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:
Jan. 06, 2026

Filed:

May. 16, 2022
Applicant:

Scania Cv Ab, Södertälje, SE;

Inventors:

Jens Gustavsson, Åkers Styckebruk, SE;

Kurre Källkvist, Strängnäs, SE;

Joakim Svantesson, Vendelsö, SE;

Erik Jansson, Södertälje, SE;

Assignee:

Scania CV AB, Södertälje, SE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/20 (2006.01); F02M 51/06 (2006.01); F16K 31/06 (2006.01); H01F 7/06 (2006.01); H01F 7/08 (2006.01); H01F 7/16 (2006.01);
U.S. Cl.
CPC ...
H01F 7/064 (2013.01); F02D 41/20 (2013.01); F02M 51/061 (2013.01); F16K 31/0675 (2013.01); H01F 7/081 (2013.01); H01F 7/1607 (2013.01); F02D 2041/2051 (2013.01); F02D 2041/2058 (2013.01);
Abstract

The disclosure proposes a method for controlling discharge of a solenoid valve arranged in a vehicle, wherein the solenoid valve comprises an inductor and a plunger arranged to be moved by the inductor from a hold position to a rest position, whereby the solenoid valve is opened or closed. The method comprises stepwise discharging the inductor by discharging the inductor at a slow decay rate during an operating time period during which a final part of a movement of the plunger from the hold position to the rest position takes place. The method further comprises discharging the inductor at a fast decay rate during at least one other time period, wherein the plunger is stagnant during at least a part of said other time period, wherein the fast decay rate is faster than the slow decay rate.


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