Patents by Inventor Pravin Khurana

Pravin Khurana 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: 7505829
    Abstract: A system, method, and article of manufacture for determining a productivity rate of a manufacturing system are provided. The manufacturing system has a first and second manufacturing cells. The first and second manufacturing cells has first and second machines, respectively. The method includes predicting a first cycle time indicating a time duration that a part is disposed in the first manufacturing cell. The method further includes predicting a second cycle time indicating a time duration that the part is disposed in the second manufacturing cell. The method further includes calculating a productivity rate of the first and second manufacturing system cells based on the first and second cycle times of the first and second manufacturing cells, respectively.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: March 17, 2009
    Assignee: Delphi Technologies, Inc.
    Inventors: Raghunath P. Khetan, Pravin Khurana, Ravi Duggirala
  • Patent number: 7424334
    Abstract: A system, method, and article of manufacture for determining a process plan for forming at least one feature in a part are provided. The method includes automatically identifying first and second features to be formed in the part by accessing first and second feature parameter data, respectively, stored in a CAD model of the part. The method further includes selecting at least a first manufacturing task identifier associated with a first manufacturing task for forming the first and second features in the part. The first manufacturing task identifier is selected from a plurality of manufacturing task identifiers stored in one or more databases. The method further includes selecting a first machine identifier associated with a first machine for performing at least the first manufacturing task, the first machine identifier being selected from a plurality of machine identifiers stored in one or more databases.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: September 9, 2008
    Assignee: Delphi Technologies, Inc.
    Inventors: Pravin Khurana, Raghunath P. Khetan, Ravi Duggirala
  • Patent number: 7308386
    Abstract: Disclosed herein is a method of horizontally structured CAD/CAM modeling, comprising: establishing a coordinate system; adding a base feature; adding a form feature; where the form feature exhibits an associative relationship with the coordinate system. Also disclosed herein is a horizontally structured CAD/CAM model, comprising: a coordinate system; a base feature; a form feature; where the form feature exhibits an associative relationship with the coordinate system. Further disclosed is a storage medium encoded with a machine-readable computer program code for horizontally structured CAD/CAM modeling. The storage medium including instructions for causing a computer to implement the method of horizontally structured CAD/CAM modeling and manufacturing. Additionally disclosed is a computer data signal for horizontally structured CAD/CAM modeling. The computer data signal comprising code configured to cause a processor to implement a method of horizontally structured CAD/CAM modeling and manufacturing.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: December 11, 2007
    Assignee: Delphi Technologies, Inc.
    Inventors: Diane M. Landers, Pravin Khurana, Bradley T. Muscott
  • Patent number: 7245984
    Abstract: A method of horizontally structured manufacturing process modeling for large process models comprising: selecting a blank for machining into an actual part; and establishing a coordinate system. The method also includes: creating a master process model in a first file comprising: a virtual blank corresponding to said blank and a manufacturing feature; virtual machining of the manufacturing feature into the virtual blank, the manufacturing feature exhibiting an associative relationship with the coordinate system; and generating a group reference link of selected manufacturing features of the master process model. The method also includes generating an in-process model in a separate file from the first file employing the group reference link, the in-process model exhibiting another associative relationship with the master process model. The method also includes generating manufacturing instructions to create the actual part by machining the manufacturing feature into the blank.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: July 17, 2007
    Assignee: Delphi Technologies, Inc.
    Inventors: Diane M. Landers, Pravin Khurana, Bradley T. Muscott
  • Publication number: 20070038329
    Abstract: A system, method, and article of manufacture for determining a process plan for forming at least one feature in a part are provided. The method includes automatically identifying first and second features to be formed in the part by accessing first and second feature parameter data, respectively, stored in a CAD model of the part. The method further includes selecting at least a first manufacturing task identifier associated with a first manufacturing task for forming the first and second features in the part. The first manufacturing task identifier is selected from a plurality of manufacturing task identifiers stored in one or more databases. The method further includes selecting a first machine identifier associated with a first machine for performing at least the first manufacturing task, the first machine identifier being selected from a plurality of machine identifiers stored in one or more databases.
    Type: Application
    Filed: December 13, 2005
    Publication date: February 15, 2007
    Inventors: Pravin Khurana, Raghunath Khetan, Ravi Duggirala
  • Patent number: 7110849
    Abstract: Disclosed herein is a method of horizontally structured CAD/CAM modeling and manufacturing process for fixtures and tooling comprising: selecting a contact area geometry; generating a tooling model corresponding to the contact area geometry; virtual machining the tooling model to generate the fixtures and tooling; and generating machining instructions to create the fixtures and tooling; where the tooling model exhibits an associative relationship with the contact area geometry. Also disclosed herein is a horizontally structured CAD/CAM model for fixtures and tooling, comprising: a selected contact area geometry; a tooling model that corresponds to the contact area geometry, generated from the selected contact area geometry; where the tooling model includes virtual machining operations to generate the fixtures and tooling; and the tooling model exhibits an associative relationship with the contact area geometry.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: September 19, 2006
    Assignee: Delphi Technologies, Inc.
    Inventors: Diane M. Landers, Pravin Khurana
  • Patent number: 7099804
    Abstract: Disclosed is a method of horizontally structured automated CAD/CAM manufacturing process, comprising: selecting a blank for machining into an actual part; establishing a coordinate system; creating a master process model comprising: virtual blank corresponding to the blank; a manufacturing feature; virtual machining of the manufacturing feature into the virtual blank, the manufacturing feature exhibiting an associative relationship with the coordinate system; and generating machining instructions to create the actual part by machining the manufacturing feature into the blank; capturing manufacturing process rules in a spread sheet; and the spread sheet exhibiting an associative relationship with the master process model. Also disclosed is a manufactured part created by a method of horizontally structured automated CAD/CAM manufacturing process.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: August 29, 2006
    Assignee: Delphi Technologies, Inc.
    Inventors: Diane M. Landers, Pravin Khurana, Thomas Beyer, Sailaja S. Devarankonda
  • Publication number: 20060161285
    Abstract: A system, method, and article of manufacture for determining a productivity rate of a manufacturing system are provided. The manufacturing system has a first and second manufacturing cells. The first and second manufacturing cells has first and second machines, respectively. The method includes predicting a first cycle time indicating a time duration that a part is disposed in the first manufacturing cell. The method further includes predicting a second cycle time indicating a time duration that the part is disposed in the second manufacturing cell. The method further includes calculating a productivity rate of the first and second manufacturing system cells based on the first and second cycle times of the first and second manufacturing cells, respectively.
    Type: Application
    Filed: December 13, 2005
    Publication date: July 20, 2006
    Inventors: Raghunath Khetan, Pravin Khurana, Ravi Duggirala
  • Patent number: 7079908
    Abstract: A method of horizontally structured CAD/CAM/CAE modeling for analysis comprising: establishing a horizontally structured model of an object in a CAD/CAM/CAE modeling system; creating an analysis model from the horizontally structured model; and performing analysis employing the analysis model. A horizontally structured analysis model formulated with a CAD/CAM/CAE modeling system comprising: a horizontally structured model of an object; an analysis model created from the horizontally structured model, wherein the analysis model is employed for performing analysis.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: July 18, 2006
    Assignee: Delphi Technologies,Inc.
    Inventor: Pravin Khurana
  • Publication number: 20060129271
    Abstract: A system, method, and article of manufacture for generating a CAD model indicating an amount of material added or removed from a part to form a feature in the part are provided. The method includes generating a first CAD model of the part. The method further includes generating a second CAD model of the part having at least one additional feature not present in the first CAD model. The method further includes generating a third CAD model based on the first and second CAD models indicating the amount of material either added or removed from the first CAD model to form the at least one additional feature in the second CAD model.
    Type: Application
    Filed: December 13, 2005
    Publication date: June 15, 2006
    Inventors: Pravin Khurana, Raghunath Khetan, Kevin Marseilles
  • Patent number: 6985793
    Abstract: A method of horizontally structured CAD/CAM manufacturing with horizontal coordinate systems including selecting a blank for machining into an actual part, establishing a coordinate system; and establishing an other coordinate system. The other coordinate system exhibits an associative relationship with the coordinate system. The method also includes creating a master process model including a virtual blank corresponding to the blank, a manufacturing feature, virtual machining of the manufacturing feature into the virtual blank, the manufacturing feature exhibiting another associative relationship with at least one of the coordinate system and the other coordinate system, and generating manufacturing instructions to create the actual part by machining the manufacturing feature into the blank.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: January 10, 2006
    Assignee: Delphi Technologies, Inc.
    Inventors: Diane M. Landers, Bradley T. Muscott, Pravin Khurana
  • Patent number: 6950719
    Abstract: A method of manipulating manufacturing features in horizontally structured manufacturing process models for large parts, comprising: selecting a manufacturing feature from a plurality of manufacturing features; wherein the horizontally structured manufacturing process model includes a first master process model in a first file with an established coordinate system with an existing sequence of virtual machining each manufacturing feature of the plurality of manufacturing features into a virtual blank, and each manufacturing feature exhibiting an associative relationship with the coordinate system and the virtual blank. The method also includes relocating the selected manufacturing feature of another master process model; and re-sequencing the master process model to establish a new sequence for virtual machining each manufacturing feature of the plurality of manufacturing features into the virtual blank indicative of the relocating.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: September 27, 2005
    Assignee: Delphi Technologies, Inc.
    Inventors: Diane M. Landers, Pravin Khurana, Bradley T. Muscott
  • Patent number: 6839606
    Abstract: Disclosed is a method of horizontally structured CAD/CAM manufacturing for fixtures and tooling comprising: selecting a contact area geometry; creating extracts from a master process model; generating a tooling model corresponding to the contact area geometry; virtual machining the tooling model to generate the fixtures and tooling; and generating machining instructions and drawings to create the fixtures and tooling; where the tooling model exhibits an associative relationship with the contact area geometry.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: January 4, 2005
    Assignee: Delphi Technologies, Inc.
    Inventors: Diane M. Landers, Pravin Khurana
  • Patent number: 6775581
    Abstract: Disclosed herein is a method of horizontally structured CAD/CAM modeling and manufacturing for concurrent product and process design, comprising: selecting a blank for machining into an actual part establishing a coordinate system; and creating a master product and process concurrent model comprising: a virtual blank corresponding to the blank; a manufacturing feature; virtual machining of the manufacturing feature into the virtual blank; where the manufacturing feature exhibits an associative relationship with the coordinate system. The method also includes generating a product drawing of the actual part; and generating machining instructions to create the actual part by machining the manufacturing feature into the blank.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: August 10, 2004
    Assignee: Delphi Technologies, Inc.
    Inventors: Diane M. Landers, Pravin Khurana
  • Publication number: 20040153202
    Abstract: A method of manipulating manufacturing features in horizontally structured manufacturing process models for large parts, comprising: selecting a manufacturing feature from a plurality of manufacturing features; wherein said horizontally structured manufacturing process model includes a first master process model in a first file with an established coordinate system with an existing sequence of virtual machining each manufacturing feature of the plurality of manufacturing features into a virtual blank, and each manufacturing feature exhibiting an associative relationship with the coordinate system and the virtual blank. The method also includes relocating the selected manufacturing feature of another master process model; and re-sequencing the master process model to establish a new sequence for virtual machining each manufacturing feature of the plurality of manufacturing features into the virtual blank indicative of the relocating.
    Type: Application
    Filed: January 31, 2003
    Publication date: August 5, 2004
    Inventors: Diane M. Landers, Pravin Khurana, Bradley T. Muscott
  • Publication number: 20040153200
    Abstract: A method of horizontally structured manufacturing process modeling for large process models comprising: selecting a blank for machining into an actual part; and establishing a coordinate system. The method also includes: creating a master process model in a first file comprising: a virtual blank corresponding to said blank and a manufacturing feature; virtual machining of the manufacturing feature into the virtual blank, the manufacturing feature exhibiting an associative relationship with the coordinate system; and generating a group reference link of selected manufacturing features of the master process model. The method also includes generating an in-process model in a separate file from the first file employing the group reference link, the in-process model exhibiting another associative relationship with the master process model. The method also includes generating manufacturing instructions to create the actual part by machining the manufacturing feature into the blank.
    Type: Application
    Filed: January 31, 2003
    Publication date: August 5, 2004
    Inventors: Diane M. Landers, Pravin Khurana, Bradley T. Muscott
  • Publication number: 20040153201
    Abstract: A method of horizontally structured CAD/CAM manufacturing, comprising with horizontal coordinate systems comprising: selecting a blank for machining into an actual part; establishing a coordinate system; and establishing another coordinate system wherein the another coordinate system exhibits an associative relationship with the coordinate system. The method also includes creating a master process model comprising: a virtual blank corresponding to the blank; a manufacturing feature; virtual machining of the manufacturing feature into the virtual blank, the manufacturing feature exhibiting another associative relationship with at least one of the coordinate system and the another coordinate system; and generating machining instructions to create the actual part by machining the manufacturing feature into the blank.
    Type: Application
    Filed: January 31, 2003
    Publication date: August 5, 2004
    Inventors: Diane M. Landers, Bradley T. Muscott, Pravin Khurana
  • Publication number: 20040153186
    Abstract: A method of horizontally structured CAD/CAM/CAE modeling for analysis comprising: establishing a horizontally structured model of an object in a CAD/CAM/CAE modeling system; creating an analysis model from the horizontally structured model; and performing analysis employing the analysis model. A horizontally structured analysis model formulated with a CAD/CAM/CAE modeling system comprising: a horizontally structured model of an object; an analysis model created from the horizontally structured model, wherein the analysis model is employed for performing analysis.
    Type: Application
    Filed: January 31, 2003
    Publication date: August 5, 2004
    Inventor: Pravin Khurana
  • Patent number: 6735489
    Abstract: Disclosed is a horizontal structure method of CAD/CAM manufacturing where a base feature is provided and one or more form features added to it to form a model. The form features are added in an associative relationship with the base feature, preferable a parent child relationship, but are added in a way as to have substantially no associative relationships with each other. The result is a horizontally-structured Master Process Model where any one form feature can be altered or deleted without affecting the rest of the model. Extracts are then made of the Master Process Model to show the construction of the model feature by feature over time. These extracts are then used to generate manufacturing instructions that are used to machine a real-world part from a blank shaped like the base feature.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: May 11, 2004
    Inventors: Pravin Khurana, Diane M. Landers
  • Publication number: 20030004596
    Abstract: Disclosed herein is a method of horizontally structured CAD/CAM modeling and manufacturing for concurrent product and process design, comprising: selecting a blank for machining into an actual part establishing a coordinate system; and creating a master product and process concurrent model comprising: a virtual blank corresponding to the blank; a manufacturing feature; virtual machining of the manufacturing feature into the virtual blank; where the manufacturing feature exhibits an associative relationship with the coordinate system. The method also includes generating a product drawing of the actual part; and generating machining instructions to create the actual part by machining the manufacturing feature into the blank.
    Type: Application
    Filed: October 24, 2001
    Publication date: January 2, 2003
    Inventors: Diane M. Landers, Pravin Khurana