Patents by Inventor Robert Laragione
Robert Laragione has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6564824Abstract: A flow meter system that calculates mass flow rate based only on a single pressure signal. A flow controller is arranged in parallel with a restriction such that a constant pressure differential is maintained across the restriction. The pressure, and temperature if not controlled, of the fluid flowing through the restriction is measured on either side of the restriction. The pressure is compared to a plot of pressure versus mass flow rate calculated for the specific restriction and fluid being measured. The constant pressure differential maintained across the restriction yields a linear relationship between pressure and flow rate. If temperature is not controlled, the plot of pressure versus mass flow rate will remain linear, but the slope of the curve will be adjusted based on the temperature of the fluid.Type: GrantFiled: February 21, 2002Date of Patent: May 20, 2003Assignee: Flowmatrix, Inc.Inventors: Patrick A. Lowery, Petur Thordarson, Robert Laragione
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Patent number: 6564825Abstract: A flow meter system that calculates mass flow rate based only on a single pressure signal. A flow controller is arranged in parallel with a restriction such that it constant pressure differential is maintained across the restriction. The pressure, and temperature if not controlled, of the fluid flowing through the restriction is measured on either side of the restriction. The pressure is compared to a plot of pressure versus mass flow rate calculated for the specific restriction and fluid being measured. The constant pressure differential maintained across the restriction yields a linear relationship between pressure and flow rate. If temperature is not controlled, the plot or pressure versus mass flow rate will remain linear, but the slope of the curve will be adjusted based on the temperature of the fluid.Type: GrantFiled: August 23, 2002Date of Patent: May 20, 2003Assignee: Flowmatrix, Inc.Inventors: Patrick A. Lowery, Petur Thordarson, Robert Laragione
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Patent number: 6561207Abstract: A flow meter system that calculates mass flow rate based only on a single pressure signal. A flow controller is arranged in parallel with a restriction such that a constant pressure differential is maintained across the restriction. The pressure, and temperature if not controlled, of the fluid flowing through the restriction is measured on either side of the restriction. The pressure is compared to a plot of pressure versus mass flow rate calculated for the specific restriction and fluid being measured. The constant pressure differential maintained across the restriction yields a linear relationship between pressure and flow rate. If temperature is not controlled, the plot of pressure versus mass flow rate will remain linear, but the slope of the curve will be adjusted based on the temperature of the fluid.Type: GrantFiled: August 28, 2002Date of Patent: May 13, 2003Assignee: FlowMatrix, Inc.Inventors: Patrick A. Lowery, Petur Thordarson, Robert Laragione
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Publication number: 20030000578Abstract: A flow meter system that calculates mass flow rate based only on a single pressure signal. A flow controller is arranged in parallel with a restriction such that a constant pressure differential is maintained across the restriction. The pressure, and temperature if not controlled, of the fluid flowing through the restriction is measured on either side of the restriction. The pressure is compared to a plot of pressure versus mass flow rate calculated for the specific restriction and fluid being measured. The constant pressure differential maintained across the restriction yields a linear relationship between pressure and flow rate. If temperature is not controlled, the plot of pressure versus mass flow rate will remain linear, but the slope of the curve will be adjusted based on the temperature of the fluid.Type: ApplicationFiled: August 28, 2002Publication date: January 2, 2003Inventors: Patrick A. Lowery, Petur Thordarson, Robert Laragione
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Publication number: 20020195145Abstract: A flow meter system that calculates mass flow rate based only on a single pressure signal. A flow controller is arranged in parallel with a restriction such that it constant pressure differential is maintained across the restriction. The pressure, and temperature if not controlled, of the fluid flowing through the restriction is measured on either side of the restriction. The pressure is compared to a plot of pressure versus mass flow rate calculated for the specific restriction and fluid being measured. The constant pressure differential maintained across the restriction yields a linear relationship between pressure and flow rate. If temperature is not controlled, the plot or pressure versus mass flow rate will remain linear, but the slope of the curve will be adjusted based on the temperature of the fluid.Type: ApplicationFiled: August 23, 2002Publication date: December 26, 2002Inventors: Patrick A. Lowery, Petur Thordarson, Robert Laragione
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Publication number: 20020174898Abstract: A flow meter system that calculates mass flow rate based only on a single pressure signal. A flow controller is arranged in parallel with a restriction such that a constant pressure differential is maintained across the restriction. The pressure, and temperature if not controlled, of the fluid flowing through the restriction is measured on either side of the restriction. The pressure is compared to a plot of pressure versus mass flow rate calculated for the specific restriction and fluid being measured. The constant pressure differential maintained across the restriction yields a linear relationship between pressure and flow rate. If temperature is not controlled, the plot of pressure versus mass flow rate will remain linear, but the slope of the curve will be adjusted based on the temperature of the fluid.Type: ApplicationFiled: February 21, 2002Publication date: November 28, 2002Inventors: Patrick A. Lowery, Petur Thordarson, Robert Laragione
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Patent number: 5925829Abstract: Method and apparatus for determining a mass rate of flow of gas by a rate of change of pressure includes an inlet for communicating a flow of gas from a source of gas whose mass flow rate is to be measured. A volumetric container is connected to the gas inlet to receive the gas. The volumetric container precisely defines a standard volume in its interior. Positioned within the volumetric container is a heat conductive assembly for maintaining the interior of the system substantially isothermal during pressure changes of the gas as gas flows into or leaves the container. Attached to the container is a pressure measuring transducer which measures the gas pressure within the container. The rate of change of the gas pressure under isothermal conditions within the container is indicative of the rate of mass flow of the gas into or out of the volumetric container.Type: GrantFiled: February 3, 1997Date of Patent: July 20, 1999Assignee: Unit Instruments, Inc.Inventors: Robert Laragione, Dan B. LeMay, Eric J. Redemann, Michael D. Upchurch
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Patent number: 4638444Abstract: A system for maintaining back-pressure in chemical laboratory testing apparatus includes a modified flow control valve governed by a special control system which includes an input/output controller. That controller includes a microprocessor and memory into which a program developed specifically for the modified valve has been placed. A pre-pressure valve is also used upstream of the instrument in which the pressure is to be maintained for effecting quicker control of the pressure. The input/output controller, in conjunction with the servo-amplifier, integrates out the error between the desired set-point pressure and actual pressure thereby enabling maintenance of pressure within one pound.Type: GrantFiled: February 17, 1983Date of Patent: January 20, 1987Assignee: Chemical Data Systems, Inc.Inventors: Robert Laragione, Steven M. Lurcott, Woodford A. Bowe, Eugene J. Levy
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Patent number: 4628951Abstract: An electromagnetically actuatable probe is inserted in a vessel containing a body of liquid and in which high pressure, high temperature, corrosive, or other hostile conditions exist. Pulses are transmitted to the probe within a predetermined range of frequencies which include the normal resonant frequency of the probe. Return signals are generated by the probe between the times the transmitted pulses are sent. These return pulses are processed to produce signals which are a function of the level of the liquid that are then employed to control the discharge of the liquid or used by another utilization circuit.Type: GrantFiled: January 3, 1984Date of Patent: December 16, 1986Assignee: Chemical Data Systems, Inc.Inventors: James H. Higgins, Woodford A. Bowe, Robert Laragione
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Patent number: 4600827Abstract: A dual power-supply system is used to produce a sharp rise-time characteristic and a high steady-state temperature in a platinum ribbon pyrolysis probe. First, a small "boost" power supply generates a very short, high power pulse that is applied to the probe. Then, at its peak, the first power supply is effectively disabled and a second power supply is brought into play to maintain the power (and the temperature) in the probe at a high steady-state value approximating the peak value of the boost pulse.Type: GrantFiled: September 28, 1984Date of Patent: July 15, 1986Assignee: AE/CDS Autoclave, Inc.Inventors: Gary C. Linwood, Robert Laragione