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
  • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
  • F01M11/0004—Oilsumps
• • 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
  • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
  • F01M11/0004—Oilsumps
  • F01M2011/0037—Oilsumps with different oil compartments
• • 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
  • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
  • F01M11/0004—Oilsumps
  • F01M2011/0087—Sump being made of different parts
• • 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
  • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
  • F01M11/0004—Oilsumps
  • F01M2011/0091—Oilsumps characterised by used materials

Definitions

• the present invention relates to an oil pan comprising a main body with a main oil chamber and a wall.
• the main body of the oil pan is dimensioned such that it has the oil collection volume required for the respective application.
• the present invention has for its object to provide an oil pan of the type mentioned, which is particularly easy to adapt to different oil collection volumes required in each case.
• the oil pan comprises at least one auxiliary oil chamber and that the wall of the body has at least one passage opening through which the auxiliary oil chamber is connected to the main oil chamber of the body.
• the additional oil chamber the interior of which provides an additional oil collection volume, which is connected through the passage opening in the wall to the oil collection volume in the interior of the main body, the oil sump according to the invention has a larger oil collection volume than an oil sump, which merely formed from the main body would.
• the total oil collection volume of the oil pan can be adapted to any application, without
• the main body and in particular a mounting flange, via which the oil pan is connected to an internal combustion engine, must be modified.
• the oil pan according to the invention can be adapted particularly easily to different installation situations and to the respectively available engine compartment.
• the provided in the wall of the body passage is closed by the auxiliary oil chamber.
• At least a part of a wall of at least one auxiliary oil chamber has been produced separately from the base body and subsequently connected to the base body.
• the part of the wall of the auxiliary oil chamber produced separately from the main body may have a top wall of the auxiliary oil chamber and / or at least part of a front end wall of the auxiliary oil chamber and / or at least part of a rear end wall of the auxiliary oil chamber and / or one of the passage opening opposite side wall of the auxiliary oil chamber and or include a bottom wall of the auxiliary oil chamber.
• the complete wall of the auxiliary oil chamber has been manufactured separately from the base body and subsequently connected to the base body.
• the additional oil chamber can be materially connected, for example by gluing or welding, to the base body. It has proved to be particularly favorable when the additional oil chamber is connected by friction welding to the base body.
• the design of the oil pan according to the invention is particularly flexible when the wall of the base body has at least two passage openings through which an additional oil chamber is connected to the main oil chamber of the body.
• the passages may be formed on opposite wall portions of the wall of the body.
• the at least two additional oil chambers are formed substantially symmetrically with respect to a longitudinal center plane of the oil pan.
• the entire oil pan is formed substantially mirror-symmetrical to its longitudinal center plane.
• the main body of the oil pan can be formed of any suitable material.
• the base body of the oil pan is formed from a thermoplastically processable plastic material, for example polyamide.
• the at least one additional oil chamber can in principle also be formed from any suitable material.
• At least part of a wall of at least one auxiliary oil chamber is formed from a thermoplastically processable plastic material, for example from polyamide. It is particularly favorable if a wall of at least one additional oil chamber is formed from the same material as the main body of the oil pan.
• the passage opening which is closed by the auxiliary oil chamber, may already be molded into the wall of the main body during the production of the main body.
• the base body is initially made without the passage opening in its wall and that the at least one passage opening cut out of the wall of the body, in particular cut out or punched out is.
• a stiffening wall is arranged with at least one oil passage opening.
• This stiffening wall can also serve as a baffle to calm the movement of the oil in the sump.
• the stiffening wall has at least two oil passage openings.
• auxiliary oil chamber is arranged laterally next to the main oil chamber.
• the auxiliary oil chamber neither protrudes downwards nor upwards beyond the main oil chamber of the oil sump.
• at least part of a wall of at least one additional oil chamber is formed integrally with the main body.
• the integrally formed with the main body part of the wall of the auxiliary oil chamber include a bottom wall of the auxiliary oil chamber and / or at least a portion of a front end wall of the auxiliary oil chamber and / or at least a portion of a rear end wall of the auxiliary oil chamber and / or one of the passage opening opposite side wall of the auxiliary oil chamber ,
• At least one part of a wall of at least one auxiliary oil chamber has been produced separately from the main body and subsequently connected to the main body, wherein at least one other part of the wall of this auxiliary oil chamber is formed integrally with the main body.
• the part of the wall produced separately from the main body comprises a top wall of the auxiliary oil chamber.
• the part of the wall produced separately from the main body comprises only one top wall of the auxiliary oil chamber, since in this case the connecting line between the part of the wall produced separately from the main body and the part of the wall formed integrally with the main body is substantially completely close to the top end the auxiliary oil chamber runs so that the oil contained in the auxiliary oil chamber only rarely or not at all reaches this connection line.
• the connecting line between the part of the wall produced separately from the main body and the part of the wall produced integrally with the main body is not or at least rarely subjected to the oil contained in the oil pan, which is beneficial to the longevity and reliability of the seal along the connection line.
• connection for an oil filling line is provided on the part of the wall which is produced separately from the main body.
• connection for an oil level sensor is arranged on the part of the wall which is produced separately from the main body.
• connection for an oil dipstick guide and / or for an oil suction line is arranged on the part of the wall produced separately from the main body.
• connection for an oil dipstick guide and / or for an oil suction line has a connecting piece designed in one piece with the wall for mounting a pipe arranged at least partially in the interior of the auxiliary oil chamber.
• the connecting piece can be provided with a, for example, in longitudinal section sawtooth-shaped profiling, which is during assembly of the pipe into the pipe to be mounted on the connecting piece, so that after pushing the pipe onto the connecting piece (or after inserting the pipe into the connecting piece, if the profiling is provided on an inner side of the connecting piece), the pipe by positive lock is held captive on the connection for the oil dipstick guide and / or for the oil suction line.
• FIG. 1 is a schematic perspective view of a main body of an oil sump, the wall of which has two passage openings opposite one another, and two auxiliary oil chambers produced separately from the main body, before the additive oil chambers are fixed to the main body;
• FIG. 2 is a schematic perspective view of the main body with the additional oil chambers fixed thereto;
• Fig. 3 is a schematic perspective view of a main body of a second embodiment of an oil pan whose wall has two opposite passage openings, in each of which a stiffening wall is arranged with two oil passage openings, and two separately produced from the base body auxiliary oil chambers before the auxiliary oil chambers on the Be determined body;
• Fig. 4 is a schematic perspective view of a main body of a third embodiment of an oil pan, which is formed integrally with the bottom walls and with parts of front and rear end walls of two auxiliary oil chambers, and two separately produced from the body
• beautician- wall parts each comprising a top wall, a side wall and parts of a front end wall and a rear end wall of the respective additional oil chamber before the auxiliary oil chamber wall parts are fixed to the body;
• Figure 5 is a schematic perspective view of the main body of the third embodiment of an oil pan with the additional oil chamber wall parts fixed thereto.
• FIG. 6 is a schematic perspective view of a main body of a fourth embodiment of an oil sump, which is integrally formed with bottom walls, front end walls, rear end walls and side walls of two auxiliary oil chambers, and fixed to the main body auxiliary oil chamber wall parts, each comprising a top wall of the respective auxiliary oil chamber;
• FIG. 7 is a schematic perspective view of a main body of a fifth embodiment of an oil sump, which is formed integrally with bottom walls, front end walls, rear end walls and side walls of two auxiliary oil chambers, and fixed to the main body auxiliary oil chamber wall parts, each comprising a top wall of the respective auxiliary oil chamber wherein a top wall of an auxiliary oil chamber is provided with a connection for an oil filler pipe, with a connection for an oil dipstick guide and with a connection for a filling level sensor;
• FIG. 8 is a schematic perspective view of the auxiliary oil chamber wall part of FIG. 7, which is provided with a connection for an oil filler pipe, provided with a connection for an oil dipstick guide and with a connection for a level sensor;
• FIG. 9 shows a schematic vertical section through the connection for an oil dipstick guide of the auxiliary oil chamber wall part from FIG. 8.
• a trough-shaped base 102 which in turn two opposite, substantially parallel longitudinal side walls 104a, 104b, two longitudinal side walls interconnecting transverse side walls 106a, 106b, one of Mounting flange 108 supported on longitudinal side walls 104a, 104b and transverse sidewalls 106a, 106b, which is annularly encircling at the upper edge of side walls 104a, 104b, 106a and 106b, an access opening 110 enclosed by mounting flange 108, a top closer to access opening 110 Bottom portion 112, a further away from the access opening 110 arranged lower bottom portion 114 and an upper bottom portion 112 with the lower bottom portion 114 connecting inclined middle bottom portion 116 includes.
• the side walls 104a, 104b, 106a and 106b and the bottom portions 112, 114 and 116 enclose an inner space 117 of the main body 102, which forms a main oil collecting chamber 119.
• the base body 102 is made of a suitable thermoplastically processable material, for example of polyamide, by an injection molding process.
• the passage openings 118 are formed by appropriate design of the injection mold in the production of the base body 102 by injection molding in the wall of the body 102.
• the base body 102 is first produced in an injection molding process without the passage openings 118 in its wall and the passage openings 118 then cut out of the longitudinal side walls 104a, 104b, in particular cut out or punched out.
• the oil pan 100 comprises two substantially parallelepipedic additional oil chambers 120, which are each open on their sides facing the main body 102 of the oil pan 100.
• the additional oil chambers 120 are made of a thermoplastically processable plastic material, for example of polyamide, in an injection molding process.
• auxiliary oil chambers 120 may be made of the same thermoplastically deformable plastic material as the main body 102.
• the additional oil chambers 120 are respectively placed on the outside of the respective associated longitudinal side wall 104a and 104b, that they surround the passage opening 118 arranged in the respective longitudinal side wall 104a, 104b and form lateral jaws on the wall of the base body 102. Subsequently, the additional oil chambers 120 are materially connected to the base body 102, for example by friction welding along a peripheral Reibsch sparandes 123rd
• the composite in this way from the main body 102 and the two auxiliary oil chambers 120 oil pan 100 has due to the additional oil chambers 120 a larger oil collection volume than an oil pan, which would be formed only from the main body 102 (without the passage openings 118).
• the total oil collection volume of the oil pan 100 can be adapted to any application, without the base body 102 and in particular the mounting flange 108, via which the oil pan 100 is connected to an internal combustion engine, modified got to.
• the auxiliary oil chambers 120 are mirror-symmetrical to each other, so that the entire oil pan 100 is formed substantially mirror-symmetrical to its longitudinal direction in the longitudinal direction 122 of the main body 102 extending vertical longitudinal center plane.
• each auxiliary oil chamber 120 comprises a top wall 126, a front end wall 128, a rear end wall 130 opposite the front end wall 128, a side wall 132 connecting the two end walls 128 and 130, the passage opening 118 opposite, and a bottom wall 133.
• each auxiliary oil chamber 120 is integrally formed, manufactured separately from the base body 102 and then connected to the main body 102.
• a second embodiment of an oil sump 100 shown in FIG. 3 differs from the first embodiment shown in FIGS.
• passage openings 118 in the longitudinal side walls 104a, 104b of the main body 102 are each closed by a stiffening wall 134, wherein in each stiffening wall 134 at least one oil passage opening 136, preferably a plurality of such oil passage openings 136, in particular two such oil passage openings 136 are provided to the oil collection volume in the respectively associated auxiliary oil chamber 120 with the oil collection volume of the main oil collection chamber 119 in the interior 117 of the To connect body 102.
• the stiffening walls 134 serve to stiffen the respective longitudinal side wall 104a or 104b of the main body 102 and to calm the oil flow in the entire oil collecting volume of the oil pan 100.
• the second embodiment of an oil sump 100 shown in FIG. 3 is identical in construction, function and method of manufacture to the first embodiment shown in FIGS. 1 and 2, to the foregoing description to which reference is made.
• a third embodiment of an oil sump 100 shown in FIGS. 4 and 5 differs from the second embodiment shown in FIG. 3 in that the wall 124 of each auxiliary oil chamber 120 is not formed in one piece, but the wall 124 is formed integrally with the main body 102 formed first wall portion 138 and a complementary thereto, separately manufactured from the base body 102 and then connected to the first wall portion 138 second wall portion 140 is composed.
• the first wall part 138 formed integrally with the base body 102 comprises the bottom wall 133 and the half 142 of the front end wall 128 adjoining the bottom wall 133 and the longitudinal side wall 104a or 104b of the base body 102 and the corresponding half 144 the rear end wall 144 of the wall 124 of the respective auxiliary oil chamber 120, while the second wall portion 140 produced separately from the base body 102, the ceiling wall 126, the side wall 132, which is adjacent to the top wall 126 and the side wall 132 half 146 of the front end wall 128 and the corresponding half 148 includes the rear end wall 130.
• the main body 102 is made together with the first wall parts 138 of a suitable thermoplastically processable material, for example of polyamide, by an injection molding process.
• a suitable thermoplastically processable material for example of polyamide
• the second wall parts 140 are made of a thermoplastically processable plastic material, for example of polyamide, in an injection molding process.
• the second wall part 140 may be made of the same thermoplastically deformable plastic material as the main body 102 with the first wall parts 138.
• the second wall parts 140 are respectively placed on the outside of the respective associated longitudinal side wall 104a and 104b and on the edge of the respectively associated first wall portion 138 that they complement the respective first wall portion 138 to a complete auxiliary oil chamber 120 and together with the respective first wall portion 138 side jaws on the wall of the body 102 form.
• the second wall parts 140 of the additional oil dam 120 are materially connected to the base body 102 and to the first wall parts 138, for example by friction welding.
• FIGS. 4 and 5 third embodiment of an oil pan 100 agrees with regard to structure, function and method of manufacture of the second embodiment shown in FIG. 3, to the above description in this respect reference is made.
• a fourth embodiment of an oil sump 100 shown in FIG. 6 differs from the third embodiment shown in FIGS. 4 and 5 in that the second wall parts 140 of the auxiliary oil chambers 120, which are produced separately from the main body 102 and subsequently connected to the main body 102, essentially only still include the top wall 126 of the wall 124 of the respective auxiliary oil chamber 120.
• the first wall parts 138 formed integrally with the main body 102 comprise in each case the bottom wall 133, the front end wall 128, the rear end wall 130 and the side wall 132 of the wall 124 of the respective auxiliary oil chamber 120 opposite the respective through opening 118.
• the fourth embodiment of an oil pan 100 shown in FIG. 6 agrees with the third embodiment shown in FIGS. 4 and 5 in terms of structure, function and method of manufacture, to the extent of which the above description is made.
• a fifth embodiment of an oil sump 100 shown in FIGS. 7 to 9 differs from the fourth embodiment shown in FIG. 6 in that one of the second wall parts 140 of the auxiliary oil chambers 120, which are produced separately from the main body 102 and subsequently connected to the main body 102 Port 150 for an oil filler line (not shown) is provided with a port 152 for an oil dipstick guide 153 and with a port 154 for a level sensor 156.
• connection 150 for the oil filler line is formed as a through hole 126 penetrating the top wall 126 of this second wall part 140 a with an internal thread into which a complementary external thread of the oil filler pipe can be screwed.
• the connection 154 for the oil level sensor 156 is likewise designed as a passage opening penetrating the ceiling wall 126 of the second wall part 140a with an internal thread, into which a complementary external thread of the essentially rod-shaped oil level sensor 156 is screwed.
• a lower section 158 of the oil level sensor 156 extends into the oil-filled interior 162 of the auxiliary oil chamber 120, while an upper portion 160 of the oil level sensor 156 from the port 154 into the outer space 168 of the additional oil chamber 120 and the oil pan 100 stretches.
• connection 152 for the oil dipstick guide 153 is shown in detail in FIG. 9 in a vertical longitudinal section and comprises a substantially hollow cylindrical connecting piece 164 extending into the interior 162 of the auxiliary oil chamber 120 for mounting an inner tube 166 arranged in the interior 162 of the auxiliary oil chamber 120 the ⁇ lpeilstab Insert 153 and in the outer space 168 of the auxiliary oil chamber 120 extending, also substantially hollow cylindrical connecting piece 170 for mounting an outer chamber 168 arranged outer tube 172 of the oil dipstick guide 153th
• the peripheral wall of the connecting piece 170 for the outer tube 172 is beveled at the free end of the connecting piece 170 on its inner side, so that the interior of the connecting piece 170 widens toward the free end 174 of the connecting piece 170.
• the connecting piece 170 On its outer side, the connecting piece 170 is provided with a circumferential annular projection 176, which holds the pushed onto the connecting piece 170 bottom end of the outer tube 172 by adhesion and / or by positive locking.
• connection piece 164 for the inner tube 166 is provided on its outer side with a sawtooth profile or a Christmas tree profile, which extends into the inside of the peripheral wall of the inner tube 166 digs when the inner tube 166 is pushed in the assembly of the inner tube 166 on the second wall portion 140a on the connecting piece 164.
• the inner tube 166 After burying the sawtooth in the longitudinal section projections 178 of this sawtooth or fir tree profile in the peripheral wall of the inner tube 166, the inner tube 166 is captively held by positive engagement on the top wall 126 of the second wall portion 140a.
• the inner spaces of the connecting piece 164 for the inner tube 166 and the connecting piece 170 for the outer tube 172 are connected to one another, so that an oil dipstick (not shown) can be removed from the outer space 168 of the additional oil chamber 120 through the outer tube 172 and the connection 152 for the oil dip rod guide 153 can be inserted into the inner tube 166, which is at least partially filled with oil during operation of the oil pan 100.
• the oil dipstick guide 153 can also be used to extract oil from the interior 162 of the additional oil chamber 120 and from the associated interior 117 of the main body 102 of the oil pan 100.
• the connecting piece 164 and the connecting piece 170 of the connection 152 for the oil dipstick guide 153 are integrally formed with the top wall 126 of the second wall part 140a.
• connection 152 for the oil dipstick guide 153 is injection-molded onto the ceiling wall 126 of the second wall part 140a.
• FIGS. 7 to 9 the fifth embodiment of an oil pan 100 shown in FIGS. 7 to 9 is the same in construction, function and manufacturing manner as the fourth embodiment shown in FIG. 6, the above description of which is incorporated herein by reference.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
• Lubrication Of Internal Combustion Engines (AREA)

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Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

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Citations (10)

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• 2007
  • 2007-12-14 DE DE102007060273A patent/DE102007060273A1/de not_active Withdrawn
• 2008
  • 2008-12-12 WO PCT/EP2008/010591 patent/WO2009077133A1/de active Application Filing
  • 2008-12-12 EP EP08863162A patent/EP2217794B1/de active Active
  • 2008-12-12 CA CA2709129A patent/CA2709129C/en active Active
  • 2008-12-12 AT AT08863162T patent/ATE512287T1/de active
  • 2008-12-12 BR BRPI0821127-2A patent/BRPI0821127B1/pt active IP Right Grant

Patent Citations (10)

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