EP0035059B1 - Luftgekühlte Brennkraftmaschine mit zumindest einer hydrodynamischen Bremse - Google Patents

Luftgekühlte Brennkraftmaschine mit zumindest einer hydrodynamischen Bremse Download PDF

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Publication number
EP0035059B1
EP0035059B1 EP80107543A EP80107543A EP0035059B1 EP 0035059 B1 EP0035059 B1 EP 0035059B1 EP 80107543 A EP80107543 A EP 80107543A EP 80107543 A EP80107543 A EP 80107543A EP 0035059 B1 EP0035059 B1 EP 0035059B1
Authority
EP
European Patent Office
Prior art keywords
air
internal combustion
combustion engine
cooling
cooler
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
Application number
EP80107543A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0035059A1 (de
Inventor
Paul Dipl.-Ing. Tholen
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.)
Kloeckner Humboldt Deutz AG
Original Assignee
Kloeckner Humboldt Deutz AG
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
Application filed by Kloeckner Humboldt Deutz AG filed Critical Kloeckner Humboldt Deutz AG
Priority to AT80107543T priority Critical patent/ATE5609T1/de
Publication of EP0035059A1 publication Critical patent/EP0035059A1/de
Application granted granted Critical
Publication of EP0035059B1 publication Critical patent/EP0035059B1/de
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/10—Controlling of coolant flow the coolant being cooling-air by throttling amount of air flowing through liquid-to-air heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/06—Guiding or ducting air to, or from, ducted fans

Definitions

  • the invention relates to an air-cooled internal combustion engine with at least one hydrodynamic brake (retarder) whose heat can be recooled in a cooler, and with exhaust air flaps in the cooling air duct of the internal combustion engine to control the air throughput through the cooler.
  • hydrodynamic brake retarder
  • Such an internal combustion engine is known from DE-C-1 230 615.
  • the retarder oil cooler is arranged in series with the cylinders on the clutch side of the internal combustion engine and is closed by exhaust flaps in normal engine operation. These exhaust air flaps are then opened in braking mode and the cooling air can flow through the retarder oil cooler as desired.
  • the hood pressure drops due to the opening of the exhaust air flaps, so that the air throughput through the retarder cooler is relatively low and the cooler must therefore be made relatively large in order to dissipate the amount of heat generated.
  • the space for such a large retarder oil cooler is practically not available in today's confined installation conditions in motor vehicles.
  • a lubricating oil cooling device in which two lubricating oil coolers are arranged in front of the cooling air blower, with movable flaps being provided in the lines leading to the cooler, which control the inlet cross sections for the sucked cooling air.
  • the resistance of the cooling fan is changed considerably by opening the exhaust air flaps, so that these coolers must also be made relatively large for adequate cooling.
  • a cooling system for internal combustion engines is known from DD-A-70 438, in which cooling elements are arranged behind an axial fan designed as a pressure blower and a movable exhaust air flap is provided between the blower and cooler for controlling cooling air conveyed by the fan, so that this is actuated by the flap actuation Arrangement the cooling capacity of the cooler can also not be improved.
  • the cooler is arranged in front of the cooling air blower of the internal combustion engine and in that the exhaust air flaps are provided in the cooling air cover of the internal combustion engine between the cooling air blower and the cooling chamber of the internal combustion engine and are open in retarder operation.
  • This arrangement offers the advantage that a significantly increased cooling air flow through the cooler and through the blower is achieved by opening the exhaust air flaps in the retarder mode and that at the same time the cooling air flow through the engine components is greatly reduced.
  • This has the further advantage that the undesired cooling of the engine components is practically prevented in retarder operation.
  • the cooling air volume with open exhaust air flaps in contrast to closed exhaust air flaps, can be almost doubled without changes to the cooling air blower having to be carried out, so that the retarder oil cooler has a relatively small overall volume.
  • the exhaust air flaps can be controlled via a linkage and a hydraulic or pneumatic actuator.
  • the actuator can be operated directly by hand or depending on the retarder oil temperature or together with switching on the retarder mode.
  • FIG. 1 a shows a schematic side view of an air-cooled internal combustion engine 1. As the top view in FIG. 1b shows, it is designed as a V-type internal combustion engine and has two rows of 6 cylinders each.
  • the V-space of the internal combustion engine, into which the blower 2 conveys the cooling air, is closed at the top by a large number of exhaust air flaps 4.
  • These exhaust air flaps are blind-like ordered and can be rotated about their longitudinal axis, so that they release a passage cross section.
  • the blower map in FIG. 2 has, for example, two operating points I and 11.
  • the operating point I is reached at the rated engine speed and full load with the exhaust flaps 4 closed.
  • the total static pressure loss of the radiator and engine is 20 mbar, the pressure loss in the radiator being approximately 2 mbar and in the remaining internal combustion engine approximately 18 mbar.
  • the operating pressure 11, which represents the retarder operation when the exhaust air flaps are open and the fan speed is the same, is characterized by the fact that the static pressure loss in the cooling space has decreased by approx. 35% and the amount of air conveyed by the fan has increased by approximately 100%, i.e. the pressure loss in the cooler is now 8 mbar, whereas it is only about 4.5 mbar in the internal combustion engine, since the resistance characteristic of the internal combustion engine is shifted far to the right by opening the exhaust air flaps.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Braking Arrangements (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP80107543A 1980-02-27 1980-12-03 Luftgekühlte Brennkraftmaschine mit zumindest einer hydrodynamischen Bremse Expired EP0035059B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80107543T ATE5609T1 (de) 1980-02-27 1980-12-03 Luftgekuehlte brennkraftmaschine mit zumindest einer hydrodynamischen bremse.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3007346 1980-02-27
DE19803007346 DE3007346A1 (de) 1980-02-27 1980-02-27 Luftgekuehlte brennkraftmaschine mit zumindest einer hydrodynamischen bremse

Publications (2)

Publication Number Publication Date
EP0035059A1 EP0035059A1 (de) 1981-09-09
EP0035059B1 true EP0035059B1 (de) 1983-12-14

Family

ID=6095688

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80107543A Expired EP0035059B1 (de) 1980-02-27 1980-12-03 Luftgekühlte Brennkraftmaschine mit zumindest einer hydrodynamischen Bremse

Country Status (4)

Country Link
US (1) US4356796A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0035059B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE5609T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3007346A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200685A1 (de) * 1982-01-13 1983-07-21 Klöckner-Humboldt-Deutz AG, 5000 Köln Luftgekuehlte brennkraftmaschine mit aufladung und ladeluftkuehlung
DE3200686A1 (de) * 1982-01-13 1983-07-21 Klöckner-Humboldt-Deutz AG, 5000 Köln Luftgekuehlte brennkraftmaschine mit aufladung und ladeluftkuehlung
JPS61283723A (ja) * 1985-06-10 1986-12-13 Toyota Motor Corp インタク−ラ冷却装置
EP1417109B1 (de) * 2001-08-01 2008-04-30 Behr GmbH & Co. KG Kühlsystem für fahrzeuge
JP4119222B2 (ja) * 2002-10-28 2008-07-16 カルソニックカンセイ株式会社 車両用熱交換器の通風装置およびその制御方法
ES2323722T3 (es) 2006-06-16 2009-07-23 Straumann Holding Ag Juego que contiene varios casquillos de detencion del taladrado y un bloque de montaje.
SE530032C2 (sv) * 2006-06-30 2008-02-12 Scania Cv Abp Kylaranordning för ett motorfordon
US8757300B2 (en) * 2011-03-17 2014-06-24 Toyota Motor Engineering & Manufacturing North America, Inc. Ram air generator for an automobile
US10252611B2 (en) * 2015-01-22 2019-04-09 Ford Global Technologies, Llc Active seal arrangement for use with vehicle condensers
CN113734066B (zh) * 2020-05-27 2023-10-03 宇通客车股份有限公司 一种车辆及其用电协调控制方法和装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD70438A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) *
US1705710A (en) * 1927-09-12 1929-03-19 Bindon James Automobile accessory
US2089288A (en) * 1930-12-04 1937-08-10 Packard Motor Car Co Internal combustion engine
US2143889A (en) * 1933-01-16 1939-01-17 Ledwinka Hans Power vehicle
DE679935C (de) * 1938-02-20 1939-08-18 Daimler Benz Akt Ges Vorrichtung zur Reglung der Luefterwirkung, insbesondere fuer Schmieroelrueckkuehlanlagen von Triebwagen
DE1230615B (de) * 1960-05-05 1966-12-15 Kloeckner Humboldt Deutz Ag Luftgekuehlte Brennkraftmaschine
DE1151270B (de) * 1960-06-15 1963-07-11 Siemens Ag Anordnung fuer die Belueftung von Bremswiderstaenden und OElkuehlern auf Triebfahrzeugen, insbesondere Schienentriebfahrzeugen
DE2333088A1 (de) * 1973-06-29 1975-01-16 Bosch Gmbh Robert Vorrichtung zur einstellung der temperatur der kuehlfluessigkeit von kraftfahrzeugmotoren
DE2741244C2 (de) * 1977-09-14 1983-10-27 Klöckner-Humboldt-Deutz AG, 5000 Köln Kühlungsanordnung an einer luftgekühlten Brennkraftmaschine
US4175388A (en) * 1978-03-17 1979-11-27 General Motors Corporation Radiator cooling system
DD137460B1 (de) * 1978-06-29 1980-12-10 Heinz Lehmann Vorrichtung zur motorraumbelueftung fuer selbstfahrende landmaschinen

Also Published As

Publication number Publication date
US4356796A (en) 1982-11-02
EP0035059A1 (de) 1981-09-09
DE3007346C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-04-21
ATE5609T1 (de) 1983-12-15
DE3007346A1 (de) 1981-09-10

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