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1. WO2018163237 - UNIFLOW SCAVENGING TYPE TWO-CYCLE ENGINE

Publication Number WO/2018/163237
Publication Date 13.09.2018
International Application No. PCT/JP2017/008746
International Filing Date 06.03.2017
IPC
F02B 25/04 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
25Engines characterised by using fresh charge for scavenging cylinders
02using unidirectional scavenging
04Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
CPC
F02B 2075/025
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
75Other engines
02Engines characterised by their cycles, e.g. six-stroke
022having less than six strokes per cycle
025two
F02B 25/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
25Engines characterised by using fresh charge for scavenging cylinders
02using unidirectional scavenging
04Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
F02B 75/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
75Other engines
02Engines characterised by their cycles, e.g. six-stroke
F02D 13/0276
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
13Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
02during engine operation
0276Actuation of an additional valve for a special application, e.g. for decompression, exhaust gas recirculation or cylinder scavenging
F02D 13/028
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
13Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
02during engine operation
028for two-stroke engines
F02D 13/0284
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
13Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
02during engine operation
028for two-stroke engines
0284Variable control of exhaust valves only
Applicants
  • 株式会社IHI IHI CORPORATION [JP]/[JP]
Inventors
  • 山田 敬之 YAMADA Takayuki
  • 山田 剛 YAMADA Takeshi
  • 増田 裕 MASUDA Yutaka
  • 梅本 義幸 UMEMOTO Yoshiyuki
Agents
  • 寺本 光生 TERAMOTO Mitsuo
  • 志賀 正武 SHIGA Masatake
  • 高橋 久典 TAKAHASHI Hisanori
Priority Data
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) UNIFLOW SCAVENGING TYPE TWO-CYCLE ENGINE
(FR) MOTEUR DEUX TEMPS À BALAYAGE LONGITUDINAL
(JA) ユニフロー掃気式2サイクルエンジン
Abstract
(EN) This uniflow scavenging type two-cycle engine is provided with: a cylinder (110); a scavenging port (118) which is formed in the cylinder, opens in the process of a piston (114) moving toward a bottom dead center, and introduces active gas into the cylinder; and a movable part allowing an opening position (118a), of the scavenging port, on a top dead center side of the piston to be displaced in a stroke direction of the piston.
(FR) La présente invention concerne un moteur deux temps à balayage longitudinal comportant: un cylindre (110); une lumière (118) de balayage qui est formée dans le cylindre, s'ouvre au cours du déplacement d'un piston (114) vers un point mort bas, et introduit un gaz actif dans le cylindre; et une partie mobile permettant de décaler une position (118a) d'ouverture de la lumière de balayage, côté point mort haut du piston, dans la direction d'une course du piston.
(JA) このユニフロー掃気式2サイクルエンジンは、シリンダ(110)と、シリンダに形成され、ピストン(114)が下死点に向かう過程で開口し、シリンダの内部に活性ガスを流入させる掃気ポート(118)と、掃気ポートのうち、ピストンの上死点側の開口位置(118a)を、ピストンのストローク方向に変位させる可動部と、を備える。
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