Title:
エンジンピストン、エンジン、ハンドヘルドツール、及びエンジンピストンの製造方法
Document Type and Number:
Japanese Patent JP7447136
Kind Code:
B2
Abstract:
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).
Inventors:
Henrik Assalson
Yoan Lane
Yoan Lane
Application Number:
JP2021552634A
Publication Date:
March 11, 2024
Filing Date:
March 02, 2020
Export Citation:
Assignee:
Fusukuvarna Actie Borrag
International Classes:
F02F3/00; B22C9/10; B22C9/24; F16J1/00
Domestic Patent References:
| JP2011169322A | ||||
| JP3107565A | ||||
| JP8144847A | ||||
| JP61103059A | ||||
| JP4121575U |
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mihashi
Junichi Tsuruta
Tomohiro Minamiyama
Yuichi Morimoto
Shinji Mihashi
Junichi Tsuruta
Tomohiro Minamiyama
Yuichi Morimoto
Previous Patent: Dispersion liquid containing graphene carbon nanoparticles and dispersant resin
Next Patent: Vehicle operation pedal device
Next Patent: Vehicle operation pedal device