发明授权
- 专利标题: Engine piston, engine, hand-held tool, and method of manufacturing an engine piston
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申请号: US17435791申请日: 2020-03-02
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公开(公告)号: US11725570B2公开(公告)日: 2023-08-15
- 发明人: Henrik Assarsson , Johan Lönn
- 申请人: HUSQVARNA AB
- 申请人地址: SE Huskvarna
- 专利权人: HUSQVARNA AB
- 当前专利权人: HUSQVARNA AB
- 当前专利权人地址: SE Huskvarna
- 代理机构: Burr & Forman LLP
- 优先权: SE 502830 2019.03.06
- 国际申请: PCT/SE2020/050228 2020.03.02
- 国际公布: WO2020/180232A 2020.09.10
- 进入国家日期: 2021-09-02
- 主分类号: F02B17/00
- IPC分类号: F02B17/00 ; F02B25/22 ; F02B33/04 ; F02B63/02 ; F02F3/00 ; F02F3/24 ; F16J1/09 ; F02B75/02
摘要:
A two-stroke engine piston (1) is disclosed comprising a piston top (3), a mantle surface (5), a stratified scavenging channel (7) in the mantle surface (5), and a weight reduction space (9) arranged between the piston top (3) and the stratified scavenging channel (7). The weight reduction space (9) has a largest first axial extent (a1) at the mantle surface (5) and a second axial extent (a2) radially inside the mantle surface (5), and wherein the second axial extent (a2) is greater than the largest first axial extent (a1). The present disclosure further relates to an engine (30), a hand-held tool (40), and a method of manufacturing an engine piston (1).
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