公开(公告)号：US20140331974A1

公开(公告)日：2014-11-13

申请号：US13889594

申请日：2013-05-08

Applicant: CATERPILLAR INC.

Inventor： Chad Ahmad ,  Steven Tian ,  Scott Shafer ,  Alan Stockner ,  David Hackett

IPC: F02M37/04 ,  F02M37/18 ,  F02M37/12

CPC classification number: F02M37/04 ,  F02M37/0052 ,  F02M37/12 ,  F02M37/18 ,  F02M37/22

Abstract: A combustion engine system and a method of operating the combustion engine system are disclosed. The combustion engine system includes a first fuel pump operatively coupled to a first prime mover and fluidly coupled to a fuel reservoir, a first power source operatively coupled to the first prime mover, the first power source including a first controller, a third fuel pump having an inlet that is fluidly coupled to a discharge of the first fuel pump, a first filter in fluid communication with the first fuel pump, a combustion engine fluidly coupled to a discharge of the third fuel pump and operative to convert fuel from the third fuel pump into shaft power. The first controller is configured to drive the first prime mover at a substantially constant power, independent of a rate of consumption of the fuel by the combustion engine.

Abstract translation: 公开了内燃机系统和操作内燃机系统的方法。 内燃机系统包括操作地联接到第一原动机并且流体地联接到燃料储存器的第一燃料泵，可操作地联接到第一原动机的第一电源，第一电源包括第一控制器，第三燃料泵，其具有 流体耦合到第一燃料泵的排放口的入口，与第一燃料泵流体连通的第一过滤器，流体地联接到第三燃料泵的排放口的燃烧发动机，并且可操作以将燃料从第三燃料泵 进入轴功率。 第一控制器被配置成以基本恒定的功率驱动第一原动机，而与内燃机的燃料消耗速率无关。

公开(公告)号：US20180347560A1

公开(公告)日：2018-12-06

申请号：US15609493

申请日：2017-05-31

Applicant: Caterpillar Inc.

Inventor： Alan Stockner ,  Aaron M. Brown ,  Sridhar Thangaswamy ,  Dana R. Coldren ,  Dennis Gibson

IPC: F04B53/14

Abstract: A pushrod assembly 5 may include a seal carrier 50 for a spaced seal assembly 60 and/or a seal carrier 70 for a stacked seal assembly 74, the spaced seal assembly including first and second annular seals 61, 62 separated by a spacer 63 to isolate between the seals a vented region 28 of the pushrod housing 6, the stacked seal assembly including at least two annular seals 80 stacked on the seal carrier. Each seal assembly can be removed and replaced via an access end 52, 72 of the seal carrier after detaching the access end from an adjacent component of the assembly. The seal carriers may be incorporated into a cryogenic pump 2 wherein at least one annular seal is arranged on each seal carrier to seal the pushrod assembly 5 within its housing 6.

公开(公告)号：US20180003136A1

公开(公告)日：2018-01-04

申请号：US15201381

申请日：2016-07-01

Applicant: Caterpillar Inc.

Inventor： Dana Coldren ,  Glenn Cox ,  David Ginter ,  Alan Stockner ,  Martin Willi

IPC: F02M37/00 ,  F02M59/46 ,  F02M39/02 ,  F02M39/00 ,  F02F1/00 ,  F02M21/02 ,  F02D41/30 ,  F02B19/10 ,  F02B17/00 ,  F02M69/04 ,  F02F3/00

CPC classification number: F02M37/0064 ,  F02B17/005 ,  F02B19/108 ,  F02B19/12 ,  F02D19/061 ,  F02D19/0647 ,  F02D19/0665 ,  F02D19/0681 ,  F02D19/0689 ,  F02D19/0692 ,  F02D19/10 ,  F02D41/0025 ,  F02D41/0027 ,  F02D41/30 ,  F02D41/3041 ,  F02D41/3094 ,  F02F1/00 ,  F02F3/00 ,  F02M21/0218 ,  F02M21/0245 ,  F02M21/0284 ,  F02M21/0287 ,  F02M37/0076 ,  F02M39/005 ,  F02M39/02 ,  F02M57/06 ,  F02M59/464 ,  F02M69/046 ,  Y02T10/125 ,  Y02T10/32

Abstract: A fuel supply system for a reciprocating-piston engine includes a storage tank; a wall of the storage tank defining a first aperture and a second aperture therethrough; a first fuel injector fluidly coupled with the first aperture of the storage tank via a pressure control module and a first fuel injector supply conduit; a pump fluidly coupled with the second aperture of the storage tank; and a second fuel injector fluidly coupled with an outlet port of the pump via a second fuel injector supply conduit. The pressure control module is configured to maintain a pressure in the first fuel injector supply conduit within a pressure range that includes a pressure value that is less than a pressure inside the storage tank. The pump is configured to maintain a pressure inside the second fuel injector supply conduit that is greater than the pressure inside the first fuel injector supply conduit.

公开(公告)号：US20140238350A1

公开(公告)日：2014-08-28

申请号：US13775735

申请日：2013-02-25

Applicant: CATERPILLAR INC.

Inventor： Scott Fiveland ,  David Montgomery ,  Alan Stockner

IPC: F02M69/04

CPC classification number: F02M69/04 ,  F02B25/04 ,  F02B43/02 ,  F02D19/10 ,  F02M21/0251 ,  F02M21/0269 ,  F02M21/0281 ,  F02M57/025 ,  Y02T10/32 ,  Y02T10/36

Abstract: Apparatus and methods for injecting gaseous fuel into a compression ignition engine are disclosed. A gaseous fuel injector includes a pintle valve and an intensifier. The pintle valve includes a pintle body defining a pintle bore therethrough, a first sealing surface disposed on a distal end of the pintle body, and a pintle disposed within the pintle bore. The pintle includes a shaft, a radially flared portion, and a second sealing surface disposed on a proximal face of the radially flared portion, such that the first sealing surface faces the second sealing surface. The intensifier includes an intensifier body defining a fuel pump chamber therein, the fuel pump chamber being fluidly coupled to a gaseous fuel supply and the pintle bore, a plunger having a distal end disposed in the fuel pump chamber, and an intensifier piston disposed on a proximal end of the plunger.

Abstract translation: 公开了将气体燃料注入压燃式发动机的装置和方法。 气体燃料喷射器包括枢轴阀和增压器。 枢栓阀包括枢轴，该枢轴体限定穿过其中的枢轴孔，设置在枢轴体的远端上的第一密封表面和设置在枢轴孔内的枢栓。 枢轴包括轴，径向扩张部分和设置在径向扩张部分的近侧面上的第二密封表面，使得第一密封表面面向第二密封表面。 增压器包括在其中限定燃料泵室的增压器主体，燃料泵室流体地联接到气体燃料供应器和枢轴孔，具有设置在燃料泵室中的远端的柱塞和设置在燃料泵室上的增压器活塞 柱塞的近端。

公开(公告)号：US09856835B1

公开(公告)日：2018-01-02

申请号：US15201381

申请日：2016-07-01

Applicant: Caterpillar Inc.

Inventor： Dana Coldren ,  Glenn Cox ,  David Ginter ,  Alan Stockner ,  Martin Willi

IPC: F02M37/00 ,  F02M21/02 ,  F02D41/30 ,  F02M39/00 ,  F02F1/00 ,  F02F3/00 ,  F02M39/02 ,  F02M59/46 ,  F02M69/04 ,  F02B17/00 ,  F02B19/10

CPC classification number: F02M37/0064 ,  F02B17/005 ,  F02B19/108 ,  F02B19/12 ,  F02D19/061 ,  F02D19/0647 ,  F02D19/0665 ,  F02D19/0681 ,  F02D19/0689 ,  F02D19/0692 ,  F02D19/10 ,  F02D41/0025 ,  F02D41/0027 ,  F02D41/30 ,  F02D41/3041 ,  F02D41/3094 ,  F02F1/00 ,  F02F3/00 ,  F02M21/0218 ,  F02M21/0245 ,  F02M21/0284 ,  F02M21/0287 ,  F02M37/0076 ,  F02M39/005 ,  F02M39/02 ,  F02M57/06 ,  F02M59/464 ,  F02M69/046 ,  Y02T10/125 ,  Y02T10/32

Abstract: A fuel supply system for a reciprocating-piston engine includes a storage tank; a wall of the storage tank defining a first aperture and a second aperture therethrough; a first fuel injector fluidly coupled with the first aperture of the storage tank via a pressure control module and a first fuel injector supply conduit; a pump fluidly coupled with the second aperture of the storage tank; and a second fuel injector fluidly coupled with an outlet port of the pump via a second fuel injector supply conduit. The pressure control module is configured to maintain a pressure in the first fuel injector supply conduit within a pressure range that includes a pressure value that is less than a pressure inside the storage tank. The pump is configured to maintain a pressure inside the second fuel injector supply conduit that is greater than the pressure inside the first fuel injector supply conduit.

公开(公告)号：US09027534B2

公开(公告)日：2015-05-12

申请号：US13661461

申请日：2012-10-26

Applicant: Caterpillar Inc.

Inventor： Hoisan Kim ,  Alan Stockner ,  Mark F. Sommars

IPC: F02M21/02 ,  F02B13/00 ,  F02D19/06 ,  F02D41/00

CPC classification number: F02D41/0025 ,  F02D19/0605 ,  F02D19/0623 ,  F02D19/0647 ,  F02D19/0694 ,  F02D41/0027 ,  F02M21/0221 ,  F02M21/0239 ,  F02M21/0278 ,  Y02T10/32 ,  Y02T10/36

Abstract: A compression ignition dual fuel engine supplies natural gas fuel and liquid diesel fuel to each engine cylinder from a common fuel injector. Each fuel injector is fluidly connected to both a liquid fuel common rail and a gaseous fuel common rail. The engine includes a surplus gas system for capturing surplus gas, such as evaporated gas from the gaseous fuel supply and pressure control system, or left over pressurized natural gas produced by engine shut down. Rather than being vented to atmosphere, the surplus gas can be burned in the engine when operating conditions present burn opportunities.

Abstract translation: 压缩点火双燃料发动机从共同的燃料喷射器向每个发动机气缸供应天然气燃料和液体柴油燃料。 每个燃料喷射器流体地连接到液体燃料共轨和气体燃料共轨两者。 发动机包括用于捕获多余气体的剩余气体系统，例如来自气体燃料供应和压力控制系统的蒸发气体，或者由发动机关闭产生的加压天然气。 而不是被排放到大气中，当操作条件存在燃烧机会时，剩余气体可以在发动机中燃烧。

公开(公告)号：US20140116375A1

公开(公告)日：2014-05-01

申请号：US13661461

申请日：2012-10-26

Applicant: CATERPILLAR INC.

Inventor： Hoisan Kim ,  Alan Stockner ,  Mark F. Sommars

IPC: F02M21/02 ,  F02M33/00 ,  F02M55/00 ,  F02M69/46

CPC classification number: F02D41/0025 ,  F02D19/0605 ,  F02D19/0623 ,  F02D19/0647 ,  F02D19/0694 ,  F02D41/0027 ,  F02M21/0221 ,  F02M21/0239 ,  F02M21/0278 ,  Y02T10/32 ,  Y02T10/36

Abstract: A compression ignition dual fuel engine supplies natural gas fuel and liquid diesel fuel to each engine cylinder from a common fuel injector. Each fuel injector is fluidly connected to both a liquid fuel common rail and a gaseous fuel common rail. The engine includes a surplus gas system for capturing surplus gas, such as evaporated gas from the gaseous fuel supply and pressure control system, or left over pressurized natural gas produced by engine shut down. Rather than being vented to atmosphere, the surplus gas can be burned in the engine when operating conditions present burn opportunities.

Abstract translation: 压缩点火双燃料发动机从共同的燃料喷射器向每个发动机气缸供应天然气燃料和液体柴油燃料。 每个燃料喷射器流体地连接到液体燃料共轨和气体燃料共轨两者。 发动机包括用于捕获多余气体的剩余气体系统，例如来自气体燃料供应和压力控制系统的蒸发气体，或者由发动机关闭产生的加压天然气。 而不是被排放到大气中，当操作条件存在燃烧机会时，剩余气体可以在发动机中燃烧。

公开(公告)号：US09133808B2

公开(公告)日：2015-09-15

申请号：US13775735

申请日：2013-02-25

Applicant: Caterpillar Inc.

Inventor： Scott Fiveland ,  David Montgomery ,  Alan Stockner

IPC: F02M69/04

CPC classification number: F02M69/04 ,  F02B25/04 ,  F02B43/02 ,  F02D19/10 ,  F02M21/0251 ,  F02M21/0269 ,  F02M21/0281 ,  F02M57/025 ,  Y02T10/32 ,  Y02T10/36

Abstract: Apparatus and methods for injecting gaseous fuel into a compression ignition engine are disclosed. A gaseous fuel injector includes a pintle valve and an intensifier. The pintle valve includes a pintle body defining a pintle bore therethrough, a first sealing surface disposed on a distal end of the pintle body, and a pintle disposed within the pintle bore. The pintle includes a shaft, a radially flared portion, and a second sealing surface disposed on a proximal face of the radially flared portion, such that the first sealing surface faces the second sealing surface. The intensifier includes an intensifier body defining a fuel pump chamber therein, the fuel pump chamber being fluidly coupled to a gaseous fuel supply and the pintle bore, a plunger having a distal end disposed in the fuel pump chamber, and an intensifier piston disposed on a proximal end of the plunger.

Abstract translation: 公开了将气体燃料注入压燃式发动机的装置和方法。 气体燃料喷射器包括枢轴阀和增压器。 枢栓阀包括枢轴，该枢轴体限定穿过其中的枢轴孔，设置在枢轴体的远端上的第一密封表面和设置在枢轴孔内的枢栓。 枢轴包括轴，径向扩张部分和设置在径向扩张部分的近侧面上的第二密封表面，使得第一密封表面面向第二密封表面。 增压器包括在其中限定燃料泵室的增压器主体，燃料泵室流体地联接到气体燃料供应器和枢轴孔，具有设置在燃料泵室中的远端的柱塞和设置在燃料泵室上的增压器活塞 柱塞的近端。

公开(公告)号：US20140331962A1

公开(公告)日：2014-11-13

申请号：US13889271

申请日：2013-05-07

Applicant: CATERPILLAR, INC.

Inventor： Alan Stockner

IPC: F02D41/00

CPC classification number: F02D41/0025 ,  F02D19/0623 ,  F02D19/0694 ,  F02D19/105 ,  F02D41/0027 ,  F02D41/22 ,  F02D2041/224 ,  Y02T10/36 ,  Y02T10/40

Abstract: Operating a dual gaseous and liquid fuel engine includes injecting gaseous and liquid fuels directly into an engine cylinder, and compression igniting the liquid fuel to ignite the gaseous fuel therein. Data indicative of energy content of injected gaseous fuel and also energy content of gaseous fuel conveyed to compensate for depletion of gaseous fuel via injection is received, and a signal outputted indicative of an energy imbalance between the injected and conveyed gaseous fuel responsive to the data. Diagnostics are run in response to the signal.

Abstract translation: 操作双气体和液体燃料发动机包括将气体和液体燃料直接喷射到发动机气缸中，并且压缩点燃液体燃料以点燃其中的气态燃料。 接收指示喷射的气体燃料的能量含量的数据以及为了补偿通过喷射的气体燃料的耗尽而输送的气体燃料的能量含量，以及响应于数据而输出的表示喷射和输送的气体燃料之间的能量不平衡的信号。 响应信号运行诊断。