FR2236612B1 - - Google Patents
Info
- Publication number
- FR2236612B1 FR2236612B1 FR7400867A FR7400867A FR2236612B1 FR 2236612 B1 FR2236612 B1 FR 2236612B1 FR 7400867 A FR7400867 A FR 7400867A FR 7400867 A FR7400867 A FR 7400867A FR 2236612 B1 FR2236612 B1 FR 2236612B1
- Authority
- FR
- France
- 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
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
- F01L3/12—Cooling of valves
- F01L3/14—Cooling of valves by means of a liquid or solid coolant, e.g. sodium, in a closed chamber in a valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
- B23P15/002—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings poppet valves
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT6906773A IT1046261B (en) | 1973-07-11 | 1973-07-11 | PROCEDURE FOR THE MANUFACTURE OF CAVE VALVES AND VALVES THUS OBTAINED FOR INTERNAL COMBUSTION ENGINES AND OTHER MACHINES IN GENERAL |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2236612A1 FR2236612A1 (en) | 1975-02-07 |
FR2236612B1 true FR2236612B1 (en) | 1980-07-04 |
Family
ID=11311273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7400867A Granted FR2236612A1 (en) | 1973-07-11 | 1974-01-10 | Hollow coolant-filled combustion engine valve - one-piece hollow valve with stem has welded-on top end |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2361712C2 (en) |
FR (1) | FR2236612A1 (en) |
IT (1) | IT1046261B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2329848A1 (en) * | 1975-10-30 | 1977-05-27 | Semt | COOLED MUSHROOM TYPE VALVE BY CIRCULATION OF A REFRIGERANT FLUID |
DE2936335A1 (en) * | 1979-09-08 | 1981-04-16 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | METHOD FOR PRODUCING A SODIUM-FILLED VALVE |
DE4024084A1 (en) * | 1989-11-29 | 1991-06-06 | Daimler Benz Ag | METHOD FOR PRODUCING HOLLOW GAS EXCHANGE VALVES FOR LIFTING PISTON MACHINES |
US8991353B2 (en) * | 2012-04-18 | 2015-03-31 | GM Global Technology Operations LLC | Valve system |
DE102013210900A1 (en) | 2013-06-11 | 2014-12-11 | Mahle International Gmbh | Gas exchange valve of an internal combustion engine |
CN106238941A (en) * | 2016-08-25 | 2016-12-21 | 重庆三爱海陵实业有限责任公司 | The manufacturing process of hollow valve filled with sodium |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2371548A (en) * | 1943-12-06 | 1945-03-13 | Thomas F Saffady | Valve |
US3233599A (en) * | 1964-10-12 | 1966-02-08 | Bayerisches Leichtmetallwerk K | Valve, valve-manufacturing process and articles used in said process |
US3701342A (en) * | 1971-03-08 | 1972-10-31 | Herbert B Owsley | Valve member |
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1973
- 1973-07-11 IT IT6906773A patent/IT1046261B/en active
- 1973-12-12 DE DE19732361712 patent/DE2361712C2/en not_active Expired
-
1974
- 1974-01-10 FR FR7400867A patent/FR2236612A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2361712C2 (en) | 1983-11-03 |
DE2361712A1 (en) | 1975-02-06 |
IT1046261B (en) | 1980-06-30 |
FR2236612A1 (en) | 1975-02-07 |