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).
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Patent number: 7505829Abstract: 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: GrantFiled: December 13, 2005Date of Patent: March 17, 2009Assignee: Delphi Technologies, Inc.Inventors: Raghunath P. Khetan, Pravin Khurana, Ravi Duggirala
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Patent number: 7424334Abstract: 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: GrantFiled: December 13, 2005Date of Patent: September 9, 2008Assignee: Delphi Technologies, Inc.Inventors: Pravin Khurana, Raghunath P. Khetan, Ravi Duggirala
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Patent number: 7308386Abstract: 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: GrantFiled: October 24, 2001Date of Patent: December 11, 2007Assignee: Delphi Technologies, Inc.Inventors: Diane M. Landers, Pravin Khurana, Bradley T. Muscott
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Patent number: 7245984Abstract: 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: GrantFiled: January 31, 2003Date of Patent: July 17, 2007Assignee: Delphi Technologies, Inc.Inventors: Diane M. Landers, Pravin Khurana, Bradley T. Muscott
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Publication number: 20070038329Abstract: 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: ApplicationFiled: December 13, 2005Publication date: February 15, 2007Inventors: Pravin Khurana, Raghunath Khetan, Ravi Duggirala
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Patent number: 7110849Abstract: 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: GrantFiled: October 24, 2001Date of Patent: September 19, 2006Assignee: Delphi Technologies, Inc.Inventors: Diane M. Landers, Pravin Khurana
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Patent number: 7099804Abstract: 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: GrantFiled: October 24, 2001Date of Patent: August 29, 2006Assignee: Delphi Technologies, Inc.Inventors: Diane M. Landers, Pravin Khurana, Thomas Beyer, Sailaja S. Devarankonda
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Publication number: 20060161285Abstract: 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: ApplicationFiled: December 13, 2005Publication date: July 20, 2006Inventors: Raghunath Khetan, Pravin Khurana, Ravi Duggirala
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Patent number: 7079908Abstract: 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: GrantFiled: January 31, 2003Date of Patent: July 18, 2006Assignee: Delphi Technologies,Inc.Inventor: Pravin Khurana
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Publication number: 20060129271Abstract: 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: ApplicationFiled: December 13, 2005Publication date: June 15, 2006Inventors: Pravin Khurana, Raghunath Khetan, Kevin Marseilles
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Patent number: 6985793Abstract: 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: GrantFiled: January 31, 2003Date of Patent: January 10, 2006Assignee: Delphi Technologies, Inc.Inventors: Diane M. Landers, Bradley T. Muscott, Pravin Khurana
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Patent number: 6950719Abstract: 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: GrantFiled: January 31, 2003Date of Patent: September 27, 2005Assignee: Delphi Technologies, Inc.Inventors: Diane M. Landers, Pravin Khurana, Bradley T. Muscott
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Patent number: 6839606Abstract: 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: GrantFiled: October 24, 2001Date of Patent: January 4, 2005Assignee: Delphi Technologies, Inc.Inventors: Diane M. Landers, Pravin Khurana
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Patent number: 6775581Abstract: 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: GrantFiled: October 24, 2001Date of Patent: August 10, 2004Assignee: Delphi Technologies, Inc.Inventors: Diane M. Landers, Pravin Khurana
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Publication number: 20040153202Abstract: 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: ApplicationFiled: January 31, 2003Publication date: August 5, 2004Inventors: Diane M. Landers, Pravin Khurana, Bradley T. Muscott
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Publication number: 20040153200Abstract: 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: ApplicationFiled: January 31, 2003Publication date: August 5, 2004Inventors: Diane M. Landers, Pravin Khurana, Bradley T. Muscott
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Publication number: 20040153201Abstract: 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: ApplicationFiled: January 31, 2003Publication date: August 5, 2004Inventors: Diane M. Landers, Bradley T. Muscott, Pravin Khurana
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Publication number: 20040153186Abstract: 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: ApplicationFiled: January 31, 2003Publication date: August 5, 2004Inventor: Pravin Khurana
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Patent number: 6735489Abstract: 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: GrantFiled: January 14, 2000Date of Patent: May 11, 2004Inventors: Pravin Khurana, Diane M. Landers
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Publication number: 20030004596Abstract: 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: ApplicationFiled: October 24, 2001Publication date: January 2, 2003Inventors: Diane M. Landers, Pravin Khurana