CA929052A - Piston with circular grain flow around bore and method - Google Patents

Piston with circular grain flow around bore and method

Info

Publication number
CA929052A
CA929052A CA116992A CA116992A CA929052A CA 929052 A CA929052 A CA 929052A CA 116992 A CA116992 A CA 116992A CA 116992 A CA116992 A CA 116992A CA 929052 A CA929052 A CA 929052A
Authority
CA
Canada
Prior art keywords
piston
flow around
grain flow
around bore
circular grain
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
CA116992A
Other languages
English (en)
Other versions
CA116992S (en
Inventor
L. Elliott Robert
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
TRW 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 TRW Inc filed Critical TRW Inc
Application granted granted Critical
Publication of CA929052A publication Critical patent/CA929052A/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
    • B21K1/18—Making machine elements pistons or plungers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/001—One-piece pistons
    • 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
    • Y10T29/49249—Piston making
    • Y10T29/49266—Gudgeon pin, wrist pin, piston pin, or boss therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Forging (AREA)
CA116992A 1970-09-08 1971-06-29 Piston with circular grain flow around bore and method Expired CA929052A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7020570A 1970-09-08 1970-09-08

Publications (1)

Publication Number Publication Date
CA929052A true CA929052A (en) 1973-06-26

Family

ID=22093820

Family Applications (1)

Application Number Title Priority Date Filing Date
CA116992A Expired CA929052A (en) 1970-09-08 1971-06-29 Piston with circular grain flow around bore and method

Country Status (6)

Country Link
US (1) US3654840A (OSRAM)
JP (1) JPS5214219B1 (OSRAM)
CA (1) CA929052A (OSRAM)
DE (1) DE2130736C3 (OSRAM)
FR (1) FR2103363A5 (OSRAM)
GB (1) GB1312610A (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4446726A1 (de) * 1994-12-24 1996-06-27 Mahle Gmbh Verfahren zur Herstellung eines einteiligen Kühlkanalkolbens
US6840155B2 (en) * 2000-10-18 2005-01-11 Federal-Mogul World Wide, Inc. Multi-axially forged piston
US6487773B2 (en) * 2001-03-23 2002-12-03 Mahle Gmbh Method of making one-piece piston
US6862976B2 (en) 2001-10-23 2005-03-08 Federal-Mogul World Wide, Inc. Monobloc piston
DE602007000292D1 (de) * 2006-07-13 2009-01-08 Yamaha Motor Co Ltd Geschmiedeter Kolben, Verbrennungsmotor, Transportvorrichtung und Verfahren zur Herstellung des geschmiedeten Kolbens
US8857401B2 (en) 2011-03-08 2014-10-14 Rohan Gunning Low drag piston
US11148189B2 (en) * 2018-10-10 2021-10-19 Race Winning Brands, Inc. Forged piston with oriented grain flow
CN112222342B (zh) * 2020-09-11 2022-07-01 郑州机械研究所有限公司 一种钢制柴油机活塞热挤压成形装置及工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465792A (en) * 1944-07-23 1949-03-29 Aluminum Co Of America Piston
US2667390A (en) * 1948-06-26 1954-01-26 Metalflo Corp Piston or like cup-shaped article
US2795467A (en) * 1953-07-03 1957-06-11 Thompson Prod Inc Aluminum-silicon alloy extruded pistons
US3010186A (en) * 1954-01-14 1961-11-28 Thompson Ramo Wooldridge Inc Piston manufacture
US3070414A (en) * 1959-08-03 1962-12-25 Thompson Ramo Wooldridge Inc Piston and method of making same
US3237532A (en) * 1963-12-11 1966-03-01 Trw Inc Piston manufacture
US3324772A (en) * 1964-05-29 1967-06-13 Karl Schmidt G M B H Fa Piston

Also Published As

Publication number Publication date
US3654840A (en) 1972-04-11
JPS5214219B1 (OSRAM) 1977-04-20
GB1312610A (en) 1973-04-04
DE2130736C3 (de) 1975-10-23
DE2130736A1 (de) 1972-03-16
FR2103363A5 (OSRAM) 1972-04-07
DE2130736B2 (de) 1974-01-03

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