[특허]Method and device for controlling an internal combustion engine that is provided with an air system

Robert Bosch GmbH

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특허 상세정보

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Method and device for controlling an internal combustion engine that is provided with an air system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02D-023/00 F02D-041/18 F02D-041/24 F02D-041/30 G01M-015/00
미국특허분류(USC)	060/601; 060/603; 060/602
출원번호	US-0169293 (2002-10-08)
우선권정보	DE-0063358 (1999-12-28)
국제출원번호	PCT/DE00/03181 (2000-09-13)
국제공개번호	WO01/48363 (2001-07-05)
발명자 / 주소	Engel, Gerhard Birk, Manfred Meier, Frank Bleile, Thomas Kraus, Benedikt Rupp, Peter Kraemer, Wolfgang
출원인 / 주소	Robert Bosch GmbH
대리인 / 주소	Kenyon & Kenyon
인용정보	피인용 횟수 : 18 인용 특허 : 6

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A device and a method for controlling an internal combustion engine with an air system are described. At least one variable characterizing the air system is determined on the basis of at least one correcting variable and/or at least one measured variable characterizing the state of the ambient air, using at least one model. The model includes at least one first and one second submodel. Using a submodel, the output variables are determined on the basis of input variables. As input variables of the first submodel, besides at least one output variable of a second submodel, the correcting variable and/or the measured variable are additionally taken into account. ear resistive coating comprises a Nitrotec coating. 12. The zero-turn transaxle as recited in claim 2, further comprising wear resistive washers, one washer being positioned between the control arm and a first one of the scissor return arms and a second one of the washers being positioned between the scissor return arms to aide in the free movement of the scissor return arms. 13. A speed adjusting mechanism for use in connection with a hydrostatic transaxle comprising a casing in which is mounted a rotating hydraulic pump in fluid communication with a rotating hydraulic motor, a moveable swash plate cooperable with the rotating pump for controlling the speed and direction of rotation of the hydraulic motor, and a trunnion arm linked to the moveable swash plate for adjusting the orientation of the swash plate, the speed adjusting mechanism comprising: a return arm adapted to be mounted to the casing in one of a plurality of different rotational orientations with respect to the trunnion arm in a position indicative of a neutral position of the trunnion arm in which the swash plate does not influence the speed and direction of rotation of the hydraulic motor; a control arm adapted to move the trunnion arm, the control arm being mated with the trunnion arm such that the return arm and the control arm are alignable to establish the neutral position of the trunnion arm; and a pair of scissor return arms adapted to move the control arm in cooperation with the return arm for the purpose of moving the trunnion arm to the neutral position. 14. The speed adjusting mechanism as recited in claim 13, wherein the return arm has a plurality of openings through which an attachment device is adapted to pass to mount the return arm to the casing. 15. The speed adjusting mechanism as recited in claim 14, wherein the plurality of openings are spaced by approximately 90 degrees. 16. The speed adjusting mechanism as recited in claim 14, wherein the plurality of openings are spaced by approximately 180 degrees. 17. The speed adjusting mechanism as recited in claim 14, wherein the attachment device comprises a bolt adapted to mate with the casing. 18. The speed adjusting mechanism as recited in claim 14, wherein the control arm has a plurality of openings adapted to engage the bolt to provide a limit to the degree of movement afforded to the control arm. 19. The speed adjusting mechanism as recited in claim 18, wherein the plurality of openings in the control arm are spaced by approximately 90 degrees. 20. The speed adjusting mechanism as recited in claim 18, wherein the plurality of openings in the control arm are spaced by approximately 180 degrees. 21. A speed adjusting mechanism for use in connection with a hydrostatic transaxle comprising a casing in which is mounted a rotating hydraulic pump in fluid communication with a rotating hydraulic motor, a moveable swash plate cooperable with the rotating pump for controlling the speed and direction of rotation of the hydraulic motor, and a trunnion arm linked to the moveable swash plate for adjusting the orientation of the swash plate, the speed adjusting mechanism comprising: a return arm adapted to be mounted to the casing; a control arm adapted to be mounted to and move the trunnion arm; a pair of scissor return arms adapted to move the control arm in cooperation with the return arm for the purpose of moving the trunnion arm to a neutral position demarked by the position of the return arm, the neutral position corresponding to a trunnion arm position in which the swash plate does not influence the speed and direction of rotation of the hydraulic motor; a first wear-resistant washer disposed between a first one of the pair of scissor return arms and the control arm; and a second wear-resistant washer disposed between the first one of the pair of scissor return arms and a second one of the pair of scissor return arms; wherein the wear-resistant washers provide a surface to free movement of the scissor return arms. 22. A speed adjusting mechanism for use in connection with a hydraulic pump carried in a casing and a trunnion arm linked to a swash plate to move the swash plate to affect fluid displacement of the hydraulic pump, the speed adjusting mechanism comprising: a return arm adapted to be mounted to the casing in one of a plurality of different rotational orientations with respect to the trunnion arm in a position indicative of a neutral position of the trunnion arm in which the swash plate does not influence the fluid displacement of the hydraulic pump; a control arm adapted to move the trunnion arm, the control arm being mated with the trunnion arm such that the return arm and the control arm are alignable to establish the neutral position of the trunnion arm; and a pair of scissor return arms adapted to move the control arm in cooperation with the return arm for the purpose of moving the trunnion arm to the neutral position. 23. The speed adjusting mechanism as recited in claim 22, wherein the return arm has a plurality of openings through which an attachment device is adapted to pass to mount the return arm to the casing. 24. The speed adjusting mechanism as recited in claim 23, wherein the plurality of openings are spaced by approximately 90 degrees. 25. The speed adjusting mechanism as recited in claim 23, wherein the plurality of openings are spaced by approximately 180 degrees. 26. The speed adjusting mechanism as recited in claim 23, wherein the attachment device comprises a bolt adapted to mate with the casing. 27. The speed adjusting mechanism as recited in claim 23, wherein the control arm has a plurality of openings adapted to engage the bolt to provide a limit to the degree of movement afforded to the control arm. 28. The speed adjusting mechanism as recited in claim 27, wherein the plurality of openings in the control arm are spaced by approximately 90 degrees. 29. The speed adjusting mechanism as recited in claim 27, wherein the plurality of openings in the control arm are spaced by approximately 180 degrees. 30. A speed adjusting mechanism for use in connection with a hydraulic pump carried in a casing and a trunnion arm linked to a swash plate to move the swash plate to affect fluid displacement of the hydraulic pump, the speed adjusting mechanism comprising: a return arm adapted to be mounted to the casing; a control arm adapted to be mounted to and move the trunnion arm; a pair of scissor return arms adapted to move the control arm in cooperation with the return arm for the purpose of moving the trunnion arm to a neutral position demarked by the position of the return arm, the neutral position corresponding to a trunnion arm position in which the swash plate does not influence the fluid displacement of the hydraulic pump; a first wear-resistant washer disposed between a first one of the pair of scissor return arms and the control arm; and a second wear-resistant washer disposed between the first one of the pair of scissor return arms and a second one of the pair of scissor return arms; wherein the wear-resistant washers provide a surface to free movement of the scissor return arms. US-6279319, 20010800, Conrad, 060/520; US-6282895, 20010900, Johansson et al., 060/524; US-6286310, 20010900, Conrad, 060/520; US-6293101, 20010900, Conrad, 060/520; US-6311490, 20011100, Conrad, 060/520; US-6311491, 20011100, Conrad, 060/520; US-20020029567, 20020300, Kamen et al., 060/517

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이 특허를 인용한 특허 피인용횟수: 18

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Method and device for controlling an internal combustion engine that is provided with an air system

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Method and device for controlling an internal combustion engine that is provided with an air system

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