Dipper drop detection and mitigation in an industrial machine

US9562341B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9562341-B2
Application numberUS-201514695294-A
CountryUS
Kind codeB2
Filing dateApr 24, 2015
Priority dateApr 24, 2015
Publication dateFeb 7, 2017
Grant dateFeb 7, 2017

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Abstract

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An industrial machine that includes a dipper, a user interface, a sensor, a hoist actuator, and a controller. The user interface is operable to generate a first signal related to a requested characteristic of the industrial machine. The sensor is operable to generate a second signal related to an actual characteristic of the industrial machine. The hoist actuator has at least one operating parameter. The controller is configured to receive the first signal related to the actual characteristic, receive the second signal related to the requested characteristic, compare the requested characteristic to the actual characteristic to detect a dipper drop condition, and modify a setting of the at least one operating parameter of the hoist actuator after the dipper drop condition is detected. The dipper drop condition is detected after the requested characteristic does not match the actual characteristic

First claim

Opening claim text (preview).

What is claimed is: 1. An industrial machine comprising: a dipper; a user interface operable to generate a first signal related to a requested direction of dipper movement based on an operator input; a sensor operable to generate a second signal related to an actual direction of dipper movement; a hoist actuator having a hoist force operating parameter; and a controller including a processor and executable instructions stored in a non-transitory computer readable medium, t…

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What does patent US9562341B2 cover?
An industrial machine that includes a dipper, a user interface, a sensor, a hoist actuator, and a controller. The user interface is operable to generate a first signal related to a requested characteristic of the industrial machine. The sensor is operable to generate a second signal related to an actual characteristic of the industrial machine. The hoist actuator has at least one operating para…
Who is the assignee on this patent?
Harnischfeger Tech Inc
What technology area does this patent fall under?
Primary CPC classification E02F3/435. Mapped technology areas include Fixed Constructions.
When was this patent published?
Publication date Tue Feb 07 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).