The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 13, 2001

Filed:

Jun. 04, 1999
Applicant:
Inventors:

Paul T. Corcoran, Washington, IL (US);

Federico Fernandez, Washington, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 5/00 ; E01C 1/926 ; E02D 1/00 ;
U.S. Cl.
CPC ...
G01L 5/00 ; E01C 1/926 ; E02D 1/00 ;
Abstract

In a first embodiment, a method and apparatus for determining compaction performance of a material by a compactor having a known compaction width. The method and apparatus includes determining a lift thickness of the material, determining a rolling resistance of the compactor, determining a level of compactive energy delivered to the material as a function of the compaction width, the lift thickness and the rolling resistance, and determining the compaction performance of the material as a function of the compactive energy. In a second embodiment, a method and apparatus for determining compaction performance of a material by a compactor. The method and apparatus includes determining a ground speed of the compactor, determining a rolling resistance of the compactor, determining a propelling power of the compactor as a function of the ground speed and the rolling resistance, and determining the compaction performance of the material as a function of the propelling power of the compactor.


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