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DE966347C - Method of manufacturing exhaust valves with armored valve cone - Google Patents

Method of manufacturing exhaust valves with armored valve cone

Info

Publication number
DE966347C
DE966347C DET3708A DET0003708A DE966347C DE 966347 C DE966347 C DE 966347C DE T3708 A DET3708 A DE T3708A DE T0003708 A DET0003708 A DE T0003708A DE 966347 C DE966347 C DE 966347C
Authority
DE
Germany
Prior art keywords
plate
exhaust valves
armor
armor material
valve cone
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
DET3708A
Other languages
German (de)
Inventor
Dipl-Ing Herbert Stein
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.)
Continental Teves AG and Co OHG
Original Assignee
Alfred Teves GmbH
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 Alfred Teves GmbH filed Critical Alfred Teves GmbH
Priority to DET3708A priority Critical patent/DE966347C/en
Application granted granted Critical
Publication of DE966347C publication Critical patent/DE966347C/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K5/00—Gas flame welding
    • B23K5/18—Gas flame welding for purposes other than joining parts, e.g. built-up welding
    • 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
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

$ 509579/249 11.55 (TO 601/16 7.57)$ 509579/249 11.55 (TO 601/16 7.57)

Claims (1)

PATENTANSPRUCH:PATENT CLAIM: Verfahren zum Herstellen von Auslaßventilen, vorzugsweise für Verbrennungsmotoren, mit einer außer die Sitzfläche auch die zylindrische Mantelfläche des Tellers bedeckenden Panzerung zum Schutz gegen Temperaturbeanspruchung und Korrosion, wobei der durch Auftragschweißen auf den entsprechend vorgeformten Kegel aufgebrachte Panzerwerkstoff durch Schlagen des auf Schmiedetemperatur erwärmten Ventils im Gesenk und gleichzeitiges Matrizieren der Schweißraupenoberfläche plastisch verformt wird, nach Patent 825 201, dadurch gekennzeichnet, daß ein Ventilrohling verwendet wird, der an der der Sitzfläche benachbarten Tellerunterseite gegenüber, seiner endgültigen Form eine das Fließen von Panzerwerkstoff während des Schiagens nach der Tellerunterseite hin verhindernde Verdickung aufweist, die durch das Schlagen die endgültige Kegelform annimmt und den Panzerwerkstoff nach der Telleroberseite hin verdrängt.Method for producing exhaust valves, preferably for internal combustion engines, with a In addition to the seat, armor also covers the cylindrical surface of the plate Protection against temperature stress and corrosion, with deposition welding on applied the appropriately pre-formed cone Armor material by striking the valve heated to forging temperature in the die and simultaneous matrixing of the weld bead surface is plastically deformed, according to patent 825 201, characterized in that a valve blank is used which is attached to the seat surface adjacent plate bottom opposite, its final shape a flowing of armor material has thickening that prevents the underside of the plate while it is being struck, which takes on the final cone shape by hitting and the armor material to the top of the plate displaced towards. In Betracht gezogene Druckschriften: USA.-Patentschrift Nr. 2392152; Journal Royal Aeronautical Society, 1934, S. 339.References considered: U.S. Patent No. 2392152; Journal Royal Aeronautical Society, 1934, p. 339.
DET3708A 1950-12-23 1950-12-23 Method of manufacturing exhaust valves with armored valve cone Expired DE966347C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DET3708A DE966347C (en) 1950-12-23 1950-12-23 Method of manufacturing exhaust valves with armored valve cone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET3708A DE966347C (en) 1950-12-23 1950-12-23 Method of manufacturing exhaust valves with armored valve cone

Publications (1)

Publication Number Publication Date
DE966347C true DE966347C (en) 1957-07-25

Family

ID=7544348

Family Applications (1)

Application Number Title Priority Date Filing Date
DET3708A Expired DE966347C (en) 1950-12-23 1950-12-23 Method of manufacturing exhaust valves with armored valve cone

Country Status (1)

Country Link
DE (1) DE966347C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1300799B (en) * 1964-06-13 1969-08-07 Teves Thompson Gmbh Blank for the manufacture of valve cones with armored valve disc seating surface
DE102008037747A1 (en) * 2008-08-14 2010-02-18 Märkisches Werk GmbH bimetal

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2392152A (en) * 1942-01-24 1946-01-01 Thompson Prod Inc Method of cold working hollow headed articles

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2392152A (en) * 1942-01-24 1946-01-01 Thompson Prod Inc Method of cold working hollow headed articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1300799B (en) * 1964-06-13 1969-08-07 Teves Thompson Gmbh Blank for the manufacture of valve cones with armored valve disc seating surface
DE102008037747A1 (en) * 2008-08-14 2010-02-18 Märkisches Werk GmbH bimetal

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