JPS5770912A - Air intake equipment for engine - Google Patents
Air intake equipment for engineInfo
- Publication number
- JPS5770912A JPS5770912A JP55146585A JP14658580A JPS5770912A JP S5770912 A JPS5770912 A JP S5770912A JP 55146585 A JP55146585 A JP 55146585A JP 14658580 A JP14658580 A JP 14658580A JP S5770912 A JPS5770912 A JP S5770912A
- Authority
- JP
- Japan
- Prior art keywords
- high load
- suction
- passage
- load passage
- low
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
PURPOSE: To reduce a combustion noise in a high load operation range in a suction equipment divided into low and high load passages by providing a control valve in the high load passage and swirling a suction in the high load passage in the opposite direction to that in the low load passage.
CONSTITUTION: A suction port 7 is divided by a partition wall 8 into a low load passage 7a and a high load passage 7b. Disposed in the high load passage 7b, a control valve 10 is opened when a throttle valve 2 is opened to a certain extent or more. The low load passage 7a is curved upward so that a suction is swirled in the direction A in a combustion chamber 6. The high load passage 7b is curved in the opposite direction to the passage 7a so that a suction is swirled in the direction B. As the suction from the low load passage 7a may be dampened at a high load operation time, a combustion noise can be reduced.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55146585A JPS5770912A (en) | 1980-10-20 | 1980-10-20 | Air intake equipment for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55146585A JPS5770912A (en) | 1980-10-20 | 1980-10-20 | Air intake equipment for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5770912A true JPS5770912A (en) | 1982-05-01 |
Family
ID=15411029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55146585A Pending JPS5770912A (en) | 1980-10-20 | 1980-10-20 | Air intake equipment for engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5770912A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3347112A1 (en) * | 1982-12-29 | 1984-07-12 | Toyo Kogyo Co. Ltd., Hiroshima | INTAKE SYSTEM FOR A PISTON INTERNAL COMBUSTION ENGINE |
| JPH05180007A (en) * | 1991-12-27 | 1993-07-20 | Kubota Corp | Intake device for gasoline engine |
| US7707986B1 (en) | 2008-10-15 | 2010-05-04 | Gm Global Technology Operations, Inc. | Noise attenuation for internal combustion engine |
| US7712447B2 (en) | 2008-10-15 | 2010-05-11 | Gm Global Technology Operations, Inc. | Noise attenuation for internal combustion engine |
-
1980
- 1980-10-20 JP JP55146585A patent/JPS5770912A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3347112A1 (en) * | 1982-12-29 | 1984-07-12 | Toyo Kogyo Co. Ltd., Hiroshima | INTAKE SYSTEM FOR A PISTON INTERNAL COMBUSTION ENGINE |
| JPH05180007A (en) * | 1991-12-27 | 1993-07-20 | Kubota Corp | Intake device for gasoline engine |
| US7707986B1 (en) | 2008-10-15 | 2010-05-04 | Gm Global Technology Operations, Inc. | Noise attenuation for internal combustion engine |
| US7712447B2 (en) | 2008-10-15 | 2010-05-11 | Gm Global Technology Operations, Inc. | Noise attenuation for internal combustion engine |
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