公开(公告)号：US20070250255A1

公开(公告)日：2007-10-25

申请号：US11739190

申请日：2007-04-24

申请人： Frederic Anton Matekunas ,  Paul Anthony Battiston ,  Patrick G. Szymkowicz ,  Anupam Gangopadhyay

发明人： Frederic Anton Matekunas ,  Paul Anthony Battiston ,  Patrick G. Szymkowicz ,  Anupam Gangopadhyay

IPC分类号： G06G7/70 ,  F02M7/00 ,  F02M51/00 ,  G06F19/00

CPC分类号： F02D17/02 ,  F02B1/12 ,  F02B3/06 ,  F02D13/0211 ,  F02D17/04 ,  F02D35/023 ,  F02D41/009 ,  F02D41/3035 ,  F02D41/402 ,  F02D41/403 ,  F02M26/21 ,  F02M26/23 ,  F02M45/02 ,  F02M45/04 ,  Y02T10/128 ,  Y02T10/44

摘要： The invention comprises a method to determine a position of a piston in a cylinder of an engine during ongoing operation, comprising adapting pressure sensing devices to monitor in-cylinder pressure, and, operating the engine. In-cylinder pressure is monitored along with a corresponding engine crank position. The engine is operated in a motoring mode and in a cylinder firing mode, and a plurality of instantaneous in-cylinder pressure states are determined during compression and expansion strokes. Pressure ratios are determined based upon the instantaneous in-cylinder pressure states, which are used to determine an engine crank angle and compression ratio error and, adjust the monitored engine crank position based upon the crank angle error and readjust engine operation according to these sensed errors.

摘要翻译： 本发明包括一种在正在进行的操作期间确定发动机气缸中的活塞的位置的方法，包括调整压力感测装置以监测缸内压力和操作发动机。 缸内压力与相应的发动机曲柄位置一起被监控。 发动机以电动模式和气缸燃烧模式操作，并且在压缩和膨胀冲程期间确定多个瞬时缸内压力状态。 压力比是基于瞬时缸内压力状态确定的，这些状态用于确定发动机曲轴转角和压缩比误差，并且根据曲轴转角误差来调整监测的发动机曲轴位置，并根据这些感测误差重新调整发动机运行 。

公开(公告)号：US20070246004A1

公开(公告)日：2007-10-25

申请号：US11739197

申请日：2007-04-24

申请人： Frederic Anton Matekunas ,  Paul Anthony Battiston ,  Patrick G. Szymkowicz ,  Anupam Gangopadhyay

发明人： Frederic Anton Matekunas ,  Paul Anthony Battiston ,  Patrick G. Szymkowicz ,  Anupam Gangopadhyay

IPC分类号： F02B3/00 ,  F02M7/00 ,  G06F17/00

CPC分类号： F02D17/02 ,  F02B1/12 ,  F02B3/06 ,  F02D13/0211 ,  F02D17/04 ,  F02D35/023 ,  F02D41/009 ,  F02D41/3035 ,  F02D41/402 ,  F02D41/403 ,  F02M26/21 ,  F02M26/23 ,  F02M45/02 ,  F02M45/04 ,  Y02T10/128 ,  Y02T10/44

摘要： A method for controlling operation of an internal combustion engine operating lean of stoichiometry is described. The engine comprises a multi-cylinder direct-injection engine, the engine operative in repetitive cycles each cycle comprising intake, compression, expansion, and exhaust strokes. The method comprises adapting a plurality of fuel injectors to directly inject a first and a second mass of fuel into the cylinders during each cycle. Pressure sensing devices monitor in-cylinder pressure in the cylinders during ongoing operation. The first mass of fuel is injected into one of the cylinders. A cylinder pressure ratio is determined in the cylinder subsequent to injecting the first mass of fuel based upon the monitored pressure. The first mass of fuel injected is adjusted during a subsequent cycle based upon the cylinder pressure ratio.

摘要翻译： 描述了一种用于控制操作贫化学计量的内燃机的操作的方法。 发动机包括多气缸直喷发动机，发动机以重复循环运行，每个循环包括进气，压缩，膨胀和排气冲程。 该方法包括使多个燃料喷射器适应于在每个循环期间将第一和第二燃料质量直接喷射到气缸中。 压力传感装置在持续运行期间监测缸内的缸内压力。 燃料的第一质量被注入其中一个气缸。 基于监测到的压力，在喷射第一质量燃料之后，在气缸中确定气缸压力比。 基于气缸压力比在随后的循环中调节喷射的燃料的第一质量。

公开(公告)号：US07824099B2

公开(公告)日：2010-11-02

申请号：US11946995

申请日：2007-11-29

申请人： Yongsheng He ,  Paul Anthony Battiston ,  Alexandros C. Alkidas

发明人： Yongsheng He ,  Paul Anthony Battiston ,  Alexandros C. Alkidas

IPC分类号： G01K7/00

CPC分类号： G01K13/02 ,  G01K7/42 ,  G01K2205/04

摘要： A method for accurate estimation of a gas temperature at transient conditions includes measuring temperature sensor readings in a gas flow and estimating the gas temperature by equating the specific heat properties of the temperature sensor to the sum of conductive heat, convective heat, and radiative heat acting upon the temperature sensor and solving for the gas temperature.

摘要翻译： 用于在瞬态条件下精确估计气体温度的方法包括测量气流中的温度传感器读数，并通过将温度传感器的比热等于传导热，对流热和辐射热作用的总和来估计气体温度 在温度传感器和解决气体温度。

公开(公告)号：US20090141768A1

公开(公告)日：2009-06-04

申请号：US11946995

申请日：2007-11-29

申请人： Yongsheng He ,  Paul Anthony Battiston ,  Alexandros C. Alkidas

发明人： Yongsheng He ,  Paul Anthony Battiston ,  Alexandros C. Alkidas

IPC分类号： G01K7/02 ,  F02D41/26

CPC分类号： G01K13/02 ,  G01K7/42 ,  G01K2205/04

摘要： A method for accurate estimation of a gas temperature at transient conditions includes measuring temperature sensor readings in a gas flow and estimating the gas temperature by equating the specific heat properties of the temperature sensor to the sum of conductive heat, convective heat, and radiative heat acting upon the temperature sensor and solving for the gas temperature.

摘要翻译： 用于在瞬态条件下精确估计气体温度的方法包括测量气流中的温度传感器读数，并通过将温度传感器的比热等于传导热，对流热和辐射热作用的总和来估计气体温度 在温度传感器和解决气体温度。

公开(公告)号：US20140060475A1

公开(公告)日：2014-03-06

申请号：US13597760

申请日：2012-08-29

申请人： Robert D. Straub ,  Paul Anthony Battiston ,  Amrita R. Wadhwa

发明人： Robert D. Straub ,  Paul Anthony Battiston ,  Amrita R. Wadhwa

IPC分类号： F02F1/24

CPC分类号： F02B23/00 ,  F02B2275/14 ,  Y02T10/123 ,  Y02T10/125

摘要： An internal combustion engine includes a piston disposed within a bore and moveable in a reciprocating motion within the bore along a central bore axis. The piston includes an axial end surface that defines a combustion chamber having a plurality of annular recesses recessed into the axial end surface of the piston. One of a plurality of valves is disposed opposite each of the plurality of annular recesses of the combustion chamber. Each of the plurality of annular recesses is axially aligned with a head of one of the plurality of valves and is sized to receive an outer perimeter of the head therein to provide clearance during valve overlap, between the axial end surface of the piston and the head of the valve, when the piston is disposed near a top dead center position.

摘要翻译： 内燃机包括设置在孔内的活塞，并且沿着中心孔轴线在孔内沿往复运动运动的活塞。 活塞包括限定燃烧室的轴向端面，该燃烧室具有凹入活塞的轴向端面的多个环形凹部。 多个阀中的一个与燃烧室的多个环形凹部中的每一个相对地设置。 多个环形凹槽中的每一个与多个阀中的一个的头部轴向对准，并且其尺寸设计成在其中容纳头部的外周，以在阀重叠期间在活塞的轴向端面与头部之间提供间隙 当活塞设置在靠近上止点位置时。