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    • 3. 发明公开
    • SIX-CYCLE ENGINE AND METHOD FOR OPERATING SIX-CYCLE ENGINE
    • SECHSTAKTMOTOR UND VERFAHREN ZUM BETRIEB DES SECHSTAKTMOTORS
    • EP3020944A4
    • 2016-07-06
    • EP14823775
    • 2014-06-20
    • YAMAHA MOTOR CO LTD
    • TSUKAHARA EI
    • F02D13/02
    • F02D13/0261F01L1/047F01L1/08F01L1/38F02B1/00F02B1/04F02B3/06F02B75/021F02D13/02F02F2001/247
    • A six-stroke engine includes a cylinder, a piston, a cylinder head, a combustion chamber, an intake port, an exhaust port, an intake valve, an exhaust valve, a fuel injector, and an ignition plug. The six-stroke engine includes a valve gear that operates the intake valve and the exhaust valve to execute an intake stroke, a compression stroke with ignition, an expansion stroke with combustion, an exhaust stroke, an expansion stroke without combustion, and a compression stroke without ignition. The valve gear opens only for a predetermined period of time while the piston is located on a top dead center side, at least one of the intake valve and the exhaust valve, within a period from the exhaust stroke to the intake stroke. A valve overlap state (B) is produced at least once within the period from the exhaust stroke to the intake stroke. Gas exchange in the cylinder is properly performed, and the thermal efficiency becomes high. Additionally, a high cooling effect can be obtained using only the components of the engine.
    • 六冲程发动机包括气缸,活塞,气缸盖,燃烧室,进气口,排气口,进气门,排气门,燃料喷射器和火花塞。 六冲程发动机包括:阀齿轮,其操作进气门和排气门,以执行进气冲程,具有点火的压缩冲程,具有燃烧的膨胀冲程,排气冲程,不燃烧的膨胀冲程和压缩冲程 无点燃。 在从排气冲程到进气冲程的时间段内,活塞位于上止点侧,进气门和排气阀中的至少一个上,阀门仅打开预定时间段。 在从排气冲程到进气冲程的时段内至少产生一次阀重叠状态(B)。 气缸中的气体交换被适当地进行,并且热效率变高。 此外,仅使用发动机的部件可以获得高冷却效果。
    • 4. 发明公开
    • MOTEUR A COMBUSTION INTERNE DEUX TEMPS À CHAMBRE SPHÉRIQUE
    • 麻醉师KEGELFÖRMIGENKAMMER ZWEITAKTVERBRENNUNGSMOTOR
    • EP3017145A1
    • 2016-05-11
    • EP14752946.5
    • 2014-07-02
    • Bonnefous, Edouard
    • Bonnefous, Edouard
    • F01C9/00F01C17/02F02B75/36
    • F01B9/02F01C9/00F01C17/02F01C19/00F01L1/344F02B1/04F02B1/12F02B75/02F02B75/36F04C2250/00Y02T10/142Y02T10/17
    • An internal combustion heat engine, of which the architecture of one elementary "cylinder" comprises 4 identical mobile couplings distributed about the Z axis of the engine, consisting of a segmented "piston" (50) driven by the crank pin of a crankshaft (40) and guided by a roller (61) rolling in a slide (60u). The crankshafts, which are parallel and synchronised by a gear mechanism, perform one revolution per cycle. Each piston comprises a sliding surface that nearly touches the cylinder face of the adjacent piston, but on which the segmentation slides in sealed contact. The concave shape of the 4 overlapping faces encloses a chamber volume (35) that changes cyclically: at a minimum, having a quasi-spherical shape during combustion, reducing the heat losses at the walls, and at a maximum, uncovering the ports allowing intake and exhaust via transfer units (57i) and manifolds (20s, 20i) with the possibility of more economical Miller/Atkinson distribution, via rotary plates (22s, 22i).
    • 一种内燃式发动机,其一个基本“气缸”的结构包括围绕发动机的Z轴分布的4个相同的移动联轴器,包括由曲轴的曲柄销驱动并由一个辊子引导的分段“活塞” 滚动在幻灯片。 通过齿轮机构平行并同步的曲轴每循环执行一次旋转。 每个活塞包括几乎接触相邻活塞的气缸面的滑动表面,而分段在此密封接触时滑动。 4个重叠面的凹形包围周期性变化的室体积:至少在燃烧过程中具有准球形形状,减少了壁处的热损失,并且最大限度地,露出允许吸入和排出的端口 转运单元和歧管,可通过旋转板更经济的米勒/阿特金森分配。