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.
Patent No.:
Date of Patent:
Jun. 07, 2022
Filed:
Feb. 11, 2019
Caterpillar Paving Products Inc., Brooklyn Park, MN (US);
Thomas J. Olson, North Dayton, MN (US);
Corwin E. Storer, Bartonville, IL (US);
Ryan A. Enot, Dunlap, IL (US);
Matthew-David S. Frantz, Eden Prairie, MN (US);
Derek P. Nieuwsma, Loretto, MN (US);
Rustin G. Metzger, Congerville, IL (US);
Nathaniel S. Doy, Maple Grove, MN (US);
Caterpillar Paving Products Inc., Brooklyn Park, MN (US);
Abstract
A rotary mixer can include a frame, a rotor attached to the frame, four wheels attached to the frame for moving the rotary mixer, and a drive system for driving the four wheels, the drive system can include four independent hydrostatic drive loops, each of the independent hydrostatic drive loops associated with one of the wheels such that each one of the independent hydrostatic drive loops independently drives one of the four wheels; wherein the drive system includes a pressure balance mode of operation for relatively good traction ground or road conditions, and a wheel speed synchronization mode of operation for relatively poor traction ground or road conditions.