Patents Assigned to Samson AG
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Publication number: 20170175917Abstract: The invention relates to a valve (10, 50, 52) for operating a pressurizing medium driven actuator of a process control valve for technical process equipment, comprising a valve seat (14) in a basic valve body (48), a closing body (12) and an electromagnetic drive (18, 30), which closing body (12) is ball-shaped and cooperates with a valve seat (14) so as to block the flow from an inlet side to an outlet side, said closing body (12) cooperating with a piston surface (20) which can be moved within a piston chamber (25) connected to the inlet side, characterized in that a connecting element (17) is provided between the closing body (12) and the piston surface (20) which is actively connected to an armature (18) of an electromagnetic linear direct drive, with a coil assembly (30) being embedded in the basic valve body (28) and a magnetic field with alternating polarity in the axial direction being present at the armature (18).Type: ApplicationFiled: December 17, 2016Publication date: June 22, 2017Applicant: SAMSON AGInventor: STEFAN KOLBENSCHLAG
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Publication number: 20160076958Abstract: A differential pressure measuring device (10, 50) comprising a housing (18) having two pressure areas (20, 22) which are sealed relative to each other and are separated from each other by a membrane (12, 54). The membrane (12, 54) comprises a pressure plate (14) surrounded by an elastic circumferential area (16) allowing axial movement of the pressure plate (14). An indicator element (24, 56) is permanently connected to the pressure plate (14) and whose position can be evaluated in a non-contact manner by a sensor (34, 58). At least one pair of springs (28, 52) is provided, with one spring (30, 32) each of said pair of springs being located in an allocated pressure area (20, 22). Each spring (30, 32) of said pair of springs (28, 52) exerts an opposing spring force on the pressure plate (14).Type: ApplicationFiled: September 9, 2015Publication date: March 17, 2016Applicant: SAMSON AGInventors: FRANK VALENTIN-RUMPEL, SVEN RAUSCH
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Publication number: 20160018007Abstract: The invention relates to a control valve (10) for controlling a fluid flow, comprising a valve housing (22) and a positioning element (12) which can be translationally moved and which includes a shut-off portion (14, 70) and a throttle portion (16), with a valve seat being furthermore provided which includes a sealing portion (18, 44) and a throttle opening portion (28, 46), with the shut-off portion (14, 70) of said positioning element (12) being adapted to cooperate with the sealing portion (18, 44) of the valve seat (20, 40) so as to enable shut-off of the fluid flow, and with the throttle portion (16) of the positioning element (12, 54) being adapted to cooperate with the throttle opening portion (28, 46) of the valve seat (20, 40, 60) so as to enable the setting of a defined fluid flow, with at least the surfaces of the throttle opening (28) and the sealing portion (18, 44) being furthermore made of the same hard material.Type: ApplicationFiled: July 20, 2015Publication date: January 21, 2016Applicant: SAMSON AGInventor: HOLGER ECKHOLZ
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Publication number: 20150267820Abstract: The invention relates to a control valve (10, 30) for adjusting a flow rate value of said control valve, comprising a valve housing (12) as well as a housing-mounted throttling structure (14, 34, 52) which covers a flow channel and includes at least two passages (16, 36, 54), furthermore a second closing structure (18, 40, 56) which can be moved relative to the housing-mounted throttling structure (14, 34, 52), which closing structure (18, 40, 56) can be moved so as to close the passages (16, 36, 54) in such a way that the flow rate through the passages covered by the closing structure is lower than the flow rate through the uncovered passages (16, 36, 54). The invention is characterized in that guide means (22, 44) are arranged outside a passage area of the housing-mounted throttling structure (14, 34, 54) defined by passages (16, 36, 52), said guide means (22, 44) acting to support and guide the movable closing structure (18, 40, 56) spaced from the housing-mounted throttling structure (14, 34, 52).Type: ApplicationFiled: March 20, 2015Publication date: September 24, 2015Applicant: SAMSON AGInventor: JORG KIESBAUER
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Patent number: 9068665Abstract: The invention relates to a process valve (10) comprising a valve seat (14), a flow restrictor (12), a valve rod (16) and a drive unit (18) acting thereon, with a force measuring device (20, 44) being connected between said drive unit (18) and said flow restrictor (12). The invention is characterized in that said force measuring device (49) includes a spring (30, 46), and said force measuring device (29, 44) comprises a travel measuring device (38, 42, 50, 52) so as to allow the force acting on it to be determined based on the change in the deflection of the spring (30, 46) caused by the force acting on it.Type: GrantFiled: May 31, 2013Date of Patent: June 30, 2015Assignee: SAMSON AGInventors: Joerg Kiesbauer, Stefan Kolbenschlag, Karl-Bernd Schaertner
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Patent number: 8991268Abstract: A method for determining a break-away force in an actuator is provided, the actuator comprising an actuator armature including a positioning element movable in relation to the actuator housing. The positioning element is movable by means of an actuator drive such that a driving force is applied through the actuator drive to the positioning element. The actuator is in a resting state in the beginning, the driving energy required for moving the actuator drive is successively increased, wherein the driving energy is converted into a driving force by driving means, and a measurement value at the actuator drive is measured by at least one sensor, wherein as soon as a change of the measurement value is detected, a state is verified in which a holding force counteracts the movement of the position element.Type: GrantFiled: August 21, 2012Date of Patent: March 31, 2015Assignee: Samson AGInventor: Fausto Crespo Vidal
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Patent number: 8960687Abstract: The invention relates to a workholder (10) for holding a workpiece to be processed in a machine tool, which workholder (10) is in the form of a annular body (12) having a central through hole (14), said annular body (12) having at least one weakened area (18, 20; 34, 36, 38, 40; 50, 52, 54, 56) obtained by material removal, as well as at least one pressure chamber (22; 42, 44; 58, 60) assigned to said at least one weakened area (18, 20; 34, 36, 38, 40; 50, 52, 54, 56) that can be charged with a pressurized fluid. Said at least one weakened area (18, 20; 34, 36, 38, 40; 50, 52, 54, 56) is dimensioned and arranged so as to cause said annular body (12) to be elastically deformable in an axial and/or a radial direction (a, r). As a result, with pressure acting on said pressure chamber (22; 42, 44; 58, 60), said annular body (12) can then be deformed elastically in a well-defined manner in an axial and/or a radial direction (a, r).Type: GrantFiled: February 20, 2011Date of Patent: February 24, 2015Assignee: Samson AGInventor: Helmut Fuchs
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Publication number: 20150016867Abstract: The invention relates to a coupling (10) which comprises a first component (12) and a second component (14) as well as a spring-loaded entrainer (16) which is spring-loaded and mounted on said first component (12), which second component (14) is furthermore rotatably mounted relative to said first component (12) and can be made to rotate in a first direction of rotation—the freewheeling direction (F)—and in a second direction of rotation—the blocking direction (S)—opposite to said first direction of rotation, which second component (12) furthermore comprises a guide means (18) which is designed so as to prevent a spring-loaded entrainer (16) from engaging said guide means (18) during rotation of said second component (14) in the freewheeling direction (F).Type: ApplicationFiled: July 11, 2014Publication date: January 15, 2015Applicant: SAMSON AGInventor: FRANK VALENTIN-RUMPEL
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Publication number: 20130340864Abstract: The invention relates to a process valve (10) comprising a valve seat (14), a flow restrictor (12), a valve rod (16) and a drive unit (18) acting thereon, with a force measuring device (20, 44) being connected between said drive unit (18) and said flow restrictor (12). The invention is characterized in that said force measuring device (49) includes a spring (30, 46), and said force measuring device (29, 44) comprises a travel measuring device (38, 42, 50, 52) so as to allow the force acting on it to be determined based on the change in the deflection of the spring (30, 46) caused by the force acting on it.Type: ApplicationFiled: May 31, 2013Publication date: December 26, 2013Applicant: SAMSON AGInventors: JOERG KIESBAUER, STEFAN KOLBENSCHLAG, KARL-BERND SCHAERTNER
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Patent number: 8505578Abstract: The invention relates to an actuator (10) for controlling a fluid flow which comprises a valve housing (11), a flow restrictor (18) and a valve seat (16), in which the flow restrictor (18) is designed such that the flow restrictor (18)—together with a closure (22) which is connected to the valve housing (12)—will form a pressure-relieving chamber (28), and as a result, a relative movement of the flow restrictor (18) and the chamber closure (22) together with the actuation will cause the volume of the pressure-relieving chamber (28) to change as a function of the direction of movement, and the flow restrictor (18) has a recess (24) which will allow the fluid to be controlled to flow into the pressure-relieving chamber (28).Type: GrantFiled: June 14, 2011Date of Patent: August 13, 2013Assignee: Samson AGInventor: Eugen Nebel
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Patent number: 8474334Abstract: The invention relates to a process valve (10) comprising a valve seat (14), a flow restrictor (12), a valve rod (16) and a drive unit (18) acting thereon, with a force measuring device (20, 44) being connected between said drive unit (18) and said flow restrictor (12). The invention is characterized in that said force measuring device (49) includes a spring (30, 46), and said force measuring device (29, 44) comprises a travel measuring device (38, 42, 50, 52) so as to allow the force acting on it to be determined based on the change in the deflection of the spring (30, 46) caused by the force acting on it.Type: GrantFiled: July 22, 2011Date of Patent: July 2, 2013Assignee: Samson AGInventors: Joerg Kiesbauer, Stefan Kolbenschlag, Karl-Bernd Schaertner
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Publication number: 20130047745Abstract: A method for determining a break-away force in an actuator is provided, the actuator comprising an actuator armature including a positioning element movable in relation to the actuator housing. The positioning element is movable by means of an actuator drive such that a driving force is applied through the actuator drive to the positioning element. The actuator is in a resting state in the beginning, the driving energy required for moving the actuator drive is successively increased, wherein the driving energy is converted into a driving force by driving means, and a measurement value at the actuator drive is measured by at least one sensor, wherein as soon as a change of the measurement value is detected, a state is verified in which a holding force counteracts the movement of the position element.Type: ApplicationFiled: August 21, 2012Publication date: February 28, 2013Applicant: SAMSON AGInventor: FAUSTO CRESPO VIDAL
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Publication number: 20120275504Abstract: The invention relates to a positioner (10) for an actuator (12) comprising a processing unit (22) and an output unit (20) which can be connected to an actuating drive (15) of an actuator (12), as well as a measurement unit (24). The invention is characterized in that said positioner (10) comprises a current source (26) which can be connected to a voltage source (30) of a control system (14) via a single two-wire current loop (28). The invention furthermore relates to a method for operating a positioner (10) including the transmission of measuring values recorded in the positioner (10) to a higher-level controller (14). The method is characterized in that the actuating signals are transmitted in a digital form whereas the measuring data is transmitted to a higher-level controller in an analog form, with both digital and analog signals being transmitted on the same two-wire line.Type: ApplicationFiled: April 25, 2012Publication date: November 1, 2012Applicant: SAMSON AGInventor: THOMAS KARTE
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Publication number: 20120112104Abstract: The invention relates to an actuator (10) for controlling a fluid flow comprising a basic housing (12a) having an inlet (14) and an outlet (16), a valve seat (18) provided in the basic housing (12) between said inlet and said outlet (14, 16), a valve body (20) that can be operatively connected to the valve seat (18), a valve rod (22) for actuating said valve body (20) as well as means for actuating the valve rod (22). The invention is characterized in that an additional housing (12b) is mounted on said basic housing (12a) in a fluid tight manner and that the basic and additional housings (12a, 12b)—with the exception of the inlet and outlet (14, 16) form a completely sealed housing (12) that is closed on all sides and only includes one circumferential seal (24), and that said valve rod (22) is completely disposed inside said sealed housing (12) without any passage.Type: ApplicationFiled: September 27, 2011Publication date: May 10, 2012Applicant: SAMSON AGInventors: JOERG KIESBAUER, THOMAS KARTE, RUDOLF LAESSLER, KLAUS HOERSCHKEN
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Publication number: 20120091385Abstract: Process valve for controlling and shutting off a fluid stream comprising a valve seat (10, 30) for receiving a movable valve body (14, 32) in a through hole (12, 36), the valve seat (10, 30) and the valve body (14, 32) are adapted to be pressed into and onto a sealing edge (18, 38) in order to prevent a fluid stream through the process valve. A circumferential groove (20, 36) resides in the valve seat and a flexible sealing lip (26, 44) is formed between the groove (20, 36) and the sealing edge (18, 38). The geometry of the groove (20, 36) is formed such that the side surface (22, 40) closer the sealing edge (18, 38) of the groove (20, 36) is arranged such that the size of the sealing lip (26, 44) increases with increasing depth of the groove (20, 36).Type: ApplicationFiled: May 4, 2011Publication date: April 19, 2012Applicant: SAMSON AGInventor: EUGEN NEBEL
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Publication number: 20120091376Abstract: The invention relates to an actuator (10) for controlling a fluid flow comprising a basic housing (12a) having an inlet (14) and an outlet (16), a valve seat (18) provided in the basic housing (12a) between said inlet and said outlet (14,16), a valve body (20) that can be operatively connected to the valve seat (18), a valve rod (22) for actuating said valve body (20) as well as means for actuating the valve rod (22) The invention is characterized in that an additional housing (12b) is mounted on said basic housing (12a) in a fluid tight manner and the means for actuating the valve rod is disposed within the housing(12) formed by the basic and additional housings (12a, 12b).Type: ApplicationFiled: September 27, 2011Publication date: April 19, 2012Applicant: SAMSON AGInventors: JOERG KIESBAUER, THOMAS KARTE, RUDOLF LAESSLER, KLAUS HOERSCHKEN
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Publication number: 20120085948Abstract: The invention relates to an actuator (10) for controlling a fluid flow which comprises a valve housing (11), a flow restrictor (18) and a valve seat (16), in which the flow restrictor (18) is designed such that the flow restrictor (18)—together with a closure (22) which is connected to the valve housing (12)—will form a pressure-relieving chamber (28), and as a result, a relative movement of the flow restrictor (18) and the chamber closure (22) together with the actuation will cause the volume of the pressure-relieving chamber (28) to change as a function of the direction of movement, and the flow restrictor (18) has a recess (24) which will allow the fluid to be controlled to flow into the pressure-relieving chamber (28).Type: ApplicationFiled: June 14, 2011Publication date: April 12, 2012Applicant: SAMSON AGInventor: EUGEN NEBEL
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Publication number: 20120024082Abstract: The invention relates to a process valve (10) comprising a valve seat (14), a flow restrictor (12), a valve rod (16) and a drive unit (18) acting thereon, with a force measuring device (20, 44) being connected between said drive unit (18) and said flow restrictor (12). The invention is characterized in that said force measuring device (49) includes a spring (30, 46), and said force measuring device (29, 44) comprises a travel measuring device (38, 42, 50, 52) so as to allow the force acting on it to be determined based on the change in the deflection of the spring (30, 46) caused by the force acting on it.Type: ApplicationFiled: July 22, 2011Publication date: February 2, 2012Applicant: SAMSON AGInventors: JOERG KIESBAUER, STEFAN KOLBENSCHLAG, KARL-BERND SCHAERTNER
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Patent number: 8056418Abstract: The invention relates to a method for monitoring the functionality of an actuator (1) having a pneumatic drive (2), in particular for monitoring an actuator (1) for a safety valve, including a magnetic valve (4) for controlling the pneumatic drive (2), wherein the magnetic valve (4) is monitored by means of a pressure measurement and is, for this purpose, connected to a first pneumatic conduit (16) to a position controller (3) of the actuator (1) as well as to the pneumatic drive (2) to a second pneumatic conduit (17). The magnetic valve (4) is switched off and on again with a switching time (t2-t1).Type: GrantFiled: August 13, 2009Date of Patent: November 15, 2011Assignee: Samson AGInventors: Jörg Kiesbauer, Domagoj Vnucec
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Publication number: 20110221144Abstract: The invention relates to a workholder (10) for holding a workpiece to be processed in a machine tool, which workholder (10) is in the form of a annular body (12) having a central through hole (14), said annular body (12) having at least one weakened area (18, 20; 34, 36, 38, 40; 50, 52, 54, 56) obtained by material removal, as well as at least one pressure chamber (22; 42, 44; 58, 60) assigned to said at least one weakened area (18, 20; 34, 36, 38, 40; 50, 52, 54, 56) that can be charged with a pressurized fluid. Said at least one weakened area (18, 20; 34, 36, 38, 40; 50, 52, 54, 56) is dimensioned and arranged so as to cause said annular body (12) to be elastically deformable in an axial and/or a radial direction (a, r). As a result, with pressure acting on said pressure chamber (22; 42, 44; 58, 60), said annular body (12) can then be deformed elastically in a well-defined manner in an axial and/or a radial direction (a, r).Type: ApplicationFiled: February 20, 2011Publication date: September 15, 2011Applicant: SAMSON AGInventor: Helmut Fuchs