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:
Mar. 02, 2010
Filed:
Aug. 31, 2005
Applicants:
Roger Hälleberg, Nacka, SE;
Magnus Pettersson, Södertälje, SE;
Inventors:
Roger Hälleberg, Nacka, SE;
Magnus Pettersson, Södertälje, SE;
Assignee:
Scania CV AB (publ), , SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60W 10/04 (2006.01); G06F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to the control of fuel pressure in a common rail engine in connection with an automatic gearshift procedure. Upon receipt of a primary gearshift command, a fuel pressure in the common rail fuel system is decreased. This decrease is initiated during a time interval prior to reducing engine torque. A gear is released after the engine torque is lowered, thereby enabling a smooth gear release.