Patents Assigned to Bamford Excavators, Limited
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Publication number: 20220282446Abstract: A coupling device connecting a working implement to a working arm of a working machine. The device has a first coupler body, a second coupler body pivotally mounted to the first coupler body, and a third coupler body rotatably mounted to the second coupler body so as to be rotatable about a second axis. The coupling device includes first and second spaced apart actuators configured to tilt the second coupler body relative to the first coupler body, where the coupling device comprises a first end and a second end, and wherein the first and second actuators are arranged on the first end.Type: ApplicationFiled: February 24, 2022Publication date: September 8, 2022Applicant: J.C. Bamford Excavators LimitedInventors: Darryl Cottingham, Simon J. Ratcliffe
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Publication number: 20220282718Abstract: A hydraulic pump system includes a housing defining a tank for containing hydraulic fluid in use; one or more pump modules each comprising a hydraulic pump for supplying hydraulic fluid from the tank to a hydraulic system; and a mounting arrangement; wherein the or each pump module is mounted to the housing by the mounting arrangement.Type: ApplicationFiled: March 8, 2022Publication date: September 8, 2022Applicant: J.C. Bamford Excavators LimitedInventors: James Hewitt, Paul Brenner, Ravi Shankar
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Publication number: 20220281538Abstract: A working machine has a frame, a ground engaging propulsion system, a drive arrangement for providing motive power to the ground engaging propulsion system, an operator platform pivotally connected to the frame and moveable between a deployed position for supporting an operator thereon and a stowed position; and a sensor arrangement configured to sense when an external force is applied to the operator platform when said operator platform is in the deployed position. The machine prevents movement of the ground engaging propulsion system when the sensor arrangement does not sense an external force applied to the operator platform when said operator platform is in the deployed positon.Type: ApplicationFiled: March 2, 2021Publication date: September 8, 2022Applicant: J.C. Bamford Excavators LimitedInventors: Darryl Cottingham, Natasha Kate Rigby
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Publication number: 20220235535Abstract: An electric or hybrid working machine includes a ground engaging structure, an electrical source of power, an electric motor arrangement, one or more hydraulically actuated devices, and a hydraulic pump configured to supply hydraulic fluid to the one or more hydraulically actuated devices. The working machine also includes a transmission operable to transmit drive from the electric motor arrangement to the ground engaging structure and the hydraulic pump. The transmission has a first input member connected to a first electric motor, a drive train comprising a first input gear connected to the first input member, and a coupling device connected between the first input member and the first input gear to selectively adjust transmission of drive to the hydraulic pump and the ground engaging structure.Type: ApplicationFiled: January 24, 2022Publication date: July 28, 2022Applicant: J. C. Bamford Excavators LimitedInventors: Alan Geoffrey Williams, Kevin Ford
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Publication number: 20220227423Abstract: An undercarriage for a working machine having a chassis. The chassis includes a first axle mount and a first axle assembly mounted to the first axle mount. The first axle assembly has a first axle with first and second ends for pivotably mounting first and second wheels. The first axle mount is provided in the form of first and second arms extending from the chassis to define a channel therebetween, and the undercarriage is configured to restrict movement of the first and second arms.Type: ApplicationFiled: January 20, 2021Publication date: July 21, 2022Applicant: J.C. BAMFORD EXCAVATORS LIMITEDInventors: Martyn Molsom, Christopher Jack Streat, Stephen Saxby
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Publication number: 20220213906Abstract: A hydraulic actuator includes a body defining a bore having a first end surface, a second end surface, and a bore surface, and a piston slidable in the bore. The piston, bore surface and first end surface define a first chamber, and the piston, bore surface and second end surface define a second chamber. The body also defines an accumulator chamber and a fluid passage between the first chamber and the accumulator chamber. An accumulator is received in the accumulator chamber and a valve selectably opens and closes the fluid passage.Type: ApplicationFiled: November 9, 2021Publication date: July 7, 2022Applicant: J.C. BAMFORD EXCAVATORS LIMITEDInventors: Ravinder Padam, Roopak Sharma, Sanjeev Arora
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Publication number: 20220194768Abstract: A carriage assembly for a working machine, the assembly having a first coupling body pivotally mountable to a working arm to rotate about a first axis, a second coupling body pivotally mounted to the first coupling body to rotate about a second axis, and carriage for a working implement pivotally mounted to the second coupling body to rotate about a third axis.Type: ApplicationFiled: December 18, 2021Publication date: June 23, 2022Applicant: J.C. Bamford Excavators LimitedInventors: Ross Taylor, Yogesh Khedkar, Rahul Kumbhar, Matthew Coope, Darryl Cottingham
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Patent number: 11293362Abstract: An engine system for an off-highway vehicle, comprising: a diesel engine configured to drive a driveline of the vehicle; an after-treatment arrangement configured to reduce emissions from the engine system; an after-treatment heating element configured to raise an operating temperature of the after-treatment arrangement; an electric energy storage device; and a controller configured to direct energy from the electric energy storage device to the after-treatment heating element in order to raise the operating temperature of the after-treatment arrangement.Type: GrantFiled: December 10, 2019Date of Patent: April 5, 2022Assignee: J. C. Bamford Excavators LimitedInventor: Alan Tolley
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Patent number: 11287003Abstract: An actuation mechanism for a multi-plate disc brake includes an energy storage element configured to apply said disc brake, the energy storage element being movable between a first position where said disc brake is released, and a second position where said disc brake is applied; a force transmission path configured to transmit force from the energy storage element to apply said disc brake; and a hydraulic chamber. The force transmission path includes a first member and a second member arranged in series; wherein the hydraulic chamber is configured, when pressurized, to act on the first member such that the energy storage element is moved to the first position; and wherein the second member is separated from the chamber such that, when the chamber is pressurized, no pressure is applied to the second member.Type: GrantFiled: June 28, 2019Date of Patent: March 29, 2022Assignee: J.C. BAMFORD EXCAVATORS LIMITEDInventors: Swapnil P. Dhurandhar, Pratish Prabhakar Malushte, Sanjeev Arora
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Publication number: 20220065183Abstract: A control system is provided for a diesel particulate filter (DPF) system of a diesel engine configured for operation in an off-highway vehicle. The control system includes a controller configured to receive a signal corresponding to a fill state of the DPF being at or above a first threshold. The controller is configured to selectively induce a parasitic load on the diesel engine to increase an operating temperature of the engine in response to receiving the signal.Type: ApplicationFiled: August 27, 2021Publication date: March 3, 2022Applicant: J.C. BAMFORD EXCAVATORS LIMITEDInventors: Stephen Paul Slater, Matthew Cook, Mark David Van der Cruyssen, Paul Stephen McCarthy
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Publication number: 20220025797Abstract: An emissions abatement system for an engine system having an engine and an after-treatment system is provided. The emissions abatement system is configured for operation in an off-highway vehicle and comprises a controller arranged to: receive an input indicative of an intent to start the vehicle; upon receipt of said input, activate a heating component to raise an operating temperature of at least a portion of the after-treatment system; determine when the after-treatment system has reached a first heated condition; once the first heated condition has been reached, direct the engine to be started and direct the vehicle to operate in a first mode; determine when the after-treatment system has reached a second heated condition; and once the second heated condition has been reached, direct the vehicle to operate in a second mode.Type: ApplicationFiled: July 27, 2020Publication date: January 27, 2022Applicant: J.C. BAMFORD EXCAVATORS LIMITEDInventors: Alan Tolley, Giles Smith
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Patent number: 11199253Abstract: An oil filter assembly for a differential housing, including a filter housing for releasably mounting in a drive axle housing and defining an internal volume for containing oil to be filtered, a mounting arrangement for releasably securing the filter assembly to a drive axle housing, and a filter element for filtering particulate contaminants from oil in a drive axle. The filter housing includes an inlet on an upper portion thereof and an outlet on a lower portion thereof to define an flow path therethrough, and wherein the filter element is located downstream of the inlet.Type: GrantFiled: March 21, 2018Date of Patent: December 14, 2021Assignee: J. C. Bamford Excavators LimitedInventors: Gareth Trimmer, Gethin Thomas, Tom Hurd
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Patent number: 11186967Abstract: The present invention relates to a hydraulic system comprising a first actuator, a first variable displacement pump fluidly connected to the first actuator via a first circuit and adapted to drive the first actuator. The system further comprises a second actuator and a second pump fluidly connectable to the second actuator via a second circuit and adapted to drive the second actuator, wherein the second pump is fluidly connectable to the first actuator via a first control valve, and wherein the second pump is fluidly connectable to the second actuator via a second control valve.Type: GrantFiled: February 27, 2020Date of Patent: November 30, 2021Assignee: J. C. Bamford Excavators LimitedInventor: James Hewitt
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Patent number: 11155452Abstract: A working machine has a body and a load handling apparatus coupled to the body. The load handling apparatus is moveable with respect to the body by an electrically driven actuator assembly. A controller is configured to receive a tilt signal representative of a moment of tilt of the working machine and issue a control signal configured to control an electrical drive element of the electrically driven actuator assembly based on the value of the tilt signal relative to a tilt threshold.Type: GrantFiled: March 2, 2020Date of Patent: October 26, 2021Assignee: J.C. BAMFORD EXCAVATORS LIMITEDInventors: Tom Rushton, Richard Brooks
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Publication number: 20210300744Abstract: A controller for use with a working machine includes a machine body and a load handling apparatus coupled to the machine body and moveable by a lift actuator and a sway actuator. The controller receives a signal representative of the position of the load handling apparatus and a signal representative of a stability of the working machine. The controller determines a movement range of the load handling apparatus about the sway axis and issues a signal for use by an element of the working machine. The controller restricts or prevents movement of the load handling apparatus outside of the permissible movement range relative to the lateral reference orientation, the permissible range being dependent on the signal representative of the position of the load handling apparatus with respect to the machine body or longitudinal reference orientation and the signal representative of the stability of the machine.Type: ApplicationFiled: March 24, 2021Publication date: September 30, 2021Applicant: J. C. Bamford Excavators LimitedInventor: Jonathan Kenred Bailey
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Publication number: 20210301499Abstract: A hydraulic system for a working machine, the hydraulic system includes: a hydraulic fluid reservoir; a boom actuator having an ascending chamber and a descending chamber; a first pump; a first directional control valve comprising a first ascending state configured for moving the boom in the ascending direction, a descending state configured for moving the boom actuator in the descending direction, and a first neutral state; a second pump; a second directional control valve comprising a second ascending state configured for moving the boom actuator in the ascending direction, and a second neutral state; wherein the second directional control valve further comprises a float state configured to connect at least one of the ascending and descending chambers to the hydraulic reservoir for permitting the boom to move freely in the descending and/or descending directions.Type: ApplicationFiled: March 24, 2021Publication date: September 30, 2021Applicant: JC Bamford Excavators LimitedInventors: Kyle Scott Abell, Mark Orton Goodwin
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Publication number: 20210292980Abstract: A working machine including front and rear wheels or a pair of endless tracks supporting a body. A first working arm with a first implement mount is connected to the body. An apparatus with a collector having a first opening and a sweeper trailing the collector is mounted to the first implement mount. A second implement mount connected to the body, and a milling device is mounted to the second implement mount. The sweeper is configured and arranged to move surface material broken up by the milling device into the collector via the first opening.Type: ApplicationFiled: March 22, 2021Publication date: September 23, 2021Applicant: J.C. Bamford Excavators LimitedInventors: Duncan Andrew Smith, Patrick Edward Naylor
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Patent number: D937720Type: GrantFiled: March 27, 2019Date of Patent: December 7, 2021Assignee: J.C. BAMFORD EXCAVATORS LIMITEDInventors: Chris Price, Jon Bailey, Richard Brooks
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Patent number: D939593Type: GrantFiled: December 12, 2019Date of Patent: December 28, 2021Assignee: J.C. BAMFORD EXCAVATORS LIMITEDInventors: David Price, Christopher Streat
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Patent number: D945493Type: GrantFiled: September 7, 2018Date of Patent: March 8, 2022Assignee: J.C. BAMFORD EXCAVATORS LIMITEDInventors: Samuel John Jilbert, Stewart Dicks, Alexander North