GB1254637A - Improvements in or relating to oil scraping rings having a coiled spring expander - Google Patents
Improvements in or relating to oil scraping rings having a coiled spring expanderInfo
- Publication number
- GB1254637A GB1254637A GB2213169A GB2213169A GB1254637A GB 1254637 A GB1254637 A GB 1254637A GB 2213169 A GB2213169 A GB 2213169A GB 2213169 A GB2213169 A GB 2213169A GB 1254637 A GB1254637 A GB 1254637A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- coated
- ring
- groove
- oil
- 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
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
- F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
- F16J9/061—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging using metallic coiled or blade springs
- F16J9/062—Coiled spring along the entire circumference
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
1,254,637. Piston rings. NIPPON PISTON RING K.K. 30 April, 1969, No. 22131/69. Heading F2T. In a piston ring assembly comprising an oil scraper ring 1 provided with a peripheral oil groove and circumferentially spaced oil drainage passages 11 and urged radially outwards by a coil spring expander 2 located in a groove 15 in the inner periphery of the ring 1, the working surface 3 of the ring 1 and the external surface of the expander 2 are each coated with a layer 3<SP>1</SP>, 2<SP>1</SP> of chromium in turn coated with a layer 16, 17 of a thermoplastic or thermosetting resin, e.g. P.T.F.E., the groove 15 is coated with a layer 15<SP>1</SP> of chromium and the walls 12-14 of the oil groove and drainage passages are coated with a layer 16 of said thermoplastic or thermosetting resin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2213169A GB1254637A (en) | 1969-04-30 | 1969-04-30 | Improvements in or relating to oil scraping rings having a coiled spring expander |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2213169A GB1254637A (en) | 1969-04-30 | 1969-04-30 | Improvements in or relating to oil scraping rings having a coiled spring expander |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1254637A true GB1254637A (en) | 1971-11-24 |
Family
ID=10174395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2213169A Expired GB1254637A (en) | 1969-04-30 | 1969-04-30 | Improvements in or relating to oil scraping rings having a coiled spring expander |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1254637A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1717493A1 (en) * | 2005-04-27 | 2006-11-02 | Federal-Mogul Burscheid GmbH | Helical compression spring for oil scraping piston ring |
-
1969
- 1969-04-30 GB GB2213169A patent/GB1254637A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1717493A1 (en) * | 2005-04-27 | 2006-11-02 | Federal-Mogul Burscheid GmbH | Helical compression spring for oil scraping piston ring |
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