公开(公告)号：WO1984004785A1

公开(公告)日：1984-12-06

申请号：PCT/US1983001065

申请日：1983-07-11

Applicant: CATERPILLAR TRACTOR CO.

Inventor： CATERPILLAR TRACTOR CO. ,  DEZELAN, Joseph, E.

IPC: F15B11/05

CPC classification number: F15B13/0417 ,  Y10T137/87169 ,  Y10T137/87185

Abstract: A valve assembly (16) for use in a fluid system (10) includes a flow control valve (82) which controls fluid flow between a fluid inlet port (34) and a fluid supply passage (36) in response to the load requirements. A main control spool (96) is selectively movable between a neutral position and first and second actuated positions. A load sensing passage (78) communicates a load signal from an actuator (26) to the spring chamber (50) of the flow control valve (82). A drain passage (80) communicates the load sensing passage (78) with the reservoir (14) when the main control spool (96) is in the neutral position. A blocking mechanism (138) blocks the load sensing passage (78) when the main control spool (96) is in the neutral position and opens one of the inlet port (34) and the supply passage (36) to the spring chamber (50) so that the flow control spool (82) is held in an open position. Upon moving the main control spool (96) to one of its actuated positions, the drain passage is blocked from the reservoir (14) and a load pressure signal in the load sensing passage (78) moves the blocking mechanism from the blocking position to an open position and simultaneously closes the communication between the spring chamber (50) and one of the inlet port (34) and supply passage (36). This arrangement provides a system in which the actuator (26) responds more rapidly upon the main valve spool being moved to an actuated position since communication between the inlet port and supply passage is initially unrestricted.

公开(公告)号：WO1984003676A1

公开(公告)日：1984-09-27

申请号：PCT/US1984000058

申请日：1984-01-16

Applicant: CATERPILLAR TRACTOR CO.

Inventor： CATERPILLAR TRACTOR CO. ,  GARMAN, James, A. ,  SWIFT, Stephen, D.

IPC: B62D55/20

CPC classification number: B62D55/205

Abstract: Apparatus (10) for retaining a joint (12) of an endless track (14) for a crawler-type vehicle which includes a metal preform (64, 66) which is pressed into a retainer cavity (60, 62) surrounding and located at each of the ends of the joint (12) of the track (14). The cavities (60, 62) are cooperatively formed by a pin groove (70) in the opposite end portions (40, 42) of the pin (20) and a link socket (72) in the respective link outboard end portions (26, 27) and which are disposed in registry with the pin grooves (70). Once intruded into the cavities (60, 62), the formed-in-place retainers (64, 66) thereby provided virtually eliminate any end play in the joint (12) during operation of the crawler vehicle.

Abstract translation: 一种用于保持用于履带式车辆的环形轨道（14）的接头（12）的装置（10），所述履带式车辆包括金属预成型件（64,66），所述金属预制件被压入围绕并位于 轨道（14）的接头（12）的每个端部。 空腔（60,62）由销（20）的相对端部（40,42）中的销槽（70）和相应连杆外侧端部（26,26）中的连杆座（72）协同地形成， 27），并且与销槽（70）对准地配置。 一旦侵入到空腔（60,62）中，因此，就地形成的保持器（64,66）实际上消除了在履带车辆的操作过程中接头（12）中的任何端部游隙。

公开(公告)号：WO1984003675A1

公开(公告)日：1984-09-27

申请号：PCT/US1983000701

申请日：1983-05-09

Applicant: CATERPILLAR TRACTOR CO.

Inventor： CATERPILLAR TRACTOR CO. ,  OESTMANN, Eldon, D.

IPC: B62D11/14

CPC classification number: B62D11/14 ,  Y10T74/2186

Abstract: A vehicle steering differential (10) includes a case (12) defining a chamber (76), an opening (78) on a transverse axis (36) communicating therewith, and a mounting surface (80) about the opening (78). An input pinion gear (14) and a bevel gear (18) driven by the pinion gear (14) are rotatably connected to within case (12) in right angle intermeshing relationship by a body (20) releasably secured to the mounting surface (80). A radial opening (82) is defined in the case (12), and a steering motor (16) has a shaft (88) that extends through the radial opening (82) into driving engagement with the pinion gear (14), with the body (20) supporting the steering motor (16). The body (20) includes an arm (110) and a collar (122) releasably secured to the arm (110) for supporting the steering motor (16).

公开(公告)号：WO1984002885A1

公开(公告)日：1984-08-02

申请号：PCT/US1983000128

申请日：1983-01-26

Applicant: CATERPILLAR TRACTOR CO. ,  GROEZINGER, John, J. ,  ANDERS, Gene, A.

Inventor： CATERPILLAR TRACTOR CO.

IPC: B60C19/06

CPC classification number: B60C23/19 ,  Y10S152/05

Abstract: The cooling of a pneumatic tire (12) is provided for by a heat transfer element (21) contained within an inflation chamber (13) and drivingly coupled to the rim (14). The heat transfer element (21) extends away from the rim (14) into a volume of liquid coolant (19) also contained within the inflation chamber (13). Rotation of the rim (14) drives the heat transfer element (21) which transfers portions of the coolant (19) into contact with the rim (14) which conducts the heat away from the coolant fluid (19). A cooling coil (26) mounted about the rim (14) conducts the heat from the rim by the transfer of an additional coolant supply through the cooling coils (26). The efficient elimination of heat prolongs the life of the tire (12) and may increase productivity of earth moving vehicles or the like which ride upon pneumatic tires (12) as operation of the vehicle need not be restricted in order to reduce heat damage to the tires (12).

Abstract translation: 充气轮胎（12）的冷却由容纳在充气室（13）内的传热元件（21）提供，并且驱动地连接到轮辋（14）。 传热元件（21）远离边缘（14）延伸到也容纳在充气室（13）内的一定体积的液体冷却剂（19）中。 轮辋（14）的旋转驱动传热元件（21），传热元件（21）将冷却剂（19）的部分部分与将热量从冷却剂流体（19）传导出的轮辋（14）接触。 围绕边缘（14）安装的冷却盘管（26）通过冷却盘管（26）的附加冷却剂供给的传送来传导来自轮辋的热量。 有效地消除热量延长了轮胎的寿命（12），并且可以提高乘坐在充气轮胎（12）上的地面运动车辆等的生产率，因为车辆的操作不需要限制，以便减少对 轮胎（12）。

公开(公告)号：WO1984001397A1

公开(公告)日：1984-04-12

申请号：PCT/US1982001345

申请日：1982-09-27

Applicant: CATERPILLAR TRACTOR CO. ,  ROUSSIN, Michael, A.

Inventor： CATERPILLAR TRACTOR CO.

IPC: E01B35/00

CPC classification number: E02F5/323

Abstract: An improved ripper assembly (12) is joined to and drawn by a draft device (10) and includes a mounting structure (14), a ripper element (16), and an impactor apparatus (18). The mounting structure (14) includes an upper flange (20) and a lower flange (22) joined together by a pair of side plates (23). Aligned openings (24, 26) in the flanges (20, 22) permit attachment thereof to the draft device (10) and allows pivoting about a vertical pivot axis (28) when pins (30, 32) are installed. The ripper element (16) is pivotable about a horizontal pivot axis (38) and is secured to the mounting structure (14) by a pivot pin (40). The impact apparatus (18) imparts intermittent blows to the ripper element (16) and is joined to the mounting structure (14) by a single upper support pin (44) and two, aligned lower support pins (46). The upper and lower support pins (44, 46) are disposed adjacent the upper and lower flanges (20, 22), respectively, while the pivot axis (38) extends through the side plates (23) intermediate the upper and lower flanges (20, 22). The relative disposition of the component interconnections of the impact ripper assembly (12) and the independent nature of the connections permit separate removal of the ripper element (16) and/or the impactor apparatus (18).

公开(公告)号：WO1984000913A1

公开(公告)日：1984-03-15

申请号：PCT/US1982001235

申请日：1982-09-07

Applicant: CATERPILLAR TRACTOR CO. ,  RICHARDSON, Richard, W.

Inventor： CATERPILLAR TRACTOR CO.

IPC: B23K09/12

CPC classification number: B23K9/1274 ,  B23Q35/128

Abstract: The performance of prior automated welding systems has been limited by their inability to independently track and weld and by their inability to accurately determine the groove profile. The adaptive welding system disclosed herein includes a weld torch (20) adapted to be controllably positioned in at least two dimensions, and means (28, 38) for tracking a workpiece seam (12) to be welded. The tracking means (28, 38) is pivotably connected to the weld torch (20). Means (19, 40) for pivoting the tracking means (28, 38) relative to the weld torch (20) is included to permit both the tracking means (28, 38) and the weld torch (20) to be independently maintained over the seam (12). The tracking means (28, 38) monitors the seam (12) by optical triangulation of a rotating laser beam (60) projected against the workpieces. This rotating laser beam (60) crosses the seam twice during each cycle of the beam (60).

Abstract translation: 现有自动化焊接系统的性能受到无法独立跟踪和焊接以及无法准确确定凹槽轮廓的限制。 本文公开的自适应焊接系统包括适于可控地定位在至少两个维度上的焊枪（20），以及用于跟踪待焊接的工件接缝（12）的装置（28,38）。 跟踪装置（28,38）可枢转地连接到焊枪（20）。 包括用于相对于焊炬（20）枢转跟踪装置（28,38）的装置（19,40），以允许跟踪装置（28,38）和焊炬（20）两者独立地保持在 缝（12）。 跟踪装置（28,38）通过对工件突出的旋转激光束（60）的光学三角测量来监测接缝（12）。 该旋转激光束（60）在光束（60）的每个周期期间穿过接缝两次。

公开(公告)号：WO1984000794A1

公开(公告)日：1984-03-01

申请号：PCT/US1983001008

申请日：1983-07-01

Applicant: CATERPILLAR TRACTOR CO.

Inventor： CATERPILLAR TRACTOR CO. ,  BLAKE, William, Wayne ,  COUTANT, Alan, Robert

IPC: F16D25/14

CPC classification number: F16D48/04 ,  F16D25/14 ,  F16D48/02 ,  F16D2048/0209 ,  F16D2048/0221 ,  F16H61/065

Abstract: A pressure modulating and reducing valve (10) communicates pressurized hydraulic fluid from a pump (11) to a hydraulically actuated clutch of a transmission at a modulated rate of pressure rise and at a reduced pressure. In order to provide a compact valve, the valve (10) has a pressure reducing valve spool (61) slidably nested within a sleeve member (46) of a load piston to provide a valving action therebetween for controlling fluid flow between an inlet port (24), a load port (26) and a drain port (27) in a body (19). Movement of the sleeve member (46) causes an increase in the pressure at the load port (26) which causes the pressure reducing valve spool (61) to move against a spring (77, 78) to establish a pressure in the load port (26) proportional to the travel distance of the sleeve member (46). Movement of the sleeve member (46) is controlled by a solenoid control valve (85) having a spool (86) slidably nested within a projection (54) of an end wall (51) extending into a bore (62) of the pressure reducing valve spool (61).

Abstract translation: 压力调节和减压阀（10）以加压升压和减压的压力将来自泵（11）的加压液压流体与变速器的液压致动离合器连通。 为了提供紧凑的阀，阀（10）具有可滑动地嵌套在负载活塞的套筒构件（46）内的减压阀阀芯（61），以在其间提供阀作用，以控制流体在入口 24），主体（19）中的装载口（26）和排出口（27）。 套筒构件（46）的移动导致加载端口（26）处的压力增加，这导致减压阀阀芯（61）抵抗弹簧（77,78）移动，以在负载端口 26）与套筒构件（46）的移动距离成比例。 套筒构件（46）的移动由电磁控制阀（85）控制，该电磁控制阀具有可滑动地嵌套在延伸到减压孔（62）的端壁（51）的突出部（54）内的阀芯（86） 阀芯（61）。

公开(公告)号：WO1983003994A1

公开(公告)日：1983-11-24

申请号：PCT/US1982000623

申请日：1982-05-10

Applicant: CATERPILLAR TRACTOR CO. ,  RAY, Robert, W. ,  PIERCE, Rex, G.

Inventor： CATERPILLAR TRACTOR CO.

IPC: B24B01/00

CPC classification number: B24B49/00 ,  B24B1/00

Abstract: A method and apparatus for abrasively machining a workpiece (12) includes the establishment of an eddy-current in the workpiece (12) at an area (33) where an abrasive tool (14) contacts the workpiece (12). Heretofore it has not been possible to adaptively control an abrasive machining operation as a function of changes occurring in the microstructure of the workpiece (12) during the machining operation. In particular, it has not been possible to detect non-visible grinder burn on the surface of a workpiece during a grinding operation. The present invention solves the above problem by providing an abrasive machining apparatus (10) having a means (32) for establishing an eddy-current in a workpiece (12) at an area (33) where a tool (14) contacts the workpiece (12) and sensing any change in the eddy-current in response to change in the microstructure of the workpiece (12) resulting from the abrasive machining operation. The method and apparatus of the present invention is particularly useful for grinding hardened ferrous metal workpieces without incurring grinder burn defects.

公开(公告)号：WO1983003575A1

公开(公告)日：1983-10-27

申请号：PCT/US1982000419

申请日：1982-04-05

Applicant: CATERPILLAR TRACTOR CO. ,  FOGG, Jeffrey, R.

Inventor： CATERPILLAR TRACTOR CO.

IPC: B60H01/00

CPC classification number: B60H1/248 ,  B60H1/00378 ,  B62D33/0617

Abstract: In construction vehicles (10) it is not uncommon to have the cab or operator's station (12) positioned directly adjacent the engine enclosure (14). Being so positioned, the transfer of the heat created by the engine (16) is often transferred directly into the confines of the cab (12) by a wall (28) of the cab (12). The wall construction (28) of this invention includes an air passage (41) in which a current of ambient air (49) is established within the wall (28). A pressure drop, which is created by an existing flowage of air (26) within the engine enclosure (14), is utilized to pull ambient air (49) from the cab interior (36) and through the air passage (41). The air moving through the passage (41) provides a cooling thereof to prevent the transfer of heat from the engine enclosure (14) to the cab interior (36).

Abstract translation: 在工程车辆（10）中，驾驶室或操作员站（12）直接邻近发动机机箱（14）定位是不常见的。 如此定位，由发动机（16）产生的热量的传递通常由驾驶室（12）的壁（28）直接传递到驾驶室（12）的限制部分。 本发明的壁结构（28）包括空气通道（41），其中在壁（28）内建立了环境空气（49）的电流。 由发动机罩（14）内的现有的空气（26）产生的压降用于从驾驶室内部（36）和通过空气通道（41）拉动环境空气（49）。 移动通过通道（41）的空气提供冷却，以防止热量从发动机罩（14）传递到驾驶室内部（36）。

公开(公告)号：WO1983002133A1

公开(公告)日：1983-06-23

申请号：PCT/US1981001692

申请日：1981-12-17

Applicant: CATERPILLAR TRACTOR CO. ,  BAILEY, John, M.

Inventor： CATERPILLAR TRACTOR CO.

IPC: F02B07/02

CPC classification number: F02D19/0676 ,  B01F3/0861 ,  B01F3/088 ,  B01F5/04 ,  F02B3/06 ,  F02D19/0605 ,  F02D19/0655 ,  F02D19/066 ,  F02D19/0684 ,  F02D19/081 ,  Y02T10/36

Abstract: It is desirable to utilize alcohol in conjunction with diesel fuel in a diesel engine. Herein, a mixer (24) includes a chamber (28) and an elongated flow path (30) having first (32) and second (34) end portions (32, 34). A plurality of restricted orifices (36) connect the flow path (30) with the chamber (28) at a plurality of positions along the length of the flow path (30). The mixer (24) is positioned and adapted to receive diesel fuel in a first end portion (32) of the flow path (30) and alcohol in the second end portion (34) of the flow path (30). Desired quantitites of diesel fuel and alcohol are measured out into the flow path (30). Thereafter, they flow through the restricted orifices (36) under pressure and are thoroughly mixed and emulsified in the chamber (28). Uniformity of diesel fuel-alcohol flow is thereby attained during steady state operating conditions. Control of the diesel-alcohol mixing ratio and of total fuel flow are also described, both as functions of engine operating conditions.

Abstract translation: 在柴油发动机中，优选与柴油一起使用醇。 这里，混合器（24）包括具有第一（32）和第二（34）端部（32,34）的腔室（28）和细长流路（30）。 多个受限制的孔（36）沿着流动路径（30）的长度在多个位置处将流路（30）与腔室（28）连接。 混合器（24）被定位并适于在流动路径（30）的第一端部（32）和流动路径（30）的第二端部（34）中的醇中接收柴油燃料。 柴油燃料和酒精的所需定量被测量到流动路径（30）中。 此后，它们在压力下流过限制孔（36），并在室（28）中充分混合并乳化。 因此，在稳态工作条件下，能够获得柴油 - 醇流的均匀性。 还描述了柴油 - 醇混合比和总燃料流量的控制，既作为发动机操作条件的功能。