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:
Oct. 21, 2025

Filed:

Jan. 20, 2022
Applicant:

Amazonen-werke H. Dreyer SE & Co. KG, Hasbergen, DE;

Inventor:

Markus Trentmann, Wallenhorst, DE;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/06 (2006.01); A01M 7/00 (2006.01); H01F 7/18 (2006.01);
U.S. Cl.
CPC ...
F16K 31/0675 (2013.01); A01M 7/0089 (2013.01); F16K 31/0655 (2013.01); H01F 7/1844 (2013.01); H01F 2007/1888 (2013.01); H01F 2007/1894 (2013.01);
Abstract

A method for actuating a solenoid valve, which is used for throughflow rate control, of an agricultural spreading machine, wherein the solenoid valve has a valve armature, comprising: energizing the solenoid valve in order to cause an opening movement of the valve armature and/or in order to hold the valve armature in an open position in which the solenoid valve is open, interrupting or changing the energization of the solenoid valve in order to cause a closing movement of the valve armature in the direction of a valve seat, and causing a reduction in the movement speed of the valve armature during the closing movement of the valve armature.


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