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:
Aug. 15, 2023

Filed:

Mar. 02, 2020
Applicant:

Husqvarna Ab, Huskvarna, SE;

Inventors:

Henrik Assarsson, Jönköping, SE;

Johan Lönn, Jönköping, SE;

Assignee:

HUSQVARNA AB, Huskvarna, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 17/00 (2006.01); F02B 25/22 (2006.01); F02B 33/04 (2006.01); F02B 63/02 (2006.01); F02F 3/00 (2006.01); F02F 3/24 (2006.01); F16J 1/09 (2006.01); F02B 75/02 (2006.01);
U.S. Cl.
CPC ...
F02B 17/005 (2013.01); F02B 25/22 (2013.01); F02B 33/04 (2013.01); F02B 63/02 (2013.01); F02F 3/0076 (2013.01); F02F 3/24 (2013.01); F16J 1/09 (2013.01); F02B 2075/025 (2013.01); F02F 2003/0007 (2013.01);
Abstract

A two-stroke engine piston () is disclosed comprising a piston top (), a mantle surface (), a stratified scavenging channel () in the mantle surface (), and a weight reduction space () arranged between the piston top () and the stratified scavenging channel (). The weight reduction space () has a largest first axial extent (a) at the mantle surface () and a second axial extent (a) radially inside the mantle surface (), and wherein the second axial extent (a) is greater than the largest first axial extent (a). The present disclosure further relates to an engine (), a hand-held tool (), and a method of manufacturing an engine piston ().


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