JPS55119216A - Low noise engine - Google Patents
Low noise engineInfo
- Publication number
- JPS55119216A JPS55119216A JP2635579A JP2635579A JPS55119216A JP S55119216 A JPS55119216 A JP S55119216A JP 2635579 A JP2635579 A JP 2635579A JP 2635579 A JP2635579 A JP 2635579A JP S55119216 A JPS55119216 A JP S55119216A
- Authority
- JP
- Japan
- Prior art keywords
- circular ring
- ring unit
- crankshaft
- bearing metal
- journal part
- 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.)
- Pending
Links
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
PURPOSE: To reduce the engine noise generated in a bearing part of the crankshaft, by interposing a circular ring unit between the bearing metal and the journal part of the crankshaft and constructing oil layer clearances respectively on inner and outer circumferential surfaces of the circular ring unit.
CONSTITUTION: The inside diameter of a bearing metal 3 is constructed in a dimension slightly larger than the outside diameter of a journal part 4a of the crankshaft 4. Between the both 3, 4a in the above, a circular ring unit 5 is interposed. The circular ring unit 5 forms a fine dimensional clearance a between its peripheral surface and an inner circumferential surface of the bearing metal 3, while a bearing metal 6 is installed to an inner circumferential surface of said unit 5. A fine dimensional clearance b is formed between the metal 6 and the peripheral surface of the journal part 4a of the shaft 4. Further ring-shaped oil grooves 7, 8 are respectively constructed on inner and outer circumferential surfaces of the circular ring unit 5, and an oil hole 9 linking those oil grooves is diametrically provided at an oppositely angular position.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2635579A JPS55119216A (en) | 1979-03-06 | 1979-03-06 | Low noise engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2635579A JPS55119216A (en) | 1979-03-06 | 1979-03-06 | Low noise engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55119216A true JPS55119216A (en) | 1980-09-12 |
Family
ID=12191159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2635579A Pending JPS55119216A (en) | 1979-03-06 | 1979-03-06 | Low noise engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55119216A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990013673A1 (en) | 1989-05-08 | 1990-11-15 | Kawasaki Steel Corporation | Process for manufacturing unidirectional silicon steel sheet excellent in magnetic properties |
-
1979
- 1979-03-06 JP JP2635579A patent/JPS55119216A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990013673A1 (en) | 1989-05-08 | 1990-11-15 | Kawasaki Steel Corporation | Process for manufacturing unidirectional silicon steel sheet excellent in magnetic properties |
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