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:
Aug. 04, 2015
Filed:
May. 14, 2012
Michael W. Ries, Coon Rapids, MN (US);
Paul A. Dvorak, Sanford, NC (US);
Mark L. Norton, Eden Prairie, MN (US);
Jon M. Scharf, Maple Grove, MN (US);
Christopher J. Demick, Fuquay-Varina, NC (US);
Christopher M. Elliott, Apex, NC (US);
Michael W. Ries, Coon Rapids, MN (US);
Paul A. Dvorak, Sanford, NC (US);
Mark L. Norton, Eden Prairie, MN (US);
Jon M. Scharf, Maple Grove, MN (US);
Christopher J. Demick, Fuquay-Varina, NC (US);
Christopher M. Elliott, Apex, NC (US);
Caterpillar Paving Products Inc., Brooklyn Park, MN (US);
Abstract
A drive system for a machine is disclosed. The drive system may have an engine, a pump driven by the engine to pressurize fluid, a motor connected to the pump via an inlet passage and an outlet passage, and a traction device driven by the motor. The drive system may also have an operator input device movable from a neutral position through a range to a maximum displaced position to affect a speed of the engine, and a controller in communication with the input device and at least one of the pump and motor. The controller may be configured to gradually adjust a displacement of the at least one of the pump and motor to slow the traction device over a period of time after the operator input device is returned to the neutral position.