FR2334026A1 - Piston ring to reduce oil consumption - has outer concave surface forming sealing and scavenging edges (BR 10.8.76) - Google Patents
Piston ring to reduce oil consumption - has outer concave surface forming sealing and scavenging edges (BR 10.8.76)Info
- Publication number
- FR2334026A1 FR2334026A1 FR7535812A FR7535812A FR2334026A1 FR 2334026 A1 FR2334026 A1 FR 2334026A1 FR 7535812 A FR7535812 A FR 7535812A FR 7535812 A FR7535812 A FR 7535812A FR 2334026 A1 FR2334026 A1 FR 2334026A1
- Authority
- FR
- France
- Prior art keywords
- piston
- ring
- oil consumption
- piston ring
- scavenging
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 title abstract 2
- 230000002000 scavenging effect Effects 0.000 title 1
- 230000000630 rising effect Effects 0.000 abstract 1
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
- F16J9/12—Details
- F16J9/20—Rings with special cross-section; Oil-scraping rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The advantages of this piston ring design are that it improves gas sealing and reduces oil consumption in any piston driven engine. These are ached by making the face (10) of the ring in contact with the cylinder wall (4) concave. The concavity may take the form of a shallow curve or may be derived from the intersection, on the ring median plane, of two shallow angled cones. In either case, the upper edge (7) of the ring provides a good gas seal when the piston is rising in the bore and the lower edge (8) scavenges the oil from the cylinder wall when the piston is falling. The ring is otherwise similar to a standard piston ring, having parallel sides (5, 6) fitting closely in a groove in the piston (3).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2455825 | 1974-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2334026A1 true FR2334026A1 (en) | 1977-07-01 |
Family
ID=5931739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7535812A Withdrawn FR2334026A1 (en) | 1974-11-26 | 1975-11-24 | Piston ring to reduce oil consumption - has outer concave surface forming sealing and scavenging edges (BR 10.8.76) |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5171412A (en) |
| AR (1) | AR205056A1 (en) |
| BR (1) | BR7507807A (en) |
| FR (1) | FR2334026A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5627050A (en) * | 1979-08-10 | 1981-03-16 | Nissan Motor Co Ltd | Piston ring |
-
1975
- 1975-01-01 AR AR26123175A patent/AR205056A1/en active
- 1975-11-11 JP JP13476375A patent/JPS5171412A/en active Pending
- 1975-11-24 FR FR7535812A patent/FR2334026A1/en not_active Withdrawn
- 1975-11-25 BR BR7507807A patent/BR7507807A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5171412A (en) | 1976-06-21 |
| BR7507807A (en) | 1976-08-10 |
| AR205056A1 (en) | 1976-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |