[특허]Combined intercooler and flame arrester

BRP Rotax GmbH &; Co. KG

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특허 상세정보

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Combined intercooler and flame arrester

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-033/00
미국특허분류(USC)	123/563; 123/540; 165/125
출원번호	US-0734643 (2003-12-15)
발명자 / 주소	Bilek,Andreas Wolfsgruber,Alois Tscherne,Rudolf Pouillard,Jean Charles Sonnleitner,Michael
출원인 / 주소	BRP Rotax GmbH & Co. KG
대리인 / 주소	Osler, Hoskin &
인용정보	피인용 횟수 : 11 인용 특허 : 12

초록
▼

A combined flame arrester and intercooler for cooling intake gas for an internal combustion engine is disclosed. The intercooler comprises an elongated body having a longitudinal axis. The elongated body has a central passageway that extends substantially parallel to the longitudinal axis. An inlet opening is located on one end of the elongated body such that the intake gas enters the central passageway though the inlet opening. The intercooler further includes a plurality of cooling tubes forming at least a portion of the elongated body. The plurality of tubes substantially surround the central passageway. Each of the cooling tubes is spaced from an adjacent cooling tube such that an air flow path is formed there between. The intake gas is cooled by flowing past the cooling tubes. Preferably, the intake gas flows along the central passageway in the elongated body and radially outward therefrom through the air flow path between the cooling tubes. The intercooler includes at least one plate extending substantially orthogonal to the longitudinal axis. Each plate includes a central opening therein, which corresponds to the central passageway in the elongated body such that the intake gas is capable of flowing through the central opening. Each plate has a plurality of openings formed thereon about a periphery of the plate. One cooling tube is fed through each opening.

대표
청구항
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What is claimed is: 1. An induction system for supplying intake gas to at least one cylinder of an internal combustion engine, the induction system comprising: an intake manifold; and an intercooler disposed at least partially in the intake manifold for cooling the intake gas, the intercooler comprising: a body having a longitudinal axis, and a passageway formed in the body; an inlet opening located on one end of the body, wherein the intake gas enters the passageway through the inlet opening; and a plurality of cooling tubes forming at least a portion of the body, wherein the plurality of tubes at least partially surrounds the passageway, wherein each of the plurality of cooling tubes is spaced from an adjacent cooling tube such that an air flow path is formed therebetween. 2. The induction system according to claim 1, wherein the passageway is a central passageway that extends substantially parallel to the longitudinal axis. 3. The induction system according to claim 1, wherein the plurality of tubes substantially surrounds the passageway. 4. The induction system according to claim 1, wherein the intake gas flows along the passageway within the body and radially outward therefrom through the air flow path between the cooling tubes. 5. The induction system according to claim 1, wherein the plurality of cooling tubes extends substantially parallel to the longitudinal axis. 6. The induction system according to claim 1, wherein the plurality of cooling tubes comprises: a first group of cooling tubes operatively connected to a coolant inlet; and a second group of cooling tubes operatively connected to a coolant outlet, wherein the first group of cooling tubes is operatively connected to the second group of cooling tubes such that a coolant flows from the coolant inlet into the first group of cooling tubes, the coolant then flows through the first group of cooling tubes to the second group of cooling tubes, the coolant then exits the second group of cooling tubes through the coolant outlet. 7. The induction system according to claim 6, further comprising: an outlet ring connected to one end of the body, wherein the outlet ring operatively connects the first group of cooling tubes to the second group of cooling tubes such that the coolant flows from the first group of cooling tubes to the second group of cooling tubes. 8. The induction system according to claim 7, wherein the outlet ring is located on an end of the body opposite the inlet opening. 9. The induction system according to claim 6, further comprising: an inlet ring connected to one end of the body, wherein the inlet ring includes the coolant inlet and the coolant outlet. 10. The induction system according to claim 2, further comprising: at least one plate extending substantially orthogonal to the longitudinal axis, wherein each of the at least one plate includes a central opening therein, wherein the central opening corresponds to the central passageway in the body such that the intake gas is capable of flowing through the central opening. 11. The induction system according to claim 10, wherein each plate comprises a plurality of openings formed therein about a periphery of the plate, wherein one of the plurality of cooling tubes is received within a corresponding one of the plurality of openings. 12. The induction system according to claim 10, wherein the at least one plate includes a plurality of plates spaced along the longitudinal axis of the body. 13. The induction system according to claim 1, further comprising: a wire gauze extending the length of the body, the wire gauze being positioned between the passageway and the plurality of cooling tubes. 14. The induction system according to claim 1, further comprising: at least one plate extending substantially orthogonal to the longitudinal axis, wherein each of the at least one plate includes a plurality of openings formed therein for receiving one of the plurality of cooling tubes. 15. The induction system according to claim 14, wherein the at least one plate includes a plurality of plates spaced along the longitudinal axis of the body. 16. The induction system according to claim 1, further comprising a flow director surface for directing the intake gas into the passageway. 17. An internal combustion engine comprising: at least one engine cylinder having an intake port; an intake manifold for supplying intake gas to the intake port; and an intercooler for cooling the intake gas before the intake gas is supplied to the intake port, the intercooler comprising: an body having a longitudinal axis; and a plurality of cooling tubes being supplied with a coolant, wherein each of the plurality of cooling tubes is spaced from other cooling tubes disposed adjacent thereto such that a plurality of air flow paths is formed between the plurality of cooling tubes, wherein the intake gas flows through at least one of the plurality of air flow paths before flowing into the intake port of the at least one engine cylinder, the intercooler being positioned at least partially within the intake manifold. 18. The internal combustion engine according to claim 17, wherein the intercooler further comprises a passageway that extends substantially parallel to the longitudinal axis. 19. The internal combustion engine according to claim 18, wherein the plurality of cooling tubes substantially surrounds the passageway. 20. The internal combustion engine according to claim 18, wherein the at least one cylinder is at least two engine cylinders, wherein the intake manifold includes at least two intake pipes which correspond to the at least two engine cylinders, wherein the intercooler is arranged within the intake manifold such that the intake gas flows into the passageway, then radially outward away from the passageway through the plurality of air flow paths past the plurality of cooling tubes into the at least two intake pipes. 21. The internal combustion engine according to claim 20, wherein the plurality of cooling tubes comprises: a first group of cooling tubes operatively connected to a coolant inlet; and a second group of cooling tubes operatively connected to a coolant outlet, wherein the first group of cooling tubes is operatively connected to the second group of cooling tubes such that a coolant flows from the coolant inlet into the first group of cooling tubes, the coolant then flows through the first group of cooling tubes to the second group of cooling tubes, the coolant then exits the second group of cooling tubes through the coolant outlet. 22. The internal combustion engine according to claim 21, wherein the intercooler further comprises: an outlet ring connected to one end of the body, wherein the outlet ring operatively connects the first group of cooling tubes to the second group of cooling tubes such that the coolant flows from the first group of cooling tubes to the second group of cooling tubes. 23. The internal combustion engine according to claim 21, wherein the intercooler further comprises: an inlet ring connected to one end of the body, wherein the inlet ring includes the coolant inlet and the coolant outlet. 24. The internal combustion engine according to claim 19, wherein the intercooler further comprises at least one plate positioned within the body. 25. The internal combustion engine according to claim 24, wherein each of the at least one plate includes a plurality of openings formed therein for receiving one of the plurality of cooling tubes. 26. The internal combustion engine according to claim 24, wherein the at least one plate includes a plurality of plates spaced along the longitudinal axis of the body. 27. The internal combustion engine according to claim 25, wherein each of the at least one plate includes a central opening therein, wherein the central opening corresponds to a passageway in the body such that the intake gas is capable of flowing through the central opening through the passageway. 28. The internal combustion engine according to claim 27, wherein the intercooler further comprises a flow director surface for directing the intake gas into the passageway. 29. A combination of an intake manifold and an intercooler comprising: an intake manifold having at least one intake pipe configured for supplying intake gas to at least one engine cylinder; a passageway positioned within the intake manifold for supplying intake gas to the at least one intake pipe; and an intercooler at least partially positioned within the passageway, the intercooler comprising: a body having a plurality of cooling tubes located therein, wherein each of the plurality of cooling tubes is spaced from other cooling tubes disposed adjacent thereto such that a plurality of air flow paths is formed between the plurality of cooling tubes, wherein the intake gas flows through at least one of the plurality of air flow paths before flowing into the at least one intake pipe. 30. The combination according to claim 29, wherein the intercooler further comprises: at least one plate positioned within the body, wherein each of the at least one plate includes a plurality of openings formed therein for receiving one of the plurality of cooling tubes. 31. The induction system according to claim 1, further comprising a charging device disposed in the induction system upstream of the intercooler.

이 특허에 인용된 특허 (12)

이 특허를 인용한 특허 피인용횟수: 11

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Combined intercooler and flame arrester

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