243 | Liquid/gas phase detector system A liquid/gas phase detector system employing a sensor to detect fluid phase, flow rate, and temperature. A flow conditioner in the form of a pipe segment with an inverted V-shaped section forming a weir is adapted for coupling in a horizontal conduit down... | 01/22/2002 |
| 6324906 | Double chamber container for metering liquid flow The container includes a first chamber connected to the liquid source through an inlet port of a given cross-sectional area and a second chamber connected to a drain through an outlet port of at least equal size. The chambers are separated by a partition ... | 12/04/2001 |
| 6053039 | Apparatus for the measurement of liquid flow Apparatus for measuring the rate of flow of liquid through a liquid/air separator having a chamber space provided with at least one liquid/gas inlet duct, at least one gas outlet duct and at least one liquid outlet duct, includes a measuring receptacle di... | 04/25/2000 |
| 5877417 | Flow meter A device and method for determining the flow rate of gas entrapped fluids delivered in a pulsating flow, such as milk, wherein the invention boasts an improved fluid level detection arrangement for determining flow rates with improved accuracy, and an imp... | 03/02/1999 |
| 5852240 | Portable flow measuring device A portable secondary flow measuring device (10) with various attachments and adapters for use in several types of open channel flow installations including flumes, weir plates and gravity flow pipelines. A manometer type flow indicating apparatus (40), an... | 12/22/1998 |
| 5808195 | Arrangement for determining liquid velocity versus depth utilizing historical data In the embodiments described in the specification, an acoustic transducer unit emits acoustic signals into a moving liquid and receives reflected signals to produce Doppler frequency signals and a depth detector simultaneously detects the depth of the liq... | 09/15/1998 |
| 5726358 | Method and device for measuring the discharge in partly filled or completely filled ducts and in open channels The invention relates to a device for measuring discharges in partly or completely filled ducts or open channels, utilizing measuring sensors. The device comprises a central simulation system (CS), comprising a numerical model and a high-performance compu... | 03/10/1998 |
| 5635637 | Apparatus for measuring the flow rate of a fluid A meter which measures fluid flow by passing the fluid through a receptacle and determining the mass of fluid in the receptacle. The shape of the receptacle, the fluid flow path within the receptacle and the receptacle outlet are chosen to ensure that for... | 06/03/1997 |
| 5608171 | Distributed, unattended wastewater monitoring system A distributed, unattended wastewater monitoring system that uses advances in low-energy signal processing and distributed microelectromechanical systems and that involves wireless interrogation of distributed, low-power, normally-off sensors. In a preferr... | 03/04/1997 |
| 5467650 | Open channel flowmeter A flowmeter for measuring the volumetric discharge in an open channel makes two measurements: (1) velocity at a fixed point, and (2) fluid level. A level-discharge function which is a function of level alone is then generated in response to the measured l... | 11/21/1995 |
| 5423226 | Flow measurement system A portable flow measurement system comprising a primary flow metering element and a secondary flow metering element is disclosed that will find application in metering irrigation water use, urban and rural storm water runoff, infiltration/inflow and waste... | 06/13/1995 |
| 5327787 | Electromagnetic flow meter with weir A weir is placed across a pipe section and an electromagnetic flow meter with multiple electrodes is located upstream of the weir. The liquid level and velocity of fluid in the pipe section are evaluated by the electromagnetic flow meter to determine flow... | 07/12/1994 |
| 5313833 | Milk flow meter A milk flow meter having a measuring chamber which is connected to a milk supply conduit, the measuring chamber communicating with a discharge chamber and a milk sump at the lower end thereof. A calibrated milk discharge opening is provided between the me... | 05/24/1994 |
| 5199306 | Method and apparatus for metering flow in closed conduits that surcharge A method and apparatus for measuring flow in a closed conduit under both full and less than full conditions is disclosed. The method and apparatus incorporate a tubular Venturi metering device. The cross section of the throat of the device is configured r... | 04/06/1993 |
| 5186052 | Storm water flow monitoring Apparatus and a method for monitoring the rate of flow of storm water in an individual sewer. The apparatus comprises a collector bowl mountable beneath the storm sewer manhole cover and positioned to collect all water entering through the manhole cover. ... | 02/16/1993 |
| 5156489 | Adjustable flume A fully portable flume for a canal or water channel comprising a horizontal sill across the width of said flume; means to raise or lower the sill while maintaining it in a horizontal position; a movable transverse wall connected at its upper edge to the s... | 10/20/1992 |
| 5083459 | Flow meter A meter for determining flow rates and total volume of fluids normally mixed with a gas and delivered with a pulsating rather than a uniform flow rate, such as milk being delivered from a milking machine. The unit includes a housing having an upper, baffl... | 01/28/1992 |
| 5035139 | Process and a device for carrying out measurements at a foaming liquid The specific density of the liquid/air mixture is measured at successive levels within the reception vessel for the liquid using a reference measurement (Io) representing the specific density of the degasified liquid within a reference measuring path. The... | 07/30/1991 |
| 5024084 | Flow meter for liquid doctored through Fourdrinier fabric at wet end of Fourdrinier paper machine A testing device for determining the amount of liquid having been doctored through the Fourdrinier fabric or wire at the wet end of a Fourdrinier-type paper machine. Included is a pick-up for insertion beneath the foil blades of the paper machine, having ... | 06/18/1991 |
| 5005428 | Inverted weir for conduit A method and apparatus for installing a weir to divert fluid flowing in a conduit and to convert potential fluid energy to kinetic energy.... | 04/09/1991 |
| 4896542 | Portable wastewater flow meter A portable wastewater flow meter particularly adapted for temporary use at a single location in measuring the rate of liquid flow in a circular entrance conduit of a sewer manhole both under free flow and submerged, open channel conditions and under full ... | 01/30/1990 |
| 4896539 | Spray calibration device and method A device for determining a flow rate of liquid discharged from a plurality of discharges comprising a plurality of collectors for the discharged liquid connected by a manifold having a plurality of inlet lines attached to the discharges and a single outle... | 01/30/1990 |
| 4799388 | Apparatus and technique for metering liquid flow The gravity flow of a liquid in an open pipe is metered during open channel flow, during surcharged flow, and during the transition between the two. A tubular venturi metering device is employed, and when during open channel flow, the liquid depth rises i... | 01/24/1989 |
| 4715225 | Flow meter for measuring the flow rate of liquid A flow meter for measuring the flow rate of a liquid, capable of detecting the liquid level in the upstream space with respect to a weir and determining the flow rate of the liquid on the basis of the relationship between the liquid level and the flow rat... | 12/29/1987 |
| 4671119 | Flow measuring device for partially filled conduits A flow measuring device for measuring the flow rate of a fluid in a partially filled conduit comprises sequentially disposed inlet transition and converging sections and means for determining the level of the fluid in the converging section. The inlet sec... | 06/09/1987 |
| 4571997 | Flow measuring apparatus A flow measuring apparatus adapted to be installed temporarily in the end of a sewer pipe or water pipe or conduit is provided with a weir/orifice plate and a bubble tube for sensing the hydraulic pressure at a critical point below the weir/orifice plate ... | 02/25/1986 |
| 4552017 | Apparatus for measuring flow-rate of electromagnetic granular media An apparatus for measuring the flow-rate of ferromagnetic granular media in a gravity-fed and/or low velocity peening apparatus by passing the media in the supply line at substantially constant head pressure through an inductive transducer, wherein the cu... | 11/12/1985 |
| 4480466 | Apparatus and method for determining liquid flowrate An open-channel liquid flowmeter which is not disabled by submergence of the primary device measures flowrate using both critical-flow and velocity-area techniques and compares results to determine the conditions of flow. The device then selects the metho... | 11/06/1984 |
| 4476719 | Liquid measuring devices A method and apparatus for measuring flow and/or volume of a liquid preferably milk in which the milk is passed from a passageway (3,56) through a gap (5,46) which is long vertically but narrow in width so that a pool is formed in the passageway, the heig... | 10/16/1984 |
| 4467645 | Weir A portable weir for measuring water flow through an irrigation canal is provided in an obliquely disposed check gate shaped to fit the cross sectional configuration of the canal. The weir opening in the check gate is reinforced by a cooperating network of... | 08/28/1984 |
