CA1078743A - Two-piece rotor for wankel engines - Google Patents
Two-piece rotor for wankel enginesInfo
- Publication number
- CA1078743A CA1078743A CA235,469A CA235469A CA1078743A CA 1078743 A CA1078743 A CA 1078743A CA 235469 A CA235469 A CA 235469A CA 1078743 A CA1078743 A CA 1078743A
- Authority
- CA
- Canada
- Prior art keywords
- rotor
- castings
- faces
- interfitting
- wall
- 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
- 230000013011 mating Effects 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000004907 flux Effects 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000010112 shell-mould casting Methods 0.000 claims abstract description 4
- 238000005266 casting Methods 0.000 claims description 35
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000005219 brazing Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 5
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000004320 controlled atmosphere Methods 0.000 abstract description 3
- 239000004576 sand Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000007528 sand casting Methods 0.000 description 4
- 239000012778 molding material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 208000015943 Coeliac disease Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000009702 powder compression Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
- F02B55/02—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/22—Rotary-piston machines or engines of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0436—Iron
- F05C2201/0439—Cast iron
- F05C2201/0442—Spheroidal graphite cast iron, e.g. nodular iron, ductile iron
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49231—I.C. [internal combustion] engine making
- Y10T29/49234—Rotary or radial engine making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Rotary Pumps (AREA)
- Manufacture Of Motors, Generators (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/511,864 US3988079A (en) | 1974-10-03 | 1974-10-03 | Two-piece rotor for wankel engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1078743A true CA1078743A (en) | 1980-06-03 |
Family
ID=24036767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA235,469A Expired CA1078743A (en) | 1974-10-03 | 1975-09-15 | Two-piece rotor for wankel engines |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3988079A (enExample) |
| JP (2) | JPS5166917A (enExample) |
| CA (1) | CA1078743A (enExample) |
| DE (1) | DE2540421A1 (enExample) |
| GB (1) | GB1480037A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56135778A (en) * | 1980-03-25 | 1981-10-23 | Diesel Kiki Co Ltd | Method of manufacturing compressor rotor |
| US4662046A (en) * | 1981-06-22 | 1987-05-05 | Vickers, Incorporated | Power transmission |
| DE3617344A1 (de) * | 1986-05-23 | 1987-11-26 | Siemens Ag | Verfahren zur herstellung einer steuerscheibe bzw. eines steuerschildes fuer eine fluessigkeitsringmaschine fuer aggressivere medien |
| DE102004028174A1 (de) * | 2004-06-09 | 2005-12-29 | Wankel Super Tec Gmbh | Kolben für eine Kreiskolbenbrennkraftmaschine |
| US9593580B2 (en) * | 2012-11-23 | 2017-03-14 | Pratt & Whitney Canada Corp. | Wankel engine rotor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3059585A (en) * | 1959-04-23 | 1962-10-23 | Nsu Motorenwerke Ag | Built-up rotors for rotary engines |
| US3762377A (en) * | 1972-06-21 | 1973-10-02 | Gen Motors Corp | Spark plug and rotor assembly for a rotary combustion engine |
| US3799706A (en) * | 1972-12-27 | 1974-03-26 | Gen Motors Corp | Rotor assembly for a rotary machine |
-
1974
- 1974-10-03 US US05/511,864 patent/US3988079A/en not_active Expired - Lifetime
-
1975
- 1975-09-11 DE DE19752540421 patent/DE2540421A1/de active Pending
- 1975-09-15 CA CA235,469A patent/CA1078743A/en not_active Expired
- 1975-10-02 JP JP50118298A patent/JPS5166917A/ja active Pending
- 1975-10-02 GB GB40259/75A patent/GB1480037A/en not_active Expired
-
1978
- 1978-09-27 JP JP1978131791U patent/JPS5461905U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2540421A1 (de) | 1976-04-15 |
| US3988079A (en) | 1976-10-26 |
| JPS5461905U (enExample) | 1979-04-28 |
| JPS5166917A (enExample) | 1976-06-10 |
| GB1480037A (en) | 1977-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |