公开(公告)号：WO1996017739A1

公开(公告)日：1996-06-13

申请号：PCT/US1995015056

申请日：1995-11-17

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  BIRCHENOUGH, Charles, W. ,  LIESENER, Kenneth, P. ,  TWEED, Lorne, W.

IPC: B60K41/06

CPC classification number: B60W10/06 ,  B60W10/04 ,  B60W10/11 ,  B60W30/18 ,  B60W30/1819 ,  F16H59/36 ,  F16H59/40 ,  F16H59/42 ,  F16H59/78 ,  F16H61/08 ,  F16H63/502 ,  F16H2059/006 ,  F16H2059/088 ,  F16H2059/6807 ,  F16H2061/0087 ,  F16H2061/0485 ,  F16H2061/0488 ,  Y10T477/675 ,  Y10T477/677

Abstract: A control system (30) is provided for vehicle regulating engine speed during shifts so as to reduce driveline torque and shift shock. The control system (30) includes separate microprocessor based engine and transmission controllers (32, 34) which communicate via a data link (36). When a shift is initiated, the transmission controller (34) delays a first period of time CTSDELAY sufficient for the transmission (14) to disengage the old gear ratio and then produces a CTSSPEED signal. The transmission controller (34) continues to produce the CTSSPEED signal for a second period of time CTSDUR which corresponds to the time required for the transmission (14) to engage the new gear ratio. The control system (30) preferably includes means for sensing a lockup time period corresponding to the time required for the transmission (14) to lock up in the new gear ratio. The control system (30) is capable of modifying the second time period CTSDUR as a function of the sensed lockup time period.

Abstract translation: 提供一种控制系统（30），用于在换档期间车辆调节发动机转速，以减少传动系扭矩和换档冲击。 控制系统（30）包括经由数据链路（36）进行通信的分离的基于微处理器的引擎和传输控制器（32,34）。 当发生换档时，变速器控制器（34）延迟足够用于变速器（14）的第一时间段CTSDELAY以使旧齿轮比脱离，然后产生CTSSPEED信号。 变速器控制器（34）继续产生CTSSPEED信号，该第二时间段CTSDUR对应于变速器（14）接合新传动比所需的时间。 控制系统（30）优选地包括用于感测与传动（14）以新齿轮比锁定所需的时间相对应的锁定时间段的装置。 控制系统（30）能够根据感测到的锁定时间段来修改第二时间段CTSDUR。

公开(公告)号：WO1996012973A1

公开(公告)日：1996-05-02

申请号：PCT/US1995012828

申请日：1995-10-13

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  ALLEN, William, E.

IPC: G01S05/14

CPC classification number: G01S19/49 ,  G05D1/0257 ,  G05D1/027 ,  G05D1/0272 ,  G05D1/0278 ,  G05D2201/021

Abstract: A computer-based system (100) for precisely determining an operating point for a land-based vehicle includes a receiver (216) mounted on the vehicle for receiving navigation signals from a satellite-based positioning system (218), an odometer (230) for measuring distance travelled by the vehicle, a doppler radar (232) for measuring ground speed of the vehicle, a solid-state rate sensing device (234) for measuring the heading rate of the vehicle, and a resolver (236) for measuring the steering angle of the vehicle. An extended Kalman filter (208) combines the measurements of these sensors (216, 230, 232, 234, 236) to produce a highly accurate estimate of the vehicle's operating point. The operating point includes an estimated north position, an estimated east position, an estimated heading, an estimated heading rate, and an estimated speed.

Abstract translation: 用于精确地确定陆上车辆的操作点的基于计算机的系统（100）包括：安装在车辆上的接收器（216），用于从基于卫星的定位系统（218）接收导航信号，里程表（230） 用于测量车辆行进的距离，用于测量车辆的地面速度的多普勒雷达（232），用于测量车辆的航向速率的固态速率感测装置（234），以及用于测量车辆的前进速度的解算器（236） 车辆的转向角度。 扩展卡尔曼滤波器（208）组合了这些传感器（216,230,232,234,236）的测量值，以产生车辆工作点的高精度估计。 工作点包括估计的北部位置，估计的东部位置，估计的航向，估计航向率和估计的速度。

公开(公告)号：WO1996012127A1

公开(公告)日：1996-04-25

申请号：PCT/US1995012816

申请日：1995-10-05

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  MITCHELL, Randall, M. ,  KAJJAM, Ashok ,  STAHL, Alan, L.

IPC: F16H61/12

CPC classification number: F16H61/12 ,  F16H59/40 ,  F16H59/42 ,  F16H59/46 ,  F16H59/72 ,  F16H61/0246 ,  F16H61/14 ,  F16H61/686 ,  F16H2059/385 ,  F16H2059/6807 ,  F16H2061/0209 ,  F16H2061/1208 ,  F16H2061/1268 ,  F16H2061/1276 ,  F16H2061/1284 ,  Y10S477/906 ,  Y10T74/1926

Abstract: A diagnostic system is provided for detecting a fault condition in a transmission (115) having a plurality of rotating components (125, 130, 135), a plurality of clutches (C1-C6), and a transmission control (147). The diagnostic system includes speed sensors (150, 155, 160, 165) producing speed and direction signals representative of the rotational velocity of the rotating components, a processor (147) for calculating the relative rotational speed between two or more clutches and for indicating a fault condition in response to the relative rotational speed and a period of time.

Abstract translation: 提供一种用于检测具有多个旋转部件（125,130,135），多个离合器（C1-C6）和变速器控制装置（147）的变速器（115）中的故障状况的诊断系统。 所述诊断系统包括产生表示所述旋转部件的旋转速度的速度和方向信号的速度传感器（150,155,160,165），用于计算两个或更多个离合器之间的相对转速的处理器（147） 响应于相对转速和一段时间的故障条件。

公开(公告)号：WO1996009474A1

公开(公告)日：1996-03-28

申请号：PCT/US1995011901

申请日：1995-09-19

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  LOHMANN, Craig, W.

IPC: F02M61/20

CPC classification number: F02M61/20 ,  F02M61/16

Abstract: A pair of C-shaped springs (10) adapted for biasing a needle check valve (40) of a fuel injector toward a closed position. The springs (10) are capable of providing a valve opening pressure several times larger than that provided by conventional helical springs, while occupying roughly the same amount of space as prior art biasing springs. Preferably, the individual C-shaped biasing springs (10) include semi-circular indentations (17, 15) in their upper and lower end edges (16, 14) so that the biasing springs (10) abut against each other and substantially surround the shaft of the needle stop (47) for the check valve (40).

Abstract translation: 一对C形弹簧（10），适于将燃料喷射器的止回阀（40）偏置到关闭位置。 弹簧（10）能够提供比常规螺旋弹簧提供的开启压力几倍的阀开启压力，同时占据与现有技术的偏置弹簧大致相同的空间。 优选地，各个C形偏置弹簧（10）在它们的上端边缘和下端边缘（16,14）中包括半圆形凹口（17,15），使得偏压弹簧（10）彼此抵靠并且基本上围绕 用于止回阀（40）的针止动件（47）的轴。

公开(公告)号：WO1996004469A1

公开(公告)日：1996-02-15

申请号：PCT/US1995008573

申请日：1995-07-10

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  FEUCHT, Dennis, D. ,  FUNKE, Steven, J. ,  MEISTER, Steven, F.

IPC: F01L09/02

CPC classification number: F01L1/16 ,  F01L9/02

Abstract: The design and construction of current electronically-controlled hydraulically-actuated engine valve systems are currently still being tested for dependability. The electronics control various activities including actuation velocity and, therefore, can include complicated components. The present invention overcomes this and other problems by providing a valve actuation system (10) including an electronically-controlled hydraulically-actuated plunger (54) for actuating an engine valve (16). Hydraulic means (230, 240) are utilized for reducing the plunger velocity thereby controlling the valve lift and the valve seating as the valve (16) approaches the open and closed positions. The hydraulic means (230, 240) reduces the need for a complicated electronic control unit, therefore, improving the feasibility and dependability of the present invention.

Abstract translation: 目前电子控制的液压致动发动机气门系统的设计和构造目前仍在测试中的可靠性。 电子控制各种活动，包括致动速度，因此可以包括复杂的部件。 本发明通过提供一种包括用于致动发动机气门（16）的电子控制液压致动柱塞（54）的气门致动系统（10）来克服这个和其它问题。 液压装置（230,240）用于减小柱塞速度，从而当阀（16）接近打开和关闭位置时控制气门升程和阀座。 液压装置（230,240）减少了对复杂电子控制单元的需要，从而提高了本发明的可行性和可靠性。

公开(公告)号：WO1996000943A1

公开(公告)日：1996-01-11

申请号：PCT/US1995008002

申请日：1995-06-22

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  SCHOLL, Rolland, D. ,  SCHRICKER, David, R. ,  SHETTY, Satish, M. ,  YOUNG, David, G.

IPC: G06F15/00

CPC classification number: F02D41/22 ,  F01N11/002 ,  F02B3/06 ,  F02B77/08 ,  F02B2075/1824 ,  G01M15/048 ,  Y02T10/40 ,  Y02T10/47

Abstract: A method and apparatus are disclosed for monitoring similar machine components loaded in parallel to produce diagnostic trend information used to predict component degradation or failure. Split exhaust manifolds (18, 20) are each provided with a sensor (26) to produce signals indicating exhaust temperature. A diagnostic monitor (30), which includes a trending module (32), receives the temperatures and periodically determines a difference between the temperatures, and averages the differential values over a predefined trend period to generate trend values. A plot of the trend based on the trend values is generated and monitored for changes which indicate the possible degradation of one of the components. The data monitoring and trending can be used with both stationary and mobile machines and may be performed either onboard or remotely from the machine (36, 37).

Abstract translation: 公开了一种用于监视并联加载的类似机器部件以产生用于预测部件降级或故障的诊断趋势信息的方法和装置。 分流排气歧管（18,20）各自设置有传感器（26），以产生指示排气温度的信号。 包括趋势模块（32）的诊断监视器（30）接收温度并周期性地确定温度之间的差异，并且在预定趋势周期内平均差分值以产生趋势值。 生成基于趋势值的趋势图，并监视指示其中一个组件可能退化的变化。 数据监视和趋势可以与固定和移动机器一起使用，并且可以在机器上或远程地从机器（36,37）执行。

公开(公告)号：WO1995028524A1

公开(公告)日：1995-10-26

申请号：PCT/US1995004432

申请日：1995-04-12

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  GUDAT, Adam, J. ,  HENDERSON, Daniel, E.

IPC: E01C19/00

CPC classification number: G05D1/0278 ,  E01C19/004 ,  E02F3/842 ,  G01S19/04 ,  G01S19/14 ,  G01S19/44 ,  G05D1/0274 ,  G05D1/0297 ,  G05D2201/0202

Abstract: An apparatus (40, 50, 60) and method (100, 101, 102, 104, 106, 108, 108a, 109, 110) for directing the operations of multiple geography-altering machines (14) on a common work site (12) relative to one another. Position information from several machines (14) is shared to generate a common, dynamically-updated site database (66) showing the machines' relative positions and site progress in real time. The common site database (66) is used to direct the operation of one machine (14) with respect to another machine or machines (14), for example by generating an operator display (22) of the site (12) showing relative machine position and total machine work on the site (12). The operator can accordingly adjust the machine's operation to avoid interference with other machines (14) or unnecessary overlap of work on the site (12). The information can also be used to coordinate the operations of several machines (14) in complementary fashion. Machine position information can be broadcast from the machines (14) to the site database (66) to create a common, dynamically-updated database (66) which is then shared with one or more of the machines (14). In a particular embodiment each machine (14) is provided with its own dynamically-updated database (66) and operator display (22), and machine position information is shared on a continuous, real-time basis between the machines (14) so that they effectively share a common site database (66).

Abstract translation: 一种用于将多个改变地理位置的机器（14）的操作引导到公共工作现场（12）上的装置（40,50,60）和方法（100,101,102,104,106,108,108a，109,110） ）相对于彼此。 共享多个机器（14）的位置信息，以生成一个通用的，动态更新的站点数据库（66），实时显示机器的相对位置和站点进度。 公用站点数据库（66）用于指导一个机器（14）相对于另一个机器（14）的操作，例如通过生成显示相对机器位置的站点（12）的操作者显示器（22） 和整机工作（12）。 操作员可以相应地调整机器的操作，以避免干扰其他机器（14）或现场工作不必要的重叠（12）。 该信息还可以用于以互补的方式协调几台机器（14）的操作。 机器位置信息可以从机器（14）广播到站点数据库（66），以创建共同的，动态更新的数据库（66），该数据库然后与一个或多个机器（14）共享。 在特定实施例中，每个机器（14）具有其自己的动态更新的数据库（66）和操作者显示（22），并且机器位置信息在机器（14）之间以连续的实时基础共享，使得 他们有效地共享一个公共站点数据库（66）。

公开(公告)号：WO1995025890A1

公开(公告)日：1995-09-28

申请号：PCT/US1995003298

申请日：1995-03-15

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  ENGEL, William, K.

IPC: F04B01/12

CPC classification number: F04B1/124 ,  F05C2253/12 ,  Y10T29/49261 ,  Y10T29/49263 ,  Y10T403/32778

Abstract: An apparatus and method are provided for producing a piston assembly for use in a fluid translating device such as a hydraulic pump or motor. In the subject arrangement, a piston (20) is provided having a cavity (28) at one end thereof and a slipper (22) having a spherical head portion (54) which is precisely positioned within the cavity (28) to provide a space (S) therearound and subsequent thereto a plastic material (24) is formed in the space to maintain the spherical head portion (54) in the cavity (28). This arrangement eliminates the sliding friction that exists in other piston assemblies and furthermore reduces the precise sizing of the cavity (28) relative to the spherical head portion (54).

Abstract translation: 提供了一种用于生产用于诸如液压泵或马达的流体平移装置中的活塞组件的装置和方法。 在主题布置中，在其一端设置有一个空腔（28）的活塞（20）和一个具有球形头部（54）的拖鞋（22），滑动件（22）精确地定位在空腔（28）内，以提供空间 （S），随后在该空间中形成塑料材料（24），以将球形头部分（54）保持在空腔（28）中。 这种布置消除了存在于其它活塞组件中的滑动摩擦，并且进一步降低了空腔（28）相对于球形头部分（54）的精确尺寸。

公开(公告)号：WO1995004917A1

公开(公告)日：1995-02-16

申请号：PCT/US1994007442

申请日：1994-07-06

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  GUDAT, Adam, J.

IPC: G01C15/00

CPC classification number: E02F3/847 ,  G01C15/00

Abstract: An apparatus (302) for determining the terrestrial position of a dynamic reference point located on the ground surface is provided. The apparatus determines the terrestrial position of a terrestrial reference point located on the apparatus (302) and the location of the dynamic reference point relative to a local reference point located on the apparatus (302). The terrestrial position of the dynamic reference point is determined as a function of the terrestrial position of the terrestrial reference point and the relative location of the dynamic reference point. Knowledge of the terrestrial position of the dynamic reference point may be indicative of a tool position or the topography of the work site.

Abstract translation: 提供了一种用于确定位于地面上的动态参考点的地面位置的装置（302）。 设备确定位于设备（302）上的地面参考点的地面位置和动态参考点相对于位于设备（302）上的本地参考点的位置。 动态参考点的地面位置被确定为地面参考点的地面位置和动态参考点的相对位置的函数。 了解动态参考点的地面位置可以指示工具位置或工作地点的地形。

公开(公告)号：WO1995002135A1

公开(公告)日：1995-01-19

申请号：PCT/US1994006707

申请日：1994-06-15

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  WEAR, Jerry, A.

IPC: F16H61/12

CPC classification number: F16H61/12 ,  F16H61/0251 ,  F16H2061/026 ,  F16H2061/1236 ,  F16H2061/1244 ,  F16H2061/1268

Abstract: In many transmission control systems, electro-hydraulic valves have been used to condition the various clutches in the transmission. In various applications, it is desirable to have a system where clutches can be engaged and remain engaged in the event of an electrical malfunction. In the subject invention, an electro-hydraulic transmission control (10) is provided having a plurality of electro-hydraulic valve mechanisms (50) to control a plurality of hydraulically controlled clutches (20). Each of the electro-hydraulic valve mechanisms (50) being movable between first and second operative positions and respectively latched in each operative position by a latching mechanism (54). An electrical signal is needed to overcome the bias of the latching mechanism (54) in order to move each of the electro-hydraulic valve mechanisms (50) between its operative positions. Once the respective ones of the plurality of electro-hydraulic valve mechanisms (50) are moved from one operative position to the other, the electrical signal is discontinued and the respective ones of the plurality of electro-hydraulic valve mechanisms (50) remain in their established positions. This arrangement provides a transmission control that effectively controls the operation of the transmission (14) while also providing the ability for the transmission (14) to remain in a selected gear in the event of an electrical malfunction.

Abstract translation: 在许多变速器控制系统中，已经使用电动液压阀来调节变速箱中的各种离合器。 在各种应用中，期望具有在电气故障的情况下离合器可以接合并保持啮合的系统。 在本发明中，提供一种电液传动控制装置（10），其具有多个电动液压阀机构（50），以控制多个液压控制离合器（20）。 每个电动液压阀机构（50）可在第一和第二操作位置之间移动，并且通过锁定机构（54）分别锁定在每个操作位置。 需要电信号来克服闩锁机构（54）的偏压，以便使电动液压阀机构（50）中的每一个在其操作位置之间移动。 一旦多个电动液压阀机构（50）中的相应的电动液压阀机构（50）从一个操作位置移动到另一操作位置，则电信号被停止，并且多个电动液压阀机构（50）中的相应的电液阀机构 成立职位。 这种布置提供有效地控制变速器（14）的操作的变速器控制，同时在电气故障的情况下还提供变速器（14）保持在选定档位的能力。