Patents by Inventor Mats Akerblom
Mats Akerblom 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: 20240141989Abstract: Provided is a clutch engaging arrangement for a clutch of a transmission arrangement. The clutch engaging arrangement includes a spring-loaded connecting rod having a connecting portion arranged at a distance from an engaging member of the clutch engaging arrangement when the engaging member assumes the first disengaged position.Type: ApplicationFiled: October 18, 2019Publication date: May 2, 2024Inventors: Fredrik WALLIN, Mats ÅKERBLOM, Johan SAHLBERG, Max ÖBERG
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Publication number: 20210339624Abstract: A wheel hub arrangement for a driving wheel of a vehicle is provided. The wheel hub arrangement is provided with a planetary gear train including: a centrally arranged sun gear wheel fixed to a drive shaft that extends in an axial direction of the wheel hub arrangement; a set of planet gear wheels distributed circumferentially around and meshing with the sun gear wheel; a ring gear wheel member extending circumferentially around the planet gear wheels and being provided with a ring gear wheel meshing with the planet gear wheels; a stationary planet wheel carrier; an annular rolling-element bearing arranged between the ring gear wheel member and the planet wheel carrier, wherein the ring gear wheel member is configured to be fixed to the driving wheel of the vehicle.Type: ApplicationFiled: September 6, 2018Publication date: November 4, 2021Inventors: Arto HONKANEN, Thomas ANDERSSON, Mats ÅKERBLOM
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Patent number: 10576820Abstract: A wheel hub unit is provided including at least one planetary gear set, including a sun gear, one set of planet gears, a carrier, and a ring gear, wherein each of the planet gears of the set of planet gears is provided with an engagement arrangement adapted for engagement with a corresponding engagement arrangement of the ring gear, wherein the engagement is provided at an engagement area in which the engagement arrangement of the planet gears overlap the engagement arrangement of the ring gear, a bearing, including an inner bearing ring, an outer bearing ring and rolling elements, wherein the inner bearing ring constitutes the ring gear of the planetary gear set, and wherein a center of each of the respective rolling elements is axially displaced in relation to the engagement area. A vehicle including such a wheel hub unit is also provided.Type: GrantFiled: December 22, 2015Date of Patent: March 3, 2020Assignee: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Arto Honkanen, Thomas Andersson, Mats Akerblom
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Patent number: 10495188Abstract: A transmission arrangement for a vehicle includes a first, a second, a third, and a fourth planetary gear set including a sun gear, a planet carrier and a ring gear, respectively, wherein the transmission arrangement further includes a transmission housing, an input shaft and an output shaft, wherein the ring gear of the first planetary gear set and the input shaft are operatively connected to each other; the planet carrier of the first planetary gear set and the planet carrier of the second planetary gear set are operatively connected to each other; the sun gear of the first planetary gear set and the ring gear of the third planetary gear set are operatively connected to each other; the ring gear of the second planetary gear set and the planet carrier of the third planetary gear set are operatively connected to each other; the planet carrier of the third planetary gear set and the sun gear of the fourth planetary gear set are operatively connected to each other; and the planet carrier of the fourth planetaryType: GrantFiled: September 9, 2015Date of Patent: December 3, 2019Assignee: Volvo Construction Equipment ABInventors: Jan Dersjö, Per Mattsson, Mathias Lehikoinen, Mats Akerblom, Jörg Müller, Mirko Leesch, Rico Resch
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Publication number: 20180361849Abstract: A wheel hub unit is provided including at least one planetary gear set, including a sun gear, one set of planet gears, a carrier, and a ring gear, wherein each of the planet gears of the set of planet gears is provided with an engagement arrangement adapted for engagement with a corresponding engagement arrangement of the ring gear, wherein the engagement is provided at an engagement area in which the engagement arrangement of the planet gears overlap the engagement arrangement of the ring gear, a bearing, including an inner bearing ring, an outer bearing ring and lolling elements, wherein the inner bearing ring constitutes the ring gear of the planetary gear set, and wherein a center of each of the respective rolling elements is axially displaced in relation to the engagement area. A vehicle including such a wheel hub unit is also provided.Type: ApplicationFiled: December 22, 2015Publication date: December 20, 2018Applicant: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Arto HONKANEN, Thomas ANDERSSON, Mats AKERBLOM
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Publication number: 20180259041Abstract: A transmission arrangement for a vehicle includes a first, a second, a third, and a fourth planetary gear set including a sun gear, a planet carrier and a ring gear, respectively, wherein the transmission arrangement further includes a transmission housing, an input shaft and an output shaft, wherein the ring gear of the first planetary gear set and the input shaft are operatively connected to each other; the planet carrier of the first planetary gear set and the planet carrier of the second planetary gear set are operatively connected to each other; the sun gear of the first planetary gear set and the ring gear of the third planetary gear set are operatively connected to each other; the ring gear of the second planetary gear set and the planet carrier of the third planetary gear set are operatively connected to each other; the planet carrier of the third planetary gear set and the sun gear of the fourth planetary gear set are operatively connected to each other; and the planet carrier of the fourth planetaryType: ApplicationFiled: September 9, 2015Publication date: September 13, 2018Applicant: Volvo Construction Equipment ABInventors: Jan DERSJÖ, Per MATTSSON, Mathias LEHIKOINEN, Mats AKERBLOM, Jörg MÜLLER, Mirko LEESCH, Rico RESCH
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Publication number: 20180245670Abstract: A transmission arrangement for a vehicle includes a first, a second, a third, and a fourth planetary gear set including a sun gear, a planet carrier and a ring gear, respectively, wherein the transmission arrangement further includes a transmission housing, an input shaft and an output shaft, wherein the ring gear of the first planetary gear set and the input shaft are operatively connected to each other; the sun gear of the first planetary gear set, and the sun gear of the second planetary gear set are operatively connected to each other; the planet carrier of the second planetary gear set and the ring gear of the third planetary gear set are operatively connected to each other; the planet carrier of the third planetary gear set is operatively connected to the transmission housing, the sun gear of the third planetary gear set and the sun gear of the fourth planetary gear set are operatively connected to each other; and the planet carrier of the fourth planetary gear set and, the output shaft are operativelyType: ApplicationFiled: September 9, 2015Publication date: August 30, 2018Applicant: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Jan DERSJÖ, Per MATTSSON, Mathias LEHIKOINEN, Mats ÅKERBLOM, Jörg MÜLLER, Mirko LEESCH, Rico RESCH
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Publication number: 20180231104Abstract: A transmission arrangement for a vehicle includes a first, a second, a third, and a fourth planetary gear set including a sun gear, a planet carrier and a ring gear, respectively, wherein the transmission arrangement further includes a transmission housing, an input shaft and an output shaft, wherein the sun gear of the first planetary gear set and the input shaft are operatively connected to each other; the ring gear of the first planetary gear set and the ring gear of the second planetary gear set are operatively connected to each other; the planet carrier of the second planetary gear set and the sun gear of the third planetary gear set are operatively connected to each other; the sun gear of the second planetary gear set and the planet carrier of the third planetary gear set are operatively connected to each other; the planet carrier of the third planetary gear set and the ring gear of the fourth planetary gear set are operatively connected to each other; and the planet carrier of the fourth planetary gearType: ApplicationFiled: September 9, 2015Publication date: August 16, 2018Applicant: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Jan DERSJÖ, Per MATTSSON, Mathias LEHIKOINEN, Mats AKERBLOM, Jörg MÜLLER, Mirko LEESCH, Rico RESCH
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Publication number: 20180202518Abstract: A transmission arrangement for a vehicle includes a first, a second, a third, and a fourth planetary gear set including a sun gear, a planet carrier and a ring gear, respectively, wherein the transmission arrangement further includes a transmission housing, an input shaft and an output shaft, wherein the planet carrier of the first planetary gear set and the output shaft are operatively connected to each other; the ring gear of the first planetary gear set and the planet carrier of the second planetary gear set are operatively connected to each other; the sun gear of the first planetary gear set and the sun gear of the second planetary gear set are operatively connected to each other; the ring gear of the second planetary gear set and the planet carrier of the third planetary gear set are operatively connected to each other; and two of the sun gear, the planet carrier and the ring gear of the fourth planetary gear set are each operatively connected to a respective one of the input shaft, the sun gear, the plaType: ApplicationFiled: July 10, 2015Publication date: July 19, 2018Applicant: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Jan DERSJÖ, Per MATTSSON, Mathias LEHIKOINEN, Mats AKERBLOM, Jörg MÜLLER, Mirko LEESCH, Rico RESCH
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Publication number: 20180043898Abstract: A method for controlling gear shifting of a working machine includes determining a representation of a first total tractive force of the working machine for the entire set of drive units; initiating a procedure for redistributing the tractive force while maintaining the first total tractive force, including decreasing, at least partly towards a level suitable for shifting gear, the torque and tractive force of at least the first drive unit down, and increasing, in a compensational manner, the torque and tractive force of at least one of the other drive units not subject to gear shifting; monitoring, during the redistribution procedure, a representation of a second total tractive force of the working machine for the other drive units not subject to gear shifting, and, provided that the second total tractive force exceeds a threshold limit that forms a function of the first total tractive force: decreasing the torque and tractive force of at least the first drive unit down to the level suitable for shifting geaType: ApplicationFiled: March 25, 2015Publication date: February 15, 2018Applicant: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Thomas ANDERSSON, Mats ÅKERBLOM
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Patent number: 9598835Abstract: A continuously variable transmission includes a variator unit having a variator input shaft and a variator output shaft; a first planetary gear set having a first, a second and a third planetary member, the first planetary member being one of a ring wheel and a planet carrier, the second planetary member being the other one of the ring wheel and the planet carrier, and the third planetary member being a sun wheel, wherein the first planetary member of the first planetary gear set is operatively connected to a transmission input shaft; and a second planetary gear set having a sun wheel, a ring wheel and a planet carrier, the planet carrier being operatively connected to a transmission output shaft; wherein the variator input shaft is operatively connected to the second planetary member of the first planetary gear set; the variator output shaft is operatively connected to the sun wheel of the first planetary gear set, the sun wheel of the first planetary gear set being further operatively connected to the sun wType: GrantFiled: December 20, 2012Date of Patent: March 21, 2017Assignee: Volvo Construction Equipment ABInventors: Per Mattsson, Mats Akerblom, Daniel Stalberg
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Patent number: 9285015Abstract: A continuously variable transmission includes a variator unit having a variator input shaft and a variator output shaft, and a first, a second, a third and a fourth planetary gear set, wherein each of the first and second planetary gear sets has a first member operatively connected to a common transmission input shaft, which transmission input shaft is common to the first and second gear sets, and a second member operatively connected to an output shaft, which output shaft is common to the first and second gear sets. Each of the first and second planetary gear sets further includes a third member, and the third planetary gear set has a first, a second and a third member.Type: GrantFiled: December 23, 2011Date of Patent: March 15, 2016Assignee: Volvo Construction Equipment ABInventors: Mats Akerblom, Per Mattsson
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Publication number: 20150299984Abstract: A continuously variable transmission includes a variator unit having a variator input shaft and a variator output shaft; a first planetary gear set having a first, a second and a third planetary member, the first planetary member being one of a ring wheel and a planet carrier, the second planetary member being the other one of the ring wheel and the planet carrier, and the third planetary member being a sun wheel, wherein the first planetary member of the first planetary gear set is operatively connected to a transmission input shaft; and a second planetary gear set having a sun wheel, a ring wheel and a planet carrier, the planet carrier being operatively connected to a transmission output shaft; wherein the variator input shaft is operatively connected to the second planetary member of the first planetary gear set; the variator output shaft is operatively connected to the sun wheel of the first planetary gear set, the sun wheel of the first planetary gear set being further operatively connected to the sun wType: ApplicationFiled: December 20, 2012Publication date: October 22, 2015Applicant: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Per MATTSSON, Mats AKERBLOM, Daniel STALBERG
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Patent number: 9067575Abstract: A vehicle and a brake system for a vehicle include at least one hydraulic pump, wherein the at least one hydraulic pump is connected to an input fluid conduit and an output fluid conduit. A flow resistance unit is provided in the output fluid conduit of the at least one hydraulic pump for being selectively coupled into the output fluid conduit when brake torque is requested.Type: GrantFiled: August 29, 2008Date of Patent: June 30, 2015Assignee: Volvo Construction Equipment ABInventors: Christian Wargh, Mats Akerblom, Daniel Jansson
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Patent number: 9068614Abstract: An arrangement is provided for supplying oil to a brake arranged for braking an output shaft of a planetary gear. The arrangement includes a rotatable impeller for supplying oil to the brake and the impeller is arranged to be rotated by an input shaft of the planetary gear.Type: GrantFiled: February 3, 2011Date of Patent: June 30, 2015Assignee: Volvo Construction Equipment ABInventors: Thomas Andersson, Mats Akerblom
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Publication number: 20140364268Abstract: A continuously variable transmission includes a variator unit having a variator input shaft and a variator output shaft, and a first, a second, a third and a fourth planetary gear set, wherein each of the first and second planetary gear sets has a first member operatively connected to a common transmission input shaft, which transmission input shaft is common to the first and second gear sets, and a second member operatively connected to an output shaft, which output shaft is common to the first and second gear sets. Each of the first and second planetary gear sets further includes a third member, and the third planetary gear set has a first, a second and a third member.Type: ApplicationFiled: December 23, 2011Publication date: December 11, 2014Applicant: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Mats Akerblom, Per Mattsson
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Patent number: 8747269Abstract: A continuously variable transmission includes a variator unit having a variator input shaft and a variator output shaft, and first, second and third planetary gear sets. The first and second planetary gear sets are arranged together and each includes a first member operatively connected to a common transmission input shaft and a second member operatively connected to a common output shaft, each of the first and second planetary gear sets further including a third member. The third planetary gear set has a first, second and third member. The variator input shaft is operatively connected to the third member of the second planetary gear set and the variator output shaft is operatively connected to the third member of the first planetary gear set. The first member of the third planetary gear set is operatively connected to the variator output shaft.Type: GrantFiled: July 16, 2010Date of Patent: June 10, 2014Assignee: Volvo Contruction Equipment ABInventors: Per Mattsson, Mats Akerblom
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Publication number: 20130313053Abstract: An arrangement is provided for supplying oil to a brake arranged for braking an output shaft of a planetary gear. The arrangement includes a rotatable impeller for supplying oil to the brake and the impeller is arranged to be rotated by an input shaft of the planetary gear.Type: ApplicationFiled: February 3, 2011Publication date: November 28, 2013Applicant: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Thomas Andersson, Mats Akerblom
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Publication number: 20130252775Abstract: A hub unit includes an electric machine adapted for driving a wheel. The hub unit includes at least two planetary gears coupled in series between the electric machine and a wheel hub, and a gear shifting device for connecting and disconnecting, respectively, one of the planetary gears from being drivingly connected to the electric machine.Type: ApplicationFiled: May 18, 2013Publication date: September 26, 2013Applicant: Volvo Constructions Equipment ABInventors: Christian WARGH, Mats Åkerblom
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Patent number: 8540067Abstract: A power transmission arrangement includes a differential gear adapted to transfer power from an input shaft to a first output shaft, and a first brake adapted to effect the first output shaft and a second brake adapted to effect the input shaft.Type: GrantFiled: March 21, 2007Date of Patent: September 24, 2013Assignee: Volvo Construction Equipment ABInventors: Timothy Kingston, Mats Akerblom, Thomas Andersson