公开(公告)号：US20190055882A1

公开(公告)日：2019-02-21

申请号：US16168045

申请日：2018-10-23

申请人： PRATT & WHITNEY CANADA CORP.

发明人： Jean THOMASSIN ,  Nigel DAVENPORT ,  Eugene GEKHT

IPC分类号： F02B55/08 ,  F02B19/12 ,  F02B53/02 ,  F02B53/10 ,  F02B53/12 ,  F01C21/18 ,  F01C1/22 ,  F01C21/10 ,  F01C21/06 ,  F01C11/00 ,  F01C20/06 ,  F01C20/10 ,  F01C20/24 ,  F01C21/08 ,  F04C29/00

摘要： A rotary engine having an insert in a peripheral wall of the stator body, the insert being made of a material having a greater heat resistance than that of the peripheral wall, having a subchamber defined therein and having an inner surface, the subchamber communicating with the cavity through at least one opening defined in the inner surface and having a shape forming a reduced cross-section adjacent the opening, a pilot fuel injector having a tip received in the subchamber, an ignition element having a tip received in the subchamber, and a main fuel injector extending through the stator body and having a tip communicating with the cavity at a location spaced apart from the insert. The subchamber has a volume corresponding to from 5% to 25% of a sum of the minimum volume and the volume of the subchamber. A method of injecting heavy fuel into a Wankel engine is also discussed.

公开(公告)号：US10125676B2

公开(公告)日：2018-11-13

申请号：US14706457

申请日：2015-05-07

申请人： Pratt & Whitney Canada Corp.

发明人： Jean Thomassin ,  Nigel Davenport ,  Eugene Gekht

IPC分类号： F02B19/10 ,  F02B55/08 ,  F01C1/22 ,  F01C21/06 ,  F01C21/10 ,  F01C21/18 ,  F02B53/10 ,  F02B19/12 ,  F02B53/02 ,  F02B53/12 ,  F01C11/00 ,  F01C20/06 ,  F01C20/10 ,  F01C20/24 ,  F01C21/08 ,  F04C29/00

摘要： A rotary engine having an insert in a peripheral wall of the stator body, the insert being made of a material having a greater heat resistance than that of the peripheral wall, having a subchamber defined therein and having an inner surface, the subchamber communicating with the cavity through at least one opening defined in the inner surface and having a shape forming a reduced cross-section adjacent the opening, a pilot fuel injector having a tip received in the subchamber, an ignition element having a tip received in the subchamber, and a main fuel injector extending through the stator body and having a tip communicating with the cavity at a location spaced apart from the insert. The subchamber has a volume corresponding to from 5% to 25% of a sum of the minimum volume and the volume of the subchamber. A method of injecting heavy fuel into a Wankel engine is also discussed.

公开(公告)号：US09540992B2

公开(公告)日：2017-01-10

申请号：US14152255

申请日：2014-01-10

申请人： Pratt & Whitney Canada Corp.

发明人： Jean Thomassin ,  Andre Julien ,  Edwin Schulz ,  Michael Lanktree

IPC分类号： F02B53/00 ,  F02B53/06 ,  F02B53/04 ,  F01C1/22 ,  F01C20/06 ,  F01C20/10 ,  F01C20/24 ,  F01C21/18 ,  F01C11/00 ,  F01C21/06 ,  F01C21/08 ,  F01C21/10 ,  F04C29/00

CPC分类号： F02B53/06 ,  F01C1/22 ,  F01C11/006 ,  F01C20/06 ,  F01C20/10 ,  F01C20/24 ,  F01C21/06 ,  F01C21/08 ,  F01C21/106 ,  F01C21/18 ,  F01C21/183 ,  F02B53/02 ,  F02B53/04 ,  F02B55/16 ,  F02B2053/005 ,  F04C29/0092 ,  F04C2240/80

摘要： A method and apparatus for controlling an air input in a rotary engine, including selectively controlling a plurality of inlet ports communicating with an internal combustion cavity of the engine, the ports located serially downstream of the exhaust port relative direction of a revolution of a rotor of the engine. The inlet ports are controlled to alter air intake at various engine operational stages, such as start up, idle, etc., to allow for varying operational requirements to be met. For example: when a power demand on the engine lower than a predetermined threshold, control may be effected by opening a primary inlet port and closing a secondary inlet port; and, when the power demand exceeds the predetermined threshold, control may be effected by opening the primary inlet port and opening the secondary inlet port, the secondary inlet port being located such as to be in communication with the exhaust port throughout portions of the revolution of the engine to purge exhaust gases of the engine.

摘要翻译： 一种用于控制旋转发动机中的空气输入的方法和装置，包括选择性地控制与发动机的内部燃烧腔相通的多个入口，排气口的下游侧的端口相对于转子转速的相对方向 引擎。 入口端口被控制以改变各种发动机操作阶段（例如起动，空转等）的进气口，以允许满足不同的操作要求。 例如：当发动机上的功率需求低于预定阈值时，可以通过打开主入口并关闭次级入口来实现控制; 并且当功率需求超过预定阈值时，可以通过打开主入口并打开次级入口来进行控制，次级入口位于与排气口连通的部分， 发动机来净化发动机的废气。

公开(公告)号：US08893684B2

公开(公告)日：2014-11-25

申请号：US13271855

申请日：2011-10-12

申请人： Mike L. P. Fontaine ,  Andre Julien ,  Jean Thomassin

发明人： Mike L. P. Fontaine ,  Andre Julien ,  Jean Thomassin

IPC分类号： F01C1/22 ,  F04C29/00 ,  F01C11/00 ,  F01C21/10 ,  F01C21/08 ,  F01C20/24 ,  F01C21/18 ,  F01C20/10 ,  F01C21/06 ,  F01C20/06

CPC分类号： F02B53/02 ,  F01C1/22 ,  F01C11/006 ,  F01C20/06 ,  F01C20/10 ,  F01C20/24 ,  F01C21/06 ,  F01C21/08 ,  F01C21/106 ,  F01C21/18 ,  F01C21/183 ,  F02B53/08 ,  F02B55/14 ,  F02B55/16 ,  F02B2053/005 ,  F04C2/12 ,  F04C29/0092 ,  F04C2240/80 ,  Y10S60/901

摘要： In one aspect, described is a rotary engine having a purge port located rearwardly of the inlet port and forwardly of the exhaust port along a direction of the revolutions of the rotor, the purge port being in communication with the exhaust port through each of the chambers along a respective portion of each revolution, and the inlet and outlet ports being relatively located such that a volumetric compression ratio of the engine is lower than a volumetric expansion ratio of the engine.

摘要翻译： 在一个方面，描述了一种旋转发动机，其具有沿着转子的转动方向位于入口后方并且在排气口前方的排气口，净化口通过每个室与排气口连通 沿着每个旋转的相应部分，并且入口和出口相对定位成使得发动机的体积压缩比低于发动机的体积膨胀比。

公开(公告)号：US11143184B2

公开(公告)日：2021-10-12

申请号：US16337054

申请日：2016-10-28

申请人： Mitsubishi Electric Corporation

发明人： Akihito Takai ,  Tomokazu Matsui ,  Shuhei Koyama ,  Fumihiko Ishizono

IPC分类号： F04C18/08 ,  F04C18/02 ,  B23P11/00 ,  F01C20/10 ,  F04C23/00 ,  F04C29/02

摘要： A scroll compressor includes a frame holding an orbiting scroll configured to slide, a fixed scroll configured to form a compression chamber together with the orbiting scroll, and a shell accommodating the frame and the fixed scroll. The shell includes a first inner wall surface and a first protrusion protruding from the first inner wall surface to position the fixed scroll, and the fixed scroll is fixed to the first inner wall surface.

公开(公告)号：US10697365B2

公开(公告)日：2020-06-30

申请号：US16168045

申请日：2018-10-23

申请人： PRATT & WHITNEY CANADA CORP.

发明人： Jean Thomassin ,  Nigel Davenport ,  Eugene Gekht

IPC分类号： F02B19/10 ,  F02B55/08 ,  F02B53/10 ,  F01C21/06 ,  F01C21/10 ,  F01C21/18 ,  F01C1/22 ,  F02B19/12 ,  F02B53/02 ,  F02B53/12 ,  F01C11/00 ,  F01C20/06 ,  F01C20/10 ,  F01C20/24 ,  F01C21/08 ,  F04C29/00

摘要： A rotary engine having an insert in a peripheral wall of the stator body, the insert being made of a material having a greater heat resistance than that of the peripheral wall, having a subchamber defined therein and having an inner surface, the subchamber communicating with the cavity through at least one opening defined in the inner surface and having a shape forming a reduced cross-section adjacent the opening, a pilot fuel injector having a tip received in the subchamber, an ignition element having a tip received in the subchamber, and a main fuel injector extending through the stator body and having a tip communicating with the cavity at a location spaced apart from the insert. The subchamber has a volume corresponding to from 5% to 25% of a sum of the minimum volume and the volume of the subchamber. A method of injecting heavy fuel into a Wankel engine is also discussed.

公开(公告)号：US10544733B2

公开(公告)日：2020-01-28

申请号：US15672698

申请日：2017-08-09

申请人： PRATT & WHITNEY CANADA CORP.

发明人： Andre Julien

IPC分类号： F02B55/14 ,  F02B55/02 ,  F02B37/00 ,  F01C1/22 ,  F01C21/06 ,  F01C21/08 ,  F01C21/18 ,  F01C11/00 ,  F01C20/06 ,  F01C20/10 ,  F01C20/24 ,  F01C21/10 ,  F04C29/00

摘要： A compound engine system includes a rotary engine with rotating chambers, a compressor section in successive communication with the rotating chambers, and a turbine section in successive communication with the rotating chambers. The turbine section has an output shaft. The output shaft and the engine shaft are drivingly engaged to each other and wherein the turbine section has a power output corresponding to from 20% to 35% of a total power output of the compound engine system. A method of compounding power in a compound engine system is also discussed.

公开(公告)号：US09759126B2

公开(公告)日：2017-09-12

申请号：US14701809

申请日：2015-05-01

申请人： Pratt & Whitney Canada Corp.

发明人： Andre Julien

IPC分类号： F02G3/00 ,  F02B33/44 ,  F02B53/10 ,  F02B53/08 ,  F02B33/00 ,  F01C1/02 ,  F02B55/14 ,  F02B37/00 ,  F02B55/02 ,  F01C1/22 ,  F01C11/00 ,  F01C21/08 ,  F01C21/18 ,  F01C20/06 ,  F01C20/10 ,  F01C20/24 ,  F01C21/06 ,  F01C21/10 ,  F04C29/00

CPC分类号： F02B55/14 ,  F01C1/22 ,  F01C11/006 ,  F01C20/06 ,  F01C20/10 ,  F01C20/24 ,  F01C21/06 ,  F01C21/08 ,  F01C21/106 ,  F01C21/18 ,  F01C21/183 ,  F02B37/00 ,  F02B55/02 ,  F04C29/0092 ,  F04C2240/20 ,  F04C2240/80 ,  Y02T10/144 ,  Y02T10/17 ,  Y10T29/49234

摘要： A compound engine system including a Wankel engine having a recess defined in the peripheral wall of the rotor in each of the three rotating chambers, the recess having a volume of more than 5% of the displacement volume of the chambers. The expansion in the turbine section compensates for the relatively low expansion ratio of the rotary engine.

公开(公告)号：US4659297A

公开(公告)日：1987-04-21

申请号：US805345

申请日：1985-12-04

申请人： Manfred Kahrs

发明人： Manfred Kahrs

IPC分类号： F03C2/30 ,  F01C1/344 ,  F01C20/10 ,  F03C1/30 ,  F03C1/40 ,  F03C2/00 ,  F01C21/14

CPC分类号： F01C20/10

摘要： A vane motor is disclosed in which the volumetric displacement, torque, or speed are continuously adjustable. The vane motor includes a housing having a rotor and cam ring disposed axially around the rotor. The rotor includes vanes in radial slots which divide the motor between the rotor and cam rings. One cam ring is rotatable relative to the other so as to change volumetric displacement.

摘要翻译： 公开了一种叶片马达，其中容积位移，扭矩或速度是连续可调的。 叶片马达包括壳体，该壳体具有绕转子轴向设置的转子和凸轮环。 转子包括在转子和凸轮环之间将马达分开的径向槽中的叶片。 一个凸轮环可相对于另一个旋转，以便改变体积位移。

公开(公告)号：US10578012B2

公开(公告)日：2020-03-03

申请号：US15908987

申请日：2018-03-01

申请人： PRATT & WHITNEY CANADA CORP.

发明人： Jean Thomassin ,  Nigel Davenport ,  Eugene Gekht

IPC分类号： F02B53/10 ,  F02B53/12 ,  F02B55/08 ,  F02B19/10 ,  F01C1/22 ,  F01C21/06 ,  F01C21/10 ,  F01C21/18 ,  F02B19/12 ,  F02B53/02 ,  F02B19/16 ,  F01C11/00 ,  F01C20/06 ,  F01C20/10 ,  F01C20/24 ,  F01C21/08 ,  F04C29/00

摘要： A non-Wankel rotary engine having an insert in the peripheral wall of the outer body, the insert being made of a material having a greater heat resistance than that of the peripheral wall, having a subchamber defined therein and having an inner surface bordering the cavity, the subchamber communicating with the cavity through at least one opening defined in the inner surface and having a shape forming a reduced cross-section adjacent the opening, a pilot fuel injector having a tip received in the subchamber, an ignition element having a tip received in the subchamber, and a main fuel injector extending through the housing and having a tip communicating with the cavity at a location spaced apart from the insert.