Patents by Inventor Jesper BLOMSTRAND
Jesper BLOMSTRAND 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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Patent number: 12291290Abstract: A dolly adapted to be coupled to a semitrailer, where the dolly comprises a first steerable axle and a second axle provided with a drive unit, and where the dolly comprises a fifth wheel and a drawbar, where the dolly further comprises a cover having a front compartment in front of the first axle, where the front compartment comprises a first radiator, and where the cover comprises a first air opening adjacent the drawbar. In this way, a dolly with integral cooling is provided.Type: GrantFiled: February 17, 2020Date of Patent: May 6, 2025Assignee: Volvo Truck CorporationInventors: Jesper Blomstrand, Torbjörn Wiklund, Marcus Niklasson
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Patent number: 12275471Abstract: A self-powered dolly vehicle unit with an adaptable wheelbase, the dolly vehicle unit comprising a front axle arranged to support a pair of steerable front wheels, a rear axle arranged to support a pair of rear wheels, a fifth wheel connection for towing a trailer vehicle, a draw-bar attachment mechanism arranged to hold a draw-bar, and a frame structure arranged to support the front axle and the rear axle at a variable wheelbase distance from each other, wherein the frame structure is arranged to be locked at a first wheelbase distance position and at a second wheelbase distance position.Type: GrantFiled: May 11, 2020Date of Patent: April 15, 2025Assignee: Volvo Truck CorporationInventors: Leo Laine, Jesper Blomstrand
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Patent number: 12168487Abstract: A propulsion arrangement for a self-powered dolly vehicle unit, the propulsion arrangement comprising a first electric machine, a second electric machine, a gearbox, and an open differential for driving first and second wheels of a driven axle, wherein the first and second electric machines are arranged in parallel and connected to the open differential via the gearbox at respective gear ratios.Type: GrantFiled: October 19, 2021Date of Patent: December 17, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Jesper Blomstrand, Leo Laine
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Patent number: 11904676Abstract: The invention relates to a vehicle, comprising a rear end, a front end located forwardly of the rear end, a chassis extending between the rear end and the front end, a battery protection structure provided at the rear end of the vehicle, the battery protection structure comprising a frame portion defining an opening for housing a traction battery, the frame portion having a rear side and a front side, and a projecting portion which projects forwardly from the frame portion and which is connected to the chassis at the rear end of the vehicle, wherein the projecting portion is configured to remain in a fixed connection relative to the chassis under normal operating conditions and to move forwardly along the chassis when the rear side of the frame portion is subjected to a forwardly directed impact force which is greater than a threshold force.Type: GrantFiled: April 10, 2019Date of Patent: February 20, 2024Assignee: Volvo Truck CorporationInventor: Jesper Blomstrand
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Patent number: 11851101Abstract: The invention relates to a power assisting steering system for a vehicle having at least a first and a second steered wheel, the system comprising a control unit configured to receive input on a desired change of steering angle, a first and a second power generating device configured to provide power assisted steering for turning the first and the steered wheel, respectively. The control unit, in response to the received input, is configured to alternatingly activate and deactivate the first and second power generating device, respectively, so as to repeatedly and alternatingly provide power assistance to the first and the second steered wheel as the first and second steered wheels are turned to achieve the desired change of steering angle. The invention also relates to a method of operating a power assisting steering system.Type: GrantFiled: September 15, 2021Date of Patent: December 26, 2023Assignee: Volvo Truck CorporationInventors: Jesper Blomstrand, Anders Petersson, Ahmed Abbas
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Publication number: 20230348000Abstract: A self-powered dolly vehicle unit with an adaptable wheelbase, the dolly vehicle unit comprising a front axle arranged to support a pair of steerable front wheels, a rear axle arranged to support a pair of rear wheels, a fifth wheel connection for towing a trailer vehicle, a draw-bar attachment mechanism , arranged to hold a draw-bar, and a frame structure arranged to support the front axle and the rear axle at a variable wheelbase distance from each other, wherein the frame structure is arranged to be locked at a first wheelbase distance position and at a second wheelbase distance position.Type: ApplicationFiled: May 11, 2020Publication date: November 2, 2023Inventors: Leo LAINE, Jesper BLOMSTRAND
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Publication number: 20230138277Abstract: A dolly adapted to be coupled to a semitrailer, where the dolly comprises a first steerable axle and a second axle provided with a drive unit, and where the dolly comprises a fifth wheel and a drawbar, where the dolly further comprises a cover having a front compartment in front of the first axle, where the front compartment comprises a first radiator and where the cover comprises a first air opening adjacent the drawbar. In this way, a dolly with integral cooling is provided.Type: ApplicationFiled: February 17, 2020Publication date: May 4, 2023Inventors: Jesper BLOMSTRAND, Torbjörn WIKLUND, Marcus NIKLASSON
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Publication number: 20230097576Abstract: A drawbar arrangement for a dolly vehicle, the drawbar arrangement comprising a control unit and an adjustable drawbar attached to the dolly vehicle, the adjustable drawbar comprising a front coupling element arranged to be adjusted vertically with respect to a ground plane by the control unit, wherein the control unit is arranged to determine a vertical coupling load associated with the front coupling element, and wherein the control unit is arranged to set a desired vertical coupling load associated with the front coupling element by vertically adjusting the front coupling element when coupled to a towing vehicle unit.Type: ApplicationFiled: May 11, 2020Publication date: March 30, 2023Inventors: Leo LAINE, Jesper BLOMSTRAND
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Patent number: 11443635Abstract: The invention relates to a method for transforming between a long vehicle combination (10) and a platoon (12) on the move. The present invention also relates to vehicles (14a-b; 14b-c) for such a method.Type: GrantFiled: March 6, 2017Date of Patent: September 13, 2022Assignee: VOLVO TRUCK CORPORATIONInventors: Jesper Blomstrand, Leo Laine
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Publication number: 20220194198Abstract: The invention relates to a vehicle, comprising a rear end, a front end located forwardly of the rear end, a chassis extending between the rear end and the front end, a battery protection structure provided at the rear end of the vehicle, the battery protection structure comprising a frame portion defining an opening for housing a traction battery, the frame portion having a rear side and a front side, and a projecting portion which projects forwardly from the frame portion and which is connected to the chassis at the rear end of the vehicle, wherein the projecting portion is configured to remain in a fixed connection relative to the chassis under normal operating conditions and to move forwardly along the chassis when the rear side of the frame portion is subjected to a forwardly directed impact force which is greater than a threshold force.Type: ApplicationFiled: April 10, 2019Publication date: June 23, 2022Inventor: Jesper Blomstrand
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Publication number: 20220126934Abstract: A propulsion arrangement for a self-powered dolly vehicle unit, the propulsion arrangement comprising a first electric machine, a second electric machine, a gearbox, and an open differential for driving first and second wheels of a driven axle, wherein the first and second electric machines are arranged in parallel and connected to the open differential via the gearbox at respective gear ratios.Type: ApplicationFiled: October 19, 2021Publication date: April 28, 2022Applicant: VOLVO TRUCK CORPORATIONInventors: Jesper BLOMSTRAND, Leo LAINE
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Publication number: 20220089213Abstract: The invention relates to a power assisting steering system for a vehicle having at least a first and a second steered wheel, the system comprising a control unit configured to receive input on a desired change of steering angle, a first and a second power generating device configured to provide power assisted steering for turning the first and the steered wheel, respectively. The control unit, in response to the received input, is configured to alternatingly activate and deactivate the first and second power generating device, respectively, so as to repeatedly and alternatingly provide power assistance to the first and the second steered wheel as the first and second steered wheels are turned to achieve the desired change of steering angle. The invention also relates to a method of operating a power assisting steering system.Type: ApplicationFiled: September 15, 2021Publication date: March 24, 2022Inventors: Jesper Blomstrand, Anders Petersson, Ahmed Abbas
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Patent number: 10898840Abstract: A filter element is provided for being removably arranged in a filter housing. The filter element includes a tubular filter material body, and a first end panel at a first end of the filter element in an axial direction of the filter element. The first end panel includes an opening to an interior of the filter material body. The first end panel includes a generally flat external surface, which is inclined in relation to a plane perpendicular to the axial direction of the filter element. A filter housing including a compartment for receiving such a filter element is also provided. A filter system including such a filter element and filter housing, and an internal combustion engine system and a vehicle including such a filter system are also provided.Type: GrantFiled: December 17, 2015Date of Patent: January 26, 2021Assignee: VOLVO TRUCK CORPORATIONInventors: Sebastian Karlsson, Jesper Blomstrand, Hans Rönnings, Claes Frennfelt
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Patent number: 10751657Abstract: A filter element is provided for being removably arranged in a filter housing, the filter element including a filter material body. The filter element is adapted to assume a first state, in which it has a substantially flat shape, and a second state, in which it has such a curved shape, such that opposite outer peripheral sides of the filter element are directed towards each other and in which it is adapted for a filtering operation. The filter element is adapted to be locked in the second state when arranged in the filter housing. A filter system is also provided including a filter element and an anchoring device adapted to be arranged between the opposite outer peripheral sides of the filter element when it is curved to the second state.Type: GrantFiled: December 17, 2015Date of Patent: August 25, 2020Assignee: VOLVO TRUCK CORPORATIONInventors: Sebastian Karlsson, Jesper Blomstrand, Fredrik Bramer
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Publication number: 20190385461Abstract: The invention relates to a method for transforming between a long vehicle combination (10) and a platoon (12) on the move. The present invention also relates to vehicles (14a-b; 14b-c) for such a method.Type: ApplicationFiled: March 6, 2017Publication date: December 19, 2019Inventors: Jesper Blomstrand, Leo Laine
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Publication number: 20180333666Abstract: A filter element is provided for being removably arranged in a filter housing, the filter element including a filter material body. The filter element is adapted to assume a first state, in which it has a substantially flat shape, and a second state, in which it has such a curved shape, such that opposite outer peripheral sides of the filter element are directed towards each other and in which it is adapted for a filtering operation. The filter element is adapted to be locked in the second state when arranged in the filter housing. A filter system is also provided including a filter element and an anchoring device adapted to be arranged between the opposite outer peripheral sides of the filter element when it is curved to the second state.Type: ApplicationFiled: December 17, 2015Publication date: November 22, 2018Applicant: VOLVO TRUCK CORPORATIONInventors: Sebastian KARLSSON, Jesper BLOMSTRAND, Fredrik BRAMER