EP1347157B1 - Echangeur de pression dynamique à ondes - Google Patents

Echangeur de pression dynamique à ondes Download PDF

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Publication number
EP1347157B1
EP1347157B1 EP02006066A EP02006066A EP1347157B1 EP 1347157 B1 EP1347157 B1 EP 1347157B1 EP 02006066 A EP02006066 A EP 02006066A EP 02006066 A EP02006066 A EP 02006066A EP 1347157 B1 EP1347157 B1 EP 1347157B1
Authority
EP
European Patent Office
Prior art keywords
pressure
pressure exhaust
channel
exhaust channel
duct
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.)
Expired - Lifetime
Application number
EP02006066A
Other languages
German (de)
English (en)
Other versions
EP1347157A1 (fr
Inventor
Urs Wenger
Roger Martin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Swissauto Engineering SA
Original Assignee
Swissauto Engineering SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to EP02006066A priority Critical patent/EP1347157B1/fr
Application filed by Swissauto Engineering SA filed Critical Swissauto Engineering SA
Priority to DE50204848T priority patent/DE50204848D1/de
Priority to ES02006066T priority patent/ES2252338T3/es
Priority to AT02006066T priority patent/ATE309455T1/de
Priority to AU2003200866A priority patent/AU2003200866A1/en
Priority to US10/384,898 priority patent/US7080633B2/en
Priority to JP2003074333A priority patent/JP4335558B2/ja
Publication of EP1347157A1 publication Critical patent/EP1347157A1/fr
Application granted granted Critical
Publication of EP1347157B1 publication Critical patent/EP1347157B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F13/00—Pressure exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/32—Engines with pumps other than of reciprocating-piston type
    • F02B33/42—Engines with pumps other than of reciprocating-piston type with driven apparatus for immediate conversion of combustion gas pressure into pressure of fresh charge, e.g. with cell-type pressure exchangers

Definitions

  • the invention relates to a gas-dynamic Pressure wave machine according to the preamble of claim 1.
  • EP-B-885 352 discloses a method which it in a standard pressure wave machine with a so-called Waste gate allows excess high pressure exhaust gas, e.g. in the partial load range of the internal combustion engine, from Redirect high-pressure exhaust gas channel in the low-pressure exhaust duct and thus to lower the pressure in front of the pressure wave machine. Then the pressure drops after the pressure wave machine and thus the pressure in the intake passage of the internal combustion engine.
  • opening the waste gate does not existing inflow to the gas pocket, in addition to blowing off Excess high pressure exhaust gas a collapse of the Flushing the rotor of the pressure wave machine. This causes in the worst case even a recirculation of the exhaust gas in the intake duct of the internal combustion engine and in any case a significant deterioration of the Compression efficiency of the pressure wave machine.
  • FIG. 1 shows a development of the rotor of FIG gas dynamic pressure wave machine 2 with the Combustion engine 1, the high pressure exhaust duct 3 and the Low-pressure exhaust duct 4 including the purge air S, the rotor 6 with the individual cells 18, the fresh air inlet 8, or low pressure fresh air supply channel 14, the high pressure charge air duct 10, which merges into the charge air duct 11 and leads to the internal combustion engine 1.
  • the pressure wave machine with known Methods, such as characteristics method and Design calculations, by the combustion engine manufacturer desired point, usually at nominal speed of the Motors, optimally designed, this being either without pockets or with one or two or all three pockets can happen.
  • the gas pocket 21 located as For example, in the aforementioned CH-A-681 738 is available.
  • This gas pocket and especially the there necessarily existing web 21 A between the high-pressure exhaust passage and gas pocket generates additional losses, especially if at low to medium speeds, Temperatures and flow rates usually blow off is unnecessary.
  • Figures 3 to 6a of the present invention relate also on the influence of the high pressure exhaust stream.
  • Figures 3 and 3A of the present Invention is the unwound rotor 40 with the cells 41st and, in contrast to the gas pocket 21 in FIG. 2, a serving as a gas pocket recess 48 in the gas housing 34th provided, which are changed by a slider 49 can, as indicated by the arrow 50.
  • the slider 49 is fully engaged in the arrow direction, so that the high-pressure exhaust duct is widened without a Footbridge has emerged.
  • the slider so be moved, that the high-pressure exhaust duct masses widened until the pressure in it has dropped so far is that generated by the pressure wave process Boost pressure drops to the desired level.
  • FIG. 4 and 4A is a variant of the slider shown, which is a pivotable part 51st act, which is hinged to a hinge 52 and through a similar control electronics can be moved as above, which causes a widening 53 of the exhaust high-pressure channel.
  • 3A is a valve 58 schematically in Figure 5, 5A represented as e.g. in CH-A-681 738 for control the gas pocket inflow is used.
  • 5A represented as e.g. in CH-A-681 738 for control the gas pocket inflow is used.
  • the valve 58 is then opened further and a line 56 is released.
  • This line 56 is over a suitable connection channel with the low pressure exhaust duct 35 connected.
  • This line 56 can now be a additional exhaust gas directly into the practically under Ambient pressure low pressure exhaust passage 35th be blown off. This reduces the pressure in the high pressure exhaust duct 31 to the desired lower level.
  • FIGS. 6 and 6A schematically show a roller 59 as shown in similar form in EP-A-0 210 328 is used to control the gas pocket inflow. Also Here, the roller 59 is only moved so far that a sufficient large proportion of high-pressure exhaust 31 to maintain the Rotor purge is diverted in the broadening 53.
  • the roller 59 is then rotated further and gives the Connecting channel 57 free.
  • the connecting channel 57 is with connected to the low pressure exhaust passage 35.
  • an additional amount of exhaust gas can be used directly in the practical under ambient pressure low pressure exhaust duct 35th be blown off. This reduces the pressure in the high pressure exhaust duct 31 to the desired lower level.
  • the same measures can be applied to previously known other methods for controlling the high pressure exhaust stream be made in the gas pockets.
  • control technology ensures that the first Exhaust gas flow from the high pressure exhaust duct either through a Broadening of the high-pressure exhaust passage 31 as in the Figures 4A and 5A shown, or by a partial Redirecting the exhaust gas flow is conducted into the gas pocket, before the additional control organ the further opening directly from the high pressure exhaust passage 31 into the low pressure exhaust passage 35 releases.
  • This control technique becomes the Maintaining the rotor flush needed.
  • the pressure wave machine according to the invention makes it possible over the entire area of the map of a Internal combustion engine both the negative pressure difference and thus the increased expulsion work of the internal combustion engine so to keep low as possible, as well as the Abblasemenge so far as to increase the pressure in the high-pressure exhaust duct as far as can be lowered, that the pressure in the Charge air duct can be reduced so far that a partial closure of the throttle valve Internal combustion engine can be omitted in the partial load range.
  • the Effectiveness of the invention is given in particular when can be guaranteed that a sufficiently large Exhaust gas quantity first by increasing the high-pressure exhaust gas duct 31, or through the gas pockets, directly into the Rotor is blown off, otherwise the pressure wave process is disturbed and thus the flushing of the rotor collapses and unwanted exhaust gas is passed to the engine. This is by suitable control technical design of the invention sure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Control Of Fluid Pressure (AREA)

Claims (6)

  1. Machine à ondes de pression gazodynamique destinée à acheminer de l'air de suralimentation vers un moteur à combustion interne, comportant un rotor (6, 40) présentant des cellules (18, 41), une gaine d'acheminement d'air frais basse pression (14), une gaine d'air de suralimentation haute pression (10) conduisant au moteur à combustion interne (1), une gaine d'échappement haute pression (3, 31) venant du moteur à combustion interne et une gaine d'échappement basse pression (4, 35), la gaine d'échappement haute pression (3, 31) et la gaine d'échappement basse pression (4, 35) étant disposées dans un caisson à gaz (24, 34) et la gaine d'acheminement d'air frais basse pression (14) et la gaine d'air de suralimentation haute pression (10) étant disposées dans un caisson à air, la gaine d'échappement haute pression (3, 31) présentant, côté rotor, un agrandissement (21, 48, 53) d'où une conduite by-pass (54-57) conduit à la gaine d'échappement basse pression (4, 35),
    caractérisé en ce que
    la conduite by-pass (54-57) est réglée de manière à maintenir le processus d'ondes de pression par l'intermédiaire de moyens appropriés de telle façon qu'une partie du flux d'échappement provenant de la gaine d'échappement haute pression (3, 31) soit toujours amenée d'abord dans l'agrandissement (21 ; 48 ; 53) avant que, dans la conduite (54-57), d'autres gaz d'échappement soient acheminés, depuis la gaine d'échappement haute pression (3, 31) vers la gaine d'échappement basse pression (4 ; 35), l'agrandissement (21 ; 48 ; 53) étant constitué d'un évidement (48) côté rotor ou d'un élargissement (53) qui présente des moyens (49, 51, 58, 59) pour modifier cet agrandissement (21 ; 48 ; 53) sans former d'entretoise, et les moyens de modification de l'agrandissement (21, 48, 53) étant conformés de manière à ce que l'ouverture de la conduite by-pass (54-57) puisse être modifiée elle aussi.
  2. Machine à ondes de pression gazodynamique selon la revendication 1,
    caractérisée en ce que
    l'ouverture de la conduite (54-57) peut être modifiée par un élément de réglage.
  3. Machine à ondes de pression gazodynamique selon la revendication 2,
    caractérisée en ce que
    l'élément de réglage est réglé par microprocesseur.
  4. Machine à ondes de pression gazodynamique selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que
    les moyens de modification de l'évidement (48) et de l'ouverture de la conduite (56) présentent une soupape (58), la poursuite du mouvement de la soupape permettant de faire passer d'abord une partie suffisamment importante du flux d'échappement dans l'évidement (48) et un autre mouvement de la soupape de libérer également la conduite (56) dans la gaine d'échappement basse pression.
  5. Machine à ondes de pression gazodynamique selon l'une quelconque des revendications 1 à 4,
    caractérisée en ce que
    les moyens de modification de l'élargissement (53) de la gaine d'échappement haute pression et de l'ouverture de la conduite (57) présentent un rouleau (59) qui est piloté de manière à faire passer d'abord une partie suffisamment importante du flux d'échappement dans l'élargissement (53) et à libérer également la conduite (57) dans la gaine d'échappement basse pression en cas de poursuite de la rotation.
  6. Machine à ondes de pression gazodynamique selon l'une quelconque des revendications 1 à 5,
    caractérisée en ce qu'
    elle présente un dispositif pour régler une dérivation de la gaine d'échappement haute pression vers l'agrandissement ou vers la gaine à poches de gaz.
EP02006066A 2002-03-18 2002-03-18 Echangeur de pression dynamique à ondes Expired - Lifetime EP1347157B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE50204848T DE50204848D1 (de) 2002-03-18 2002-03-18 Gasdynamische Druckwellenmaschine
ES02006066T ES2252338T3 (es) 2002-03-18 2002-03-18 Sobrealimentador por ondas de presion gasodinamico.
AT02006066T ATE309455T1 (de) 2002-03-18 2002-03-18 Gasdynamische druckwellenmaschine
EP02006066A EP1347157B1 (fr) 2002-03-18 2002-03-18 Echangeur de pression dynamique à ondes
AU2003200866A AU2003200866A1 (en) 2002-03-18 2003-03-06 Gas-dynamic pressure wave machine
US10/384,898 US7080633B2 (en) 2002-03-18 2003-03-07 Gas-dynamic pressure wave machine
JP2003074333A JP4335558B2 (ja) 2002-03-18 2003-03-18 ガス・ダイナミック圧力波過給機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02006066A EP1347157B1 (fr) 2002-03-18 2002-03-18 Echangeur de pression dynamique à ondes

Publications (2)

Publication Number Publication Date
EP1347157A1 EP1347157A1 (fr) 2003-09-24
EP1347157B1 true EP1347157B1 (fr) 2005-11-09

Family

ID=27771847

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02006066A Expired - Lifetime EP1347157B1 (fr) 2002-03-18 2002-03-18 Echangeur de pression dynamique à ondes

Country Status (7)

Country Link
US (1) US7080633B2 (fr)
EP (1) EP1347157B1 (fr)
JP (1) JP4335558B2 (fr)
AT (1) ATE309455T1 (fr)
AU (1) AU2003200866A1 (fr)
DE (1) DE50204848D1 (fr)
ES (1) ES2252338T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010048345A1 (de) 2010-10-13 2012-04-19 Daimler Ag Druckwellenmaschine, insbesondere Druckwellenlader für eine Verbrennungskraftmaschine sowie Verbrennungskraftmaschine

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006020522A1 (de) 2006-05-03 2007-11-08 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine
US20130037008A1 (en) * 2010-04-20 2013-02-14 Toyota Jidosha Kabushiki Kaisha Pressure wave supercharger
DE102010054505B4 (de) * 2010-12-14 2014-06-12 Benteler Automobiltechnik Gmbh Druckwellenladeranordnung und Verfahren zum Betreiben einer Druckwellenladeranordnung
EP2837824B1 (fr) * 2013-08-15 2015-12-30 Danfoss A/S Machine hydraulique, en particulier échangeur de pression hydraulique
CN106321291A (zh) * 2015-07-07 2017-01-11 上海汽车集团股份有限公司 排量可调节的压力波增压器
US10724450B2 (en) * 2016-07-18 2020-07-28 Aerodyn Combustion LLC Enhanced pressure wave supercharger system and method thereof
DE102019208045B4 (de) * 2019-06-03 2023-05-11 Ford Global Technologies, Llc Mittels Comprex-Lader aufgeladene Brennkraftmaschine

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
US4488532A (en) * 1981-11-30 1984-12-18 Bbc Brown, Boveri & Company, Limited Gas-dynamic pressure wave machine with exhaust gas bypass
EP0123990B1 (fr) * 1983-05-02 1986-12-30 BBC Brown Boveri AG Dispositif de réglage d'un appareil de suralimentation à ondes de pression
CH666521A5 (de) 1985-04-30 1988-07-29 Bbc Brown Boveri & Cie Druckwellenlader fuer einen verbrennungsmotor mit einer einrichtung zur steuerung des hochdruckabgasstromes.
CH667696A5 (de) * 1985-06-26 1988-10-31 Bbc Brown Boveri & Cie Verbrennungsmotor mit einem druckwellenlader.
ATE53891T1 (de) * 1986-02-28 1990-06-15 Bbc Brown Boveri & Cie Durch die gaskraefte angetriebener, freilaufender druckwellenlader.
US4928640A (en) * 1989-07-20 1990-05-29 Siemens-Bendix Automotive Electronics L.P. Autocalibration of camshaft phasing feedback in a variable valve timing system
US5107804A (en) * 1989-10-16 1992-04-28 Borg-Warner Automotive Transmission & Engine Components Corporation Variable camshaft timing for internal combustion engine
US5172659A (en) * 1989-10-16 1992-12-22 Borg-Warner Automotive Transmission & Engine Components Corporation Differential pressure control system for variable camshaft timing system
US5002023A (en) * 1989-10-16 1991-03-26 Borg-Warner Automotive, Inc. Variable camshaft timing for internal combustion engine
US5361735A (en) * 1989-10-16 1994-11-08 Borg-Warner Automotive Transmission & Engine Components Corporation Belt driven variable camshaft timing system
CH681738A5 (fr) 1989-11-16 1993-05-14 Comprex Ag
JP3089689B2 (ja) * 1991-03-20 2000-09-18 スズキ株式会社 シリンダヘッドのオイル通路構造
US5196793A (en) * 1991-07-24 1993-03-23 Delco Electronics Corporation Crankshaft position voltage developing apparatus having a voltage clamp
FR2681425B1 (fr) * 1991-09-12 1993-11-26 Renault Regie Nale Usines Procede et dispositif de mesure du couple d'un moteur thermique a combustion interne.
US5289805A (en) * 1992-03-05 1994-03-01 Borg-Warner Automotive Transmission & Engine Components Corporation Self-calibrating variable camshaft timing system
US5497738A (en) * 1992-09-03 1996-03-12 Borg-Warner Automotive, Inc. VCT control with a direct electromechanical actuator
ATE188274T1 (de) 1996-03-05 2000-01-15 Swissauto Eng Sa Otto-motor mit druckwellenlader
DE59711033D1 (de) 1997-08-29 2003-12-24 Swissauto Eng Sa Gasdynamische Druckwellenmaschine
US5842860A (en) 1997-09-05 1998-12-01 Funt; Lawrence A. Medical reservoir system
EP1203872A1 (fr) * 2000-11-01 2002-05-08 BorgWarner Inc. Turbocompresseur à soupape de dérivation pouvant être commandée de façon à promouvoir l'activation rapide d'un convertisseur catalytique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010048345A1 (de) 2010-10-13 2012-04-19 Daimler Ag Druckwellenmaschine, insbesondere Druckwellenlader für eine Verbrennungskraftmaschine sowie Verbrennungskraftmaschine
WO2012048785A1 (fr) 2010-10-13 2012-04-19 Daimler Ag Machine à onde de pression, en particulier compresseur à onde de pression, pour un moteur à combustion interne, et moteur à combustion interne

Also Published As

Publication number Publication date
EP1347157A1 (fr) 2003-09-24
AU2003200866A1 (en) 2003-10-02
US7080633B2 (en) 2006-07-25
ES2252338T3 (es) 2006-05-16
US20030226353A1 (en) 2003-12-11
JP2004003451A (ja) 2004-01-08
JP4335558B2 (ja) 2009-09-30
DE50204848D1 (de) 2005-12-15
ATE309455T1 (de) 2005-11-15

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