Patents Assigned to BEIJINGWEST INDUSTRIES CO., LTD
  • Patent number: 11919349
    Abstract: A damper assembly for a suspension system of an associated vehicle. The damper assembly comprises a cylindrical tube extending along an axis and defining a chamber. A piston is located in the chamber and is moveable along the axis in a compression direction and a rebound direction. The piston includes a piston rod extending from a first end to a piston head. A rebound stop is located on the piston rod between the first end and the piston head. A hydraulic rebound stop (“HRS”) piston is located in a HRS chamber. A rebound spring biasing the HRS piston towards the adaptor plate in the HRS chamber. The piston rod is slideably received within the HRS piston in the rebound direction until the rebound stop contacts the rebound head and causes the rebound spring to compress.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: March 5, 2024
    Assignee: BeijingWest Industries Co., Ltd.
    Inventor: Saiman Lun
  • Patent number: 11898620
    Abstract: The present invention relates to a hydraulic damper comprising a tube and a piston assembly provided with rebound valve assemblies and compression valve assemblies, wherein each valve assembly comprises a deflectable-disc valve and a blow-off valve. The piston assembly comprises two sleeve-shaped members each provided with a plurality of blow-off valve flow passages, a plurality of deflectable-disc valve flow passages, and a central opening, wherein the piston rod passes through said central openings to secure the piston assembly, a plurality of deflectable disc(s) of the deflectable-disc valve cover(s) said deflectable-disc valve flow passages , wherein a plurality of disc(s) of the blow-off valve adjoin(s) said blow-off valve flow passages, wherein the piston assembly further comprises two spring seats abutting said disc(s) of the blow-off valve, and at least one spring disposed within said internal chamber that biases said spring seats towards said number of discBP-S20010US(s).
    Type: Grant
    Filed: February 12, 2022
    Date of Patent: February 13, 2024
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD
    Inventors: Jakub Wrzesinski, Pawel Slusarczyk, Bartlomiej Franczyk
  • Patent number: 11835108
    Abstract: The present invention relates to a hydraulic damper comprising a main tube; a main piston assembly; a base valve assembly; and a hydraulic compression stop assembly comprising an insert fixed on the base valve assembly, and an additional piston assembly apt to be introduced inside the first inner chamber of the insert at the end of the damper compression stroke to generate additional damping force. Said additional piston assembly comprises a piston rod extender fixed to the piston assembly or the piston rod at the side of the compression chamber, and a tenon fixed to said piston rod extender and radially displaceable with regard thereto, wherein said tenon is terminated with a first entry surface having diameter monotonically diminishing towards the compression end of said tenon, while the insert is provided with a second entry surface having diameter monotonically increasing towards the rebound end of the insert.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: December 5, 2023
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Dominik Kasprzyk, Mateusz Szymon Sarapata
  • Patent number: 11813916
    Abstract: An integrated air supply unit comprises a compressor housing, a pressure control unit (PCU) body, and a desiccant housing extending between the compressor housing and the PCU body. The desiccant housing defines a desiccant cavity holding a desiccant container for removing moisture from air passing therethrough. A piston is slidably disposed within a piston bore of the compressor housing. The PCU body defines a plurality of fluid passages with solenoid valves selectively controlling airflow therethrough. The integrated air supply unit may also comprise: a manifold, a discharge control valve, a compressor supplying pressurized air in a first pressurized air passage, a dryer configured to remove moisture from the pressurized air in the first pressurized air passage and to supply dried pressurized air in a second pressurized air passage, a supply control valve to control airflow between the second pressurized air passage and the manifold, and a piloted exhaust valve.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: November 14, 2023
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: David Fredrick Reuter, Daniel Norbert Borgemenke, Adam Michael Osswald, Michael William Landis, Sury Peddireddi
  • Patent number: 11732771
    Abstract: A hydraulic damper assembly comprises a housing extending between a first end and a second end. A main piston is slidably disposed in the fluid chamber dividing the fluid chamber into a first chamber and a second chamber. A piston rod extends along a center axis and attaches to the main piston. An additional piston is coupled to the piston rod and axially spaced from the main piston. The additional piston includes a main body defining a compression channel and a rebound channel that allow fluid to flow through the additional piston. A securing member secures the additional piston to the piston rod and defines an outer groove. A piston ring is located in the outer groove between the additional piston and the securing member. The piston ring is radially spaced from the securing member to allow the piston ring to be in engagement with the housing.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: August 22, 2023
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Arkadiusz Malec, Piotr Stanislaw Suprewicz, Mateusz Sarapata, Waldemar Jaroslaw Ryndak, Dominik Jaroslaw Kasprzyk
  • Patent number: 11686367
    Abstract: A hydraulic damper assembly comprises a housing defining a fluid chamber. A piston is slidably disposed in the fluid chamber dividing the fluid chamber into a compression and a rebound chamber. A piston rod couples to the piston for movement between a compression and a rebound stroke. The piston has a compression surface and a rebound surface. The piston defines at least one compression channel, at least one rebound channel, and at least one additional channel. A compression valve covers the at least one compression channel. A rebound valve covers the at least one rebound channel. A proportional bleeding system located between the compression valve and the piston to establish a bleeding flow passage between the at least one rebound chamber and the at least one additional channel for reducing operation harshness of the hydraulic damper assembly. A piston for the hydraulic damper assembly is also disclosed herein.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: June 27, 2023
    Assignee: BeijingWest Industries Co., Ltd.
    Inventors: Pawel Slusarczyk, Marcin Knapczyk
  • Patent number: 11680620
    Abstract: A damper assembly comprises a main tube extending along a center axis between a first end and a second end defining a fluid chamber. A main piston is disposed in the fluid chamber dividing the fluid chamber into a compression chamber and a rebound chamber. A piston rod extends along the center axis coupled to the main piston. An external tube extends about the main tube and defines a compensation chamber therebetween. The external tube includes a protrusion extending radially inwardly from an opened end to abut the main tube. An external piston is located in the compensation chamber and coupled to the main tube, dividing the compensation chamber into a first compartment and a second compartment. The first compartment extends between the protrusion and the external piston for containing a working fluid. The second compartment extends between the closed end and the external piston for containing a gas.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: June 20, 2023
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Pawel Slusarczyk, Jakub Wrzesinski
  • Patent number: 11668364
    Abstract: A gas cup for a damper assembly comprises a body including an upper surface, a lower surface, an exterior surface and an interior surface. The body defines an aperture extending through the upper surface and the lower surface. A decoupler is located in the aperture and secured to the body. A bridging member is located between the decoupler and the body and coupled to the decoupler and the body. The decoupler and the bridging member is made from materials having different elasticity to allow the decoupler to move in the aperture in response to a volumetric change in the damper assembly and to provide variable tuning of the damper assembly. A damper assembly including the gas cup is also disclosed herein.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: June 6, 2023
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD
    Inventors: Shigekata Yoshida, II, Eric Schumann, Timothy Schlangen, Michael Zimmerman
  • Patent number: 11668367
    Abstract: A hydraulic damper assembly comprises a main tube defining a fluid chamber. An external tube extends about the main tube defining a compensation chamber between the main and external tubes. A main piston, located in the main tube, divides the fluid chamber into a compression chamber and a rebound chamber. A piston rod couples to the main piston. A base valve, located in the compression chamber, couples to the main tube. A hydraulic compression stop, located in the compression chamber, includes an additional piston, an insert, and a fixing member. The additional piston couples to the main piston. The insert, located in the compression chamber, couples to the base valve. The insert has a main section and a terminal section. The terminal section having an external diameter that is less than an external diameter of the main section.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: June 6, 2023
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD
    Inventors: Dominik Jaroslaw Kasprzyk, Waldemar Jaroslaw Ryndak
  • Patent number: 11608872
    Abstract: A damper assembly comprises a main tube defining a fluid chamber. The main tube includes a first section, a second section, and an intermediate portion. A sleeve is disposed about the main tube. An external tube is disposed about the main tube and the sleeve. The external tube defines a compensation chamber between the sleeve and the external tube. A main piston divides the fluid chamber into a rebound chamber and a compression chamber. A piston rod couples to the main piston for moving the main piston between a compression stroke and a rebound stroke. The sleeve is in an abutment relationship with the second section of the main tube, radially spaced apart from the first section of the main tube, defining a compartment extending between the sleeve and the first section of the main tube. A housing for the damper assembly is also disclosed herein.
    Type: Grant
    Filed: February 21, 2021
    Date of Patent: March 21, 2023
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Saiman Lun, Philippe Dellac, Michal Ptak
  • Patent number: 11592075
    Abstract: A magneto rheological damper includes a housing extending between a first opened end and a second opened end and defining a fluid chamber extending therebetween. An end cap is located at the first opened end and coupled to the housing. A piston is disposed in the fluid chamber dividing the fluid chamber into a compression chamber and a rebound chamber. A piston rod extends along the center axis and attaches to the piston for movement with the piston between a compression and a rebound stroke. A magnetic field generator is located in the compression chamber and in an abutment relationship with the end cap. An extension portion protrudes radially outwardly from the housing and defining a compensation chamber and a channel. The channel is in fluid communication with the compression chamber and the compensation chamber for allowing the working fluid to flow from the compression chamber to the compensation chamber.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: February 28, 2023
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventor: Saiman Lun
  • Patent number: 11585407
    Abstract: A rotary damper assembly comprises a housing extending along a center axis. The housing includes an upper portion and a lower portion. The lower portion defines a fluid chamber. The upper portion defines a compartment in communication with the fluid chamber. The magnetic field generator includes a magnetic core located between the upper portion and the lower portion. The magnetic core extends along the center axis between the upper portion and the lower portion. At least one coil extends about the magnetic core. A shaft extends along the center axis through the upper portion and the magnetic core and into the fluid chamber to facilitate magnetorheological fluid flow from the compartment to the fluid chamber. The magnetic field generator includes an insert, containing a permanent magnetic material, for generating a permanent magnetic field to change viscosity of the magnetorheological fluid.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: February 21, 2023
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Saiman Lun, Glen Spehr
  • Patent number: 11543000
    Abstract: The disclosure relates to a hydraulic damper provided with an additional stroke stop arrangement comprising a narrowed section and an additional piston assembly, wherein the additional piston assembly comprises a plastic ring guide, a ring, and a retaining member, wherein the ring surrounds an inner axial rim of the ring guide with radial clearance, wherein the inner axial rim defines at least one annular channel, and wherein the ring guide has at least one fixing protrusion extending radially inwardly toward the axis for engaging an annular slot in the piston rod and securing the ring guide to the piston rod. The at least one fixing protrusion is disposed at said inner axial rim of said ring guide and the height of said at least one fixing protrusion is larger than said radial clearance between said inner axial rim of said ring guide and said ring.
    Type: Grant
    Filed: September 26, 2021
    Date of Patent: January 3, 2023
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Marek Karol Kontny, Rafal Konrad Kiwior
  • Patent number: 11512758
    Abstract: A bracket comprises a body extending along a center axis between a first end and a second end. The body defines a first groove and a second groove. The first groove, located at the first end and flaring radially outwardly, presents a first slanted surface. The second groove, located at the second end and flaring radially outwardly, presents a second slanted surface. A pair of coupling members including a first and a second coupling member are respectively located in the first and second grooves for engagement with a housing of a hydraulic damper assembly. The first end includes at least one first deformation for retaining the first coupling member. The second end includes at least one second deformation for retaining the second coupling member. A hydraulic damper assembly including the bracket and a method of joining the bracket and the hydraulic damper assembly are also disclosed herein.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: November 29, 2022
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Saiman Lun, II, Steven Edward Pyle, Michael W. Hurtt
  • Patent number: 11434969
    Abstract: A hydraulic damper assembly comprises a main tube extending between a first and a second end and defining a fluid chamber extending therebetween. A main piston slidably disposed in the fluid chamber divides the fluid chamber into a compression chamber and a rebound chamber. A piston rod attaches to the main piston. An additional piston couples to the piston rod axially spaced from the main piston. The additional piston has a top surface and a bottom surface and defines at least one pathway extending through the additional piston. The additional piston defines a recess bounded by an upper surface and a lower surface. A ring slidably is disposed in the recess. The additional piston includes an anti-noise member located in the recess whereby the anti-noise member releases fluid pressure between the ring and the upper surface reducing noise generation during a compression stroke and a rebound stroke.
    Type: Grant
    Filed: December 26, 2020
    Date of Patent: September 6, 2022
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Piotr Grzegorz Maton, Pawel Edward Kus, Dominik Kasprzyk
  • Patent number: 11383572
    Abstract: A pulley assembly for raising and lowering an associated vehicle body comprising a housing including an outer sleeve extending along an axis. At least one top pulley wheel is operably connected to the outer sleeve and at least one bottom pulley wheel is operably connected to the outer sleeve and moveable relative to the at least one top pulley wheel along the axis. A cable is weaved between the at least one top pulley wheel and the at least one bottom pulley wheel. An actuator is operably connected to the cable to reel-in the cable and draw the at least one top pulley wheel towards the at least one bottom pulley wheel to lower the associated vehicle body. The actuator further reels-out the cable to permit the at least one top pulley wheel to move away from the at least one bottom pulley wheel to raise the associated vehicle body.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: July 12, 2022
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Iain Rose, Baptiste Chevallereau, Jocelyn Marchand, Philippe Herda
  • Patent number: 11384825
    Abstract: A wave gear apparatus comprises a spline having top, bottom, exterior, and interior surfaces. A plurality of spline teeth extend from the interior surface toward a center axis. A wave generator is rotatably disposed in the spline. A belt extends about the wave generator. The belt includes a plurality of belt teeth extending radially outwardly from the belt whereby a total number of the belt teeth is less than a total number of the spline teeth. An output member defines a recess receiving the wave generator and the belt whereby, in response to a rotational movement from the wave generator, the output member rotates in a direction same or opposite of the wave generator. A vehicle lifting system including the wave gear apparatus is also disclosed herein.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: July 12, 2022
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Dominique Fanelli, Pierre-Luc Kovac, Jocelyn Marchand
  • Patent number: 11326663
    Abstract: A damper assembly comprises a housing disposed on a center axis and defining a fluid chamber for containing a working fluid. A piston is slidably disposed in the fluid chamber dividing the fluid chamber into a compression chamber and a rebound chamber. A piston rod attaches to the piston for moving the piston in the housing. The piston includes a first portion and a second portion defining a first perforation. An outer sleeve has an exterior surface and an interior surface and extends between the first portion and the second portion covering the first perforation. The piston includes a first entry valve and a second entry valve located in the piston and coupled to the piston for limiting the working fluid from flowing into the piston with the first entry valve being disposed adjacent the first portion and the second entry valve being disposed adjacent the second portion.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: May 10, 2022
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventors: Jakub Wrzesinski, II, Pawel Slusarczyk, Robert Kapolka
  • Patent number: 11320017
    Abstract: A shock absorber assembly comprises a main tube disposed on a center axis between a first and a second end and defining a fluid chamber extending therebetween. A first piston is slidably disposed in the fluid chamber dividing the fluid chamber into a compression chamber and a rebound chamber. A piston rod attaches to the first piston for moving the first piston between a compression stroke and a rebound stroke. A hydraulic compression stop includes a second piston located in the compression chamber and attached to the piston rod. A tenon couples to the piston rod, located between the first piston and the second piston. The tenon includes a frequency dependent damping valve coupled to the first piston and an enclosure extending about the frequency dependent damping valve, coupled to the frequency dependent valve and the second piston, in fluid communication with the compression chamber.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: May 3, 2022
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventor: Roman Bielak
  • Patent number: 11280380
    Abstract: A damper assembly comprises a main tube extending along a center axis defining a fluid chamber. A main piston is located in the main tube dividing the fluid chamber into a compression chamber and a rebound chamber. A piston rod extends into the main tube and coupled to the main piston. The piston rod defines an annular chamber extending along the center axis. A slidable partition is located in the annular chamber dividing the annular chamber into a magnetorheological chamber and a compensation chamber. A secondary piston is slidably disposed in the magnetorheological chamber dividing the magnetorheological chamber into a magnetorheological compression chamber and a magnetorheological rebound chamber. A secondary piston rod sealingly and slidably guided through the main piston and couples to the main tube for moving the secondary piston axially in the magnetorheological chamber.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: March 22, 2022
    Assignee: BEIJINGWEST INDUSTRIES CO., LTD.
    Inventor: Marcin Knapczyk, II