JP2020197181A - 配管の固定構造 - Google Patents
配管の固定構造 Download PDFInfo
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- JP2020197181A JP2020197181A JP2019104665A JP2019104665A JP2020197181A JP 2020197181 A JP2020197181 A JP 2020197181A JP 2019104665 A JP2019104665 A JP 2019104665A JP 2019104665 A JP2019104665 A JP 2019104665A JP 2020197181 A JP2020197181 A JP 2020197181A
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- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 141
- 238000000746 purification Methods 0.000 claims abstract description 133
- 230000002093 peripheral effect Effects 0.000 claims abstract description 47
- 238000003780 insertion Methods 0.000 claims description 78
- 230000037431 insertion Effects 0.000 claims description 78
- 239000010445 mica Substances 0.000 claims description 52
- 229910052618 mica group Inorganic materials 0.000 claims description 52
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 32
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 70
- 239000013618 particulate matter Substances 0.000 description 19
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- 238000004140 cleaning Methods 0.000 description 14
- 239000003054 catalyst Substances 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
- F01N13/1822—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration for fixing exhaust pipes or devices to vehicle body
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1827—Sealings specially adapted for exhaust systems
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
- F01N13/1894—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells the parts being assembled in longitudinal direction
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0237—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles for regenerating ex situ
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/04—Flanged joints the flanges being connected by members tensioned in the radial plane
- F16L23/08—Flanged joints the flanges being connected by members tensioned in the radial plane connection by tangentially arranged pin and nut
-
- 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
- F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
- F01N2340/04—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses characterised by the arrangement of an exhaust pipe, manifold or apparatus in relation to vehicle frame or particular vehicle parts
-
- 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
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/24—Methods or apparatus for fitting, inserting or repairing different elements by bolts, screws, rivets or the like
-
- 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
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/30—Removable or rechangeable blocks or cartridges, e.g. for filters
-
- 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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
- F16B2/10—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using pivoting jaws
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Clamps And Clips (AREA)
- Exhaust Silencers (AREA)
Abstract
Description
(A)例えば、前記実施形態に係る排気ガス浄化装置21に替えて、他の第1実施形態に係る排気ガス浄化装置85を配置してもよい。他の第1実施形態に係る排気ガス浄化装置85について図18に基づいて説明する。図18に示すように、他の第1実施形態に係る排気ガス浄化装置85は、前記実施形態に係る排気ガス浄化装置21とほぼ同じ構成である。但し、他の第1実施形態に係る排気ガス浄化装置85の浄化用筒体36の外周面には、各突起部39に替えて、上流側のフランジ部36Bと下流側のフランジ部36Cの近傍位置に、それぞれ周方向に沿って一対の突起部86が突出して形成されている。
(B)また、例えば、前記実施形態に係る排気ガス浄化装置21に替えて、他の第2実施形態に係る排気ガス浄化装置91を配置してもよい。他の第2実施形態に係る排気ガス浄化装置91について図19及び図20に基づいて説明する。図19及び図20に示すように、他の第2実施形態に係る排気ガス浄化装置91は、前記実施形態に係る排気ガス浄化装置21とほぼ同じ構成である。
12 カウンタウエイト
15 エンジン
18A 開口部
18B 切欠き窓部
21、85、91 排気ガス浄化装置
22 排気管
26、93 粒子状物質除去フィルタ(DPF)(浄化処理部材)
27 取付台座(取付台座部)
28 架台
31 ボルト(固定用ボルト)
35 上流筒体
35C、37B フランジ部
35D、36E、36F、37D 接続面
36 浄化用筒体
36B 上流側のフランジ部
36C 下流側のフランジ部
36D 把持部
37 下流筒体
39、86、92 突起部
41 支持部材(第1支持部)
45 支持部材(第2支持部)
47 長孔
51 挿入用リブ部
52 ガスケット挿入溝部
52A 窪み部
53 マイカガスケット
59 挿入溝部
67 クランプ結合具
67A 枠体
67C 締結部
67D ボルト
68 溝
69 鍔部
Claims (11)
- 車体に搭載されたエンジンの排気ガス通路に設けられた上流筒体と、
前記上流筒体の下流側に設けられた下流筒体と、
前記上流筒体の前記下流筒体側の端部の全周に渡って設けられた平坦な接続面を有する環状の上流側フランジ部と、
前記下流筒体の前記上流筒体側の端部の全周に渡って設けられた平坦な接続面を有する環状の下流側フランジ部と、
断面U字形又はV字形の溝を有する複数のクランプ片を有し、複数の前記クランプ片を前記溝が内側を向いて環状になるように構成されて、前記上流側フランジ部と前記下流側フランジ部の互いの接続面を当接させた状態で前記溝内に挟んで、取り付け、取り外し可能に互いに接続するクランプ結合具と、
前記上流筒体と前記下流筒体の少なくとも一方の外周面において、前記クランプ片の側縁に対して外側に所定隙間を形成しつつ平行に所定高さ突出するように設けられたリブ状の突起部と、
を備えた、
配管の固定構造。 - 請求項1に記載の配管の固定構造において、
前記クランプ結合具は、
一対の前記クランプ片の相対向する端部をボルトにより互いに締結される締結部を有し、
前記突起部は、
前記ボルトによって互いに締結される一対の前記クランプ片の相対向する端部のそれぞれの側縁に対して所定高さ突出するように設けられている、
配管の固定構造。 - 請求項2に記載の配管の固定構造において、
前記突起部は、
前記締結部を含む周方向両側に対して所定高さ突出するように周方向所定中心角度の範囲において、連続して突出するように設けられた、
配管の固定構造。 - 請求項1乃至請求項3のいずれか1項に記載の配管の固定構造において、
複数の前記クランプ片は、
少なくとも前記突起部に対向する側の側縁から外側へ折り曲げられた鍔部を有する、
配管の固定構造。 - 請求項1乃至請求項4のいずれか1項に記載の配管の固定構造において、
車体後部に設けられたカウンタウエイト内に配置されて、排気ガスを通して浄化する浄化処理部材を収容する浄化用筒体と、
前記カウンタウエイトの所定位置に貫通して設けられた開口部と、
を備え、
前記浄化用筒体は、
前記上流筒体と前記下流筒体との間に配置されて、前記浄化用筒体の両端部の全周に渡って設けられた平坦な接続面を有する環状の一対のフランジ部を有し、
前記浄化用筒体の上流側のフランジ部と前記上流側フランジ部、及び、前記浄化用筒体の下流側のフランジ部と前記下流側フランジ部が、一対の前記クランプ結合具の前記溝内にそれぞれ挟まれて、取り付け、取り外し可能に互いに接続され、
前記突起部は、
前記上流筒体と前記下流筒体の外周面に替えて、前記浄化用筒体の外周面の一対の前記クランプ結合具のそれぞれの前記クランプ片の側縁に対して外側に所定隙間を形成しつつ平行に所定高さ突出するように設けられ、
前記開口部は、
該開口部を介して一対の前記クランプ結合具を取り付け、取り外し可能に形成されると共に、前記浄化用筒体が通過し得る大きさに形成された、
配管の固定構造。 - 請求項5に記載の配管の固定構造において、
前記車体に固定されて前記上流筒体を支持する第1支持部と、
前記車体に固定用ボルトによるボルト止めにより取り付けられる取付台座部に一端側が固定されて、他端側が前記下流筒体に固定されて該下流筒体を支持する第2支持部と、
を備え、
前記開口部を介して、前記固定用ボルトを緩めることによって前記取付台座部と前記第2支持部と前記下流筒体とが一体的に前記浄化用筒体の軸方向に沿ってスライド移動可能に構成されている、
配管の固定構造。 - 請求項5又は請求項6に記載の配管の固定構造において、
前記浄化用筒体の上流側のフランジ部と下流側のフランジ部のそれぞれの前記接続面は、
周方向全周に渡って軸方向内側に所定深さ窪んでガスケットが挿入される正面視環状のガスケット挿入溝部と、
前記ガスケット挿入溝部の周方向所定位置に、半径方向外側の周縁部から溝内まで周方向所定幅で切り欠かれた窪み部と、
を有し、
前記ガスケットは、マイカガスケットを含む、
配管の固定構造。 - 請求項7に記載の配管の固定構造において、
前記ガスケット挿入溝部は、
前記窪み部の軸方向奥側の端縁部よりも軸方向奥側へ窪むように形成されている、
配管の固定構造。 - 請求項7又は請求項8に記載の配管の固定構造において
前記窪み部は、
半径方向外側面が、軸方向内側へ、且つ、半径方向斜め内側へ傾斜するように形成されている、
配管の固定構造。 - 請求項7乃至請求項9のいずれか1項に記載の配管の固定構造において、
前記窪み部は、
前記ガスケット挿入溝部の周方向における複数箇所に設けられている、
配管の固定構造。 - 車体に搭載されたエンジンの排気ガス通路に設けられた上流筒体と、
前記上流筒体の下流側に設けられた下流筒体と、
前記上流筒体の前記下流筒体側の端部の全周に渡って設けられた平坦な接続面を有する環状の上流側フランジ部と、
前記下流筒体の前記上流筒体側の端部の全周に渡って設けられた平坦な接続面を有する環状の下流側フランジ部と、
断面U字形又はV字形の溝を有する複数のクランプ片を有し、複数の前記クランプ片を前記溝が内側を向いて環状になるように構成されて、前記上流側フランジ部と前記下流側フランジ部の互いの接続面を当接させた状態で前記溝内に挟んで、取り付け、取り外し可能に互いに接続するクランプ結合具と、
を備え、
前記上流側フランジ部又は前記下流側フランジ部の前記接続面は、
周方向全周に渡って軸方向内側に所定深さ窪んでガスケットが挿入されるガスケット挿入溝部と、
前記ガスケット挿入溝部の周方向所定位置に、半径方向外側の周縁部から溝内まで周方向所定幅で切り欠かれた窪み部と、
を有し、
前記ガスケットは、マイカガスケットを含む、
配管の固定構造。
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PCT/JP2020/021100 WO2020246361A1 (ja) | 2019-06-04 | 2020-05-28 | 配管の固定構造 |
CN202080041555.4A CN113950572B (zh) | 2019-06-04 | 2020-05-28 | 配管的固定构造 |
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Cited By (1)
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US20230151721A1 (en) * | 2021-11-16 | 2023-05-18 | Best Flow Line Equipment, L.P. | Clamp connection for use with flowlines and/or components of a hydraulic fracturing operation |
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Publication number | Publication date |
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EP3981991A1 (en) | 2022-04-13 |
EP3981991A4 (en) | 2022-10-26 |
WO2020246361A1 (ja) | 2020-12-10 |
CN113950572A (zh) | 2022-01-18 |
JP7222311B2 (ja) | 2023-02-15 |
EP3981991B1 (en) | 2023-07-19 |
CN113950572B (zh) | 2024-01-12 |
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