IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0668744
(2003-09-22)
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우선권정보 |
EP-0021316 (2002-09-20) |
발명자
/ 주소 |
- Allmang, R?diger
- Wittwer, Thomas
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
5 |
초록
▼
A turbocharger comprising at least one turbine wheel supplied with exhaust gas from a combustion motor. The amount of gas supplied is determined by a fluid control arrangement to which an actuation device is assigned for generating a controlling movement for the fluid control arrangement. In additio
A turbocharger comprising at least one turbine wheel supplied with exhaust gas from a combustion motor. The amount of gas supplied is determined by a fluid control arrangement to which an actuation device is assigned for generating a controlling movement for the fluid control arrangement. In addition, a transmitting mechanism for this movement comprising an adjusting device is presented by which the control movement may be adjusted.
대표청구항
▼
1. A turbocharger (1) including:a turbine wheel (27) supplied with exhaust gas from an internal combustion engine via at least one supply channel (9), wherein the amount of supplied exhaust gas is controllable via a gas control device (4, 7, 11, 29), which is associated with an actuating device (11)
1. A turbocharger (1) including:a turbine wheel (27) supplied with exhaust gas from an internal combustion engine via at least one supply channel (9), wherein the amount of supplied exhaust gas is controllable via a gas control device (4, 7, 11, 29), which is associated with an actuating device (11) for producing a control movement to be transmitted to the gas control device (4, 7, 11, 29), as well as a transmission device (4, 5, 14, 15, 16) for transmitting the control movement of the actuating device (11) to the gas control device (4, 7, 11, 29); wherein the transmission device (4, 5, 14, 15, 16) includes an adjusting device (15, 19; V) for adjusting the control movement; wherein the transmission device (4, 5, 14, 1516) includes an abutment element (14) which is moveable along a longitudinal axis (a), against which the adjustment device (15, 19; V) engages; wherein the abutment element (14) is comprised of a first part on the actuating element side and a second part lying along the gas control device (4, 7, 11, 29) and wherein a) the fixing device (19) includes at least one internal threading (19) of the second part (16 or 15) for receiving the external threading of the first part (15 or 16), via which the adjustment occurs, b) wherein the internal threading (19) is a threaded nut mounted (19) rotatable on an associated abutment piece (16), c) which is rotatably mounted in the hollow space (18) of the abutment piece (16) and in its axial position is axially located by at least one wall segment (21a, 21b) extending perpendicular to the longitudinal axis (a) of the abutment piece (16), d) which is formed by at least one wall recess (20a, 20b) in the hollow space (18) of the abutment piece (16), and e) wherein the wall recess (20a, 20b) has a through-hole whereby a part of the circumference of the threaded nut (19) projects outwards for adjustment. 2. The turbocharger (1) according to claim 1, further including at least one of the following characteristics:a) the adjusting device (15, 19; V) is a length adjusting device for adjusting the effective length of at least one element (14) of the transmission device (4, 5, 14, 15, 16); b) the adjusting device (15, 19; V) includes a manually operated and fixable adjusting element (19; V). 3. The turbocharger (1) according to claim 1 wherein the transmission device (4, 5, 14, 1516) includes an abutment element (14) which is moveable along a longitudinal axis (a), against which the adjustment device (15, 19; V) engages.4. The turbocharger (1) according to claim 3, further including at least one of the following features:a) the gas control device (4, 7, 11, 29) includes a guide array (7) of variable turbine geometry and is connected with this guide array (7) via at least one adjusting lever (4), wherein the adjusting lever (4) is adjustable by the actuating element (11) via the abutment element (14); b) the actuating element (11) includes a control housing (12) extending along an axis (A) with an actuating element incorporated therein (13), and the abutment element extends out of the control housing (11) approximately along this axis (A), from the actuating element (11) on its end to a adjustment device (4) of the gas control device (7, 29) on the other end; c) the actuating element (11) includes an actuating membrane operable via a positive or negative pressure. 5. A turbocharger (1) including:a turbine wheel (27) supplied with exhaust gas from an internal combustion engine via at least one supply channel (9), wherein the amount of supplied exhaust gas is controllable via a gas control device (4, 7, 11, 29), which is associated with an actuating device (11) for producing a control movement to be transmitted to the gas control device (4, 7, 11, 29), as well as a transmission device (4, 5, 14, 15, 16) for transmitting the control movement of the actuating device (11) to the gas control device (4, 7, 11, 29); wherein the transmission device (4, 5, 14, 15, 16) includes an adjusting device (15, 19; v) for adjusting the control movement; wherein the transmission device (4, 5, 14, 1516) includes an abutment element (14) which is moveable along a longitudinal axis (a), against which the adjustment device (15, 19; V) engages; and wherein the abutment element (14) is comprised of a first part on the actuating element side and a second part lying along the gas control device (4, 7, 11, 29), of which the first part (15 or 16) receives the second part (16 or 15) in a hollow space (18) adjustable and fixable via a fixing device (19). 6. The turbocharger (1) according to claim 5, whereina) the fixing device (19) includes at least one internal threading (19) of the second part (16 or 15) for receiving the external threading of the first part (15 or 16), via which the adjustment occurs, b) the internal threading (19) is a threaded nut mounted rotatable on an associated abutment piece (16), c) which are rotatably mounted in the hollow space (18) of the abutment piece (16) and in their axial position are axially located by at least one wall segment (21a, 21b) extending perpendicular to the longitudinal axis (a) of the abutment piece (16), d) which is formed by at least one wall recess (20a, 20b) in the hollow space (18) of the abutment piece (16), e) wherein the wall recess (20a, 20b) in certain cases for forming an opening has a through-hole whereby a part of the circumference of the threaded nut (19) projects outwards for adjustment. 7. A turbocharger (1) including:a turbine wheel (27) supplied with exhaust gas from an internal combustion engine via at least one supply channel (9), wherein the amount of supplied exhaust gas is controllable via a gas control device (4, 7, 11, 29), which is associated with an actuating device (11) for producing a control movement to be transmitted to the as control device (4, 7, 11, 29), as well as a transmission device (4, 5, 14, 15, 16) for transmission the control movement of the actuating device (11) to the gas control device (4, 7, 11, 29); wherein the transmission device (4, 5, 14, 15, 16) includes an adjusting device (15, 19; V) for adjusting the control movement; wherein the transmission device (4, 5, 14, 1516) includes an abutment element (14) which is moveable along a longitudinal axis (a), against which the adjustment device (15, 19; V) engages; and wherein the abutment element (14) is comprised of at least two circumferenced parts (16a, 16b) extending about its longitudinal axis (a), which are rigidly connected with each other to form an essentially closed hollow space (18). 8. The turbocharger (1) according to claim 7, further including at least one of the following characteristics:a) the at least two circumferenced parts (16a, 16b) extending around a longitudinal axis (a) are press or punch parts; b) the at least two circumferenced parts (16a, 16b) extending around a longitudinal axis (a) together form a cylindrical shape; c) the at least two circumferenced parts (16a, 16b) are connected with each other by a material connection (26) free of connecting parts and are welded to each other. 9. The turbocharger (1) according to claim 7 wherein the hollow space (18) faces the actuating element (11) against which the actuating device (11) opposing end of the abutment element (14) is connected with an adjustment element (4) of the gas control device (4, 7, 11, 29).10. The turbocharger (1) according to claim 9 wherein the at least two circumferenced parts (16a, 16b) extending about the longitudinal axis (a) in the connection to the hollow space (18) include an at least partially flat surface lying against connecting segment (22a, 22b),wherein the connecting segment (22a, 22b) includes an opening (23) bordered by a spherically-shaped wall segment (24) for bearing a bearing body such as an arc shaped body (17a) with a thereto rigidly connected pivot pin (17b) for transmission of the movement of the abutment element (14) upon a control element (4) of the gas control device (4, 7, 11, 29) or wherein the connecting segment (22a, 22b) continues with a seam (25) on the side of the hollow space (18).
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