公开(公告)号：US10852212B2

公开(公告)日：2020-12-01

申请号：US16072308

申请日：2017-01-30

申请人： INFICON GmbH

发明人： Daniel Wetzig ,  Silvio Decker ,  Jochen Puchalla-König

IPC分类号： G01M3/32 ,  G01M3/36 ,  G01M3/38

摘要： The invention relates to a method for leakage detection on at least one flexible test piece in a film chamber, including inserting the at least one test piece into a film chamber, lowering the pressure in the film chamber outside the at least one test piece, and detecting a leakage in the at least one test piece by observing the spatial change of the film of the film chamber. The outer contour of the at least one test piece is transferred to at least one section of the film by the lowering of the pressure in the film chamber. The contour of the film is recorded with an image recording system, and the recorded images of the contour are compared with reference images of said contour in the event of a tight test piece.

公开(公告)号：US10514317B2

公开(公告)日：2019-12-24

申请号：US15126495

申请日：2015-03-12

申请人： INFICON GmbH

发明人： Daniel Wetzig ,  Silvio Decker

IPC分类号： G01M3/32 ,  G01N21/3504 ,  G01N21/49 ,  G01N21/64 ,  G01N21/65 ,  G01N21/03

摘要： A method for a tightness test of a test piece (16) in a test chamber (10) whose wall is at least partly made of a flexible material, wherein said test piece is introduced into said test chamber and said test chamber is then evacuated, is characterized in that the tightness test is performed by measuring the gas density inside said test chamber (10) in the area outside said test piece (16).

公开(公告)号：US20190212221A1

公开(公告)日：2019-07-11

申请号：US16330902

申请日：2017-09-28

申请人： INFICON GmbH

发明人： Silvio Decker

IPC分类号： G01M3/20

CPC分类号： G01M3/205

摘要： A sniffer leak detector is provided herein, including a sniffer probe and a vacuum pump which are connected to each other by a gas flow path, a gas analyzer arranged along the gas flow path and analyzes the gas taken in by the vacuum pump through the sniffer probe. The sniffer leak detector further includes a distance sensor that detects the distance between the sniffer probe and the test object, and a control is linked to the distance sensor. The control is designed to vary the carrier gas flow transported along the gas flow path, depending on the measured distance.

公开(公告)号：US10309862B2

公开(公告)日：2019-06-04

申请号：US15511050

申请日：2015-09-14

申请人： INFICON GmbH

发明人： Silvio Decker ,  Norbert Rolff

IPC分类号： G01M3/26 ,  G01M3/32

摘要： A film chamber for receiving a test object which is to be tested with respect to the presence of a leak, wherein the film chamber has walls enclosing a film chamber volume, said walls having at least one flexible wall region, wherein a measuring volume adjoining the flexible wall region is arranged on the side of the flexible wall region which is situated opposite the film chamber volume and is hermetically separated from the film chamber volume.

公开(公告)号：US20190145852A1

公开(公告)日：2019-05-16

申请号：US16243513

申请日：2019-01-09

申请人： Inficon GMBH

发明人： Silvio Decker ,  Daniel Wetzig ,  Hjalmar Bruhns ,  Stefan Mebus

IPC分类号： G01M3/32

摘要： A method for leak detection of a test specimen includes providing an evacuable film test chamber which is operatively coupled to a pressure measuring device, and at least one processor operatively coupled to the pressure measuring device; measuring a pressure within the evacuable film test chamber by the pressure measuring device at predetermined times during a measurement period of time; calculating by the processor, a first or higher order derivative of a pressure change with respect to time at a first predetermined time, and a first or higher order derivative of a pressure change with respect to time at least at a second predetermined time during the measurement period of time, to provide at least a pair of derivative values; and categorizing by the processor a leaky or tight state of the specimen under test by a pattern recognition process based on the pair of derivative values.

公开(公告)号：US10119883B2

公开(公告)日：2018-11-06

申请号：US15126470

申请日：2015-03-12

申请人： INFICON GmbH

发明人： Hendrik van Triest ,  Silvio Decker

IPC分类号： G01M3/32

摘要： An evacuable flexible test chamber (10) for a leakage test of a test piece, having a wall (12) surrounding a test chamber volume (36), is characterized in that at least a portion of said wall is made up of two layers (18, 20) of wall material of which at least the layer (20) facing said test chamber volume (36) is made from a flexible material, and that between said two layers (18, 20) an overpressure as compared to the atmosphere surrounding said test chamber (10) is adapted to be created.

公开(公告)号：US20150276543A1

公开(公告)日：2015-10-01

申请号：US14436191

申请日：2013-10-02

申请人： INFICON GMBH

发明人： Silvio Decker

IPC分类号： G01M3/32

CPC分类号： G01M3/3218 ,  G01M3/007 ,  G01M3/027 ,  G01M3/227

摘要： An improved leakage testing device for attachment to a flexible wall of an item to be tested is provided with a film (4) that limits a hollow chamber (1) on the outer side of the item to be tested and with a leakage (2), said film (4) being designed to adhere to the item to be tested.

摘要翻译： 一种改进的用于连接到待测试物品的柔性壁的泄漏测试装置设置有限制待测试物品的外侧上的中空室（1）和泄漏（2）的膜（4） 所述胶片（4）被设计成粘附在被测试物品上。

公开(公告)号：US11841300B2

公开(公告)日：2023-12-12

申请号：US16332597

申请日：2017-09-18

申请人： INFICON GmbH

发明人： Silvio Decker

IPC分类号： G01N1/24 ,  G01N1/22 ,  G01M3/20

CPC分类号： G01N1/24 ,  G01M3/205 ,  G01N2001/2285

摘要： A sniffer probe for a gas analyzer is provided herein, the sniffer probe designed to suction gas and can be connected to the gas analyzer and includes a sniffer tip with a suction opening, such that gas is suctioned through the suction opening along a central perpendicular to the suction opening, and the sniffer tip has at least one elongate gas-guiding element, which is arranged substantially parallel to the central perpendicular and distally protrudes beyond the suction opening.

公开(公告)号：US10670489B2

公开(公告)日：2020-06-02

申请号：US15513715

申请日：2015-09-22

申请人： INFICON GmbH

发明人： Silvio Decker

IPC分类号： G01M3/32 ,  G01M3/00

摘要： A method for calibrating a test chamber, which encloses an interior volume (20), is designed as a film chamber (12) comprising at least one flexible wall region (14, 16), and is connected in a gas-conducting way to a pressure sensor (30), to a vacuum pump (26), and via a calibration valve (34) to a calibration chamber (36) enclosing a calibration volume (37), comprising the following steps: evacuating the film chamber (12); measuring the pressure difference inside of the film chamber (12); after the evacuation has been completed, connecting the calibration volume (37) in a gas-conducting manner to the interior volume (20) of the film chamber (12) while measuring the pressure change, wherein the pressure in the calibration chamber (36) is greater than the pressure in the film chamber (12) before the connection to the film chamber (12). A corresponding device is likewise disclosed.

公开(公告)号：US10352815B2

公开(公告)日：2019-07-16

申请号：US14436191

申请日：2013-10-02

申请人： Inficon GmbH

发明人： Silvio Decker

IPC分类号： G01M3/00 ,  G01M3/32 ,  G01M3/02 ,  G01M3/22

摘要： An improved leakage testing device for attachment to a flexible wall of an item to be tested is provided with a film (4) that limits a hollow chamber (1) on the outer side of the item to be tested and with a leakage (2), said film (4) being designed to adhere to the item to be tested.