公开(公告)号：WO2017216665A1

公开(公告)日：2017-12-21

申请号：PCT/IB2017/053161

申请日：2017-05-30

Applicant: EMAK S.P.A.

Inventor： FERRARI, Marco ,  GAGLIARDI, Vincenzo

IPC: F02F3/24 ,  F02B25/20

Abstract: A two-stroke internal combustion engine comprising: a piston-cylinder group defining a combustion chamber and a pumping chamber, the piston being mobile in the cylinder between a bottom dead centre, wherein the volume of the combustion chamber is maximum and the volume of the pumping chamber is minimum, and a top dead centre, wherein the volume of the combustion chamber is minimum and the volume of the pumping chamber is maximum, an intake conduit communicating with the pumping chamber, an exhaust conduit communicating with the combustion chamber, at least a pair of transfer conduits able to set the pumping chamber in communication with the combustion chamber, and at least two primary channels fashioned in the piston and individually provided with an inlet which faces onto the exhaust conduit and an outlet which faces on a respective transfer conduit at least when the piston is at the top dead centre; where a lateral surface of the piston comprises a lowering in which the inlets of the primary channels are located.

Abstract translation: 一种二冲程内燃机，包括：限定燃烧室和增压室的活塞 - 气缸组，所述活塞在所述气缸中在下死点之间移动，其中，所述燃烧的体积 所述泵室的容积最小，并且所述燃烧室的容积最小且所述泵室的容积最大的上止点;与所述泵室连通的进气管道;排气管道 与燃烧室连通的至少一对传送管道，所述至少一对传送管道能够将所述增压室设置成与所述燃烧室连通;以及至少两个主要通道，所述至少两个主要通道形成在所述活塞中并且分别设置有面向所述排出管道的入口和 至少在活塞处于上死点时面向相应传送管道的出口; 其中活塞的侧表面包括主通道的入口位于其中的下降部。

公开(公告)号：WO2019116120A1

公开(公告)日：2019-06-20

申请号：PCT/IB2018/058855

申请日：2018-11-12

Applicant: EMAK S.P.A.

Inventor： LAUCIELLO, Antonio ,  CASTELLARI, Lorenzo ,  GAGLIARDI, Vincenzo

IPC: A01D34/78 ,  A01D34/90 ,  H02K9/06 ,  B25F5/00

Abstract: Described herein is a work tool (100) comprising: a motor (125) provided with a drive shaft (130), a casing (195) containing the motor (125) and provided with at least one inlet opening (235) and with at least one outlet opening (240), an implement (135) positioned outside the casing (195) and kinematically connected with the drive shaft (130), and a fan (245) kinematically connected to the drive shaft (130) and able to generate a flow of air from the inlet opening (235) towards the outlet opening (240) of the casing (195) passing in heat exchange relationship with the motor (125), wherein said fan (245) is contained inside the casing (195) in a space located between the motor (125) and the implement (135).

公开(公告)号：WO2018047024A1

公开(公告)日：2018-03-15

申请号：PCT/IB2017/054509

申请日：2017-07-25

Applicant: EMAK S.P.A.

Inventor： FERRARI, Marco ,  GAGLIARDI, Vincenzo

IPC: F02B33/04 ,  F02F1/22 ,  F02B63/02 ,  F02B33/28 ,  F02B25/14 ,  F02B75/02

Abstract: Herein described is a two-stroke internal combustion engine (100), comprising: a cylinder (135) having a pre-set central axis (B); a piston (145) slidably coupled to the cylinder (135) and suitable to divide the interior volume thereof into two distinct chambers, including a combustion chamber (150) and a pumping chamber (155); an intake duct (160) communicating with the pumping chamber (155); an exhaust duct (170) communicating with the combustion chamber (150); and at least one scavenging duct (180) suitable to place the pumping chamber (155) in communication with the combustion chamber (150); wherein said scavenging duct (180) comprises a terminal portion (190) leading to the combustion chamber (150) which extends with configuration diverging from an inlet section (200) up to an outlet section (205) obtained on a lateral surface of the cylinder (135).

Abstract translation: 这里描述的是一种二冲程内燃机（100），包括：具有预设中心轴线（B）的气缸（135）;以及具有预定中心轴线（B）的气缸（135）。 活塞（145），其可滑动地联接到所述缸体（135）并且适于将其内部容积分成包括燃烧室（150）和泵送室（155）的两个不同的室; 与增压室（155）连通的进气管（160）; 与燃烧室（150）连通的排气管（170）; 和至少一个适合于将泵送室（155）与燃烧室（150）连通的换气管道（180）; 其特征在于，所述扫气管（180）包括通向燃烧室（150）的末端部分（190），所述末端部分以随着从入口部分（200）分叉直到在所述气缸的侧表面上获得的出口部分（205） （135）。

公开(公告)号：WO2018025112A9

公开(公告)日：2018-02-08

申请号：PCT/IB2017/054390

申请日：2017-07-20

Applicant: EMAK S.P.A.

Inventor： BARBOLINI, Gianluca ,  GAGLIARDI, Vincenzo ,  GRISENDI, Alessandro

IPC: F02P9/00 ,  F02P5/15 ,  F02D41/12

Abstract: Herein described is a method for controlling the operation of a spark ignition internal combustion engine (100), wherein the engine (100) comprises: a combustion chamber (115), an intake duct (155) suitable to place the combustion chamber (115) in communication with the external, a throttle valve (165) arranged inside the intake duct (155), a carburettor (170) suitable to introduce fuel into the intake duct (155) to form a mixture of air and fuel intended to be intaken into the combustion chamber (115), and a spark plug (235) arranged inside the combustion chamber (115) to generate a spark suitable to ignite the combustion of the air and fuel mixture; the method comprising the steps of: monitoring the opening degree (G) of the throttle valve (165), monitoring the speed (V) of the engine (100), preventing the spark plug (235) from generating the spark, if the opening degree (G) of the throttle valve (165) drops below a first opening degree threshold value (GM) and the speed (V) of the engine (100) is greater than a first engine speed threshold value (VF).

公开(公告)号：WO2018025112A1

公开(公告)日：2018-02-08

申请号：PCT/IB2017/054390

申请日：2017-07-20

Applicant: EMAK S.P.A.

Inventor： BARBOLINI, Gianluca ,  GAGLIARDI, Vincenzo ,  GRISENDI, Alessandro

IPC: F02P9/00 ,  F02P5/15 ,  F02D41/12

Abstract: Herein described is a method for controlling the operation of a spark ignition internal combustion engine (100), wherein the engine (100) comprises: a combustion chamber (115), an intake duct (155) suitable to place the combustion chamber (115) in communication with the external, a throttle valve (165) arranged inside the intake duct (155), a carburettor (170) suitable to introduce fuel into the intake duct (155) to form a mixture of air and fuel intended to be intaken into the combustion chamber (115), and a spark plug (235) arranged inside the combustion chamber (115) to generate a spark suitable to ignite the combustion of the air and fuel mixture; the method comprising the steps of: monitoring the opening degree (G) of the throttle valve (165), monitoring the speed (V) of the engine (100), preventing the spark plug (235) from generating the spark, if the opening degree (G) of the throttle valve (165) drops below a first opening degree threshold value (GM) and the speed (V) of the engine (100) is greater than a first engine speed threshold value (VF).

Abstract translation: 这里描述的是一种用于控制火花点火内燃机（100）的操作的方法，其中发动机（100）包括：燃烧室（115），适于进气门的进气管道（155） （115）与外部连通，布置在进气管道（155）内的节流阀（165），适于将燃料引入进气管道（155）中以形成混合物的化油器（170） 意图吸入燃烧室（115）的空气和燃料以及布置在燃烧室（115）内的火花塞（235），以产生适于点燃空气和燃料混合物的燃烧的火花; 该方法包括以下步骤：监测节气门（165）的开度（G），监测发动机（100）的速度（V），防止火花塞（235）产生火花 （165）的度数（G）降低到第一开度阈值（GM）以下并且发动机（100）的速度（V）大于第一发动机速度阈值（VF）。