JPS5444117A - Low noise engine for cars - Google Patents
Low noise engine for carsInfo
- Publication number
- JPS5444117A JPS5444117A JP11016377A JP11016377A JPS5444117A JP S5444117 A JPS5444117 A JP S5444117A JP 11016377 A JP11016377 A JP 11016377A JP 11016377 A JP11016377 A JP 11016377A JP S5444117 A JPS5444117 A JP S5444117A
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- divided boss
- crank shaft
- divided
- boss 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/008—Sound insulation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
PURPOSE:To reduce noise by supporting a crank shaft by a divided boss for bearing arranged in an united body on the lower surface of a cylinder block and a bearing frame which has divided boss for bearing. CONSTITUTION:On the lower surface of a cylinder block 2, a divided boss part 4 for bearing is installed in an united body, positioned between each cylinder, and an under frame 6 formed on the lower surface of a bearing frame 3 having a divided boss part 5 for bearing correspoinding to the divided boss part 4 is connected with each divided boss part 5. A crank shaft is retained by said upper and lower divided boss parts 4 and 5. Accordingly, the flexural rigidity in the axial direction of the crank shaft is improved remarkably, and even if the repulsive force of bending vibration acts on the crank shaft, the vibration of the engine body is reduced remarkably, and the noise due to the vibration in relaxively low frequency range can be reduced.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11016377A JPS5444117A (en) | 1977-09-13 | 1977-09-13 | Low noise engine for cars |
US05/920,783 US4245595A (en) | 1977-09-13 | 1978-06-30 | Internal combustion engine for motor vehicles |
DE19782839885 DE2839885A1 (en) | 1977-09-13 | 1978-09-13 | QUIET COMBUSTION ENGINE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11016377A JPS5444117A (en) | 1977-09-13 | 1977-09-13 | Low noise engine for cars |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5444117A true JPS5444117A (en) | 1979-04-07 |
JPS6146657B2 JPS6146657B2 (en) | 1986-10-15 |
Family
ID=14528638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11016377A Granted JPS5444117A (en) | 1977-09-13 | 1977-09-13 | Low noise engine for cars |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5444117A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56156947U (en) * | 1980-04-21 | 1981-11-24 | ||
EP0054246A1 (en) * | 1980-12-12 | 1982-06-23 | Nissan Motor Co., Ltd. | Internal combustion engine with bearing beam structure |
CN109026429A (en) * | 2018-07-23 | 2018-12-18 | 中船动力有限公司 | High-power marine engine noise reducer |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62256696A (en) * | 1986-04-30 | 1987-11-09 | カシオ計算機株式会社 | Ic card |
JPH01104380U (en) * | 1987-12-28 | 1989-07-13 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4724486U (en) * | 1971-04-12 | 1972-11-18 | ||
JPS522005U (en) * | 1975-06-24 | 1977-01-08 | ||
JPS5360416A (en) * | 1976-11-12 | 1978-05-31 | Mitsubishi Motors Corp | Vibration preventing structure for reciprocating engine |
-
1977
- 1977-09-13 JP JP11016377A patent/JPS5444117A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4724486U (en) * | 1971-04-12 | 1972-11-18 | ||
JPS522005U (en) * | 1975-06-24 | 1977-01-08 | ||
JPS5360416A (en) * | 1976-11-12 | 1978-05-31 | Mitsubishi Motors Corp | Vibration preventing structure for reciprocating engine |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56156947U (en) * | 1980-04-21 | 1981-11-24 | ||
JPS6320847Y2 (en) * | 1980-04-21 | 1988-06-09 | ||
EP0054246A1 (en) * | 1980-12-12 | 1982-06-23 | Nissan Motor Co., Ltd. | Internal combustion engine with bearing beam structure |
US4445472A (en) * | 1980-12-12 | 1984-05-01 | Nissan Motor Co., Ltd. | Internal combustion engine with bearing beam structure |
CN109026429A (en) * | 2018-07-23 | 2018-12-18 | 中船动力有限公司 | High-power marine engine noise reducer |
CN109026429B (en) * | 2018-07-23 | 2020-10-27 | 中船动力有限公司 | High-power marine engine noise reduction device |
Also Published As
Publication number | Publication date |
---|---|
JPS6146657B2 (en) | 1986-10-15 |
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