Patents by Inventor Hans Welin
Hans Welin 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: 20220163080Abstract: A device for supporting and guiding a brake pad backplate and a brake pad arranged thereon in a pad slot of a disc brake, including a restoring device formed by two separately acting restoring elements. One restoring element is formed by a wire spring which serves to restore the lower portion of the brake pad backplate, while the other restoring element is formed by a pad hold-down spring which is capable of restoring the upper portion of the brake pad backplate.Type: ApplicationFiled: April 9, 2020Publication date: May 26, 2022Inventors: Hans WELIN, Göran STENSSON
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Patent number: 10781878Abstract: A brake including an adjustable thrust element for applying a brake force to a brake pad and an adjustment device for selectably adjusting the thrust element. The adjustment device includes a shaft having a cylindrical shaft surface, a sleeve having a cylindrical sleeve surface, wherein the shaft and the sleeve are arranged end-to-end, and a torque clutch including a wrap spring that is mounted on the cylindrical shaft surface and mounted on the cylindrical sleeve surface, the shaft including an integral drive pin for selectively rotating the shaft. The brake further includes an operating lever, wherein the drive pin extends radially directly from the shaft surface of the shaft and wherein the operating lever includes a groove that receives the drive pin.Type: GrantFiled: May 31, 2016Date of Patent: September 22, 2020Assignee: Haldex Brake Products ABInventors: Stefan Sandberg, Hans Welin
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Patent number: 10746237Abstract: A disc brake, in which a force-redirecting device is arranged between an actuator and the brake caliper for transmitting an input force from the actuator to a brake caliper of the brake actuation mechanism.Type: GrantFiled: December 22, 2016Date of Patent: August 18, 2020Assignee: Haldex Brake Products ABInventor: Hans Welin
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Patent number: 10563718Abstract: A disk brake having a brake caliper and a brake actuation mechanism being supported in it, in which the brake actuation mechanism includes an amplification mechanism for introducing a clamping force, an adjustment device for compensation of lining wear with a torque clutch, a thrust element for transmitting the clamping force onto a brake disc and a reset device, which components are arranged around a rod, in which the torque clutch, for example, is formed as a roller-ramp-mechanism. A spring force can act onto the torque clutch by means of the reset device thereby forming a torque limit. Furthermore the invention relates to an assembly method for such a disc brake.Type: GrantFiled: September 14, 2012Date of Patent: February 18, 2020Assignee: Haldex Brake Products ABInventors: Stefan Sandberg, Hans Welin
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Patent number: 10544845Abstract: The present invention relates to a disc brake having a brake actuation mechanism, the components of which are mounted in functional cooperation in the brake caliper by means of a rod, in which a brake lever is configured so that the clamping force from the actuator is substantially directed radially to the axis of the brake disc upon brake actuation, and in which the brake lever is further configured to be mounted at different angular positions around the axis of the rod.Type: GrantFiled: December 22, 2016Date of Patent: January 28, 2020Assignee: Haldex Brake Products ABInventor: Hans Welin
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Publication number: 20190249733Abstract: The present invention relates to a disc brake having a brake actuation mechanism, the components of which are mounted in functional cooperation in the brake caliper by means of a rod, in which a brake lever is configured so that the clamping force from the actuator is substantially directed radially to the axis of the brake disc upon brake actuation, and in which the brake lever is further configured to be mounted at different angular positions around the axis of the rod.Type: ApplicationFiled: December 22, 2016Publication date: August 15, 2019Applicant: Haldex Brake Products ABInventor: Hans Welin
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Publication number: 20190011000Abstract: A disc brake, in which a force-redirecting device is arranged between an actuator and the brake caliper for transmitting an input force from the actuator to a brake caliper of the brake actuation mechanism.Type: ApplicationFiled: December 22, 2016Publication date: January 10, 2019Applicant: Haldex Brake Products ABInventor: Hans WELIN
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Patent number: 9981647Abstract: A disc brake and a sensor device being applied in connection with such a disc brake. The sensor device includes a hollow shaft which cooperates with a rotary element, the rotary element is set into rotation during the adjustment movement of a corresponding adjustment device of an actuation mechanism of that disc brake, in which the rotary element includes a socket for the reception of a reset tool, which socket will always be freely accessible.Type: GrantFiled: August 20, 2014Date of Patent: May 29, 2018Assignee: Haldex Brake Products ABInventor: Hans Welin
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Patent number: 9863489Abstract: A disc brake including a brake caliper, which includes two lateral wings which tangentially encompass at least one brake disc, and which is displaceably guided on a brake carrier by two guiding elements, which are arranged opposite with respect to each other and radially with respect to the axis of the brake disc between the brake caliper and the brake carrier, in which a first guiding element in the area of one wing consists of a combination of a sliding bore and a guide pin being guided within it, and in which a second guiding element is configured within the opposite wing as a combination of at least two cooperating guiding surfaces.Type: GrantFiled: January 30, 2014Date of Patent: January 9, 2018Assignee: Haldex Brake Products ABInventor: Hans Welin
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Publication number: 20170343066Abstract: A disc brake and components thereof, in which a caliper or a carrier supporting such caliper and a connecting element being arranged on a wheel axle are in attachment with each other by inclined abutment surfaces.Type: ApplicationFiled: December 8, 2015Publication date: November 30, 2017Inventor: Hans Welin
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Patent number: 9803711Abstract: A method for manufacturing a disc brake, the disc brake having a brake caliper and a brake actuation mechanism being supported in it, in which the brake actuation mechanism includes an amplification mechanism for introducing a clamping force, an adjustment device for compensation of lining wear with a torque clutch, a thrust element for transmitting the clamping force onto a brake disc and a reset device, which components are arranged around a rod, in which the torque clutch is formed as a roller-ramp-mechanism. A spring force can act onto the torque clutch by means of the reset device thereby forming a torque limit.Type: GrantFiled: May 19, 2014Date of Patent: October 31, 2017Assignee: Haldex Brake Products ABInventors: Stefan Sandberg, Hans Welin
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Publication number: 20160273603Abstract: A brake including an adjustable thrust element for applying a brake force to a brake pad and an adjustment device for selectably adjusting the thrust element. The adjustment device includes a shaft having a cylindrical shaft surface, a sleeve having a cylindrical sleeve surface, wherein the shaft and the sleeve are arranged end-to-end, and a torque clutch including a wrap spring that is mounted on the cylindrical shaft surface and mounted on the cylindrical sleeve surface, the shaft including an integral drive pin for selectively rotating the shaft. The brake further includes an operating lever, wherein the drive pin extends radially directly from the shaft surface of the shaft and wherein the operating lever includes a groove that receives the drive pin.Type: ApplicationFiled: May 31, 2016Publication date: September 22, 2016Inventors: Stefan Sandberg, Hans Welin
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Publication number: 20160053836Abstract: A disc brake including a brake caliper, which includes two lateral wings which tangentially encompass at least one brake disc, and which is displaceably guided on a brake carrier by two guiding elements, which are arranged opposite with respect to each other and radially with respect to the axis of the brake disc between the brake caliper and the brake carrier, in which a first guiding element in the area of one wing consists of a combination of a sliding bore and a guide pin being guided within it, and in which a second guiding element is configured within the opposite wing as a combination of at least two cooperating guiding surfaces.Type: ApplicationFiled: January 30, 2014Publication date: February 25, 2016Inventor: Hans Welin
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Patent number: 9168905Abstract: A sensor device for the detection of the lining wear at a disc brake having a brake caliper and a brake actuation mechanism being arranged in the brake caliper, which includes a thrust piece which cooperates directly or indirectly with a brake lining so that a movement of the brake lining corresponds to the movement of the thrust piece, in which the sensor device can be inserted as a unit into the housing of the brake caliper from the rear.Type: GrantFiled: September 17, 2012Date of Patent: October 27, 2015Assignee: Haldex Brake Products ABInventor: Hans Welin
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Publication number: 20140353094Abstract: A disc brake and a sensor device being applied in connection with such a disc brake. The sensor device includes a hollow shaft which cooperates with a rotary element, the rotary element is set into rotation during the adjustment movement of a corresponding adjustment device of an actuation mechanism of that disc brake, in which the rotary element includes a socket for the reception of a reset tool, which socket will always be freely accessible.Type: ApplicationFiled: August 20, 2014Publication date: December 4, 2014Inventor: Hans Welin
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Publication number: 20140250662Abstract: A method for manufacturing a disc brake, the disc brake having a brake caliper and a brake actuation mechanism being supported in it, in which the brake actuation mechanism includes an amplification mechanism for introducing a clamping force, an adjustment device for compensation of lining wear with a torque clutch, a thrust element for transmitting the clamping force onto a brake disc and a reset device, which components are arranged around a rod, in which the torque clutch is formed as a roller-ramp-mechanism. A spring force can act onto the torque clutch by means of the reset device thereby forming a torque limit.Type: ApplicationFiled: May 19, 2014Publication date: September 11, 2014Inventors: Stefan Sandberg, Hans Welin
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Publication number: 20130068571Abstract: A sensor device for the detection of the lining wear at a disc brake having a brake caliper and a brake actuation mechanism being arranged in the brake caliper, which includes a thrust piece which cooperates directly or indirectly with a brake lining so that a movement of the brake lining corresponds to the movement of the thrust piece, in which the sensor device can be inserted as a unit into the housing of the brake caliper from the rear.Type: ApplicationFiled: September 17, 2012Publication date: March 21, 2013Inventor: Hans Welin
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Publication number: 20130008749Abstract: A disk brake having a brake caliper and a brake actuation mechanism being supported in it, in which the brake actuation mechanism includes an amplification mechanism for introducing a clamping force, an adjustment device for compensation of lining wear with a torque clutch, a thrust element for transmitting the clamping force onto a brake disc and a reset device, which components are arranged around a rod, in which the torque clutch, for example, is formed as a roller-ramp-mechanism. A spring force can act onto the torque clutch by means of the reset device thereby forming a torque limit. Furthermore the invention relates to an assembly method for such a disc brake.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Inventors: Stefan Sandberg, Hans Welin
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Patent number: 7543600Abstract: A system for mixing a first gas flow and a second gas flow includes a conduit defined by a wall for communicating the first gas flow therethrough, an inlet passing through the wall of the conduit for introducing the second gas flow into the conduit, and a valve body disposed within the conduit, the valve body being displaceable in a longitudinal direction with respect to the conduit at the inlet. The conduit includes a bend downstream of the body with respect to a direction of the mixed gas flow. A holder is operably connected at a first end thereof to a downstream end of the valve body, the holder passing through a bore in the wall of the conduit at the bend. An actuator is operably connected to a second end of the holder, the actuator causing, via the holder, the valve body to be displaced in the longitudinal direction.Type: GrantFiled: November 29, 2005Date of Patent: June 9, 2009Assignee: Varivent Innovations ABInventors: Gustav Berggren, Thomas Holm, Carl-Adam Torbjornsson, Hans Welin, Roland Wangelin
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Patent number: 7261096Abstract: A system for controlling the mixture of an air flow and an exhaust gas flow in an engine is disclosed generally comprising an air conduit for the inlet air, which has an exhaust gas inlet passing through the wall thereof for introducing recirculating exhaust gas into the conduit, and a sleeve having an inlet end through which air enters the sleeve and an outlet end through which air exits the sleeve into the conduit, where the sleeve is movable along the conduit to vary the extent to which the outlet end thereof occludes the exhaust gas inlet, thereby regulating the introduction of exhaust gas into the air conduit, which in some embodiments, is completely closed off. In some embodiments, the outlet end of the sleeve is reduced, and certain embodiments include a streamlined body to regulate the air exiting the sleeve.Type: GrantFiled: November 17, 2005Date of Patent: August 28, 2007Assignee: Haldex Hydraulics ABInventors: Gustav Berggren, Thomas Holm, Carl-Adam Torbjornsson, Hans Welin, Roland Wangelin