-
公开(公告)号：US20180195500A1
公开(公告)日：2018-07-12
申请号：US15404475
申请日：2017-01-12
Applicant: Caterpillar Inc.
Inventor： Dana R. Coldren , Dennis H. Gibson , Ankababu Kandlagunta , Sridhar Thangaswamy , Alan R. Stockner
CPC classification number: F04B15/08 , F04B9/109 , F04B9/1176 , F04B23/021 , F04B49/002 , F04B49/065 , F04B53/04 , F04B53/16 , F04B53/166 , F04B2015/081 , F04B2205/09
Abstract: A cryogenic fluid pump includes an outlet tube extending along the pump centerline, the outlet tube having an outlet passage that is fluidly in communication with the combined outlet and with a pump outlet opening, and a shroud that extends concentrically along the outlet tube and has an inner diameter that is larger than an outer diameter of the outlet tube such that a gap is formed in a radial direction between an inner surface of the shroud and an outer surface of the outlet tube, the gap extending along at least a portion of the outlet tube.
-
公开(公告)号：US20180163718A1
公开(公告)日：2018-06-14
申请号：US15378240
申请日：2016-12-14
Applicant: Caterpillar Inc.
Inventor： Aaron M. Brown , Alan R. Stockner
CPC classification number: F04B53/14 , F04B1/124 , F04B1/128 , F04B1/14 , F04B1/143 , F04B1/145 , F04B9/10 , F04B19/22 , F04B53/007 , F04B53/16
Abstract: A pump plunger is disclosed. The plunger may include a proximal end and a distal end opposite the proximal end. The plunger may also include a body portion extending between the proximal end and a second transition datum, and additionally include a transition section extending between a first transition datum and the second transition datum. The transition section may have a non-linear geometric profile. A first shoulder portion may be positioned adjacent to the transition section that may extend between the second transition datum and a third datum. The third datum may be positioned radially inward of the second transition datum. The plunger may also include a tip portion positioned adjacent to the first shoulder portion that may extend between the third datum and a fourth datum positioned at the distal end. The fourth datum may be positioned radially inward of the third datum.
-
公开(公告)号：US20170037824A1
公开(公告)日：2017-02-09
申请号：US14816598
申请日：2015-08-03
Applicant: Caterpillar Inc.
Inventor： David Mack , Alan R. Stockner , John Unes
CPC classification number: F02M63/023 , F02M59/462 , F02M63/0295 , F16K15/025 , F16K15/026 , F16K24/04 , F16K27/0209
Abstract: A valve assembly for a fuel pump is disclosed. In certain aspect, the valve assembly includes a housing defining a valve chamber, a valve inlet in fluid communication with the valve chamber, a valve outlet in fluid communication with the valve chamber, a valve seat; a valve body movably disposed within the valve chamber, a retainer sealingly engaging the housing and defining a cavity between the base portion of the valve body and the retainer, wherein the retainer comprises one or more control orifices formed therein and configured to provide fluid communication to the cavity to regulate a position of the valve body based on at least a pressure difference between the valve chamber and the cavity, and a spring member disposed between the retainer and the valve body, wherein the spring member is configured to bias the valve body.
Abstract translation: 公开了一种用于燃料泵的阀组件。 在某些方面，阀组件包括限定阀室的壳体，与阀室流体连通的阀入口，与阀室流体连通的阀出口，阀座; 可移动地设置在阀室内的阀体，保持器密封地接合壳体并且在阀体的基部与保持器之间限定空腔，其中保持器包括形成在其中的一个或多个控制孔，并且构造成提供流体连通 所述空腔至少基于所述阀室和所述空腔之间的压力差来调节所述阀体的位置;以及弹簧构件，其设置在所述保持器和所述阀体之间，其中所述弹簧构件构造成偏置所述阀体。
-
公开(公告)号：US20140130522A1
公开(公告)日：2014-05-15
申请号：US13675398
申请日：2012-11-13
Applicant: CATERPILLAR INC.
Inventor： Joshua W. Steffen , Alan R. Stockner
IPC: F17C9/02
CPC classification number: F17C9/02 , F02M21/0212 , F02M21/06 , F17C2205/0341 , F17C2221/011 , F17C2221/012 , F17C2221/016 , F17C2221/017 , F17C2221/033 , F17C2221/035 , F17C2223/0153 , F17C2223/0161 , F17C2223/033 , F17C2225/0123 , F17C2225/035 , F17C2227/0135 , F17C2227/0316 , F17C2227/0323 , F17C2227/0393 , F17C2250/01 , F17C2250/043 , F17C2250/0439 , F17C2250/0631 , F17C2250/0636 , F17C2265/066 , F17C2270/0165 , F17C2270/0168 , F17C2270/0171 , F17C2270/0173 , Y02E60/321 , Y02T10/32
Abstract: A conditioning system for a liquefied gas includes a source of liquefied gas, the liquefied gas provided from the source at a first temperature. A first heater is disposed to heat a flow of the liquefied gas to a second temperature. An accumulator is disposed to collect and store a quantity of the liquefied gas at the second temperature. A second heater is disposed to receive a flow of gas from the accumulator and the first heater, the second heater operating to heat the gas to a third temperature and provide the heated gas at the third temperature to a gas outlet.
Abstract translation: 用于液化气的调节系统包括液化气源，在第一温度下从源提供的液化气。 设置第一加热器以将液化气体的流加热到第二温度。 设置蓄能器以在第二温度下收集和存储一定量的液化气体。 第二加热器设置成接收来自蓄能器和第一加热器的气体流，第二加热器操作以将气体加热至第三温度，并将第三温度的加热气体提供给气体出口。
-
公开(公告)号：US20180306173A1
公开(公告)日：2018-10-25
申请号：US15490947
申请日：2017-04-19
Applicant: Caterpillar Inc.
Inventor： Aaron M. Brown , Alan R. Stockner
CPC classification number: F04B9/1056 , F04B15/08 , F04B23/06 , F04B2015/081
Abstract: A linearly actuated hydraulic piston pump is provided. The pump includes a piston disposed between a first section and a second section of a piston chamber. The pump also includes a control valve having a valve body defining a valve chamber therein. The control valve also includes an inlet port, a first port, a regeneration port, a second port, and a spool. The spool in a first spool position fluidly couples a pressurized fluid source to the first section via the inlet port and the first port, and fluidly couples an accumulator to the second section via the regeneration port and the second port. The spool in the second spool position fluidly couples the first section to a drain via the first port and a drain port, and fluidly couples the second section to the pressurized fluid source via the inlet port and the second port.
-
Patent Agency Ranking
公开(公告)号：US10006449B2
公开(公告)日：2018-06-26
申请号：US14597019
申请日：2015-01-14
Applicant: Caterpillar Inc.
Inventor： Bryan E. Nelson , Daniel R. Baldwin , Alan R. Stockner , Robert M. Campion , Cory A. Brown , Joshua W. Steffen , Dana R. Coldren , Sana Mahmood
CPC classification number: F04B27/1054 , F04B27/1063 , F04B37/08 , F16C19/06 , F16C19/30 , F16C19/547 , F16C23/086 , F16C2360/00
Abstract: A bearing arrangement for a wobble plate piston pump includes first, second, third, and fourth bearing assemblies. The first and second bearing assemblies support the drive shaft portion for rotation within the housing about the central longitudinal axis, while the third and fourth bearing assemblies support the load plate for rotation relative to the offset shaft portion of the shaft. The second bearing assembly is distally disposed from the first, the third disposed distally to second, and the fourth disposed distally to third. The fourth bearing assembly is the most distally disposed bearing assembly along the shaft.
-
公开(公告)号：US09689364B2
公开(公告)日：2017-06-27
申请号：US14816598
申请日：2015-08-03
Applicant: Caterpillar Inc.
Inventor： David Mack , Alan R. Stockner , John Unes
CPC classification number: F02M63/023 , F02M59/462 , F02M63/0295 , F16K15/025 , F16K15/026 , F16K24/04 , F16K27/0209
Abstract: A valve assembly for a fuel pump is disclosed. In certain aspect, the valve assembly includes a housing defining a valve chamber, a valve inlet in fluid communication with the valve chamber, a valve outlet in fluid communication with the valve chamber, a valve seat; a valve body movably disposed within the valve chamber, a retainer sealingly engaging the housing and defining a cavity between the base portion of the valve body and the retainer, wherein the retainer comprises one or more control orifices formed therein and configured to provide fluid communication to the cavity to regulate a position of the valve body based on at least a pressure difference between the valve chamber and the cavity, and a spring member disposed between the retainer and the valve body, wherein the spring member is configured to bias the valve body.
-
公开(公告)号：US20170122280A1
公开(公告)日：2017-05-04
申请号：US15335066
申请日：2016-10-26
Applicant: Caterpillar Inc.
Inventor： Graeme Mawhinney , Alan R. Stockner , Paul Stark , David Mack
CPC classification number: F02M65/008 , F02B77/04 , F02M61/02 , F02M61/04 , F02M63/0017 , F02M65/007
Abstract: A fuel injector (1) is provided which comprises a valve member (11), a valve member guide (12) and a spring chamber (40). Discharge of fuel out of a fuel injector outlet (21) is controlled by movement of the valve member (11) within a bore (23) of the valve member guide (12). The spring chamber (40) contains a biasing member (50), for example a compression spring, which biases the valve member (11) into contact with a valve seat (20) when in a closed configuration.A fuel supply passage (80) is provided, which by-passes the spring chamber (40), to direct a flow of the fuel to an outlet chamber (22) of the fuel injector (1) and a cleaning fluid supply passage (90) is provided to supply a pressurised cleaning fluid to a second end (25) of the bore (23) to restrict leakage of the fuel from the outlet chamber (22) towards the second end (25) of the bore (23) along a clearance (29) extending between the valve member (11) and the valve member guide (12).
-
9.发明授权Dual fuel common rail depressurization during engine shutdown and machine using same 有权发动机停机期间双机燃油共轨减压，机器使用相同公开(公告)号：US09482165B2
公开(公告)日：2016-11-01
申请号：US13866110
申请日：2013-04-19
Applicant: Caterpillar, Inc.
Inventor： Alan R. Stockner , Nandagopal Methil , Daniel Puckett
IPC: F02B13/00 , F02D41/00 , F02D41/04 , F02D41/30 , F02D41/38 , F02D19/06 , F02D19/10 , F02M43/00 , F02M63/02 , F02M55/00 , F02M55/02
CPC classification number: F02D41/0025 , F02D19/0605 , F02D19/061 , F02D19/0694 , F02D19/10 , F02D41/0027 , F02D41/008 , F02D41/042 , F02D41/3094 , F02D41/3863 , F02D41/401 , F02D2200/0602 , F02M43/00 , F02M55/002 , F02M55/02 , F02M63/026 , F02M63/0295 , Y02T10/36
Abstract: A machine includes a compression ignition engine fueled from common rail fuel injectors that predominately inject natural gas fuel that is compression ignited with a small pilot injection of liquid diesel fuel. When an engine shutdown command is communicated to an electronic controller, the supply of gaseous fuel to the gas rail is stopped and the gaseous fuel common rail is depressurized by continuing to run the engine and inject gaseous and liquid fuels while commanding a liquid pressure greater than the gas pressure. After the gas rail pressure has achieved an acceptable shutdown pressure, the engine is stopped. The gas rail pressure is then reduced to atmospheric pressure followed by the liquid fuel common rail being reduced to atmosphere pressure after stopping the engine.
Abstract translation: 一种机器包括由共轨燃料喷射器燃料的压燃式发动机，其主要是喷射天然气燃料，该天然气燃料通过小型先导式液体柴油燃料喷射而被压缩点燃。 当发动机关闭指令传送到电子控制器时，停止向气轨供应气体燃料，并通过继续运行发动机并喷射气体和液体燃料同时控制气体燃料共轨的液压大于 气压。 在气轨压力达到可接受的停机压力之后，发动机停止。 然后将气轨压力降低到大气压力，随后液体燃料共轨在停止发动机后减小到大气压力。
-
公开(公告)号：US09228507B2
公开(公告)日：2016-01-05
申请号：US13732673
申请日：2013-01-02
Applicant: Caterpillar Inc.
Inventor： Cory A. Brown , Joshua W. Steffen , Dana R. Coldren , Alan R. Stockner , Hoisan Kim , Dianqi Fang
Abstract: A dual fuel common rail system may be operated in a regular mode in which a relatively large charge of gaseous fuel is ignited by compression igniting a relatively small injection quantity of liquid diesel fuel. The dual fuel system may be operated in a single fuel limp home mode in which liquid diesel fuel is injected at higher pressures. Over pressurization of the gaseous fuel side of the fuel system due to leaked liquid fuel is avoided by regularly injecting leaked liquid fuel, but not gaseous fuel, from the gaseous nozzle outlet set during the limp home mode of operation.
Abstract translation: 双燃料共轨系统可以以常规模式操作，其中相对较大量的气体燃料通过压缩点燃，点燃相对较小量的液体柴油燃料。 双燃料系统可以在单一燃料跛行家庭模式中操作，其中液体柴油燃料在较高压力下喷射。 由于泄漏的液体燃料，燃料系统的气体燃料侧的过度加压通过在跛行家庭操作模式期间从设置的气体喷嘴出口定期注入泄漏的液体燃料而不是气体燃料来避免。
-
-
-
-
-
-
-
-
-
Search Results
34
records
(took 0.039 seconds)
