IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0876746
(2004-06-25)
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우선권정보 |
JP-2003-189220(2003-07-01); JP-2004-144115(2004-05-13) |
발명자
/ 주소 |
- Ishikawa,Yuzuru
- Kinoshita,Yoshiteru
- Kudo,Takashi
- Hanai,Toshinori
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
6 인용 특허 :
1 |
초록
▼
An intake system for a vehicle engine includes an air cleaner and a plurality of throttle bodies. The air cleaner encases an air cleaner element in an air cleaner housing for filtering air flowing from an unfiltered air chamber to a filtered air chamber of the air cleaner housing. The throttle bodie
An intake system for a vehicle engine includes an air cleaner and a plurality of throttle bodies. The air cleaner encases an air cleaner element in an air cleaner housing for filtering air flowing from an unfiltered air chamber to a filtered air chamber of the air cleaner housing. The throttle bodies control the amount of air supplied from the filtered air chamber to a cylinder head. Operating noise of the throttle bodies is minimized by situating the throttle bodies within the air cleaner housing. Operating noise of fuel injectors associated with the throttle bodies is minimized by situating the fuel injectors within the air cleaner housing.
대표청구항
▼
Having thus, described the invention, what is claimed is: 1. An intake system for a vehicle engine, said intake system comprising an air cleaner and a plurality of throttle bodies, wherein the air cleaner comprises an air cleaner housing and an air cleaner element disposed in the air cleaner housin
Having thus, described the invention, what is claimed is: 1. An intake system for a vehicle engine, said intake system comprising an air cleaner and a plurality of throttle bodies, wherein the air cleaner comprises an air cleaner housing and an air cleaner element disposed in the air cleaner housing, the air cleaner housing having an interior that is divided into an unfiltered air chamber and a filtered air chamber, wherein the air cleaner element is positioned within the air cleaner housing so as to filter air flowing therethrough from the unfiltered air chamber to the filtered air chamber, and wherein the throttle bodies control the amount of air supplied from said filtered air chamber to a cylinder head; wherein each of the throttle bodies comprises a substantially cylindrical pipe having a hollow bore formed therein, and a throttle valve including a throttle plate which is pivotally mounted inside the hollow bore of the throttle body; and wherein said throttle valves of said throttle bodies are situated inside of said air cleaner housing. 2. The intake system for a vehicle engine according to claim 1, wherein said unfiltered air chamber is formed such that a portion of the unfiltered air chamber functions as a suction chamber. 3. The intake system for a vehicle engine according to claim 1, wherein said throttle bodies are disposed in said unfiltered air chamber. 4. The intake system for a vehicle engine according to claim 3, wherein the throttle bodies have throttle cables extending therefrom, and wherein the throttle cables extending from said throttle bodies extend outside the air cleaner housing by passing through a first opening in said air cleaner housing proximate the unfiltered air chamber thereof. 5. The intake system for a vehicle engine according to claim 4, further comprising a cable grommet mounted within said first opening in the air cleaner housing proximate the unfiltered air chamber, and wherein said throttle cables are inserted through said cable grommet. 6. The intake system for a vehicle engine according to claim 5, further comprising a harness grommet, and a plurality of fuel injectors disposed in said unfiltered air chamber, wherein a fuel pipe for supplying fuel to said injectors, and conductors connected to said injectors are each drawn outside the air cleaner housing by passing through a second opening in said air cleaner housing proximate the unfiltered air chamber thereof, and wherein said harness grommet is mounted within said second opening in said air cleaner, and said fuel pipe and conductors are inserted through said harness grommet. 7. An intake system for a vehicle engine, said intake system comprising an air cleaner and a plurality of throttle bodies, wherein the air cleaner comprises an air cleaner housing and an air cleaner element disposed in the air cleaner housing, the air cleaner housing having an interior that is divided into an unfiltered air chamber and a filtered air chamber, wherein the air cleaner element is positioned within the air cleaner housing so as to filter air flowing therethrough from the unfiltered air chamber to the filtered air chamber; wherein the throttle bodies control the amount of air supplied from said filtered air chamber to a cylinder head; and wherein said throttle bodies are at least partially situated in said air cleaner housing; wherein said air cleaner housing includes a first, a second, and a third housing section, wherein each throttle body forms part of an intake subassembly, wherein each intake subassembly is connected to a cylinder head, wherein the first, the second, and the third housing sections are connected such that said second housing section is positioned between said first and third housing sections; wherein said first housing section is supported on the intake subassemblies; wherein said air cleaner element can be inserted into said first and second housing sections when said first and second housing sections are mutually connected but when said third housing section is removed, and wherein said air cleaner element is supported in the air cleaner housing between the third housing section and the second housing section. 8. The intake system for a vehicle engine according to claim 1, wherein a cover portion of said air cleaner housing is formed by a bottom plate of a fuel tank. 9. The intake system for a vehicle engine according to claim 1, wherein said air cleaner clement is arranged at a top portion of said unfiltered air chamber. 10. The intake system for a vehicle engine according to claim 2, wherein said throttle bodies are disposed in said unfiltered air chamber. 11. An air intake system for an engine of a vehicle, said intake system comprising an air cleaner and at least one intake subassembly comprising a throttle body, an air duct pipe, and an air intake funnel, wherein said at least one intake subassembly is adapted to be mounted to a cylinder head of an engine, the air cleaner comprises an air cleaner housing and an air cleaner element, the air cleaner housing divided into an unfiltered air chamber and a filtered air chamber, the air cleaner element supported within the air cleaner housing such that air is filtered as it flows therethrough from the unfiltered air chamber into the filtered air chamber; wherein the throttle body and the air intake funnel are entirely disposed inside of the air cleaner housing. 12. The air intake system of claim 11, further comprising a fuel injector operatively attached to said throttle body, said fuel injector also being disposed within the air cleaner housing. 13. The air intake system of claim 12, wherein the throttle body is disposed within the unfiltered air chamber. 14. The air intake system of claim 13, wherein the unfiltered air chamber is formed and configured such that a portion thereof functions as a suction chamber. 15. The air intake system of claim 11, wherein the throttle body is disposed within the filtered air chamber. 16. The air intake system of claim 12, wherein the air cleaner housing comprises a first housing section, a second housing section, and a third housing section, wherein the second housing section is substantially tubular in shape, and the third housing section has mutually opposing sides, a closed lower end, and an open upper end, the second housing section being fixed to the open upper end of the third housing section, the second housing section being detachably secured to the first housing section to allow insertion of the air cleaner element into the air cleaner housing; and wherein when in use, the first housing section is secured to the second housing section such that it covers the air cleaner element and the air cleaner element is housed within the air cleaner housing. 17. The air intake system of claim 16, wherein a partition is used to divide the filtered air chamber from the unfiltered air chamber, and wherein the partition is supported in the air cleaner housing at a position above the throttle body. 18. The air intake system of claim 16, further comprising a first fuel injector mounted on the throttle body for injecting fuel thereinto, and wherein said first fuel injector is disposed within the unfiltered air chamber of the air cleaner housing. 19. The air intake system of claim 16, further comprising a first fuel injector mounted on the throttle body for injecting fuel thereinto, and wherein said first fuel injector is disposed within the filtered air chamber within the air cleaner housing. 20. The air intake system of claim 11, wherein the first housing section is firmed by the underside of a fuel tank. 21. An intake system for a vehicle engine, said intake system comprising an air cleaner, a plurality of throttle bodies, and a plurality of fuel injectors, wherein the air cleaner comprises an air cleaner housing and an air cleaner element disposed in the air cleaner housing, the air cleaner housing having an interior that is divided into an unfiltered air chamber and a filtered air chamber, wherein the air cleaner element is positioned within the air cleaner housing so as to filter air flowing therethrough from the unfiltered air chamber to the filtered air chamber, and wherein the throttle bodies control the amount of air supplied from said filtered air chamber to a cylinder head; wherein said throttle bodies are at least partially situated in said air cleaner housing; and wherein each of said throttle bodies has one of said fuel injectors operatively attached thereto inside of said air cleaner housing.
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