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FR918820A - Manufacturing process of hollow lift valves - Google Patents

Manufacturing process of hollow lift valves

Info

Publication number
FR918820A
FR918820A FR918820DA FR918820A FR 918820 A FR918820 A FR 918820A FR 918820D A FR918820D A FR 918820DA FR 918820 A FR918820 A FR 918820A
Authority
FR
France
Prior art keywords
manufacturing process
lift valves
hollow lift
hollow
valves
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
Application number
Other languages
French (fr)
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
Thompson Products Inc
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 Thompson Products Inc filed Critical Thompson Products Inc
Application granted granted Critical
Publication of FR918820A publication Critical patent/FR918820A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/20—Making machine elements valve parts
    • B21K1/22—Making machine elements valve parts poppet valves, e.g. for internal-combustion engines
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
FR918820D 1945-12-14 1945-12-14 Manufacturing process of hollow lift valves Expired FR918820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR918820T 1945-12-14

Publications (1)

Publication Number Publication Date
FR918820A true FR918820A (en) 1947-02-19

Family

ID=9424703

Family Applications (1)

Application Number Title Priority Date Filing Date
FR918820D Expired FR918820A (en) 1945-12-14 1945-12-14 Manufacturing process of hollow lift valves

Country Status (1)

Country Link
FR (1) FR918820A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027488B (en) * 1952-10-31 1958-04-03 Teves Kg Alfred Method of manufacturing hollow poppet valves for internal combustion engines
DE1239912B (en) * 1963-10-30 1967-05-03 Unterstuetzungskasse Der Lands Process for the production of solid workpieces from cast blanks made of cast iron. Like. By hot extrusion
DE1247118B (en) * 1958-10-06 1967-08-10 Ind De Prec Martii I P M S A Process and device for cold punching and cold extrusion of high-alloy steel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027488B (en) * 1952-10-31 1958-04-03 Teves Kg Alfred Method of manufacturing hollow poppet valves for internal combustion engines
DE1247118B (en) * 1958-10-06 1967-08-10 Ind De Prec Martii I P M S A Process and device for cold punching and cold extrusion of high-alloy steel
DE1239912B (en) * 1963-10-30 1967-05-03 Unterstuetzungskasse Der Lands Process for the production of solid workpieces from cast blanks made of cast iron. Like. By hot extrusion

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