Load weighing system for a heavy machinery
US6225574A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1998 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Nov 6, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G19/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A hoisting machine including a device supported from a structure, the device holding the material to be lifted, the structure being movable to locate the device in respective loaded and unloading positions, and apparatus for measuring the quantity of material delivered by the device, the apparatus comprising means to determine the position of the device with respect to a selected location in the structure at a plurality of intervals during the movement of the device, means to provide a processable position signal indicative of the determined position of the device, means to determine the load at a selected location within the structure where the load is related to the weight of the device and device contents at the intervals during the movement of the device, means to produce a processable load signal indicative of the determined load at the location, and processing means to receive the position and load signals for a plurality of interval determinations and calculate therefrom a number of weight determinations of the device and device contents from the interval determinations made during the movement, to select a sample of less than all of the weight determinations based upon the …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.