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公开(公告)号：US09863719B2
公开(公告)日：2018-01-09
申请号：US14497679
申请日：2014-09-26
Applicant: Caterpillar Inc.
Inventor： Sudhakara Reddy Gopireddy , Hardik Hasmukhlal Shah , Sumeeth Shantharaju Sivanagere , Jianlong Xu , Steven James Eveker , Dongming Tan
CPC classification number: F28F9/0075 , B60K11/02 , B60K11/04 , B60Y2200/252 , B60Y2200/415 , F01P3/18 , F28D2021/008 , F28F9/001 , F28F9/002 , F28F9/007
Abstract: A support assembly is disclosed for use with a heat exchanger. The heat exchanger support assembly may include a frame configured to receive a heat exchanger. The frame may include a top section, a bottom section, and first and second side sections. The heat exchanger support assembly may also include at least one support member configured to mount a tank associated with the heat exchanger to the frame.
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公开(公告)号：US20170299269A1
公开(公告)日：2017-10-19
申请号：US15098966
申请日：2016-04-14
Applicant: Caterpillar Inc.
Inventor： Thomas Ausman , Joseph L. Kennedy , Dongming Tan , Neil A. Terry , Jianlong Xu
CPC classification number: F28D1/0226 , F28D1/05316 , F28D2021/0094 , F28F9/0231 , F28F2265/06 , F28F2265/12 , F28F2265/18
Abstract: A radiator assembly for a machine is provided. The radiator assembly includes an inlet tank adapted to receive a coolant. The radiator assembly includes a fluid line having a first end fluidly coupled to the inlet tank. The fluid line is adapted to allow passage of the coolant therethrough. The radiator assembly also includes an outlet tank fluidly coupled to a second end of the fluid line. The outlet tank is adapted to receive the coolant from the fluid line. The radiator assembly further includes a pressure compensating device fluidly coupled to at least one of the inlet tank and the outlet tank.
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公开(公告)号：US12297767B2
公开(公告)日：2025-05-13
申请号：US18136640
申请日：2023-04-19
Applicant: Caterpillar Inc.
Inventor： Joseph L. Kennedy , Bradley Paul Wrage , Dongming Tan
Abstract: A method of controlling cooling fluid flow through a radiator system having multiple radiator cores comprises flowing cooling fluid through the radiator system, the radiator system comprising a first radiator core and a second radiator core, sensing a first temperature of ambient air, comparing the first temperature to a first threshold temperature and reducing flow through the first radiator core if the first temperature is below the first threshold temperature. The first radiator core has a first valve, and the second radiator core can have a second valve. The first valve can be opened to allow for parallel flow of cooling fluid through the first radiator core and the second radiator core between an inlet manifold and an outlet manifold and closed to interrupt flow of cooing fluid through the first radiator core between the inlet manifold and the outlet manifold.
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公开(公告)号：US11230964B2
公开(公告)日：2022-01-25
申请号：US16852893
申请日：2020-04-20
Applicant: Caterpillar Inc.
Inventor： Dongming Tan , James McCoy Voelker , Sharath Kumar Reddy Challa , Jianlong Xu
Abstract: A machine system includes a compressor, and a cooler having an inlet tank to receive compressed air from the compressor, and a header assembly attached to the inlet tank and including a plurality of cooling tubes supported in the header and each having an external heat exchange surface exposed to a flow of cooling air. The cooler further includes a plurality of graphite pack seals each extending peripherally around one of the cooling tubes, and a clamping assembly clamping the pack seals against the header to squeeze the pack seals into sealing contact with the cooling tubes and the header.
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公开(公告)号：US20210047989A1
公开(公告)日：2021-02-18
申请号：US16539560
申请日：2019-08-13
Applicant: Caterpillar Inc.
Inventor： Dongming Tan , Michael Pollard
Abstract: An EGR cooler includes an elongated, stainless steel cooler housing with a first end having a stainless steel end plate and a second end opposite the first end, and an Inconel diffuser having an inlet end defining a gas inlet and an outlet end welded to the stainless steel end plate. The stainless steel end plate having a first thickness and the outlet end of the Inconel diffuser including a sidewall having a second thickness that is 50% or less of the first thickness.
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Patent Agency Ranking
公开(公告)号：US20200326143A1
公开(公告)日：2020-10-15
申请号：US16378645
申请日：2019-04-09
Applicant: Caterpillar Inc.
Inventor： Hussien A Albakhit , Virender Kumar , Jeffrey Joseph Speichinger , James McCoy Voelker , Fei Wang , Sudhakar Lakshminarayanan , Dongming Tan , Neil Alan Terry
Abstract: A radiator includes a radiator frame, an array of tube assemblies each including a coolant tube and a tube clip supported in the radiator frame, and a lateral bump stop fitted between the array of tube assemblies and the radiator frame. The lateral bump stop includes cushions arranged in a staggered cushion pattern complementary to a staggered packing pattern of the tube assemblies with each of the cushions in contact with the tube clip of one of the tube assemblies.
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公开(公告)号：US20200240723A1
公开(公告)日：2020-07-30
申请号：US16414815
申请日：2019-05-17
Applicant: Caterpillar Inc.
Inventor： Dongming Tan
IPC: F28F9/013
Abstract: A support assembly for attaching a heat exchanger to a frame of a machine. The support assembly includes a clip configured to at least partially surround a perimeter of a tube member of the heat exchanger. The clip includes a first end portion and a second end portion configured to engage the first end portion to hold the support assembly around the tube member in a closed position. The first end portion includes a laterally-extending projection and a laterally facing surface spaced apart from the projection by a recessed area. The second end portion defines a recess configured to receive a portion of the projection.
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公开(公告)号：US20180156230A1
公开(公告)日：2018-06-07
申请号：US15370687
申请日：2016-12-06
Applicant: Caterpillar Inc.
Inventor： Joseph Kennedy , Nirag Sheth , Jianlong Xu , Dongming Tan , Neil Terry , Sumeeth Sivanagere , Haifeng Li
Abstract: A fan hub stiffener is provided. The stiffener occupies a gap between parallel fan hub plates to reduce or eliminate stress on the plates during operation. The stiffener may include a body and arms extending radially outward from the body and into the spaces between adjacent fan blades.
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公开(公告)号：US20180038656A1
公开(公告)日：2018-02-08
申请号：US15230545
申请日：2016-08-08
Applicant: Caterpillar Inc.
Inventor： Joseph L. Kennedy , Dongming Tan
CPC classification number: F28D9/0093 , F28D1/0443 , F28D1/05366 , F28D9/0037 , F28D2021/0094 , F28F3/025 , F28F9/0075 , F28F9/0214 , F28F2265/26 , F28F2270/00 , F28F2270/02
Abstract: A work machine heat exchanger is provided. The work machine heat exchanger includes an upstream tank having an inlet and a downstream tank having an outlet. The work machine heat exchanger also includes a first core and a second core, both coupled between the upstream and the downstream tank, and including a first inner side sheet and a second inner side sheet, respectively. The first and the second inner side sheet define an air gap between the first and the second core. A pair of supporting bars are stacked between the first and the second inner side sheet, and configured to retain the first and the second inner side sheet parallel to each other. A first supporting bar of the pair of supporting bars is attached to the upstream tank and a second supporting bar of the pair of supporting bars is attached to the downstream tank.
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公开(公告)号：US09267410B2
公开(公告)日：2016-02-23
申请号：US14154295
申请日：2014-01-14
Applicant: Caterpillar Inc.
Inventor： Xiaohui Gong , Matthew F. Fahrenkrug , Dongming Tan , Amarnath Nelli , Na Cai , Ivan Palmer
CPC classification number: F01N3/2066 , F01N2610/02 , F01N2610/11 , Y02T10/24
Abstract: A cooling system for an injector tip for a diesel emission fluid (DEF) injection system is disclosed. The system uses a heat sink, such as a head for a regeneration system, to vaporize cooling fluid, in combination with a phase separation tank, to force cooling fluid backward through a cooling loop thereby allowing cooling of an injector tip following engine shutdown in a “hot” shutdown situation.
Abstract translation: 公开了一种用于柴油机排放液（DEF）注射系统的喷射器头部的冷却系统。 该系统使用诸如用于再生系统的头部的散热器与相分离罐组合来蒸发冷却流体，以迫使冷却流体向后流过冷却回路，从而允许在发动机关闭之后冷却喷射器尖端 “热”关机情况。
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