Patents by Inventor Peter Ziemer
Peter Ziemer 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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Publication number: 20130196814Abstract: A power-shiftable transmission, in particular an automatic transmission for a vehicle, which comprises a plurality of frictional shifting elements and at least one interlocking shifting element (A, B, C, D, E) and a plurality of gearwheels which can be engaged in a power flow by the shifting elements (A, B, C, D, E). In order to engage a gear step, at least two associated shifting elements (A, B, C, D, E) are engaged and at least one interlocking shifting element (B), as a shifting element (B) to be engaged, is associated with a gear step to be engaged with a supporting gear.Type: ApplicationFiled: September 19, 2011Publication date: August 1, 2013Inventors: Gerhard Gumpoltsberger, Bernhard Sich, Matthias Reisch, Manuel Goetz, Mark Mohr, Ralf Dreibholz, Peter Ziemer, Gert Bauknecht
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Publication number: 20130196808Abstract: A transmission comprises an input shaft and an output shaft and two power paths between the input shaft and a main gear set. The transmission also comprises a first, second, third and fourth shafts, wherein at least one electric machine can be connected to one of the shafts of the main gear set, the first shaft can be connected via a first shifting element to a first power path and via a second shifting element to a second power path, the second shaft can be connected via a third shifting element to the first power path and via a fourth shifting element to the second power path, the third shaft is continuously connected to the output shaft, the fourth shaft can be fixed via a sixth shifting element and can be connected via a fifth shifting element to the first power path.Type: ApplicationFiled: January 30, 2013Publication date: August 1, 2013Inventor: Peter Ziemer
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Publication number: 20130196809Abstract: A transmission comprises an input shaft, an output shaft and at least two power paths between the input shaft and a driving gear set with a first, second, third and fourth shafts, wherein a first power paths has a first fixed gear ratio and a second of the power paths has a second fixed gear ratio smaller than the first fixed gear ratio. The first shaft can be fixed by a first gear-shifting element, and can be connected by a second-gear shifting element to the first power path. The second shaft can be connected by a third gear-shifting element to the first power path and by a fourth gear-shifting element to the second power path. The third shaft is permanently connected to the output shaft. The fourth shaft can be connected by a fifth gear-shifting element to the second power path and can be fixed by a sixth gear-shifting element.Type: ApplicationFiled: January 30, 2013Publication date: August 1, 2013Inventor: Peter Ziemer
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Patent number: 8496562Abstract: A method is described for the operation of a transmission device (1) with a plurality of frictional shift elements (A, D, E, F) and at least one interlocking shift element (B, C) for obtaining various gear ratios. When a command is received for a gearshift during which the interlocking shift element (C) has to be changed from an open to a closed operating condition, the interlocking shift element (C) is at least approximately synchronized by increasing the transmission capacity of at least one frictional shift element (A) which does not have to be engaged in the force flow either to obtain the gear ratio that is to be disengaged or to obtain the gear ratio that is to be engaged.Type: GrantFiled: January 13, 2010Date of Patent: July 30, 2013Assignee: ZF Friedrichshafen AGInventors: Jorg Arnold, Klaus Steinhauser, Valentine Herbeth, Christian Popp, Thilo Schmidt, Peter Ziemer, Gabor Diosi, Christoph Margraf
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Patent number: 8485934Abstract: A multi-ratio transmission comprising four planetary gearsets, eight rotary shafts and six shifting elements including first, second, third and fourth clutches and first and second brakes. The shafts either directly couple or selectively couple, via the shifting elements, the gearsets to each other or a housing of the transmission so as to implement nine forward gears and one reverse gear.Type: GrantFiled: August 11, 2010Date of Patent: July 16, 2013Assignee: ZF Friedrichshafen AGInventors: Gerhard Gumpoltsberger, Christian Sibla, Stefan Beck, Josef Haupt, Gert Bauknecht, Peter Ziemer
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Patent number: 8460144Abstract: An arrangement which comprises at least one claw clutch for the shiftable coupling and decoupling of a shaft (1), in an automatic transmission of a planetary design, with at least one component. The shaft can be connected to a component of the planetary gearset (4) and the claw clutch is arranged centrally, substantially inside a sun gear (3) of the planetary gearset (4).Type: GrantFiled: May 19, 2010Date of Patent: June 11, 2013Assignee: ZF Friedrichshafen , AGInventor: Peter Ziemer
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Patent number: 8444525Abstract: A transmission comprising four planetary gear sets, eight shafts and six shift elements. The sun gear of gear set (P1) is fixed via brake (04), the carrier of gear set (P1) is fixed via brake (03) and the drive via clutch (13), and shaft (6) via clutch (36). Sixth shaft (6) is connected to the ring gear of gear set (P2) and the sun gear of gear set (P4), the drive is connected to the sun gear of gear set (P2) and is connectable to the carrier of gear set (P3). Seventh shaft (7) is connected to the ring gear of gear set (P1) and the carrier of gear set (P2), and is connectable to the sun gear of gear set (P3). The ring gear of the fourth gear set (P4) is connectable to the housing via brake (05). The output is connected to the ring gear of third gear set (P3) and the carrier of fourth gear set (P4).Type: GrantFiled: August 19, 2010Date of Patent: May 21, 2013Assignee: ZF Friedrichshafen AGInventors: Gerhard Gumpoltsberger, Christian Sibla, Stefan Beck, Josef Haupt, Gert Bauknecht, Peter Ziemer
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Patent number: 8444524Abstract: A multi step transmission comprises planetary gearsets (P1, P2, P3, P4), shafts and shift elements. The sun gear of gearset (P1) couples housing (G). The carrier of gearset (P1) couples shaft (3), which couples housing (G) via brake (03), drive shaft (01) via clutch (13), and shaft (5) via clutch (35). Shaft (5) operatively couples the sun gear of gearset (P3) and couples the ring gear of gearset (P2) and the sun gear of set (P4). Shaft (1) couples, via clutch (17), shaft (7), which couples the sun gear of gearset (P2), and operatively couples the carrier of gearset (P3). Shaft (6) couples the ring gear of gearset (P1) and the carrier of gearset (P2) The ring gear of gearset (P4) couples shaft (4), which couples housing (G) via brake (04), and output shaft (2) couples the ring gear of gearset (P3) and the carrier of set (P4).Type: GrantFiled: August 19, 2010Date of Patent: May 21, 2013Assignee: ZF Friedrichshafen AGInventors: Gerhard Gumpoltsberger, Christian Sibla, Stefan Beck, Josef Haupt, Gert Bauknecht, Peter Ziemer
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Patent number: 8419587Abstract: A multi step transmission comprising planetary gearsets (P1, P2, P3, P4), shafts and shift elements. The sun gear of gearset (P1) couples shaft (4) which couples housing (G) via brake (04). The carrier of gearset (P1) couples shaft (3), which couples housing (G) via brake (03), drive shaft (1) via clutch (13), and shaft (6) via clutch (36). Shaft (6) couples the ring gear of gearset (P2) and the sun gear of set (P4), and, via clutch (68), shaft (8), which couples the sun gear of gearset (P3). Shaft (1) couples the sun gear of gearset (P2) and the carrier of set (P3). Shaft (7) couples the ring gear of set (P1) and the carrier of gearset (P2). The ring gear of set (P4) couples shaft (5) which couples housing (G) via brake (05). Output shaft (2) couples the ring gear and carrier of gearsets (P3, P4) respectively.Type: GrantFiled: August 19, 2010Date of Patent: April 16, 2013Assignee: ZF Friedrichshafen AGInventors: Gerhard Gumpoltsberger, Christian Sibla, Stefan Beck, Josef Haupt, Gert Bauknecht, Peter Ziemer
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Patent number: 8403803Abstract: A multi-stage transmission comprising planetary gearsets (P1, P2, P3, P4), shafts and shift elements. The sun gear of gearset (P1) couples drive shaft (1). The carrier of gearset (P1) couples shaft (3) which can couple housing (G) via brake (03), shaft (1) via clutch (13), which couples the carrier of gearset (P4), and shaft (6), via clutch (36). Shaft (6) couples the ring gear of gearset (P2) and the sun gears of gearsets (P3, P4). Shaft (7) couples the ring gear of gearset (P1) and the carrier of gearset (P2). The sun gear of set (P2) couples shaft (4), which can couple housing (G) via brake (04). The ring gear of gearset (P3) couples shaft (5), which can couple housing (G) via brake (05) and output shaft (2) operatively couples the ring gear of gearset (P4), is connected to the carrier of gearset (P3).Type: GrantFiled: August 19, 2010Date of Patent: March 26, 2013Assignee: ZF Friedrichshafen AGInventors: Gerhard Gumpoltsberger, Christian Sibla, Stefan Beck, Josef Haupt, Gert Bauknecht, Peter Ziemer
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Patent number: 8398522Abstract: A multi-stage transmission comprising planetary gearsets (P1, P2, P3, P4), shafts, and shift elements. Gearsets (P1, P2) form a front -mounted gear gearset and gearsets (P3, P4) form a main gearset. The carriers of gearsets (P1, P2) are coupled via shaft (4) which couples a main gearset element. The ring gear of gearset (P1) couples the sun gear of gearset (P2) via shaft (8) that couples drive shaft (1) via clutch (18). The sun gear of gearset (P1) couples housing (G) by shaft (3) via brake (03), and shaft (1) via clutch (13). The ring gear of gearset (P2) couples housing (G) by shaft (5) via brake (05). Shaft (7) couples main gearset element, and, via brake (07), housing (G). Shaft (6) couples another main gearset element and, via clutch (16), shaft (1). The output shaft couples a further main gearset element.Type: GrantFiled: February 4, 2009Date of Patent: March 19, 2013Assignee: ZF Friedrichshafen AGInventors: Gert Bauknecht, Gerhard Gumpoltsberger, Peter Ziemer, Mark Mohr
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Publication number: 20120295755Abstract: A vehicle multi-speed automatic transmission which comprises an input shaft (AN) and an output shaft (AB); first, second, third and fourth planetary gear sets (RS1, RS2, RS3, RS4); at least third, fourth, fifth, sixth, seventh and eighth rotatable shafts (3, 4, 5, 6, 7, 8); and first, second, third, fourth and fifth shifting elements (A, B, C, D, E) whose selective engagement, in combinations of three engaged shifting elements, defines different gear ratios, between the input shaft (AN) and the output shaft (AB), for implementing eight forward gears and at least one reverse gear. When shifting from one forward gear into a successive higher or lower forward gear, only a single one of the first, the second, the third, the fourth and the fifth shift elements is disengaged and only a single one of the first, the second, the third, the fourth and the fifth shift elements is engaged.Type: ApplicationFiled: August 2, 2012Publication date: November 22, 2012Applicant: ZF FRIEDRICHSHAFEN AGInventors: Michael KAMM, Gabor DIOSI, Josef HAUPT, Gerhard GUMPOLTSBERGER, Peter ZIEMER, Martin BREHMER
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Patent number: 8303455Abstract: A multi speed transmission comprising planetary gearsets (P1, P2, P3, P4), shafts and shift elements. The sun gear of gearset (P1) couples shaft (4) which can couple housing (G) via brake (04) and the carrier of set (P1) couples shaft (3) which can couple housing (G), via brake (03), and drive shaft (1) via clutch (13), and shaft (6) via clutch (36). Shaft (6) couples the ring gear of gearset (P2) and the sun gears of gearsets (P3, P4). Shaft (1) couples the sun gear of gearset (P2) and is operatively connected to the carrier of gearset (P3). Shaft (7) couples the ring gear of set (P1) and the carrier of gearset (P2). The ring gear of gearset (P4) couples shaft (5) which can couple housing (G) via brake (05) and output shaft (2) operatively couples the carrier of gearset (P4) and the ring gear of gearset (P3).Type: GrantFiled: August 19, 2010Date of Patent: November 6, 2012Assignee: ZF Friedrichshafen AGInventors: Gerhard Gumpoltsberger, Christian Sibla, Stefan Beck, Josef Haupt, Gert Bauknecht, Peter Ziemer
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Patent number: 8287420Abstract: A transmission with forward and reverse gears comprising planetary gearsets, shafts and shift elements. The sun gear of gearset (P1) couples shaft (5) that is connectable, via brake (05), to housing (G). The carriers of gearsets (P1, P2) couple shaft (8) which is connectable, via clutch (18), to drive input shaft (1). Input shaft (1) is connectable, via clutches (16, 14), respectively to shafts (6, 4). Shaft (6) couples the ring gear of gearset (P3). Shaft (4) is connectable, via brake (04), to housing (G) and couples the sun gears of gearsets (P4, P3). The ring gears of gearsets (P1, P2) couple drive output shaft (2). The carrier of gearset (P3) couples shaft (7) which couples a component connecting the ring gear of gearset (P4) and the sun gear of gearset (P2). The carrier of gearset (P4) couples shaft (3) which is connectable, via brake (03), to housing (G).Type: GrantFiled: August 7, 2009Date of Patent: October 16, 2012Assignee: ZF FriedrichshafenInventors: Gerhard Gumpoltsberger, Martin Brehmer, Peter Ziemer, Peter Tiesler, Gabor Diosi, Josef Haupt
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Patent number: 8257218Abstract: A multi-speed automatic transmission of a planetary design for a motor vehicle, the transmission comprises an input shaft and an output shaft; first, second, third and fourth planetary gear sets; and at least third, fourth, fifth, sixth, seventh and eighth rotatable shafts and first and second brakes and first, second and third clutches whose selective engagement defines different gear ratios between the input shaft and the output shaft such that at least eight forward gears and at least one reverse gear can be implemented. When shifting from one forward gear into one of a successive higher and a successive lower forward gear, only a single one of the first and second brakes and the first, second and third clutches is disengaged and only a single one of the first and second brakes and the first, second and third clutches is engaged.Type: GrantFiled: July 11, 2011Date of Patent: September 4, 2012Assignee: ZF Friedrichshafen AGInventors: Michael Kamm, Gabor Diosi, Josef Haupt, Gerhard Gumpoltsberger, Peter Ziemer, Martin Brehmer
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Patent number: 8251859Abstract: A multi step transmission, of a planetary design, which has an external housing and includes a transmission input shaft and a transmission output shaft. First, second, third and fourth planetary gear sets are each accommodated within the transmission housing along with third, fourth, fifth, sixth, seventh and eighth shafts, and at least six shift elements. The at least six shift elements comprises first and second brakes and first, second, third and fourth clutches, whose selected engagement produces different transmission ratios between the drive shaft and the output shaft such that nine separate forward gears and one reverse gear can be achieved. For each of the forward and reverse gears, only three of the six shift elements are engaged.Type: GrantFiled: August 19, 2010Date of Patent: August 28, 2012Assignee: ZF Friedrichshafen AGInventors: Gerhard Gumpoltsberger, Christian Sibla, Stefan Beck, Josef Haupt, Gert Bauknecht, Peter Ziemer
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Patent number: 8251855Abstract: A transmission which comprises an input shaft and an output shaft, first, second, third and fourth planetary gear sets, third, fourth, fifth, sixth, seventh and eighth shafts, first, second, third, fourth and fifth gearshifting elements for achieving eight forward gears and one reverse gear. The first gearshifting element, when engaged, couples the third shaft with a housing of the transmission. The second gearshifting element, when engaged, couples the fourth shaft with the housing of the transmission. The third gearshifting element, when engaged, couples the input first shaft with the fifth shaft. The eighth shaft (8) is coupled with the fourth gearshifting element and the fifth gearshifting element (E), when engaged, couples the fifth shaft (5) and the seventh shaft (7).Type: GrantFiled: August 15, 2011Date of Patent: August 28, 2012Assignee: ZF Friedrichshafen AGInventors: Gabor Diosi, Josef Haupt, Gerhard Gumpoltsberger, Peter Ziemer, Martin Brehmer
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Patent number: 8246504Abstract: The multi step transmission comprising gear sets (P1, P2, P3, P4), eight shafts and six shift elements. The sun gear of set (P1) couples the drive shaft, the carrier of set (P1) couples shaft (3) which couples a housing via brake (03), the drive shaft via clutch (13) and shaft (5) via clutch (35). Shaft (5) couples the ring gear of set (P2), to the sun gears of sets (P3, P4), and the drive shaft couples, via clutch (18), shaft (8) that couples the carrier of set (P4). Shaft (6) couples the ring gear of set (P1) and, via clutch (67), shaft (7) that couples the carrier of set (P2). The sun gear of set (P2) couples the housing. The ring gear of set (P3) couples shaft (4) that couples the housing via brake (04). The output shaft couples the ring gear and carrier of sets (P4, P3) respectively.Type: GrantFiled: August 19, 2010Date of Patent: August 21, 2012Assignee: ZF Friedrichshafen AGInventors: Gerhard Gumpoltsberger, Christian Sibla, Stefan Beck, Josef Haupt, Gert Bauknecht, Peter Ziemer
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Patent number: 8241170Abstract: A multi step transmission comprises planetary gearsets (P1, P2, P3, P4), shafts, and shift elements. The sun gear of gearset (P1) couples shaft (4) which couples housing (G) via brake (04), the carrier of gearset (P1) couples shaft (3) which couples housing (G) via brake (03), the drive shaft via clutch (13), and shaft (5) via clutch (35). Shaft (5) couples the ring gear of gearset (P2) and the sun gear of gearset (P4). Shaft (1) couples the sun gear of gearset (P2) and operatively couples the carrier of gearset (P3). Shaft (6) couples the ring gear and carrier of gearsets (P1, P2) respectively, and operatively couples the sun gear of gearset (P3). The ring gear of gearset (P4) couples housing (G) and output shaft (2) couples the ring gear of gearset (P3), and detachably couples, via clutch (28), shaft (8) which couples the carrier of gearset (P4).Type: GrantFiled: August 19, 2010Date of Patent: August 14, 2012Assignee: ZF Friedrichshafen AGInventors: Gerhard Gumpoltsberger, Christian Sibla, Stefan Beck, Josef Haupt, Gert Bauknecht, Peter Ziemer
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Patent number: 8241171Abstract: A multi step transmission comprising a drive shaft, an output shaft, four planetary gear sets each having a sun gear, a carrier and a ring gear, third, four, fifth, six, seventh and eighth rotatable shafts and at least six shift elements for selectively engaging different transmission ratios between the drive shaft and the output shaft such that nine forward gears and one reverse gear can be implemented. For each one of the nine forward gears and one reverse gear only three of the at least six shift elements are engaged. The sixth shaft is operatively connectable to the sun gear of the third platentary gear set via either a direct connection or a releasable connection.Type: GrantFiled: August 19, 2010Date of Patent: August 14, 2012Assignee: ZF Friedrichshafen AGInventors: Gerhard Gumpoltsberger, Christian Sibla, Stefan Beck, Josef Haupt, Gert Bauknecht, Peter Ziemer