GB1299900A - Piston and piston rings unit for an internal combustion engine - Google Patents

Piston and piston rings unit for an internal combustion engine

Info

Publication number
GB1299900A
GB1299900A GB6105669A GB6105669A GB1299900A GB 1299900 A GB1299900 A GB 1299900A GB 6105669 A GB6105669 A GB 6105669A GB 6105669 A GB6105669 A GB 6105669A GB 1299900 A GB1299900 A GB 1299900A
Authority
GB
United Kingdom
Prior art keywords
ring
piston
joint element
sealing joint
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
GB6105669A
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.)
SEALFIRE
Original Assignee
SEALFIRE
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
Priority claimed from FR178504A external-priority patent/FR95544E/en
Priority claimed from FR6940623A external-priority patent/FR2068020A6/fr
Application filed by SEALFIRE filed Critical SEALFIRE
Publication of GB1299900A publication Critical patent/GB1299900A/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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448—Steel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]

Landscapes

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

Abstract

1299900 Piston rings SEALFIRE 15 Dec 1969 [16 Dec 1968 25 Nov 1969] 61056/69 Heading F2T A piston and piston ring unit for an I.C. engine comprises at least one compression ring 12, Fig. 1, in a groove, a sealing joint element 14 between the ring and groove on the low pressure side, and means, such as a groove bottom. seal 15, to protect the radially-inward face of the sealing joint element from the compression pressure applied from the combustion chamber to the piston whereby outward creep of the sealing joint element towards the cylinder wall is prevented. The sealing joint element 14 may be made of P.T.F.E. with a bronze filler. The compression ring 32, Fig. 3 or the groove may be stepped and the compression ring gap may be sealed by a gap joint (79), Fig. 7 (not shown), or a gap joint 99, Fig. 9, which may be in the form of a ring or an arcuate segment and made of steel, cast iron, copper alloy, a fluorinated elastomer or P.T.F.E. mixed with bronze or glass fibre. The sealing joint element may be supported by a ring 16, Fig. 14, which may be made of steel, cast iron, bronze, or copper and silver or their alloys and formed as a continuous ring, split ring or segmental ring with or without radial cuts to increase its elasticity against the cylinder wall; relative rotation between the sealing joint element and the compression ring may be prevented by a tongue (411), Fig. 11 (not shown). The groove bottom seal may be of square, rectangular or round cross-section.
GB6105669A 1968-12-16 1969-12-15 Piston and piston rings unit for an internal combustion engine Expired GB1299900A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR178504A FR95544E (en) 1967-02-17 1968-12-16 Piston and segments assembly for internal combustion engine.
FR6940623A FR2068020A6 (en) 1969-11-25 1969-11-25

Publications (1)

Publication Number Publication Date
GB1299900A true GB1299900A (en) 1972-12-13

Family

ID=26182380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6105669A Expired GB1299900A (en) 1968-12-16 1969-12-15 Piston and piston rings unit for an internal combustion engine

Country Status (3)

Country Link
JP (1) JPS5138005B1 (en)
DE (1) DE1963090C3 (en)
GB (1) GB1299900A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430938A (en) * 1994-03-14 1995-07-11 Ford Motor Company Method of making and using a piston ring assembly
DE102011100712B4 (en) * 2011-05-06 2012-09-20 IEG - Industrie-Engineering Gesellschaft mit beschränkter Haftung Pressure-suction cylinder pump i.e. linearly fed fluid cylinder pump, has reversible flap valves arranged on front sides and circumferences of piston pipe and cylinder pipe, where piston pipe is sealed with cylinder pipe

Also Published As

Publication number Publication date
JPS5138005B1 (en) 1976-10-19
DE1963090A1 (en) 1970-11-26
DE1963090B2 (en) 1974-09-05
DE1963090C3 (en) 1975-04-24

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee