ROBERT S JACOBSEN
Engineers in Hatboro, PA
License number
Pennsylvania PE014752E
Category
Engineers
Type
Professional Engineer
Address
Address
Hatboro, PA 19040
Professional information
Apparatus For Determining The Supercompressibility Factor Of A Flowing Gas
US Patent:
4584868, Apr 29, 1986
Filed:
May 16, 1985
Appl. No.:
6/734935
Inventors:
Robert S. Jacobsen - Hatboro PA
George W. Schneider - Huntingdon Valley PA
George W. Schneider - Huntingdon Valley PA
Assignee:
American Meter Company - Philadelphia PA
International Classification:
G01N 700, G01F 100
US Classification:
73 23
Abstract:
An arrangement for determining the supercompressibility factor of a flowing gas at elevated pressure includes a first meter for measuring the volume flow rate of the gas at the elevated pressure, a restrictor at the outlet of the first meter for dropping the pressure of the gas to a pressure at which the supercompressibility factor is known, and a second meter for measuring the volume flow rate of the gas at the lower pressure. A computer calculates the supercompressibility factor of the gas at the elevated pressure by utilizing measured values of temperature, pressure and volume flow rate of the gas at both the elevated and lower pressures.
Apparatus For Correcting Measured Gas Flow
US Patent:
4390956, Jun 28, 1983
Filed:
Mar 6, 1981
Appl. No.:
6/241328
Inventors:
Malcolm W. Cornforth - Edgewater Park NJ
Robert S. Jacobsen - Hatboro PA
Robert S. Jacobsen - Hatboro PA
Assignee:
The Singer Company - Stamford CT
International Classification:
G01F 100
US Classification:
364510
Abstract:
A gas flow volume corrector mounted on a flow meter is provided with a microprocessor which calculates a corrected volume each time the meter measures a unit volume of flowing gas. Customer supplied data as to base conditions, specific gravity and gas composition are utilized to calculate supercompressibility values. These values are then processed to provide a plurality of constants which define calculation equations. The constants are stored in the corrector on a diode matrix card or PROM and are utilized each time the meter measures a unit volume of flowing gas for calculating the corrected volume. To conserve memory space, integer arithmetic, rather than floating point arithmetic, is utilized in the calculations.
Internal Gate Rotary Vane Fluid Meter With Improved Element Geometry
US Patent:
4479384, Oct 30, 1984
Filed:
May 13, 1983
Appl. No.:
6/494208
Inventors:
Robert S. Jacobsen - Hatboro PA
Assignee:
The Singer Company - Stamford CT
International Classification:
G01F 308
US Classification:
73253
Abstract:
An internal gate rotary vane fluid meter which has markedly improved performance as a result of precise control over the geometry and dimensions of the rotating elements and the fluid flow path. In particular, the outer diameter of the gate is the maximum possible which still allows the crescent to have an arc about the rotor axis which is sufficient to enclose the radial center lines of any adjacent pair of rotor vanes.
Method For Determining The Accuracy Of A Gas Measurement Instrument
US Patent:
4590790, May 27, 1986
Filed:
May 16, 1985
Appl. No.:
6/734934
Inventors:
Irwin A. Hicks - Radnor PA
Robert S. Jacobsen - Hatboro PA
David F. Kee - Glenside PA
George W. Schneider - Huntingdon Valley PA
Robert S. Jacobsen - Hatboro PA
David F. Kee - Glenside PA
George W. Schneider - Huntingdon Valley PA
Assignee:
American Meter Company - Philadelphia PA
International Classification:
G01F 2500
US Classification:
73 3
Abstract:
A meter in a high pressure gas pipeline is calibrating using a sonic nozzle in series with the meter. A bypass line is run where measurements are made to determine gas composition dependent factors for use in defining the flow through the nozzle.