EP1164264A1 - Réchauffage de gaz de carter - Google Patents

Réchauffage de gaz de carter Download PDF

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Publication number
EP1164264A1
EP1164264A1 EP00112614A EP00112614A EP1164264A1 EP 1164264 A1 EP1164264 A1 EP 1164264A1 EP 00112614 A EP00112614 A EP 00112614A EP 00112614 A EP00112614 A EP 00112614A EP 1164264 A1 EP1164264 A1 EP 1164264A1
Authority
EP
European Patent Office
Prior art keywords
blowby
heater according
ptc
blowby heater
tube
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.)
Granted
Application number
EP00112614A
Other languages
German (de)
English (en)
Other versions
EP1164264B1 (fr
Inventor
Franz Bohlender
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.)
DBK David and Baader GmbH
Original Assignee
DBK David and Baader GmbH
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 DBK David and Baader GmbH filed Critical DBK David and Baader GmbH
Priority to EP20000112614 priority Critical patent/EP1164264B1/fr
Priority to DE50011511T priority patent/DE50011511D1/de
Publication of EP1164264A1 publication Critical patent/EP1164264A1/fr
Application granted granted Critical
Publication of EP1164264B1 publication Critical patent/EP1164264B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/0011—Breather valves
    • F01M2013/0027—Breather valves with a de-icing or defrosting system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0455—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a de-icing or defrosting system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0472—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil using heating means

Definitions

  • the invention relates to crankcase ventilation and is particularly concerned with a blowby heater.
  • the invention further relates to an internal combustion engine with a such blowby heating.
  • crankcase also engine block
  • the crankcase is the most important the crank mechanism with crankshaft, connecting rods and pistons. At the bottom it will The crankcase is normally closed by a screwed-on oil pan. To At the top, the cylinders in the crankcase are covered by a or several cylinder heads.
  • crankcase fills up to the cylinder head with oil vapors and gases which Escape piston rings past from the combustion chamber.
  • the pumping movement of the Piston pressurizes these oil vapors and gases. To protect the environment Prevents these gases from escaping.
  • the escaping fuel gases from the fuel tank are also a burden stationary engine the environment. That is why a combined engine and Fuel tank ventilation is available, the gases and vapors in one Expansion tanks are collected, the gases condense and to the fuel tank flow back. The engine sucks in the vapors during the starting process the expansion tank, and with the engine running, the gases and vapors become direct directed to the air filter.
  • blow-by gases The gases and oil vapors that fill the crankcase become blow-by gases called.
  • the main components of the blowby gas are unburned gases, the big ones Contain quantities of hydrocarbons.
  • a defective, blocked or iced vent leads to a high pressure in the Crankcase that removes the lubricating oil from the seals (e.g. on the crankshaft, Oil pan or out of the opening for the oil dipstick).
  • the invention is therefore based on the object of a blowby heater and a Internal combustion engine with such a blowby heater specify the icing of the Prevent crankcase ventilation.
  • PTC Positive Temperature Coefficient
  • blowby heater according to the invention is advantageous since at least a PTC heating element is glued to the gas-carrying pipe and thereby the at Use of soldering techniques or spring clamps occurring compressive stresses be prevented. Furthermore, by gluing the PTC heating elements Overall structure can be significantly simplified because additional mounting elements omitted.
  • Another advantage of gluing the PTC heating elements to the gas pipe is that an aluminum die-cast tube is also used for the latter can, which is a significant cost advantage over conventional copper pipes evokes.
  • the adhesive also has a high elongation at break of up to 300%, resulting in stresses compensated and manufacturing tolerances can be compensated.
  • an epoxy resin adhesive can also be used more advantageously as the adhesive material, which preferably has metal particles.
  • Such an adhesive is conductive and has thus only with a low resistance.
  • Be at least two PTC heating elements that are electrically conductive with each other are connected around the gas-carrying pipe, so the pipe of several sides simultaneously and thus evenly heated and the heat coupling improved. If a contact is riveted, not only the overall stability is in promoted advantageously, but also simplified the manufacturing process.
  • blowby heater can also be design and manufacture a compact design, and it becomes the appearance mechanical stresses still prevented.
  • FIG 1a and 1b show a blowby heater according to the invention in side view.
  • the arrangement is mounted on the crankcase by means of the base element 10, that the blowby gas through the inner connection pipe 20 and through the outside connection element 30 passes through the vent flange 40.
  • the blowby gas is heated according to the invention, for which purpose inside the shown arrangement electrically operated PTC heating elements are provided.
  • the blow-by heating system provides these heating elements with electrical energy also via an electrical connector 50.
  • the heating arrangement located inside the blowby heater can be removed.
  • the gas pipe 90 are in the preferred 2a three PTC elements 60 are arranged.
  • the PTC elements 60 are configured with the gas guide tube 90 by means of a temperature-resistant, non-conductive silicone adhesive bonded to the high Elongation at break of about 300%.
  • the adhesive itself is not conductive, however is the respective PTC element in the manufacture of the arrangement shown in Fig. 2a pressed under high pressure on the gas pipe, so that due to the Surface roughness results in electrical contacting. This will make the mechanical advantages of silicone adhesive, for example the ability to Tolerance compensation, exploited, without compromising on electrical contacting to have to enter.
  • the respective rear sides of the PTC elements 60 are provided with a contact strip 70, 80 electrically connected, which with one of two flat contact pins 110 des electrical connector 50 is in contact.
  • the other flat contact pin 110 is with connected to the gas guide tube 90 via a contact lead 100 so that a current from a contact pin via the PTC elements 60, the gas guide tube 90 and the Contact feeder 100 can flow to the other contact pin.
  • the gas guide tube 90 is preferably an aluminum die-cast tube however, it can also be made of another electrically conductive material, such as for example copper. Furthermore, in the preferred embodiment of the invention Contact feed 100 riveted to the gas guide tube 90. However, it can also other connection technologies are used, such as screws, clamps, Riveting, welding, gluing etc.
  • the PTC elements 60 are included through the gas guide tube 90 by means of the electrically non-conductive silicone adhesive strong pressure connected, whereby the PTC elements 60 with the gas pipe 90th be electrically connected.
  • a conductive epoxy resin adhesive is used in the silver or other silicone glue Metal particles have been introduced. This adhesive does not have that advantageous mechanical properties as well as the temperature resistance of the Silicone adhesive, however, there is only a small amount of pressure when manufacturing the arrangement the gas pipe 90 necessary.
  • a plastic encapsulation 120 is provided, which is the mechanical Ensures stability during assembly and, if necessary, afterwards. Furthermore, the 2a and 2b arrangement shown, in particular the PTC elements 60 and the Gas guide tube 90, also molded plastic after assembly, which is the occurrence prevents mechanical tension and allows a compact design. Furthermore are hereby largely in the shaping of the gas guide tube 90 Freedom.
  • FIG. 3a and 3b show those shown in the previous figures Arrangements in perspective view.
  • the contact band 80 between the PTC elements 60 Run narrower than the contact band 70, which makes the total weight of the arrangement reduced and also the contact tape 70, 80 more flexible and less heat conductive becomes.
  • FIGS. 2a and 2b there are three PTC elements 60 arranged around the gas pipe 90. It can any other number of PTC elements 60 may also be provided instead, in particular two or only one PTC element. The selection of the number of PTC elements 60 depends on the required heating output, the cross section and the Type of PTC elements used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
EP20000112614 2000-06-14 2000-06-14 Réchauffage de gaz de carter Expired - Lifetime EP1164264B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20000112614 EP1164264B1 (fr) 2000-06-14 2000-06-14 Réchauffage de gaz de carter
DE50011511T DE50011511D1 (de) 2000-06-14 2000-06-14 Blowby-Heizung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20000112614 EP1164264B1 (fr) 2000-06-14 2000-06-14 Réchauffage de gaz de carter

Publications (2)

Publication Number Publication Date
EP1164264A1 true EP1164264A1 (fr) 2001-12-19
EP1164264B1 EP1164264B1 (fr) 2005-11-02

Family

ID=8168973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000112614 Expired - Lifetime EP1164264B1 (fr) 2000-06-14 2000-06-14 Réchauffage de gaz de carter

Country Status (2)

Country Link
EP (1) EP1164264B1 (fr)
DE (1) DE50011511D1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003021087A1 (fr) * 2001-08-30 2003-03-13 Cooper Technology Services, Llc. Ensembles soupapes et tuyaux en pvc chauffes
DE10237762A1 (de) * 2002-08-17 2004-02-26 Mahle Filtersysteme Gmbh Heizmodul
EP1635047A2 (fr) * 2004-09-09 2006-03-15 Peugeot Citroen Automobiles SA Système de réduction de la quantité de gazole dans l'huile de lubrification d'un moteur
US7387114B2 (en) 2002-06-27 2008-06-17 Dbk David + Baader Gmbh Heating device for a fluid line and method of manufacture
FR2943718A1 (fr) * 2009-03-30 2010-10-01 Hutchinson Dispositif de rechauffage d'un fluide,son procede d'assemblage et systeme de raccordement l'incorporant pour embout d'admission d'air d'un tuyau de fuite des gaz.
EP2388448A1 (fr) * 2010-05-18 2011-11-23 DBK David + Baader GmbH Procédé et dispositif de commande du système anti-givrage de la valve Blow-by
DE102019124165A1 (de) * 2019-09-10 2021-03-11 Bayerische Motoren Werke Aktiengesellschaft Beheizte Metalldichtung zur Anwendung im Fahrzeug

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010033757A1 (de) 2010-08-09 2012-02-09 Dbk David + Baader Gmbh Fluidleiteinrichtung
DE102012108013A1 (de) 2012-08-30 2014-03-06 Dbk David + Baader Gmbh Fluidheizer und Verfahren zur Herstellung eines Fluidheizers
DE102013105131A1 (de) 2013-05-17 2014-11-20 Dbk David + Baader Gmbh Blowby-Einrichtung
DE102014102596A1 (de) 2013-12-24 2015-06-25 Dbk David + Baader Gmbh Blowby-Einrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2432782A1 (de) * 1974-07-08 1976-01-29 Opel Adam Ag Kurbelgehaeuseentlueftung von brennkraftmaschinen, insbesondere fuer kraftfahrzeuge
US4425899A (en) * 1982-03-02 1984-01-17 Toyota Jidosha Kogyo Kabushiki Kaisha Intake heating device of an internal combustion engine
EP0575649A1 (fr) * 1992-06-23 1993-12-29 David & Baader DBK Spezialfabrik elektrischer Apparate und Heizwiderstände GmbH Radiateur
EP0844622A1 (fr) * 1995-08-07 1998-05-27 K.K. Raychem Dispositif c.t.p. et bloc d'alimentation l'utilisant
US5970962A (en) * 1998-03-19 1999-10-26 Phillips & Temro Industries Inc. PCV heater and method for manufacturing same
US6062206A (en) * 1998-03-19 2000-05-16 Phillips & Temro Industries Inc. PCV heater and method for manufacturing same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2432782A1 (de) * 1974-07-08 1976-01-29 Opel Adam Ag Kurbelgehaeuseentlueftung von brennkraftmaschinen, insbesondere fuer kraftfahrzeuge
US4425899A (en) * 1982-03-02 1984-01-17 Toyota Jidosha Kogyo Kabushiki Kaisha Intake heating device of an internal combustion engine
EP0575649A1 (fr) * 1992-06-23 1993-12-29 David & Baader DBK Spezialfabrik elektrischer Apparate und Heizwiderstände GmbH Radiateur
EP0844622A1 (fr) * 1995-08-07 1998-05-27 K.K. Raychem Dispositif c.t.p. et bloc d'alimentation l'utilisant
US5970962A (en) * 1998-03-19 1999-10-26 Phillips & Temro Industries Inc. PCV heater and method for manufacturing same
US6062206A (en) * 1998-03-19 2000-05-16 Phillips & Temro Industries Inc. PCV heater and method for manufacturing same

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003021087A1 (fr) * 2001-08-30 2003-03-13 Cooper Technology Services, Llc. Ensembles soupapes et tuyaux en pvc chauffes
US7387114B2 (en) 2002-06-27 2008-06-17 Dbk David + Baader Gmbh Heating device for a fluid line and method of manufacture
DE10237762A1 (de) * 2002-08-17 2004-02-26 Mahle Filtersysteme Gmbh Heizmodul
EP1635047A2 (fr) * 2004-09-09 2006-03-15 Peugeot Citroen Automobiles SA Système de réduction de la quantité de gazole dans l'huile de lubrification d'un moteur
EP1635047A3 (fr) * 2004-09-09 2007-03-14 Peugeot Citroen Automobiles SA Système de réduction de la quantité de gazole dans l'huile de lubrification d'un moteur
FR2943718A1 (fr) * 2009-03-30 2010-10-01 Hutchinson Dispositif de rechauffage d'un fluide,son procede d'assemblage et systeme de raccordement l'incorporant pour embout d'admission d'air d'un tuyau de fuite des gaz.
EP2236780A1 (fr) * 2009-03-30 2010-10-06 Hutchinson Dispositif de réchauffage d'un fluide circulant dans un tube thermiquement conducteur notamment dans un véhicule automobile, son procédé d'assemblage et un système de raccordement entre l'admission d'air et le tuyau de " blow- by " incluant ce dernier pour un moteur thermique à combustion interne
EP2388448A1 (fr) * 2010-05-18 2011-11-23 DBK David + Baader GmbH Procédé et dispositif de commande du système anti-givrage de la valve Blow-by
DE102019124165A1 (de) * 2019-09-10 2021-03-11 Bayerische Motoren Werke Aktiengesellschaft Beheizte Metalldichtung zur Anwendung im Fahrzeug
DE102019124165B4 (de) * 2019-09-10 2021-04-15 Bayerische Motoren Werke Aktiengesellschaft Beheizte Metalldichtung zur Anwendung im Fahrzeug

Also Published As

Publication number Publication date
EP1164264B1 (fr) 2005-11-02
DE50011511D1 (de) 2005-12-08

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