JPS55119163A - High pressure fluid supply pipe - Google Patents

High pressure fluid supply pipe

Info

Publication number
JPS55119163A
JPS55119163A JP2492879A JP2492879A JPS55119163A JP S55119163 A JPS55119163 A JP S55119163A JP 2492879 A JP2492879 A JP 2492879A JP 2492879 A JP2492879 A JP 2492879A JP S55119163 A JPS55119163 A JP S55119163A
Authority
JP
Japan
Prior art keywords
pipe
steel
hardened layer
supply pipe
fesn
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.)
Granted
Application number
JP2492879A
Other languages
Japanese (ja)
Other versions
JPS5612753B2 (en
Inventor
Masayoshi Usui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Usui Kokusai Sangyo Kaisha Ltd
Original Assignee
Usui Kokusai Sangyo Kaisha Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Usui Kokusai Sangyo Kaisha Ltd filed Critical Usui Kokusai Sangyo Kaisha Ltd
Priority to JP2492879A priority Critical patent/JPS55119163A/en
Publication of JPS55119163A publication Critical patent/JPS55119163A/en
Publication of JPS5612753B2 publication Critical patent/JPS5612753B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

PURPOSE:To attain to prevent the cavitation caused by a fluid pressure and the deterioration of fatigue strength according to fluid pressure change and machine vibration by a method wherein an inner wall surface of a steel pipe with a thick wall and a small diameter for a fuel supply pipe or the like of a diesel engine is coated by a hardened layer comprising a metal compound of FeSn system diffused to the steel side. CONSTITUTION:For example, on an inner surface 2 of a steel pipe 1 with relatively thick wall and a small diameter of which a pipe diameter is 6-30mm and wall thickness is about 2.2-12mm, an Sn material 3 is preliminarily placed or coated. Subsequently, this steel pipe is heated in a furnace and is formed a hardened layer 4 comprising a intermetallic compound of FeSn or FeSn2 or coexisted material thereof diffused into a steel side. That is, this hardened layer 4 is obtained by placing a Sn material 3 on an inside wall surface 2' of a pipe body 1' or applying a coating of an Sn material and heating the said Sn material to diffuse it into a steel side. By this method, the fatigue strength of the pipe body is increased and the mechanical property against crack or breakage is enhanced.
JP2492879A 1979-03-03 1979-03-03 High pressure fluid supply pipe Granted JPS55119163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2492879A JPS55119163A (en) 1979-03-03 1979-03-03 High pressure fluid supply pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2492879A JPS55119163A (en) 1979-03-03 1979-03-03 High pressure fluid supply pipe

Publications (2)

Publication Number Publication Date
JPS55119163A true JPS55119163A (en) 1980-09-12
JPS5612753B2 JPS5612753B2 (en) 1981-03-24

Family

ID=12151761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2492879A Granted JPS55119163A (en) 1979-03-03 1979-03-03 High pressure fluid supply pipe

Country Status (1)

Country Link
JP (1) JPS55119163A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2804180A1 (en) * 2000-01-26 2001-07-27 Usui Kokusai Sangyo Kk COMMON SUPPLY RAMP FOR DIESEL ENGINE
CN108103560A (en) * 2018-02-05 2018-06-01 深圳市瑞世兴科技有限公司 A kind of metal plating refining device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0379966A (en) * 1989-08-22 1991-04-04 Tokyo Gas Co Ltd Protection against solution crystallization in absorption refrigerating machine at shutdown

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52122230A (en) * 1976-04-08 1977-10-14 Mitsuzakura Kougiyou Kk Method of hot dipping inner surface of fine metal pipe
JPS53735A (en) * 1976-05-24 1978-01-06 Arnsteiner Anton Slope ascent assisting means for turning ski
JPS5331091A (en) * 1976-09-02 1978-03-23 Toshiba Corp Nuclear reactor
JPS5347059A (en) * 1976-10-12 1978-04-27 Bayer Ag Drying method and apparatus for polychloroplene sheet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52122230A (en) * 1976-04-08 1977-10-14 Mitsuzakura Kougiyou Kk Method of hot dipping inner surface of fine metal pipe
JPS53735A (en) * 1976-05-24 1978-01-06 Arnsteiner Anton Slope ascent assisting means for turning ski
JPS5331091A (en) * 1976-09-02 1978-03-23 Toshiba Corp Nuclear reactor
JPS5347059A (en) * 1976-10-12 1978-04-27 Bayer Ag Drying method and apparatus for polychloroplene sheet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2804180A1 (en) * 2000-01-26 2001-07-27 Usui Kokusai Sangyo Kk COMMON SUPPLY RAMP FOR DIESEL ENGINE
CN108103560A (en) * 2018-02-05 2018-06-01 深圳市瑞世兴科技有限公司 A kind of metal plating refining device

Also Published As

Publication number Publication date
JPS5612753B2 (en) 1981-03-24

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