Patents by Inventor Paul D. Perry

Paul D. Perry 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).

  • Patent number: 10752843
    Abstract: The disclosed invention relates to a method for restarting a synthesis gas conversion process which has stopped. The synthesis gas conversion process may be conducted in a conventional reactor or a microchannel reactor. The synthesis gas conversion process may comprise a process for converting synthesis gas to methane, methanol or dimethyl ether. The synthesis gas conversion process may be a Fischer-Tropsch process.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: August 25, 2020
    Assignee: Velocys, Inc.
    Inventors: Roger A. Harris, Soumitra R. Deshmukh, Paul E. Kennedy, Robert Dwayne Litt, Lucas D. Schrader, Andre P. Steynberg, Steven T. Perry
  • Publication number: 20190345394
    Abstract: The disclosed invention relates to a method for restarting a synthesis gas conversion process which has stopped. The synthesis gas conversion process may be conducted in a conventional reactor or a microchannel reactor. The synthesis gas conversion process may comprise a process for converting synthesis gas to methane, methanol or dimethyl ether. The synthesis gas conversion process may be a Fischer-Tropsch process.
    Type: Application
    Filed: July 2, 2019
    Publication date: November 14, 2019
    Inventors: Roger A. Harris, Soumitra R. Deshmukh, Paul E. Kennedy, Robert Dwayne Litt, Lucas D. Schrader, Andre P. Steynberg, Steven T. Perry
  • Patent number: 10358604
    Abstract: The disclosed invention relates to a method for restarting a synthesis gas conversion process which has stopped. The synthesis gas conversion process may be conducted in a conventional reactor or a microchannel reactor. The synthesis gas conversion process may comprise a process for converting synthesis gas to methane, methanol or dimethyl ether. The synthesis gas conversion process may be a Fischer-Tropsch process.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: July 23, 2019
    Assignee: Velocys, Inc.
    Inventors: Roger A. Harris, Deshmukh R. Soumitra, Paul E. Kennedy, Robert Dwayne Litt, Lucas D. Schrader, Andre P. Steynberg, Steven T. Perry
  • Publication number: 20140326534
    Abstract: A noise attenuation device for reducing resonance in a natural vacuum leak detector. The device includes a housing, a first connector connected to the housing, and a first fitting connected to the first connector. Also included is a second connector which is connected to the housing on an opposite end of the housing in relation to the first connector, and a second fitting connected to the second connector. A plurality of tubes is disposed within the housing between the first connector and the second connector such that air flows through the first fitting, the first connector, the plurality of tubes, through the second connector and the second fitting. A plurality of flow paths is created by the plurality of tubes, and the plurality of flow paths reduces the turbulence and the pulsation of air flow through the housing, reducing or eliminating resonance in the natural vacuum leak detector.
    Type: Application
    Filed: May 1, 2013
    Publication date: November 6, 2014
    Applicant: Continental Automotive Systems, Inc.
    Inventors: David William Balsdon, Ray Rasokas, Paul D. Perry
  • Patent number: 8746215
    Abstract: A vapor management system (10) includes a sense tube (47) disposed in a fuel tank (12). A differential pressure sensor (17) has one side connected to the sense tube and another side connected to a vapor cavity so that the pressure sensor can measure a differential pressure (DP) between a volume of the vapor cavity and a volume of the sense tube containing liquid fuel. A temperature sensor (26) is in the vapor cavity. A processor 1) receives DP and T measurements at certain time intervals to determine the temperature at time zero (T0), the differential pressure at time zero (DP0), the temperature at a certain time (Tt), and the differential pressure at a certain time (DPt), and 2) when (Tt?T0) is greater than a certain value, compares DPt to a certain differential pressure value.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: June 10, 2014
    Assignee: Continental Automotive Systems, Inc.
    Inventors: Paul D. Perry, Adrian O. Crisan
  • Patent number: 8689613
    Abstract: A vapor management system (10) includes a fuel tank (12), a canister (14), a pressure control valve (16) between the tank and canister and defining a high pressure side (34) and a low pressure side (32), a vacuum source (18), a purge valve (19) between the canister and vacuum source, a leak detection valve (20) connected with the canister and including a processor (30). A pressure sensor (24) and a temperature sensor (26) are disposed in a fuel vapor cavity of the fuel tank, with signals from the sensors being received by the processor. Based on an absolute temperature measured by the temperature sensor, the processor compares a predicted pressure in the fuel tank to the measured absolute pressure, and identifies a leak on the high pressure side if the predicted pressure is outside a tolerance range, while maintaining pressure in the fuel tank.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: April 8, 2014
    Assignee: Continental Automotive Systems, Inc.
    Inventor: Paul D. Perry
  • Publication number: 20130139792
    Abstract: A vapor management system (10) includes a sense tube (47) disposed in a fuel tank (12). A differential pressure sensor (17) has one side connected to the sense tube and another side connected to a vapor cavity so that the pressure sensor can measure a differential pressure (DP) between a volume of the vapor cavity and a volume of the sense tube containing liquid fuel. A temperature sensor (26) is in the vapor cavity. A processor 1) receives DP and T measurements at certain time intervals to determine the temperature at time zero (T0), the differential pressure at time zero (DP0), the temperature at a certain time (Tt), and the differential pressure at a certain time (DPt), and 2) when (Tt-T0) is greater than a certain value, compares DPt to a certain differential pressure value.
    Type: Application
    Filed: December 2, 2011
    Publication date: June 6, 2013
    Applicant: CONTINENTAL AUTOMOTIVE SYSTEMS US, INC.
    Inventors: Paul D. Perry, Adrian O. Crisan
  • Publication number: 20130074583
    Abstract: A vapor management system (10) includes a fuel tank (12), a canister (14), a pressure control valve (16) between the tank and canister and defining a high pressure side (34) and a low pressure side (32), a vacuum source (18), a purge valve (19) between the canister and vacuum source, a leak detection valve (20) connected with the canister and including a processor (30). A pressure sensor (24) and a temperature sensor (26) are disposed in a fuel vapor cavity of the fuel tank, with signals from the sensors being received by the processor. Based on an absolute temperature measured by the temperature sensor, the processor compares a predicted pressure in the fuel tank to the measured absolute pressure, and identifies a leak on the high pressure side if the predicted pressure is outside a tolerance range, while maintaining pressure in the fuel tank.
    Type: Application
    Filed: September 28, 2011
    Publication date: March 28, 2013
    Applicant: CONTINENTAL AUTOMOTIVE SYSTEMS US, INC.
    Inventor: Paul D. PERRY
  • Patent number: 7562560
    Abstract: A technique is provided for detecting leaks in a fuel system such as an automotive fuel system. The technique complements an on-board diagnostics evaporative leak monitor that uses natural vacuum leak detection (NVLD). The technique utilizes the same switch and valve utilized by NVLD. Before engine shut-down, the system maintains a vacuum in the fuel tank and also provides a low-level purge flow. Upon engine shut-down, a timer is started and the NVLD switch is monitored to determine how long the vacuum is maintained in the tank. If the vacuum is maintained longer than a predetermined time period, then the system determines that the leak test is passed. If the vacuum decays faster than the predetermined time period, then the NVLD test is performed and system determines that the system passes the leak test if the NVLD test is passed.
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: July 21, 2009
    Assignee: Continental Automotive Canada, Inc.
    Inventor: Paul D. Perry
  • Patent number: 7543601
    Abstract: A valve apparatus includes a housing, which defines an interior chamber, a baffle disposed in the interior chamber, and a volume of liquid. The housing includes first, second and third portions. The first portion includes first and second ports that communicate with the interior chamber. The second portion is spaced from the first portion along a longitudinal axis. And the third portion extends along the longitudinal axis between the first and second portions. The baffle at least partially defines a helical fluid flow path between the first and second ports, and the volume of the liquid is disposed in the second portion of the housing.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: June 9, 2009
    Assignee: Continental Automotive Canada, Inc.
    Inventors: Gilles Delaire, Kirk Ivens, Paul D. Perry, Andre Veinotte
  • Patent number: 7490624
    Abstract: A valve apparatus includes a housing, which defines an interior chamber, a baffle disposed in the interior chamber, and a volume of liquid. The housing includes first, second and third portions. The first portion includes first and second ports that communicate with the interior chamber. The second portion is spaced from the first portion along a longitudinal axis. And the third portion extends along the longitudinal axis between the first and second portions. The baffle at least partially defines a helical fluid flow path between the first and second ports, and the volume of the liquid is disposed in the second portion of the housing.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: February 17, 2009
    Assignee: Continental Automotive Canada, Inc.
    Inventors: Gilles Delaire, Kirk Ivens, Paul D. Perry, Andre Veinotte
  • Patent number: 7481414
    Abstract: A pressure management apparatus (10) includes a housing (30) defining a fluid communication passage between first and second fluid ports (46, 48). A poppet (40) is disposed in the housing and is movable between first and second positions. The first position prevents fluid communication between the first and second ports and the second position permits fluid communication between the first and second ports. The poppet includes a structure (75) translatable along an axis relative to the housing. At least a portion of the structure includes a permanent magnet (72). A member (78) is fixed with respect to the housing and is associated with the structure. At least a portion of the member is of ferrous material such that the magnet is attracted to the member so that at least a portion of the poppet frictionally engages the member to create a dashpot damping of resonance of the poppet in the second position.
    Type: Grant
    Filed: May 1, 2007
    Date of Patent: January 27, 2009
    Assignee: Siemens Canada Limited
    Inventor: Paul D. Perry
  • Patent number: 7347192
    Abstract: A fuel vapor pressure management apparatus for an internal combustion engine includes a housing, a pressure operable device, and a printed circuit board. The pressure operable device moves between first and second configurations with respect to the housing. The printed circuit board is supported by the housing and includes a delay and a sensor. The delay commences upon internal combustion engine shutdown and concludes after a preset period. And the sensor indicates movement of the pressure operable device in the first configuration after the conclusion of the preset period.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: March 25, 2008
    Assignee: Continential Automotive Systems US, Inc.
    Inventors: Paul D. Perry, Andre Veinotte
  • Patent number: 7302964
    Abstract: A housing and a method of using a liquid for controlling vapor flow through a valve apparatus between a canister and atmospheric conditions. The housing includes a container and a first partition that projects from the housing into the liquid and divides the vapor chamber into first and second vapor sub-chambers. A second partition projects from the container into the first vapor sub-chamber. And a third partition projects from the container into the second vapor sub-chamber. The housing contains the liquid in an upright arrangement of the valve apparatus, and prevents the liquid from flowing out of the container in a non-upright arrangement of the valve apparatus.
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: December 4, 2007
    Assignee: Siemens VDO Automotive Canada Inc.
    Inventors: Paul D. Perry, Andre Veinotte
  • Publication number: 20070256671
    Abstract: A pressure management apparatus (10) includes a housing (30) defining a fluid communication passage between first and second fluid ports (46, 48). A poppet (40) is disposed in the housing and is movable between first and second positions. The first position prevents fluid communication between the first and second ports and the second position permits fluid communication between the first and second ports. The poppet includes a structure (75) translatable along an axis relative to the housing. At least a portion of the structure includes a permanent magnet (72). A member (78) is fixed with respect to the housing and is associated with the structure. At least a portion of the member is of ferrous material such that the magnet is attracted to the member so that at least a portion of the poppet frictionally engages the member to create a dashpot damping of resonance of the poppet in the second position.
    Type: Application
    Filed: May 1, 2007
    Publication date: November 8, 2007
    Applicant: Siemens Canada Limited
    Inventor: Paul D. Perry
  • Patent number: 7194893
    Abstract: A method and sensor or sensor subsystem permit improved evaporative leak detection in an automotive fuel system. The sensor or sensor subsystem computes temperature-compensated pressure values, thereby eliminating or reducing false positive or other adverse results triggered by temperature changes in the fuel tank. The temperature-compensated pressure measurement is then available for drawing an inference regarding the existence of a leak with reduced or eliminated false detection arising as a result of temperature fluctuations.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: March 27, 2007
    Assignee: Siemens Canada Limited
    Inventors: John E. Cook, Paul D. Perry
  • Patent number: 7089919
    Abstract: A purge valve is provided for a vehicle. The purge valve 10 includes a body 12 to be coupled to an intake manifold 40 of the vehicle and to a canister 33. The body has an orifice 20 for communicating vapor from the canister 33 with airflow in the intake manifold 40. A valve 18 is movable between a first position closing the orifice 20 and a second position opening the orifice. A shape memory alloy (SMA) structure 31 is associated with the valve such that when electric current is provided to the SMA structure 31 to heat the SMA structure above a transformation temperature thereof, the SMA structure transforms from an original shape to a second shape, thereby causing the valve 18 to move from the first position to the second position, and when the current is removed from the SMA structure, the SMA structure returns to the original shape, thereby permitting the valve 18 to return to the first position.
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: August 15, 2006
    Assignee: Siemens VDO Automotive Inc.
    Inventors: Paul D. Perry, Andre Veinotte
  • Patent number: 7086276
    Abstract: A method and sensor or sensor subsystem permit improved evaporative leak detection in an automotive fuel system. The sensor or sensor subsystem computes temperature-compensated pressure values, thereby eliminating or reducing false positive or other adverse results triggered by temperature changes in the fuel tank. The temperature-compensated pressure measurement is then available for drawing an inference regarding the existence of a leak with reduced or eliminated false detection arising as a result of temperature fluctuations.
    Type: Grant
    Filed: June 28, 2004
    Date of Patent: August 8, 2006
    Assignee: Siemens VDO Automotive Inc.
    Inventors: John E. Cook, Paul D. Perry
  • Patent number: 7040301
    Abstract: A fuel system supplying fuel to an internal combustion engine of a vehicle. The fuel system includes an integrated pressure management system managing pressure and detecting leaks in the fuel system. The integrated pressure management system also performs a leak diagnostic for the headspace in a fuel tank, a canister that collects volatile fuel vapors from the headspace, a purge valve, and all associated hoses and connections.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: May 9, 2006
    Assignee: Siemens VDO Automotive Inc.
    Inventors: Paul D. Perry, John E. Cook
  • Patent number: 7025084
    Abstract: An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the head space in a fuel tank, a canister that collects volatile fuel vapors from the head space, a purge valve, and all associated.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: April 11, 2006
    Assignee: Siemens VDO Automotive Inc.
    Inventors: Paul D. Perry, John E. Cook