公开(公告)号：WO1992003708A1

公开(公告)日：1992-03-05

申请号：PCT/US1991003714

申请日：1991-05-28

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  KYRTSOS, Christos, T. ,  WORRELL, Dean, A.

IPC: G01G19/08

CPC classification number: G01G19/083 ,  E02F9/264

Abstract: A dynamic payload monitor (10) measures and displays payload weight for a loader vehicle (11) operated on a slope by sensing the hydraulic pressure and position of the lift arm cylinders (14). The payload weight is computed by curve fitting the sensed cylinder pressure and position data to a second order polynomial, and then performing interpolation or extrapolation with a pair of pressure versus position reference parabolas obtained during calibration. Payload weight is corrected for errors caused by operating the loader vehicle (11) on a slope. The weight computation algorithms used in the dynamic payload monitor (10) are applicable to a number of work vehicles having at least one work implement linkage and at least one hydraulic cylinder for modifying the linkage geometry.

Abstract translation: 动态有效载荷监测器（10）通过检测液压压力和提升臂油缸（14）的位置来测量并显示用于斜坡上的装载车辆（11）的有效载荷的重量。 有效负载的重量通过拟合二阶多项式，与检测到的缸的位置和压力​​的数据曲线，然后与一对基准位置的抛物线执行内插或外插来计算 取决于校准过程中获得的压力。 有效载荷的重量由于在斜坡上使用装载车（11）而产生的误差得到纠正。 在动态有效载荷监视器（10）中使用的载荷计算算法可以应用于包括至少一个铰接工具连杆机构和至少一个液压缸的多个运行车辆，以修改 所述铰接连杆机构的几何形状。

公开(公告)号：WO1992002718A1

公开(公告)日：1992-02-20

申请号：PCT/US1990005848

申请日：1990-10-15

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  RICHARDSON, Ronald, D.

IPC: F02B19/12

CPC classification number: H01T13/54 ,  F02B1/04 ,  F02B19/12 ,  Y02T10/125

Abstract: A capsule (10), the interior volume of which is an ignition chamber (14), is provided with an engine to improve ignition. The capsule (10) has an orifice (36) so the ignition chamber (14) can communicate with a main combustion chamber (54) of the engine. Often, the capsule (10) is connected to a spark plug (16) and the electrode gap (28) of the spark plug (16) is in the ignition chamber (14). The capsule (10) causes the combustible mixture in the engine to swirl in a controlled manner as it flows from the orifice (36) towards the electrode gap (28). The interior surfaces (12) of the capsule (10) are contoured such that momentum of the swirling combustible mixture is conserved, thus maintaining the velocity of the swirling combustible mixture as it proceeds from the orifice (36) of the capsule (10) to the electrode gap (28) and also providing an increased velocity of the ignited mixture as it exits the capsule (10).

公开(公告)号：WO1992001162A1

公开(公告)日：1992-01-23

申请号：PCT/US1990004893

申请日：1990-08-30

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  BIANCHETTA, Donald, L. ,  ST. GERMAIN, Gene, R.

IPC: F15B11/05

CPC classification number: F15B11/168 ,  E02F9/2225 ,  F15B11/165 ,  F15B2211/20553 ,  F15B2211/30505 ,  F15B2211/30555 ,  F15B2211/3105 ,  F15B2211/3144 ,  F15B2211/31576 ,  F15B2211/324 ,  F15B2211/351 ,  F15B2211/50536 ,  F15B2211/55 ,  F15B2211/6054 ,  F15B2211/6055 ,  F15B2211/6058 ,  F15B2211/7053 ,  F15B2211/7058 ,  F15B2211/71

Abstract: Load sensing hydraulic systems are useful for distributing fluid from a variable displacement pump to the individual work circuits in accordance with the demand of each work circuit. Preventing load pressure from being drained from the motors of the work circuits during some operating functions heretofore required the use of a pair of pressure compensating valves and a pair of shuttle valves at each of the directional control valves. The subject load pressure duplicating circuit (49) includes a single load pressure duplicating valve (52) having an end (62) subjected to the load pressure in a signal network (51) and reduces pump pressure entering the valve to a pressure level at the output thereof equal to the load pressure. This duplicated pressure is then utilized as the control fluid for the pressure compensating valves and a displacement controller (19) of the pump. The system is greatly simplified by the use of only a single duplicating valve for a hydraulic system having a plurality of work circuits.

公开(公告)号：WO1991019080A1

公开(公告)日：1991-12-12

申请号：PCT/US1990004499

申请日：1990-08-13

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  BAILEY, John, M.

IPC: F01N03/02

CPC classification number: F01N3/0233 ,  F01N3/027 ,  F01N3/032 ,  F01N3/30 ,  F01N13/009 ,  F01N2290/00 ,  F02B61/045 ,  Y10S55/30

Abstract: Prior art trap regeneration devices employ one or two relatively large ceramic trap cores, and a regeneration cycle that burns off the soot in a direction that subjects the porous walls to excessive temperature spikes. Moreover, during regeneration it is normal to bypass dirty exhaust gas directly to the atmosphere. In a first embodiment the subject trap regeneration apparatus (10) includes an electrical heating element (82) and a reverse flow device (92) for each of a plurality of relatively smaller trap cores (61) arranged in a housing (12), with each reverse flow device (92) constructed for directing a source of air (180) at a controlled rate toward the normal second end (63) of the trap core (61), heating the air, forcing the heated air through the trap core (61) to the first end (62), and to controllably burn out particulate matter while the remaining trap cores (61) are functioning to filter the exhaust gases in the normal flow direction. In a second embodiment a heater and reverse flow device (226) is movably positioned before a selected one of the smaller trap cores (61') and a reverse flow burnout method employed similar to the first embodiment. Preferably, the reverse flow device (92, 226) includes a choking orifice (112) for controlling the rate of flow of the air to the selected trap core (61).

公开(公告)号：WO1991018702A1

公开(公告)日：1991-12-12

申请号：PCT/US1990004678

申请日：1990-08-20

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  BALDWIN, John, B. ,  DRAPER, David, R.

IPC: B23K07/10

CPC classification number: B23Q5/58 ,  B23K9/287 ,  B23Q1/70

Abstract: Automatic cutting machines carry flame cutting torches in close proximity of a workpiece and can force the torch into contact with an upturned cutaway piece from the workpiece, causing considerable damage to the cutting apparatus. The subject apparatus provides a break away torch holder (32) having a housing (38) surrounding a torch tube (36) which is mounted in an adapter (54). The adaptor (54) has a pilot (76) that matches a pilot seat (66) in the housing (38). The pilot (76) is held in the pilot seat (66) by resilient means (62) that allows the torch tube (36) to move with respect to the housing (38) when the torch (22) strikes an upturned cutaway piece. A switch means (84) is provided to shut the cutting machine (10) down when the torch tube (36) means is in the housing (38). Sealing means (88) is also provided to protect the piloting apparatus and switch means from the debris of the cutting action.

公开(公告)号：WO1991018679A1

公开(公告)日：1991-12-12

申请号：PCT/US1990004498

申请日：1990-08-13

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  SPANGLER, John, M.

IPC: B05B15/12

CPC classification number: C09D7/71

Abstract: A process for recovering paint overspray particles includes bringing the paint particles into contact with a plurality of hydrophobic fumed silica particles and encapsulating the paint particles within a plurality of the silica particles. The recovered encapsulated particles may be mixed with a suitable solvent, milled and blended with preselected additive materials, to form a desirable reconstituted paint material.

公开(公告)号：WO1991009375A1

公开(公告)日：1991-06-27

申请号：PCT/US1989005580

申请日：1989-12-11

Applicant: CATERPILLAR INC. ,  GUDAT, Adam, J. ,  BRADBURY, Walter, J. ,  CHRISTENSEN, Dana, A. ,  CLOW, Richard, G. ,  DEVIER, Lonnie, J. ,  KEMNER, Carl, A. ,  KLEIMENHAGEN, Karl, W. ,  KOEHRSEN, Craig, L. ,  KYRTSOS, Christos, T. ,  LAY, Norman, K. ,  PETERSON, Joel, L. ,  RAO, PRITHVI, N. ,  SCHMIDT, Larry, E. ,  SENNOTT, James, W. ,  SHAFFER, Gary, K. ,  SHI, WenFan ,  SHIN, Dong, Hun ,  SINGH, Sanjiv, J. ,  STAFFORD, Darrell, E. ,  WEINBECK, Louis, J. ,  WEST, Jay, H. ,  WHITTAKER, William, L. ,  WU, BaoXin

Inventor： CATERPILLAR INC.

IPC: G06F15/50

CPC classification number: G01S19/47 ,  B60K31/0008 ,  B60K31/04 ,  B60W2550/10 ,  B60W2550/402 ,  B60Y2200/41 ,  G01C21/165 ,  G01C21/28 ,  G01S5/009 ,  G01S7/4811 ,  G01S7/497 ,  G01S17/023 ,  G01S17/42 ,  G01S17/936 ,  G01S19/11 ,  G01S19/27 ,  G01S19/41 ,  G01S19/46 ,  G01S19/49 ,  G01S19/52 ,  G05D1/024 ,  G05D1/027 ,  G05D1/0272 ,  G05D1/0274 ,  G05D1/0278 ,  G05D1/0282 ,  G05D2201/0202 ,  G08G1/20 ,  G11B5/105

Abstract: A system (400) for positioning and navigating an autonomous vehicle (310) allows the vehicle (310) to travel between locations. Position information (432) is derived from global positioning system satellites (200, 202, 204, and 206) or other sources (624) when the satellites (200, 202, 204, and 206) are not in the view of the vehicle (310). Navigation of the vehicle (310) is obtained using the position information (432), route information (414), obstacle detection and avoidance data (416), and on board vehicle data (908 and 910).

Abstract translation: 用于定位和导航自主车辆（310）的系统（400）允许车辆（310）在位置之间行进。 当卫星（200,202,204和206）不在车辆视野中时，位置信息（432）从全球定位系统卫星（200,202,204和206）或其他源（624）导出（ 310）。 使用位置信息（432），路线信息（414），障碍物检测和回避数据（416）以及车载数据（908和910）获得车辆（310）的导航。

公开(公告)号：WO1991003654A1

公开(公告)日：1991-03-21

申请号：PCT/US1990000170

申请日：1990-01-16

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  REINSMA, Harold, L. ,  BORN, W., Stanley

IPC: F16C11/02

CPC classification number: E02F9/006 ,  F16C11/02 ,  F16C11/045 ,  F16C2350/26 ,  Y10T403/16 ,  Y10T403/32926 ,  Y10T403/52

Abstract: A maintenance-free pivot joint (10) is disclosed for mounting a first member (16) of a loader linkage (12) to a second member (18) thereof. The first member (16) is provided with a clevis (62) having a pair of brackets (64, 66). The pivot joint (10) includes a pivot pin (60) which is pivotally mounted within the second loader linkage member (16). A first end collar (64) is fixedly secured to one end of the pivot pin (60) of the joint (10) and is slidably mounted to a first one of the pair of brackets (64). Conversely, a second end collar (74) is slidably mounted on the other end of the pin (60) and fixedly secured to a second of the brackets (66), but at a preselectable axial position relative to the second member (16). The positioning of the second end collar (74) at the preselected position allows the joint (10) to accommodate lateral misalignment between the first and second members (16, 18) of the linkage (12), while maintaining a closely spaced lateral relationship therebetween to eliminate end play and facilitate good sealability.

Abstract translation: 公开了一种免维护的枢转接头，用于将装载机连杆的第一构件安装到其第二构件。 第一个成员具有一个具有一对支架的U形夹。 枢转接头包括可枢转地安装在第二加载器连杆构件内的枢轴销。 第一端环固定地固定在接头的枢轴销的一端，并可滑动地安装在一对支架中的第一个。 相反地​​，第二端环可滑动地安装在销的另一端并且固定地固定到第二托架，但是相对于第二构件处于预选的轴向位置。 第二端环在预选位置的定位允许接头适应连杆的第一和第二构件之间的横向偏移，同时保持它们之间的紧密间隔的横向关系，以消除端部冲击并促进良好的密封性。

公开(公告)号：WO1991001243A1

公开(公告)日：1991-02-07

申请号：PCT/US1989004066

申请日：1989-09-22

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  LAMMERS, Bryan, G. ,  BLAHA, Kenneth, V.

IPC: B62D55/084

CPC classification number: B62D55/0845

Abstract: A guard assembly (28) for protecting lower portions of an earthmoving vehicle, such as the engine (12), transmission, and drive train, includes a guard plate (44) which is held captive within a first space (38) defined by sidewalls (30, 32) and endwalls (34, 36) of the vehicle frame (26). The guard plate (28) can move within predetermined limits in longitudinal and lateral directions within the first space (38). Prior art lower guard assemblies utilize threaded fasteners to secure the guards directly to the vehicle frame. This produces loosening and breakage of the threaded fasteners when the vehicle frame flexes and twists. The subject guard assembly (28) allows the guard plate (44) to move slightly as the vehicle frame (26) flexes and twists. Since the threaded fasteners (46) holding the guard plate (44) in place do not penetrate the guard plate (44), the threaded fasteners (46) are not overstressed or slipped at the joint interfaces.

公开(公告)号：WO1991000208A1

公开(公告)日：1991-01-10

申请号：PCT/US1989003450

申请日：1989-08-14

Applicant: CATERPILLAR INC.

Inventor： CATERPILLAR INC. ,  COUTANT, Alan, R. ,  FEE, David, M.

IPC: B62D11/18

CPC classification number: B60T13/12 ,  B62D11/08 ,  B62D11/183

Abstract: A control system (34) is provided in a propulsion system (10) to automatically apply the right or left brake (28/30) on the respective drive unit (24/26) with respect to operator input conditions. In this arrangement, if the operator selects a clockwise steer of the vehicle (12), it will steer in the clockwise direction regardless of whether the vehicle is moving in the forward direction (F) or the reverse direction (R). Likewise, the same is true if the operator selects a counterclockwise steer direction (CCW) of the vehicle. This is accomplished by the control and logic systems (34, 64) sensing the travel direction of the vehicle, the steer direction of the vehicle, and automatically applying the proper brake (28/30) based on the input conditions. The control and logic systems (34, 64) set forth herein provides a selective independent control of respective right and left brakes (28, 30) to provide more precise control of the vehicle when operating in tight areas and on slopes.