JP5923223B1 - 作業車両 - Google Patents
作業車両 Download PDFInfo
- Publication number
- JP5923223B1 JP5923223B1 JP2015551928A JP2015551928A JP5923223B1 JP 5923223 B1 JP5923223 B1 JP 5923223B1 JP 2015551928 A JP2015551928 A JP 2015551928A JP 2015551928 A JP2015551928 A JP 2015551928A JP 5923223 B1 JP5923223 B1 JP 5923223B1
- Authority
- JP
- Japan
- Prior art keywords
- reducing agent
- circuit
- injection device
- engine
- agent injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0883—Tanks, e.g. oil tank, urea tank, fuel tank
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/16—Cabins, platforms, or the like, for drivers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
- B60Y2200/415—Wheel loaders
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
- E02F3/3417—Buckets emptying by tilting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Component Parts Of Construction Machinery (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
本実施形態の作業車両1では、図3、4に示すように、還元剤噴射装置冷却回路73、73a、還元剤タンク凍結防止回路77、及び、暖房回路76のうちの1つの回路が残りの回路に対して直列に配置される。したがって、還元剤噴射装置冷却回路73、73a、還元剤タンク凍結防止回路77、及び、暖房回路76を並列に配置する場合に比べて、熱交換媒体の必要量が少なくなる。したがって、暖房回路76の暖房性能と還元剤噴射装置冷却回路73、73aの冷却性能と還元剤タンク凍結防止回路77の加熱性能とを十分に確保することができる。
Claims (5)
- エンジンと、
前記エンジンの排気を処理する排気処理装置と、
前記排気処理装置に還元剤を噴射する還元剤噴射装置と、
前記還元剤を貯留する還元剤タンクと、
運転室と、
エンジン冷却回路と、
還元剤噴射装置冷却回路と、
還元剤タンク凍結防止回路と、
前記運転室の暖房回路と、
を備え、
前記還元剤噴射装置冷却回路、前記還元剤タンク凍結防止回路、及び前記暖房回路は、前記エンジン冷却回路に連通して配置され、
前記還元剤タンク凍結防止回路と、前記暖房回路とが並列に配置され、
前記還元剤噴射装置冷却回路は、並列に配置された前記還元剤タンク凍結防止回路及び前記暖房回路に対して直列に配置され、
前記還元剤噴射装置冷却回路に対して並列に配置されたバイパス回路をさらに備える、
作業車両。 - 前記還元剤タンク凍結防止回路は、前記還元剤タンクの入口近傍に設けられた絞りを含む、請求項1に記載の作業車両。
- 前記バイパス回路は、絞りを含む、
請求項1又は2に記載の作業車両。 - 前記還元剤噴射装置冷却回路は、前記並列に配置された前記還元剤タンク凍結防止回路及び前記暖房回路よりも、前記エンジン冷却回路側に配置される、
請求項1から3のいずれかに記載の作業車両。 - 前記還元剤噴射装置冷却回路は、前記エンジンのシリンダブロックにおいて、前記エンジン冷却回路と連結する、
請求項4に記載の作業車両。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2015/077924 WO2016043346A1 (ja) | 2015-10-01 | 2015-10-01 | 作業車両 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5923223B1 true JP5923223B1 (ja) | 2016-05-24 |
JPWO2016043346A1 JPWO2016043346A1 (ja) | 2017-04-27 |
Family
ID=55533380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015551928A Active JP5923223B1 (ja) | 2015-10-01 | 2015-10-01 | 作業車両 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170096795A1 (ja) |
JP (1) | JP5923223B1 (ja) |
CN (1) | CN105723063A (ja) |
WO (1) | WO2016043346A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016079773A1 (ja) * | 2014-11-21 | 2016-05-26 | 株式会社Kcm | 産業用車両 |
US10941696B2 (en) * | 2018-06-27 | 2021-03-09 | Kubota Corporation | Engine cover and work vehicle |
CN112539106B (zh) * | 2020-12-04 | 2022-03-18 | 北京电子科技职业学院 | 一种新型柴油机冷却系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2192280A1 (en) * | 2008-12-01 | 2010-06-02 | International Engine Intellectual Property LLC | Thermal management of urea dosing components in an engine exhaust after-treatment system |
JP2012237232A (ja) * | 2011-05-11 | 2012-12-06 | Hitachi Constr Mach Co Ltd | 建設機械 |
WO2014141513A1 (ja) * | 2013-03-15 | 2014-09-18 | 株式会社小松製作所 | 排気処理ユニット及び排気処理ユニットを搭載する作業車両 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5028165B2 (ja) * | 2007-07-03 | 2012-09-19 | 日立建機株式会社 | エンジン動力機械 |
JP6217408B2 (ja) * | 2014-01-24 | 2017-10-25 | コベルコ建機株式会社 | 建設機械の排気処理装置、および建設機械 |
-
2015
- 2015-10-01 JP JP2015551928A patent/JP5923223B1/ja active Active
- 2015-10-01 CN CN201580000999.2A patent/CN105723063A/zh active Pending
- 2015-10-01 US US14/896,485 patent/US20170096795A1/en not_active Abandoned
- 2015-10-01 WO PCT/JP2015/077924 patent/WO2016043346A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2192280A1 (en) * | 2008-12-01 | 2010-06-02 | International Engine Intellectual Property LLC | Thermal management of urea dosing components in an engine exhaust after-treatment system |
JP2012237232A (ja) * | 2011-05-11 | 2012-12-06 | Hitachi Constr Mach Co Ltd | 建設機械 |
WO2014141513A1 (ja) * | 2013-03-15 | 2014-09-18 | 株式会社小松製作所 | 排気処理ユニット及び排気処理ユニットを搭載する作業車両 |
Also Published As
Publication number | Publication date |
---|---|
US20170096795A1 (en) | 2017-04-06 |
CN105723063A (zh) | 2016-06-29 |
WO2016043346A1 (ja) | 2016-03-24 |
JPWO2016043346A1 (ja) | 2017-04-27 |
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