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公开(公告)号：US20230030878A1
公开(公告)日：2023-02-02
申请号：US17873473
申请日：2022-07-26
申请人： Achates Power, Inc.
摘要： In an opposed-piston engine, a piston has a top land. The piston top land has a non-cylindrical shape which affords more clearance with a piston bore to thrust and anti-thrust sides than to front-facing and rear facing sides.
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公开(公告)号：US11085297B1
公开(公告)日：2021-08-10
申请号：US15442617
申请日：2017-02-24
发明人： James C. Warren
摘要： A four-stroke opposed piston engine contains a drive train containing two outer crank shaft gears, and two inner synchro gears, wherein the inner synchro gears are twice the diameter of the outer crank shaft gears. Additionally, novel piston faces are presented that when fixed on opposed pistons, create annular cavities that form advantageous combustion chambers when the pistons are at top dead center.
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公开(公告)号：US10890070B2
公开(公告)日：2021-01-12
申请号：US16192283
申请日：2018-11-15
发明人： Stephan Schneider
IPC分类号： F01B11/00 , F01P3/02 , F02B71/04 , F02B75/28 , F02B71/00 , F01B7/02 , F01B11/02 , F02B75/02 , F02B63/04
摘要： A free piston apparatus includes a piston receptacle in which a piston device having a piston is reciprocable along an axis. The piston receptacle includes or forms a combustion chamber delimited by a wall arrangement forming an inlet opening for the supply of fresh gas and an outlet opening for the removal of exhaust gas. Fresh gas is suppliable via a supply conduit. The free piston apparatus includes a housing for fresh gas which is connected to the supply conduit in a flow direction of the fresh gas being supplied. The housing forms a settling chamber for fresh gas which surrounds the piston receptacle at least in sections in the region of the inlet opening in a circumferential direction of the axis. The settling chamber opens into the combustion chamber via the inlet opening.
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公开(公告)号：US10738720B2
公开(公告)日：2020-08-11
申请号：US15513055
申请日：2014-09-29
发明人： Stephen Geyer
摘要： A method includes operating an air boosting apparatus of a two-stroke, opposed piston engine as a function of one or more factors including a first engine speed, a first torque, demand, a first altitude, a first transient rate, and one or more first ambient conditions to provide a first pressure S ratio (PR} of pre-turbine pressure (PTP) versus turbocharger compressor discharge pressure (CDP} and a first air-to-fuel ratio (AFR).
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公开(公告)号：US20200208522A1
公开(公告)日：2020-07-02
申请号：US16817487
申请日：2020-03-12
申请人： Anton Giger
发明人： Anton Giger
摘要： A crank and connecting rod mechanism, comprising at least one piston, which reciprocates within at least one cylinder, comprising: at least one connecting rod, comprising: a piston end pivotally connected to the at least one piston, a crank end; at least one gear set, comprising: a crankpin, the crank end pivotally connected to the crankpin; a crank gear; a crank gear shaft, the crank gear rotatably mounted on the crank gear shaft, the crankpin located between centerline of the crank gear shaft and radius of the pitch circle of the crank gear; a stationary gear, the crank gear meshing with the stationary gear, the crank end driving the crankpin, which drives the crank gear and the crank gear shaft about the stationary gear; the crank pin and the crank end rotating about the stationary gear and following the path of a roulette of a centered trochoid about the stationary gear.
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公开(公告)号：US10562010B2
公开(公告)日：2020-02-18
申请号：US15983969
申请日：2018-05-18
发明人： Dominique Bosteels
IPC分类号： B01J23/10 , B01J35/00 , B01J21/18 , F02M27/02 , F02B17/00 , F02B51/02 , B01J37/02 , F01B7/02 , F02B75/26 , B01J21/06 , F01B3/02 , B01J35/02 , B01D53/94 , B01D53/83
摘要： The invention relates to an at least partly stratified (such as at least partly dual stratified) charge combustion engine, especially CAI (combustion assisted ignition), HCC, HCSI and HCCI engine, in which the combustion of a hydrocarbon containing fuel generating a flame emitting photon is operated in a chamber with a wall provided with a cerium oxide-carbon containing coating, said coating further comprising at least comprising oxides of the followings elements Pr, Nd, La and at least Y and/or Zr. The engine of the invention enables a catalytic reduction of NOx exhaust rate.
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公开(公告)号：US20190085696A1
公开(公告)日：2019-03-21
申请号：US16192301
申请日：2018-11-15
发明人： Stephan Schneider , Florian Kock
摘要： A free piston apparatus includes a piston receptacle in which a piston device having a piston is linearly reciprocable. The piston receptacle includes or forms a combustion chamber delimited by a wall arrangement forming a first opening and a second opening. The openings include an inlet opening for the supply of fresh gas and an outlet opening for the removal of exhaust gas for a uniflow scavenging of the combustion chamber. Movement of the piston device is controllable by a control device. The bottom dead center of the piston can be adjustable such that when the piston adopts the bottom dead center, the first opening is partially unblocked and partially blocked for adjusting a free cross sectional area of the first opening. An opening duration can also be adjustable. A method for operating a free piston apparatus includes controlling movement of a piston device with a control device.
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公开(公告)号：US20190078479A1
公开(公告)日：2019-03-14
申请号：US16141809
申请日：2018-09-25
申请人： ACHATES POWER, INC.
IPC分类号： F01N3/20 , F02B29/04 , F02B75/28 , F02B75/02 , F02B33/44 , F02M26/08 , F02B25/08 , F01B7/14 , F02D41/06 , F02B37/04 , F01B7/02 , F02M26/15 , F02M26/23
摘要： Exhaust temperature management strategies for an opposed-piston, two-stroke engine with EGR are based on control of a ratio of the mass of fresh air and external EGR delivered to a cylinder to the mass of the trapped charge (density of the delivered charge multiplied by the trapped volume at port closing).
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公开(公告)号：US09926969B2
公开(公告)日：2018-03-27
申请号：US15444053
申请日：2017-02-27
申请人： ACHATES POWER, INC.
发明人： John M. Kessler , Clark A. Klyza
IPC分类号： F16C9/04 , F02F3/00 , F02B75/28 , F16J1/14 , F16J1/16 , F02B75/02 , F16C17/02 , F16C33/04 , F01B7/02 , F16C33/10 , F16C3/06 , F16C7/02 , F16C11/02 , F01M11/02
CPC分类号： F16C9/04 , F01B7/02 , F01M2011/025 , F01M2011/026 , F02B75/02 , F02B75/28 , F02B75/282 , F02B2075/025 , F02F3/00 , F16C3/06 , F16C7/023 , F16C11/02 , F16C17/022 , F16C33/04 , F16C33/1065 , F16C2360/22 , F16J1/14 , F16J1/16
摘要： A rocking journal bearing is provided in a piston coupling mechanism. The bearing includes a sleeve and a wristpin constructed with two sets of eccentrically-disposed bearing surfaces which alternate in accepting a compressive load during an operational cycle of the bearing. The sleeve includes a network of grooves to transport oil to the bearing surfaces. Lubricating oil flow through the bearing is minimized by limiting provision of pressurized oil from the wristpin to the network of grooves to portions of the cycle when one or the other of the sets of bearing surfaces receives the compressive load.
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公开(公告)号：US09388695B2
公开(公告)日：2016-07-12
申请号：US12736183
申请日：2009-03-17
申请人： Antar Daouk
发明人： Antar Daouk
CPC分类号： F01B3/04 , F01B7/00 , F01B7/02 , F01B7/04 , F01B9/06 , F02B75/045 , F02B75/282
摘要： The invention relates to an engine including: —a cylinder that contributes to define a chamber (3), —a first piston (4), said first piston (4) and cylinder are subjected to a first relative back-and-forth motion, —an output shaft (8), —a second piston (14), said second piston (4) and cylinder are subjected to a second relative back-and-forth motion, said output shaft (8) mounted coaxially to said pistons (4, 14), —a first means for converting (5) said first relative back-and-forth movement into rotational motion of the output shaft (8), including, on one side, a first corrugated guide track (9) and, on the other side, a first guide element (10) designed to move along said guide track (9), —a first adjustment member (5) to position the first guide track (9).
摘要翻译： 本发明涉及一种发动机，其包括： - 有助于限定室（3）的缸， - 第一活塞（4），所述第一活塞（4）和气缸经受第一相对的往复运动， - 输出轴（8）， - 第二活塞（14），所述第二活塞（4）和气缸经受第二相对往复运动，所述输出轴（8）与所述活塞（4）同轴安装 ，14）， - 用于将所述第一相对往复运动转换成输出轴（8）的旋转运动的第一装置，包括在一侧包括第一波纹引导轨道（9），并且在其上 另一侧是设计成沿着所述导轨（9）移动的第一引导元件（10）， - 第一调节构件（5）以定位第一导轨（9）。
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