Patents by Inventor Jean-Claude Lemoal
Jean-Claude Lemoal 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: 9699417Abstract: A device for searching for defects on parts that are masked, such as turbine engine blades, the device including a tubular sheath, a light-guide guiding light, an image-transmission mechanism transmitting images housed inside the sheath, an examination head at a distal end of the sheath including an illumination mechanism and an image-taking mechanism connected to the light-guide and to the image-transmission mechanism housed in the sheath, a mechanism spraying a succession of penetrant test materials on the part for inspection including a capillary slidably guided in a duct housed in the sheath, and a mechanism adjusting orientation of the examination head at the distal end of the sheath.Type: GrantFiled: February 28, 2012Date of Patent: July 4, 2017Assignee: SNECMAInventors: Sadia Bousquet, Pascal Cendrier, Jean-Claude Lemoal, Jean Rovegno
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Patent number: 9693021Abstract: A device for searching for defects on parts that are masked, such as turbine engine blades, the device including a tubular sheath, a light-guide guiding light, an image-transmission mechanism transmitting images housed inside the sheath, an examination head at a distal end of the sheath including an illumination mechanism and an image-taking mechanism connected to the light-guide and to the image-transmission mechanism housed in the sheath, a mechanism spraying a succession of penetrant test materials on the part for inspection including a capillary slidably guided in a duct housed in the sheath, and a mechanism adjusting orientation of the examination head at the distal end of the sheath.Type: GrantFiled: January 25, 2017Date of Patent: June 27, 2017Assignee: SAFRAN AIRCRAFT ENGINESInventors: Sadia Bousquet, Pascal Cendrier, Jean-Claude Lemoal, Jean Rovegno
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Publication number: 20170134626Abstract: A device for searching for defects on parts that are masked, such as turbine engine blades, the device including a tubular sheath, a light-guide guiding light, an image-transmission mechanism transmitting images housed inside the sheath, an examination head at a distal end of the sheath including an illumination mechanism and an image-taking mechanism connected to the light-guide and to the image-transmission mechanism housed in the sheath, a mechanism spraying a succession of penetrant test materials on the part for inspection including a capillary slidably guided in a duct housed in the sheath, and a mechanism adjusting orientation of the examination head at the distal end of the sheath.Type: ApplicationFiled: January 25, 2017Publication date: May 11, 2017Applicant: SNECMAInventors: Sadia BOUSQUET, Pascal CENDRIER, Jean-Claude LEMOAL, Jean ROVEGNO
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Patent number: 8872512Abstract: A bench for magnetoscopically testing a tubular part, the bench including a tool of elongate shape for inserting inside the part and carrying an endoscopic mechanism for ultraviolet illumination of the inside surface of the part and for observing any defects of the part, and an indexing mechanism co-operating by mutual engagement with external references of the tool that are regularly distributed over at least a fraction of its length to control accurately the advance and the position of the tool inside the part.Type: GrantFiled: June 8, 2010Date of Patent: October 28, 2014Assignee: SNECMAInventors: Guillaume Lainay, Jean-Claude Lemoal, Lionel Thierry
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Publication number: 20130321612Abstract: A device for searching for defects on parts that are masked, such as turbine engine blades, the device including a tubular sheath, a light-guide guiding light, an image-transmission mechanism transmitting images housed inside the sheath, an examination head at a distal end of the sheath including an illumination mechanism and an image-taking mechanism connected to the light-guide and to the image-transmission mechanism housed in the sheath, a mechanism spraying a succession of penetrant test materials on the part for inspection including a capillary slidably guided in a duct housed in the sheath, and a mechanism adjusting orientation of the examination head at the distal end of the sheath.Type: ApplicationFiled: February 28, 2012Publication date: December 5, 2013Applicant: SNECMAInventors: Sadia Bousquet, Pascal Cendrier, Jean-Claude Lemoal, Jean Rovegno
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Publication number: 20120086441Abstract: A bench for magnetoscopically testing a tubular part, the bench including a tool of elongate shape for inserting inside the part and carrying an endoscopic mechanism for ultraviolet illumination of the inside surface of the part and for observing any defects of the part, and an indexing mechanism co-operating by mutual engagement with external references of the tool that are regularly distributed over at least a fraction of its length to control accurately the advance and the position of the tool inside the part.Type: ApplicationFiled: June 8, 2010Publication date: April 12, 2012Applicant: SNECMAInventors: Guillaume Lainay, Jean-claude Lemoal, Lionel Thierry
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Patent number: 7794395Abstract: Apparatus for searching for and detecting defects on parts that are substantially inaccessible, being located behind a wall, the apparatus comprising a first endoscope for illumination in visible light and for observation, the first endoscope and pipes for feeding and spraying penetration test substances being housed together in a rod which can be passed through an orifice in the wall in order to examine a part, the apparatus further comprising a second endoscope independent of the first endoscope and the rod for illuminating in ultraviolet light and for observing the portion of the part that has been treated by the penetration test substances.Type: GrantFiled: August 8, 2008Date of Patent: September 14, 2010Assignees: SNECMA, SNECMA ServicesInventors: Isabelle Bonningue, John Le Quellec, Jean-Claude Lemoal, Michel Baccella
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Patent number: 7651464Abstract: Apparatus for searching for and detecting defects on parts that are substantially inaccessible, being located behind a wall, the apparatus comprising a first endoscope for illumination in visible light and for observation, the first endoscope and pipes for feeding and spraying penetration test substances being housed together in a rod which can be passed through an orifice in the wall in order to examine a part, the apparatus further comprising a second endoscope independent of the first endoscope and the rod for illuminating in ultraviolet light and for observing the portion of the part that has been treated by the penetration test substances.Type: GrantFiled: July 1, 2004Date of Patent: January 26, 2010Assignees: Snecma, Snecma ServicesInventors: Isabelle Bonningue, John LeQuellec, Jean-Claude Lemoal, Michel Baccella
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Publication number: 20080297785Abstract: Apparatus for searching for and detecting defects on parts that are substantially inaccessible, being located behind a wall, the apparatus comprising a first endoscope for illumination in visible light and for observation, the first endoscope and pipes for feeding and spraying penetration test substances being housed together in a rod which can be passed through an orifice in the wall in order to examine a part, the apparatus further comprising a second endoscope independent of the first endoscope and the rod for illuminating in ultraviolet light and for observing the portion of the part that has been treated by the penetration test substances.Type: ApplicationFiled: August 8, 2008Publication date: December 4, 2008Applicant: SNECMAInventors: Isabelle Bonningue, John Le Quellec, Jean-Claude Lemoal, Michel Baccella
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Publication number: 20050200842Abstract: Apparatus for searching for and detecting defects on parts that are substantially inaccessible, being located behind a wall, the apparatus comprising a first endoscope for illumination in visible light and for observation, the first endoscope and pipes for feeding and spraying penetration test substances being housed together in a rod which can be passed through an orifice in the wall in order to examine a part, the apparatus further comprising a second endoscope independent of the first endoscope and the rod for illuminating in ultraviolet light and for observing the portion of the part that has been treated by the penetration test substances.Type: ApplicationFiled: July 1, 2004Publication date: September 15, 2005Applicants: SNECMA MOTEURS, SNECMA SERVICESInventors: Isabelle Bonningue, John Le Quellec, Jean-Claude Lemoal, Michel Baccella