CA1187142A - Method for inductively heating valve seat inserts - Google Patents
Method for inductively heating valve seat insertsInfo
- Publication number
- CA1187142A CA1187142A CA000402185A CA402185A CA1187142A CA 1187142 A CA1187142 A CA 1187142A CA 000402185 A CA000402185 A CA 000402185A CA 402185 A CA402185 A CA 402185A CA 1187142 A CA1187142 A CA 1187142A
- Authority
- CA
- Canada
- Prior art keywords
- insert
- valve seat
- energizing
- approximately
- inductor
- 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.)
- Expired
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000006698 induction Effects 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000003754 machining Methods 0.000 claims description 8
- 238000010791 quenching Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 20
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 12
- 238000012546 transfer Methods 0.000 abstract description 6
- 230000002939 deleterious effect Effects 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 10
- 230000008901 benefit Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910001060 Gray iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/22—Valve-seats not provided for in preceding subgroups of this group; Fixing of valve-seats
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Articles (AREA)
- Details Of Valves (AREA)
- General Induction Heating (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25985681A | 1981-05-04 | 1981-05-04 | |
| US259,856 | 1981-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1187142A true CA1187142A (en) | 1985-05-14 |
Family
ID=22986708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000402185A Expired CA1187142A (en) | 1981-05-04 | 1982-05-03 | Method for inductively heating valve seat inserts |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0064367B1 (de) |
| JP (1) | JPS6047884B2 (de) |
| AT (1) | ATE17814T1 (de) |
| CA (1) | CA1187142A (de) |
| DE (1) | DE3268757D1 (de) |
| MX (1) | MX151639A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3373317B2 (ja) * | 1995-02-16 | 2003-02-04 | ヤマハ発動機株式会社 | シリンダヘッドのバルブシート部構造 |
| JP3380081B2 (ja) * | 1995-03-13 | 2003-02-24 | ヤマハ発動機株式会社 | バルブシート |
| DE69608434T2 (de) * | 1995-02-28 | 2000-09-14 | Yamaha Hatsudoki K.K., Iwata | Zylinderkopf und Verfahren zur Herstellung eines Ventilsitzes |
| US5778531A (en) * | 1995-09-14 | 1998-07-14 | Yamaha Hatsudoki Kabushiki Kaisha | Method of manufacturing cylinder head for engine |
| JPH0979014A (ja) * | 1995-09-14 | 1997-03-25 | Yamaha Motor Co Ltd | エンジン用シリンダヘッドの製造方法 |
| US5745993A (en) * | 1996-02-27 | 1998-05-05 | Yamaha Hatsudoki Kabushiki Kaisha | Valve seat |
| US10774939B2 (en) * | 2018-04-12 | 2020-09-15 | Cla-Val Co. | Valve with integral insert-cast seat and related method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1035179B (de) * | 1955-05-20 | 1958-07-31 | Saviem | Verfahren zur Waermebehandlung von Ventilsitzen |
| US3837934A (en) * | 1971-06-09 | 1974-09-24 | Park Ohio Industries Inc | Method for inductively heating valve seats |
| USRE29046E (en) * | 1971-06-09 | 1976-11-23 | Park-Ohio Industries, Inc. | Method and apparatus for inductively heating valve seats |
| EP0041317B1 (de) * | 1980-05-08 | 1986-08-27 | Park-Ohio Industries, Inc. | Verfahren und Vorrichtung zum induktiven Erhitzen von Ventilsitzeinsätzen zur Härtung der Sitzfläche |
-
1982
- 1982-04-23 AT AT82302088T patent/ATE17814T1/de not_active IP Right Cessation
- 1982-04-23 EP EP82302088A patent/EP0064367B1/de not_active Expired
- 1982-04-23 DE DE8282302088T patent/DE3268757D1/de not_active Expired
- 1982-05-03 CA CA000402185A patent/CA1187142A/en not_active Expired
- 1982-05-03 MX MX192538A patent/MX151639A/es unknown
- 1982-05-04 JP JP57075062A patent/JPS6047884B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57194212A (en) | 1982-11-29 |
| EP0064367A2 (de) | 1982-11-10 |
| EP0064367B1 (de) | 1986-01-29 |
| DE3268757D1 (en) | 1986-03-13 |
| ATE17814T1 (de) | 1986-02-15 |
| MX151639A (es) | 1985-01-23 |
| JPS6047884B2 (ja) | 1985-10-24 |
| EP0064367A3 (en) | 1983-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |