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GB1208536A - Pistons for internal combustion engines - Google Patents

Pistons for internal combustion engines

Info

Publication number
GB1208536A
GB1208536A GB3387569A GB3387569A GB1208536A GB 1208536 A GB1208536 A GB 1208536A GB 3387569 A GB3387569 A GB 3387569A GB 3387569 A GB3387569 A GB 3387569A GB 1208536 A GB1208536 A GB 1208536A
Authority
GB
United Kingdom
Prior art keywords
diameter
ledge
pistons
groove
internal combustion
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
GB3387569A
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.)
Sulzer AG
Original Assignee
Sulzer AG
Gebrueder Sulzer 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 Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer AG
Publication of GB1208536A publication Critical patent/GB1208536A/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

Landscapes

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

Abstract

1,208,536. Pistons. SULZER BROS. Ltd. 4 July, 1969 [8 July, 1968], No. 33875/69. Heading F2T. In an internal combustion engine piston 1 having a ring groove 4 in its head portion 3, the flank 7 of the groove remote from the crown has an annular projecting ledge 8 having an axial thickness B at its free edge which is not more than 0.2 times the width N of the groove. The head portion 3 is slightly tapered and at the top ring groove has a diameter D2 slightly less than the diameter D1 of the piston running surface 2. The diameter D4 of the ledge 8 is not greater than the diameter D1. The ledge reduces the leakage area at the gap in the piston-ring 5. The flank 7 may be chromium plated except in the region of the ledge 8.
GB3387569A 1968-07-08 1969-07-04 Pistons for internal combustion engines Expired GB1208536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1017568A CH493739A (en) 1968-07-08 1968-07-08 Working piston of a piston internal combustion engine

Publications (1)

Publication Number Publication Date
GB1208536A true GB1208536A (en) 1970-10-14

Family

ID=4360191

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3387569A Expired GB1208536A (en) 1968-07-08 1969-07-04 Pistons for internal combustion engines

Country Status (5)

Country Link
CH (1) CH493739A (en)
DE (1) DE1751684B1 (en)
FR (1) FR2012487A1 (en)
GB (1) GB1208536A (en)
NL (1) NL6810431A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU181485U1 (en) * 2017-02-27 2018-07-16 Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Нижегородская Государственная Сельскохозяйственная Академия" (ФГБОУ ВО НГСХА) SEALING COUPLING
RU183275U1 (en) * 2017-02-27 2018-09-17 Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Нижегородская Государственная Сельскохозяйственная Академия" (ФГБОУ ВО НГСХА) SEALING PARTS

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2828749C2 (en) * 1978-06-30 1983-10-20 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Pistons for internal combustion engines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1392308A (en) * 1920-11-19 1921-10-04 Silas T Doyle Piston-ring assemblage
US1764871A (en) * 1928-07-09 1930-06-17 Harry J Hater Piston
US2851317A (en) * 1955-03-09 1958-09-09 Greifenstein Emile Raymon Rene Piston with ring groove protecting device
US3134306A (en) * 1961-09-14 1964-05-26 Cummins Engine Co Inc Piston construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU181485U1 (en) * 2017-02-27 2018-07-16 Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Нижегородская Государственная Сельскохозяйственная Академия" (ФГБОУ ВО НГСХА) SEALING COUPLING
RU183275U1 (en) * 2017-02-27 2018-09-17 Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Нижегородская Государственная Сельскохозяйственная Академия" (ФГБОУ ВО НГСХА) SEALING PARTS

Also Published As

Publication number Publication date
NL6810431A (en) 1970-01-12
FR2012487A1 (en) 1970-03-20
CH493739A (en) 1970-07-15
DE1751684B1 (en) 1971-12-09

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees