1857 patents
Page 5 of 93
Utility
Pin retention design for a track chain
7 Nov 23
A pin retention device comprises a fastener defining a longitudinal axis, a first end and a second end along the longitudinal axis, a head at the first end and a threaded portion at the second end, a tubular spacer defining a thru-hole configured to receive the fastener, and a nut defining a threaded hold configured to mate with the threaded portion of the fastener.
Jose Gerardo De La Torre
Filed: 13 Nov 20
Utility
Estimating the moving state of rotating machines systems and methods
7 Nov 23
The present disclosure is directed to systems and methods for estimating machine rotation state.
Peter J. Petrany, Jacob C. Maley
Filed: 31 Mar 21
Utility
System and method of overcoming a dead-band in a switched reluctance motor
7 Nov 23
A work machine includes a frame, a traction system supporting the frame, a power source mounted on the frame, a switched reluctance motor, an inverter configured to control power to the motor from a power source, and a controller.
Jesse R. Gerdes, Thomas M. Sopko, Carlos E. Nino Baron, Jackson Wai, Ahmed Khalil, Sajan Abdul, Amara Ashfaq, James Michael Thorne
Filed: 23 Dec 20
Utility
Systems and methods of visual guidance
7 Nov 23
A method includes performing, with a compacting machine, a first pass to compact a first portion of a work area to compact a first lane.
Brian D. Nagel, David E. Gerding, Travis D. McClung
Filed: 12 May 21
Utility
Method and system for operating implement assemblies of machines
7 Nov 23
A method for operating an implement assembly of a machine at a worksite is disclosed.
Pradeep Kumar P H
Filed: 11 Sep 20
Utility
Tracking rotation with a swing sensor
7 Nov 23
Systems and methods for tracking a heading of an excavator are provided.
Nathan Ennis, Christopher Corwin
Filed: 5 Jan 23
Utility
Work implement assembly using adapters, adapter covers, and a notched base edge
7 Nov 23
An adapter cover includes a front face portion that defines a thru-hole configured to allow a nose portion of an adapter to pass horizontally through the thru-hole past the interior surface and then past the exterior surface, and a top single leg extends horizontally from the front face portion.
Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
Filed: 18 Nov 20
Utility
Monitoring ramp-up pressure of a pump
7 Nov 23
A method may include monitoring, by a controller, operation of a pump of at least one hydraulic fracturing rig during ramp-up of the pump.
Todd R. Kabrich, Casey A. Otten, Yuesheng He
Filed: 21 Jan 22
Utility
Valve actuation system having lifter sleeves configured for control fluid communication with valve lifter activation-deactivation switches
7 Nov 23
An engine valve actuation system includes a lifter sleeve having a control fluid slot formed therein and extending from an outer sleeve surface to an inner sleeve surface.
Jeremy C. Adams, Eric D. Wiebrecht
Filed: 27 Feb 23
Utility
Noise attenuation components
7 Nov 23
A reduction device includes a housing defining an input chamber configured to receive exhaust from a power source, an output chamber, an exhaust channel configured to direct the exhaust from the input chamber to the output chamber, and a longitudinal axis.
Dustin Irvin Landwehr, Jim K Carroll, David Charles Copley, Rakesh Chandran Ramachandran, Timothy Josiah Lee, Yung T. Bui, Anthony C. Rodman
Filed: 1 Mar 21
Utility
Cooling fan control device, cooling device, and cooling fan control method
7 Nov 23
To provide such a cooling fan control device, a cooling device, and a cooling fan control method that can cool a heat exchanger appropriately according to an air density.
Keigo Hara
Filed: 18 Sep 20
Utility
Engine load control during a transient event
7 Nov 23
In some implementations, a controller may determine, in connection with a constant speed operation of an engine operable by spark ignition of a gaseous fuel, that a transient event associated with the engine is to occur, the transient event to cause a shift from a first gear to a second gear of a transmission coupled to the engine, where the shift from the first gear to the second gear is to increase a primary load associated with the engine.
Yuesheng He, Todd Ryan Kabrich
Filed: 1 Sep 22
Utility
Calibration system for variable capacity hydraulic pump
7 Nov 23
Providing high accuracy calibration of a pump control table when variable capacity of a hydraulic pump is controlled based on a pump control table representing the relationship between pump capacity and current command value.
Atsunori Shimamoto, Naoki Sawada
Filed: 17 Apr 19
Utility
Conductive linkage for work machine having multiple degrees of freedom
31 Oct 23
A work machine, such as a hauler at a mining site, includes a conductive linkage connected to a conductor rod for receiving multiple poles of electrical power from a current collector sliding on a surface of a power rail.
Igor Strashny
Filed: 1 Jun 22
Utility
Filter arrangement for a selective catalytic reduction system
31 Oct 23
The present disclosure is directed towards a filter arrangement for a reductant supply system of a selective catalytic reduction system.
Siddharth Gharpure, Guy Williamson
Filed: 31 Aug 22
Utility
Monitoring system for three-dimensional printing
31 Oct 23
An inference system for monitoring a cementitious mixture for three-dimensional printing is provided.
Daniel Martinez, Daniel Peter Sergison, Zhijun Cai, Jean-Jacques Clar, Eric Alan Reiners, Benjamin John Hodel, Benjamin L. Naasz
Filed: 18 Nov 20
Utility
Construction machine with rotor load monitoring
31 Oct 23
A machine for road work for road work, the machine can comprise: a frame, a drive system including a power source carried by the frame, a milling system driven by the power source and a controller.
Brian J. Schlenker
Filed: 6 Aug 21
Utility
Asymmetric power management and load management
31 Oct 23
A method may include receiving information related to operation or a configuration of a hydraulic fracturing system.
Andy Publes, Casey A. Otten, Perry D. Converse, Yanchai Zhang, Zhijun Cai, Baoyang Deng, Christopher G. Y. Haddad, Jason T. Herlehy, Todd R. Kabrich, Nausheen Ahmad, Joseph C. Bufkin
Filed: 24 Jan 22
Utility
Sprocket locking segments
24 Oct 23
A sprocket segment includes a body with an attachment web including a first circumferential end and a second circumferential end.
Lewis C. Hunt, Donald John Kalmes, David J. Hakes
Filed: 22 Jan 21
Utility
Linkage system for screed extension
24 Oct 23
A linkage system for a screed extension includes a mounting plate that includes a mounting plate finger; an upper rail; a lower rail; a height adjustment shaft; a set of slide blocks that are disposed in a channel between the upper rail and the lower rail; a set of linkage arms; an angle of attack adjustment structure that holds the mounting plate finger at an angle; and a set of angle of attack adjustment screws.
Timothy L Wehrenberg, Toby Frelich, Brad W Green, Ryan Thiesse
Filed: 22 Jun 21