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GB1246105A - Improvements in or relating to pistons for internal combustion engines - Google Patents

Improvements in or relating to pistons for internal combustion engines

Info

Publication number
GB1246105A
GB1246105A GB5299468A GB5299468A GB1246105A GB 1246105 A GB1246105 A GB 1246105A GB 5299468 A GB5299468 A GB 5299468A GB 5299468 A GB5299468 A GB 5299468A GB 1246105 A GB1246105 A GB 1246105A
Authority
GB
United Kingdom
Prior art keywords
ring
piston
bevelled
edges
groove
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
GB5299468A
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of GB1246105A publication Critical patent/GB1246105A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • 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
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/08—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction with expansion obtained by pressure of the medium

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

1,246,105. Pistons. BAYERISCHE MOTOREN WERKE A.G. 8 Nov., 1968 [10 Nov., 1967], No. 52994/68. Heading F2T. To suppress or minimize piston ring flutter in a piston 2 having at least two piston rings 5, 6 housed in grooves 3, 3<SP>1</SP>, at least part of each of the two contact edges 11, 11<SP>1</SP> between the piston and the second piston ring 6 from the crown and any following rings are inwardly offset towards the piston axis 12 compared with the corresponding contact edges 10 between the piston and the top or first piston ring 5 by bevelled or recessed portions on one or both edges of the groove and/or on one or both outer edges of the ring. In the embodiment shown in Fig. 1, the ring 6 has an annular recess 6<SP>1</SP> and the upper edge of the groove 3<SP>1</SP> is bevelled at 2<SP>1</SP> whereby the area of the leakage passage 7, 8 through the ring 6 is about ten times that, 7, through the ring 5. An oil control ring 34 is fitted in a groove 3<SP>11</SP>. In a modification (Fig. 3, not shown), the outer edges (15) of the ring are bevelled only in the locality of the gap (9).
GB5299468A 1967-11-10 1968-11-08 Improvements in or relating to pistons for internal combustion engines Expired GB1246105A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1015067A AT281504B (en) 1967-11-10 1967-11-10 Pistons with piston rings for internal combustion engines

Publications (1)

Publication Number Publication Date
GB1246105A true GB1246105A (en) 1971-09-15

Family

ID=3620262

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5299468A Expired GB1246105A (en) 1967-11-10 1968-11-08 Improvements in or relating to pistons for internal combustion engines

Country Status (4)

Country Link
AT (1) AT281504B (en)
DE (1) DE1800264C3 (en)
FR (1) FR1591729A (en)
GB (1) GB1246105A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103244305A (en) * 2012-02-10 2013-08-14 株式会社久保田 Engine
US9279499B2 (en) 2012-02-08 2016-03-08 Mahle International Gmbh Piston ring for an internal combustion engine
WO2019034293A1 (en) * 2017-08-17 2019-02-21 Federal-Mogul Burscheid Gmbh Piston ring set, piston and internal combustion engine

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2832953A1 (en) * 1978-07-27 1980-02-21 Schmidt Gmbh Karl SUBMERSIBLE PISTON FOR PISTON MACHINES
CH657667A5 (en) * 1982-08-16 1986-09-15 Sulzer Ag PISTON INTERNAL COMBUSTION ENGINE WITH A PISTON RING AND A CYLINDER TUBE HAVING LUBRICATION OPENINGS.
US4848212A (en) * 1986-04-24 1989-07-18 Mazda Motor Corporation Internal combustion engine piston with two compression rings having reduced oil consumption
DE4025869A1 (en) * 1990-08-16 1992-02-20 Goetze Ag Piston ring for IC engine - has sloping lower ring surface
DE4025868A1 (en) * 1990-08-16 1992-02-20 Goetze Ag IC engine compression piston ring - has recess in joint area only and remainder of ring is plain
DE10304565A1 (en) * 2003-02-05 2004-08-19 Audi Ag piston ring
DE202017100093U1 (en) 2017-01-11 2017-01-23 Federal-Mogul Burscheid Gmbh piston ring
DE102021111437A1 (en) 2021-05-04 2022-11-10 Federal-Mogul Burscheid Gmbh Piston ring with variable pressure relief

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9279499B2 (en) 2012-02-08 2016-03-08 Mahle International Gmbh Piston ring for an internal combustion engine
CN103244305A (en) * 2012-02-10 2013-08-14 株式会社久保田 Engine
JP2013164022A (en) * 2012-02-10 2013-08-22 Kubota Corp Engine
EP2626598A3 (en) * 2012-02-10 2014-04-30 Kubota Corporation Engines and pistons for them
US9027933B2 (en) 2012-02-10 2015-05-12 Kubota Corporation Engine
CN103244305B (en) * 2012-02-10 2017-04-12 株式会社久保田 Engine
WO2019034293A1 (en) * 2017-08-17 2019-02-21 Federal-Mogul Burscheid Gmbh Piston ring set, piston and internal combustion engine

Also Published As

Publication number Publication date
DE1800264B2 (en) 1973-08-16
DE1800264A1 (en) 1969-08-14
FR1591729A (en) 1970-05-04
DE1800264C3 (en) 1974-03-14
AT281504B (en) 1970-05-25

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