Patents by Inventor Peter Droscher
Peter Droscher 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: 11821522Abstract: The invention relates to a mechanical seal assembly comprising a mechanical seal (2) with a rotating slide ring (3) and a stationary slide ring (4) defining a seal gap (5) therebetween, a pretensioning device (6) which biases the stationary slide ring (4) in the axial direction (X-X) of the slide ring seal arrangement, a support ring (7) which is arranged on the stationary slide ring (4), the support ring (7) being axially movable relative to the stationary slide ring (4) the pretensioning device (6) being arranged between the support ring (7) and the stationary slide ring, a fixing device (8) which is arranged for axially movable fixing the support ring (7) to a stationary component, a stop (9) which limits a distance (W1) by which the axially movable support ring (7) can be moved, and a secondary seal (10) which is arranged to seal between the support ring (7) and the stationary component.Type: GrantFiled: December 17, 2019Date of Patent: November 21, 2023Assignee: EagleBurgmann Germany GmbH & Co. KGInventors: Peter Droscher, Robert Reischl, Thomas Stemplinger, Carsten Scholz
-
Patent number: 11448322Abstract: The invention relates to a mechanical seal arrangement comprising a mechanical seal (10) including a rotating slide ring (2) and a stationary slide ring (3), defining a seal gap (4) therebetween, a one-piece, ring-shaped slide ring carrier (5), which holds the stationary slide ring (3), a one-piece, ring-shaped cover (6), which is arranged on the slide ring carrier (5), a one-piece, ring-shaped housing (7), which is detachably fixed to the cover (6) using fixing device (8), and a one-piece first retaining ring (9), which is detachably arranged on the slide ring carrier (5), wherein the stationary slide ring (3) is clamped between the first retaining ring (9) and the cover (6), and wherein the slide ring carrier (5) is connected to the slide ring carrier (5) by means of at least one elastic biasing member (19) such that the slide ring carrier (5) can perform movements in the axial direction of the mechanical seal arrangement together with the stationary slide ring (3).Type: GrantFiled: March 11, 2019Date of Patent: September 20, 2022Assignee: EagleBurgmann Germany GmbH & Co. KGInventors: Peter Droscher, Hans Steigenberger
-
Publication number: 20220128152Abstract: The invention relates to a mechanical seal assembly comprising a mechanical seal (2) with a rotating slide ring (3) and a stationary slide ring (4) defining a seal gap (5) therebetween, a pretensioning device (6) which biases the stationary slide ring (4) in the axial direction (X-X) of the slide ring seal arrangement, a support ring (7) which is arranged on the stationary slide ring (4), the support ring (7) being axially movable relative to the stationary slide ring (4) the pretensioning device (6) being arranged between the support ring (7) and the stationary slide ring, a fixing device (8) which is arranged for axially movable fixing the support ring (7) to a stationary component, a stop (9) which limits a distance (W1) by which the axially movable support ring (7) can be moved, and a secondary seal (10) which is arranged to seal between the support ring (7) and the stationary component.Type: ApplicationFiled: December 17, 2019Publication date: April 28, 2022Applicant: EagleBurgmann Germany GmbH & Co. KGInventors: Peter Droscher, Robert Reischl, Thomas Stemplinger, Carsten Scholz
-
Publication number: 20210231219Abstract: The invention relates to a mechanical seal arrangement comprising a mechanical seal (10) including a rotating slide ring (2) and a stationary slide ring (3), defining a seal gap (4) therebetween, a one-piece, ring-shaped slide ring carrier (5), which holds the stationary slide ring (3), a one-piece, ring-shaped cover (6), which is arranged on the slide ring carrier (5), a one-piece, ring-shaped housing (7), which is detachably fixed to the cover (6) using fixing device (8), and a one-piece first retaining ring (9), which is detachably arranged on the slide ring carrier (5), wherein the stationary slide ring (3) is clamped between the first retaining ring (9) and the cover (6), and wherein the slide ring carrier (5) is connected to the slide ring carrier (5) by means of at least one elastic biasing member (19) such that the slide ring carrier (5) can perform movements in the axial direction of the mechanical seal arrangement together with the stationary slide ring (3).Type: ApplicationFiled: March 11, 2019Publication date: July 29, 2021Applicant: EagleBurgmann Germany GmbH & Co. KGInventors: Peter Droscher, Hans Steigenberger
-
Patent number: 10955054Abstract: A mechanical seal arrangement includes a first mechanical seal with a rotating slide ring and a stationary slide ring, which define a sealing gap in between them. The mechanical seal arrangement includes a first sealing space that is filled with a sealing liquid. The first mechanical seal seals off the sealing space against a surrounding area, a first piston arrangement with a piston element and flexible wall areas that define a first piston interior space, wherein the first piston interior space is in fluid connection with the first sealing space. A piston outer surface of the piston element is in fluid connection with the surrounding area, and a first pre-stressing appliance that exerts a first preload force (F1) on the piston element of the first piston arrangement.Type: GrantFiled: April 18, 2017Date of Patent: March 23, 2021Assignee: EagleBurgmann Germany GmbH & Co. KGInventors: Peter Droscher, Andreas Pehl, Dieter Pfeil, Berthold Schulten, Glenn Schmidt, Eric Vanhie
-
Publication number: 20190219169Abstract: The invention relates to a mechanical seal arrangement, comprising: a first mechanical seal (10) with a rotating slide ring (11) and a stationary slide ring (12), which define a sealing gap (13) in between them, a first sealing space (14) that is filled with a sealing liquid, wherein the first mechanical seal (10) seals off the sealing space (14) against a surrounding area (6), a first piston arrangement (15) with a piston element (16) and flexible wall areas that define a first piston interior space (160), wherein the first piston interior space (160) is in fluid connection with the first sealing space (14), wherein a piston outer surface of the piston element (16) is in fluid connection with the surrounding area (6), and a first pre-stressing appliance (19) that exerts a first preload force (F1) on the piston element (16) of the first piston arrangement (15).Type: ApplicationFiled: April 18, 2017Publication date: July 18, 2019Applicant: EagleBurgmann Germany GmbH & Co. KGInventors: Peter Droscher, Andreas Pehl, Dieter Pfeil, Berthold Schulten, Glenn Schmidt, Eric Vanhie
-
Patent number: 9909668Abstract: The invention relates to a mechanical seal arrangement comprising a rotating slide ring (2) and a stationary slide ring (3) which define a sealing gap (4) between them, a holding ring (5) for holding the stationary slide ring (3), and a housing (6), a clamp connection (7) being provided between the housing (6) and the holding ring (5) by way of at least one clamp component (8).Type: GrantFiled: March 17, 2014Date of Patent: March 6, 2018Assignee: EagleBurgmann Germany GmbH & Co. KGInventors: Bernhard Jenisch, Joseph Fichtner, Peter Droscher, Josef Gerg
-
Patent number: 9556960Abstract: A seal ring for a mechanical seal, comprising a base body, a first layer applied to a first face side of a base body, and a second layer applied to a second face side of the base body. At least one of the layers is configured as a slide surface of the seal ring.Type: GrantFiled: August 2, 2012Date of Patent: January 31, 2017Assignees: EagleBurgmann Germany GmbH & Co. KG, Fraunhofergesellschaft Zur Forderung Der angewandten Forschung E.V.Inventors: Jörg Thelke, Rudolf Schicktanz, Joachim Otschik, Peter Droscher, Ferdinand Werdecker, Klaus Lang, Thomas Keller, Berthold Schulten, Peter Haselbacher, Rolf Johannes, Sven Meier, Stefan Schnakenberg
-
Publication number: 20160084384Abstract: The invention relates to a mechanical seal arrangement comprising a rotating slide ring (2) and a stationary slide ring (3) which define a sealing gap (4) between them, a holding ring (5) for holding the stationary slide ring (3), and a housing (6), a clamp connection (7) being provided between the housing (6) and the holding ring (5) by way of at least one clamp component (8).Type: ApplicationFiled: March 17, 2014Publication date: March 24, 2016Applicant: EAGLEBURGMANN GERMANY GMBH & CO. KGInventors: Bernhard Jenisch, Joseph Fichtner, Peter Droscher, Josef Gerg
-
Publication number: 20150369369Abstract: The invention refers to a mechanical seal arrangement, comprising: a rotatable seal ring (2), a stationary seal ring (3) and a secondary seal device (5), said secondary seal device (5) being made in one piece and comprising a secondary seal (51) and a ring element (52) of different materials, and the ring element (52) being arranged on the secondary seal (51) on a side directed to the stationary seal ring (3).Type: ApplicationFiled: November 7, 2013Publication date: December 24, 2015Inventors: Joachim Otschik, Peter Droscher, Andreas Fesl, Thomas Holzapfel, Klaus Lang, Gunther Lederer, Petia Philippi, Rudolf Schicktanz, Andreas Schrufer, Berthold Vogel
-
Publication number: 20140319776Abstract: The present invention refers to a seal ring for a mechanical seal, comprising a base body (2), a first layer (3) applied to a first face side (2a) of a base body (2), and a second layer (4) applied to a second face side (2b) of the base body (2), wherein at least one of the layers (3) is configured as a slide surface of the seal ring. Furthermore, the present invention refers to a method for producing such a seal ring.Type: ApplicationFiled: August 2, 2012Publication date: October 30, 2014Inventors: Jörg Theike, Rudolf Schlcktanz, Joachim Otschik, Peter Dröscher, Ferdinand Werdecker, Klaus Lang, Thomas Keller, Berthold Schulten, Peter Haselbacher, Rolf Johannes, Sven Meier, Stefan Schnakenberg
-
Patent number: 8523186Abstract: A slide ring seal arrangement comprises a rotationally fixed slide ring (4) and a slide ring (11), which is provided for rotating together with a rotating component, these slide rings each being held in a loose seat and interacting, in, in essence, radially oriented sealing surfaces, which are prestressed with a main prestressing force while in contact with one another. Each slide ring, on its front face that faces away from the sealing surface, is axially supported on a supporting part (14, 17) via an annular bearing surface (16, 20) provided between the respective supporting part and the adjacent front face of the respective slide ring. A load ratio (d12?dH2)/(d12?d22) of =2.0, preferably between 0.8 and 2.0, preferably no greater than between 1.0 and 1.5, more preferably approximately 1.3 is maintained on the bearing surface (16, 20). The measurement (d1?d2) of each bearing surface (16, 20) is equal to =10 mm, preferably between 0.2 and 2.0, preferably no more than approximately 0.6 mm.Type: GrantFiled: July 6, 2006Date of Patent: September 3, 2013Assignee: EagleBurgmann Germany GmbH & Co. KGInventors: Andreas Schrüfer, Manfred Oppler, Günther Lederer, Armin Laxander, Klaus Lang, Rolf Johannes, Andreas Fesl, Peter Dröscher
-
Patent number: 8191899Abstract: The present invention refers to an apparatus for rotationally fixing a seal ring (4) of a mechanical seal assembly retained at a mounting component (1) to be axially movable, comprising a force transmitting ring (10) retained at the mounting component to be axially movable and a rotation prevention device comprising at least one first engaging member (17) configured to engage with the mounting component and the force transmitting ring in a form-fit manner and at least one second engaging member (18) configured to engage with the force transmitting ring and the seal ring in a form-fit manner, the first engaging member being arranged circumferentially offset with respect to the second engaging member, characterized in that the engaging members (17, 18) protrude axially from the force transmitting ring (10) or the seal ring (4) toward the respectively other component (seal ring or force transmitting ring) and are configured to be received in axial recesses (19, 20) provided in the respectively other component wiType: GrantFiled: November 17, 2008Date of Patent: June 5, 2012Assignee: Eagleburgmann Germany GmbH & Co., KGInventors: Peter Droscher, Armin Laxander, Günther Lederer, Petia Philippi, Andreas Schrüfer
-
Publication number: 20110175297Abstract: The invention relates to a slide ring seal arrangement comprising: a first stationary slide ring (2) having a first slide surface (2a), a second rotating slide ring (3) having a second slide surface (3a), wherein the rotating slide ring (3) rotates together with a rotating component (10) and wherein the slide surfaces (2a, 3a) of the slide rings (2, 3) are disposed opposite of each other and define a sealing gap (4) between each other, a dynamic secondary seal (13) that is arranged on a side (2b) of the stationary slide ring (2) facing away from the sealing gap (4) and seals a housing sealing region (12), a pretensioning device (7) that applies a pretension in the axial direction onto the stationary slide ring (2), and a filter element (14; 24) that has a substantially ring shape and is arranged in the radial direction further from a rotational axis (X-X) than the housing sealing region (12), in order to prevent dirt particles from depositing on the secondary seal (13) or on the housing sealing region (12).Type: ApplicationFiled: July 15, 2009Publication date: July 21, 2011Inventors: Andreas Fesl, Peter Dröscher
-
Publication number: 20110042903Abstract: A slide ring seal arrangement comprises a rotationally fixed slide ring (4) and a slide ring (11), which is provided for rotating together with a rotating component, these slide rings each being held in a loose seat and interacting, in, in essence, radially oriented sealing surfaces, which are prestressed with a main prestressing force while in contact with one another. Each slide ring, on its front face that faces away from the sealing surface, is axially supported on a supporting part (14, 17) via an annular bearing surface (16, 20) provided between the respective supporting part and the adjacent front face of the respective slide ring. A load ratio (d12?dH2)/(d12?d22) of =2.0, preferably between 0.8 and 2.0, preferably no greater than between 1.0 and 1.5, more preferably approximately 1.3 is maintained on the bearing surface (16, 20). The measurement (d1?d2) of each bearing surface (16, 20) is equal to =10 mm, preferably between 0.2 and 2.0, preferably no more than approximately 0.6 mm.Type: ApplicationFiled: July 6, 2006Publication date: February 24, 2011Applicant: Burgmann Industries GmbH & Co. KGInventors: Andreas Schrüfer, Manfred Oppler, Günther Lederer, Armin Laxander, Klaus Lang, Rolf Johannes, Andreas Fesl, Peter Dröscher
-
Patent number: 7862046Abstract: A mechanical seal assembly including at least one pair of co-operating seal rings, one of which is provided for common rotation with a rotating component and the other of which is provided rotationally fixed at a stationary component. One of the seal rings is axially movable and axially biased with a biasing force against the other seal ring, the biasing force being transmittable through a force transmitting ring to the respective seal ring, in order to bias facing sliding surfaces of the seal rings, between which a sealing gap is formed during operation, in a mutual sealing engagement, and a secondary sealing assembly provided at the force transmitting ring for sealing the axially movable seal ring with respect to at least one circumferential guiding surface of a guiding component guiding the movement of the seal ring and the force transmitting ring.Type: GrantFiled: November 17, 2008Date of Patent: January 4, 2011Assignee: EagleBurgmann Germany GmbH & Co. KGInventors: Günther Lederer, Andreas Schrüfer, Peter Dröscher, Petia Philippi, Armin Laxander
-
Patent number: 7823885Abstract: A dual seal assembly, in particular for sealing a gas compressor, includes a first mechanical seal assembly including a pair of co-operating seal rings, one of which is provided for common rotation with a rotating component and the other of which is provided rotationally fixed at a stationary component. A second mechanical seal assembly includes a pair of co-operating seal rings, one of which is provided for common rotation with a rotating component and the other of which is provided rotationally fixed at a stationary component. One of the seal rings is axially movable and axially biased with a biasing force against the respectively other seal ring to bias facing sliding surfaces of the seal ringss in a mutual sealing engagement. A secondary sealing assembly is provided for sealing the axially movable seal ring with respect to at least one circumferential guiding surface of a guiding component.Type: GrantFiled: November 17, 2008Date of Patent: November 2, 2010Assignee: EagleBurgmann Germany GmbH & Co. KGInventors: Peter Dröscher, Michael Sattler, Gerard Hamelink, Günther Lederer
-
Publication number: 20090152818Abstract: The present invention refers to an apparatus for rotationally fixing a seal ring (4) of a mechanical seal assembly retained at a mounting component (1) to be axially movable, comprising a force transmitting ring (10) retained at the mounting component to be axially movable and a rotation prevention device comprising at least one first engaging member (17) configured to engage with the mounting component and the force transmitting ring in a form-fit manner and at least one second engaging member (18) configured to engage with the force transmitting ring and the seal ring in a form-fit manner, the first engaging member being arranged circumferentially offset with respect to the second engaging member, characterized in that the engaging members (17, 18) protrude axially from the force transmitting ring (10) or the seal ring (4) toward the respectively other component (seal ring or force transmitting ring) and are configured to be received in axial recesses (19, 20) provided in the respectively other component wiType: ApplicationFiled: November 17, 2008Publication date: June 18, 2009Applicant: Burgmann Industries GmbH & Co. KGInventors: Peter Droscher, Armin Laxander, Gunther Lederer, Petia Philippi, Andreas Schrufer
-
Publication number: 20090134583Abstract: The present invention discloses a dual seal assembly, in particular for sealing a gas compressor, comprising a first mechanical seal assembly (30) including a pair of co-operating seal rings (31, 32), one of which is provided for common rotation with a rotating component (60) and the other of which is provided rotationally fixed at a stationary component (1), a second mechanical seal assembly (40) including a pair of co-operating seal rings (4, 5), one of which is provided for common rotation with a rotating component (60) and the other of which is provided rotationally fixed at a stationary component (1), one of the seal rings being axially movable and axially biased with a biasing force against the respectively other seal ring, said biasing force being transmittable through a force transmitting ring (10) to the respective seal ring, in order to bias facing sliding surfaces (7, 8) of the seal rings, between which a sealing gap is formed during operation, in a mutual sealing engagement, and a secondary sealinType: ApplicationFiled: November 17, 2008Publication date: May 28, 2009Applicant: Burgmann Industries GmbH & Co. KGInventors: Peter Droscher, Michael Sattler, Gerard Hamelink, Gunther Lederer
-
Publication number: 20090134584Abstract: The invention refers to a mechanical seal assembly comprising at least one pair of co-operating seal rings (4, 5), one of which is provided for common rotation with a rotating component and the other of which is provided rotationally fixed at a stationary component, one of the seal rings being axially movable and axially biased with a biasing force against the respectively other seal ring, said biasing force being transmittable through a force transmitting ring (10) to the respective seal ring, in order to bias facing sliding surfaces (7, 8) of the seal rings, between which a sealing gap is formed during operation, in a mutual sealing engagement, and a secondary sealing assembly provided at the force transmitting ring (10) for sealing the axially movable seal ring with respect to at least one circumferential guiding surface (16, 18) of a guiding component (1) guiding the movement of the seal ring and the force transmitting ring, wherein the secondary sealing assembly comprises at least one annular sealing memType: ApplicationFiled: November 17, 2008Publication date: May 28, 2009Applicant: Burgmann Industries GmbH & Co. KGInventors: Gunther Lederer, Andreas Schrufer, Peter Droscher, Petia Philippi, Armin Laxander