US3908797A - Common drainage system and apparatus for engine oil sump and for oil filter of engine - Google Patents

Common drainage system and apparatus for engine oil sump and for oil filter of engine Download PDF

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Publication number
US3908797A
US3908797A US45262674A US3908797A US 3908797 A US3908797 A US 3908797A US 45262674 A US45262674 A US 45262674A US 3908797 A US3908797 A US 3908797A
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US
United States
Prior art keywords
drain
engine
plug
manifold
crankcase
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
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English (en)
Inventor
James M Schnepp
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.)
Fiat Allis Europe SpA
Original Assignee
Fiat Allis Construction Machinery Inc
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 Fiat Allis Construction Machinery Inc filed Critical Fiat Allis Construction Machinery Inc
Priority to US45262674 priority Critical patent/US3908797A/en
Priority to CA221,407A priority patent/CA1010383A/en
Priority to IT2125775A priority patent/IT1034272B/it
Priority to GB1100875A priority patent/GB1456806A/en
Priority to JP3349575A priority patent/JPS50128028A/ja
Priority to DE19752512077 priority patent/DE2512077B2/de
Priority to FR7508519A priority patent/FR2264966B1/fr
Application granted granted Critical
Publication of US3908797A publication Critical patent/US3908797A/en
Assigned to FIAT-ALLIS EUROPE S.P.A. (FAEU) reassignment FIAT-ALLIS EUROPE S.P.A. (FAEU) ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: FIAT-ALLIS NORTH AMERICA, INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F01M11/04—Filling or draining lubricant of or from machines or engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86815—Multiple inlet with single outlet

Definitions

  • the drainage system is particularly useful in connection with the engine lubrication system of vehicles such as road construction vehicles, agricultural vehicles, tractors, or the like.
  • the common drainage manifold used in the aforementioned drainage system is preferably mounted on the crankcase guard or bellypan'" usually provided with such vehicles and at a location where the engine crankcase sump and the lubricating oil by-pass filter may be drained simultaneously with ease and simplicity, and with all oil and sludge draining to the outside of the vehicle.
  • This invention relates to a drainage system and apparatus for use with the lubricating system of an engine which provides a common drain for the engine crankcase sump and for the engine lubricating oil by-pass filter in a manner which insures against mixing of the contaminants in the filter with the engine oilin the sump.
  • a drainage system and apparatus for use with the lubricating system of an engine which provides a common drain for the engine crankcase sump and for the engine lubricating oil by-pass filter in a manner which insures against mixing of the contaminants in the filter with the engine oil in the sump.
  • the drainage system is particularly useful in connection with the engine lubrication system of vehicles such as road construction vehicles.
  • the common drainage manifold used in the aforementioned drainage system is preferably mounted on the crankcase guard or bellypan" usually provided with such vehicles and at a location where the engine crankcase sump and the lubricating oil by-pass filter may be drained simultaneously with ease and simplicity, and withall oil'and sludge draining to the outside of the vehicle.
  • FIG. 1 is a schematic diagram of the lubricating system of an engine incorporating the common drainage system and apparatus of the invention
  • FIG. 2 is a view in transverse section showing the drainage manifold of the invention and of the connections of the filter and 0f the crankcase sump to the drainage manifoldyand i
  • FIG. 3 is a view taken along section line III-Ill of FIG. 2.
  • crankcase 12 provides a sump for lubricating oil L used to lubricate the engine.
  • the engine 10 is suitably mounted on the chassis of a vehicle which may-be,-for example, a road construction vehicle, agricultural vehicle. tractor, or the like.
  • the vehicle on which engine 10 is mounted is provided with a crankcase guard or bellypan generally indicated at 14 which lies beneath in spacedrelation to and in shielding and protecting relation to crankcase 12 for the purpose of preventing rocks or the like from hitting and damaging the crankcase l2.
  • Crankcase guard 14 includes a substantially horizontal guard portion 16 from the opposite ends of which extend upwardly inclined guard portions 18. The upper ends of guard portions 18 are suitably secured to oppositely disposed portions 20 of the main frame of the vehicle chassis.
  • the lubrication circuit may include a pump P having an inlet or suction line 17 which draws lubricating oil from crankcase sump 12 into the pump, the pump then discharging the oil through an output line 19 which leads to the various distribution points on the engine for lubricating the engine. At least part of the oil flow which has passed through the various engine lubrication points is returned by inlet line 21 to the inlet of the filter 52.
  • the filter 52 is of the well known by-pass type and is provided with a filter element or cartridge (not shown) within the filter casing 53.
  • the oil being filtered normally passes through the filter cartridge.
  • a springloaded by-pass which is part of the filter opens and permits the oil passing through filter 52 to by-pass the filter element or cartridge, the oil still passing through the filter casing from the inlet to the outlet thereof.
  • the oil exits from filter 52 by way of exit line 23 and returns to crankcase sump l2. Sludge and other impurities not adhering to the removable filter element within the easing of filter 52 gravitate to the lower end of the casing 53 where they may be drawn off by the drain line 50 connected to the common drain manifold 22 to be hereinafter described.
  • the common drain manifold of the invention is generally indicated at 22 and is suitably mounted by bolts 24 to a plate member 26 which is welded or otherwise suitably secured to the inner surface of one of the upwardly inclined portions 18 of crankcase guard 16.
  • Plate 26 overlies an opening 28 in the inclined portion 18 of crankcase guard 16; and plate itself is provided with an opening 30 to permit access to the removable drainage plug generally indicated at 32 of the drain manifold 22, to be described hereinafter in more detail.
  • the drain manifold generally indicated at 22 comprises two sections designated at 22A and 22B.
  • Manifold section 22A is bolted by bolts 24 to plate 26 as previously described.
  • Manifold section 228 comprises a known type of commercially available hose or tube fitting, such as an S.A.E. four bolt split flange fitting or the like, comprising a tubular inlet fitting or collar 44, a pair of split flange members 45A and 45B, and four cap screws 47.
  • the collar 44 is provided with a countersunk opening 38A into which an end of conduit 46 extends and to which it is welded or brazed, as at 38.
  • the collar 44 is further provided on its lower face with a groove 39 for accommodating an O-ring 33 to provide a fluid tight joint between sections 22A and 228.
  • the collar 44 is provided with an external shoulder 44A engagable by an internal recess 448 in the split flange members.
  • the split flange members 45A and 45B are provided with holes 47A for accommodating the cap screws 47 which extend therethrough and make threaded engagement with threaded holes 478 provided in section 22A.
  • the cap screws 47 releasably secure the split flange members to section 22A and force the collar 44 towards section 22A, thereby causing the O-ring 33 to form a fluid tight seal.
  • Drain manifold 22 is provided with a common drain passage 34 which opens at one end at a countersunk opening 36A in end face 36 of the manifold which overlies opening 30 in plate 26.
  • drain passage 34 communicates with conduit 46.
  • a bore or passage 40 extends laterally inwardly from outer face 42 of manifold section 22A and into fluid communication with common drainage passage 34 intermediate the length of drainage passage 34.
  • the longitudinal axis of lateral bore 40 lies perpendicular to the longitudinal axis of common drainage passage 34.
  • Inlet fitting 44 is connected by a conduit 46 to a drain outlet fitting 48 at the lower end of crankcase sump 12.
  • the lubricating oil L in the crankcase sump 12 is placed in fluid communication with the drain passage 34 of manifold 22 by means of conduit 46 and drain fittings 44 and 48 on the manifold and on the crankcase, respectively.
  • the outlet end of lateral bore 40 contiguous the face 42 of manifold section 22A is internally threaded as indicated at 41 to receive a threaded fitting 49 connected to a conduit 50, with the opposite end of the conduit 50 being connected by a suitable drain fitting to the lower end of the lubricating oil by-pass filter generally indicated at 52.
  • the interior of the filter 52 and the sludge and sediment therein is placed in fluid communication with manifold 22 and with common drain passage 34 of manifold 22 by means of conduit 50 and by the fittings which respectively connect the opposite ends of conduit 50 to manifold 22 and to filter 52.
  • the drain plug generally indicated at 32 is a substantially solid, or at least unapertured member, received in drain passage 34 of drain manifold 22.
  • Drain passage 34 is provided contiguous the opening thereof near the face 36 of manifold section 22A with an internal thread indicated at 37, and plug member 32 is provided with an external thread 54 thereon which threadedly engages the internally threaded portion 37 of drain passage 34, whereby to secure plug 32 securely in closing or plugging position within the drain passage 34 as seen in FIG. 2 of the drawings.
  • the outer end of drain plug 32 is provided with a hexagonal head 56 to facilitate engagement of a suitable tool with plug 32 when the plug is being either inserted or removed.
  • drain plug 32 immediately inwardly of the hex head 56 is provided with a sealing washer 58 thereon which is adapted to seat in a tapered recess 60 provided where drain passage 34 merges with countersunk surface 36A at the outer end 36 of manifold 22.
  • drain plug 32 The innermost end 62 of drain plug 32 relative to the view of FIG. 2 lies in manifold section 22A just a short distance outwardly of the interface between manifold sections 22A and 228.
  • plug member 32 is provided contiguous the end 62 thereof with a countersunk annular groove 64 which receives a flexible sealing element in the form of an O-ring 66.
  • O-ring 66 bears against the contiguous inner surface of common drain passage 34 to provide an effective seal preventing passage of fluids in either direction past the O-ring.
  • the O-ring is located at a position along common drain passage 34 which is intermediate the fluid connections of the filter 52 and of the crankcase sump 12 to the common drainage'passage34. This prevents the possibility of contaminants from filter 52 from feeding into crankcase sump 12 through manifold 22.
  • the O-ring 66 by providing a seal between'drain the common drain passage 34 of manifold 22.'This pe'r- 'mits the fluid sludge in filtercasing 53 to drain through drain line 50 to manifold .22 and thence outwardly through the unplugged endof the common drain passage 34.
  • the removal of plug 32 from manifold 22 also permits the oil in the sump of crankcase 12 to drain through the drain line 46 to corrimon drain passage 34 of manifold'22 and thence outwardly through the open unplugged end of common drain passage 34. Since the drain opening of manifold 22 overliesopening 30 in plate 26 and opening 28 in the upwardly inclined crankcase guard portion 18, the sludge from filter 52 and the oil from the sump of crankcase 12 which are being drained are free to flow outwardly simultaneously through openings 28 and 30 into a suitable receptacle which may be placed in the -discharge flow path from the open unplugged end of manifold 22.
  • plug 32 is replaced in plugging relation to common drain passage 34 of manifold 22 as shown in the view of FIG. 2.
  • the filter casing 53 is opened and the old filter element or cartridge is removed and replaced by a new filter element or cartridge.
  • the filter casing or can 53 is then closed.
  • New oil is then placed in the sump of crankcase 12 through a suitable inlet opening provided for this purpose.
  • Engine 10 is then started and run for a few minutes to allow filter 52 to fill.
  • the oil level in the sump of crankcase 12 is then checked and sufficient oil is added to bring the level of the oil in the sump of crankcase 12 to a specified mark.
  • a lubricating circuit for said engine including means'for supplying a lubricating fluid to said engine.
  • said engine including a crankcase.
  • a filter connected in a fluid flow path of said lubricating circuit for filtering impurities from lubricating fluid flowing in said circuit, a first drain line distinct from said lubricating circuit and connectedto said sump for draining said sump, a second drain line distinct from said lubricating circuit and connected tosaid filter for draining a fluid sludge or the like which has collected in said filter.
  • a common drain manifold for said sump and for said filter, said common drain manifold including a drain outlet, said first and said second drain lines being connected influid communication with said common drain manifold, a drain plug received in said manifold in plugging relation to said drain outlet whereby to prevent drainage from said sump and from said filter through said drain outlet.
  • said plug being movable out of plugging relation to said drain outlet to permit'drainage from said sump and'from said filter through said drain outlet, and sealing meansbetween said plug and a surface of said manifold for fluidly isolating said first and said second drainlines'from each other when said plug is in plugging relation to said drain outlet, whereby to prevent contamination of lubricating fluid in' said sump by sludge from said filter.
  • crankcase guard and-so positioned as topermit access to said drain plug and to permit drainage from said drain outlet of said manifold when said drain plug is not in plugging relation to-said drain outlet.
  • a lubricating circuit for said engine including means for supplying a lubricating fluid to said engine, said engine including a crankcase providing a sump for lubricating fluid, a filter connectcd in a fluid flow path of said lubricating circuit for filtering impurities from lubricating fluid flowing in said circuit, a first drain line distinct from said lubricating circuit and connected to said sump for draining said sump, a second drain line distinct from said lubricating circuit and connected to said filter for draining a fluid sludge or the like which has collected in said filter, a common drain manifold for said sump and for said filter, said common drain manifold including a drain passage having a drain outlet, said first and said second drain lines being connected in fluid communication with said drain passage, a plug received in said drain passage in plugging relation to said drain outlet whereby to prevent drainage from said sump and from said filter through said drain outlet, said plug being movable out of plugging relation to said drain outlet to permit drainage from

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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)
US45262674 1974-03-19 1974-03-19 Common drainage system and apparatus for engine oil sump and for oil filter of engine Expired - Lifetime US3908797A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US45262674 US3908797A (en) 1974-03-19 1974-03-19 Common drainage system and apparatus for engine oil sump and for oil filter of engine
CA221,407A CA1010383A (en) 1974-03-19 1975-03-06 Common drainage system and apparatus for engine oil sump and for oil filter of engine
IT2125775A IT1034272B (it) 1974-03-19 1975-03-13 Sistema ed apparato di scarico comune per la coppa dell olio ed il filtro dell olio di un motore
GB1100875A GB1456806A (en) 1974-03-19 1975-03-17 Engine lubricating oil drainage system and apparatus
JP3349575A JPS50128028A (US07922777-20110412-C00004.png) 1974-03-19 1975-03-19
DE19752512077 DE2512077B2 (de) 1974-03-19 1975-03-19 Schmieroelablasseinrichtung fuer eine brennkraftmaschine
FR7508519A FR2264966B1 (US07922777-20110412-C00004.png) 1974-03-19 1975-03-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45262674 US3908797A (en) 1974-03-19 1974-03-19 Common drainage system and apparatus for engine oil sump and for oil filter of engine

Publications (1)

Publication Number Publication Date
US3908797A true US3908797A (en) 1975-09-30

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Application Number Title Priority Date Filing Date
US45262674 Expired - Lifetime US3908797A (en) 1974-03-19 1974-03-19 Common drainage system and apparatus for engine oil sump and for oil filter of engine

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US (1) US3908797A (US07922777-20110412-C00004.png)
JP (1) JPS50128028A (US07922777-20110412-C00004.png)
CA (1) CA1010383A (US07922777-20110412-C00004.png)
DE (1) DE2512077B2 (US07922777-20110412-C00004.png)
FR (1) FR2264966B1 (US07922777-20110412-C00004.png)
GB (1) GB1456806A (US07922777-20110412-C00004.png)
IT (1) IT1034272B (US07922777-20110412-C00004.png)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991854A (en) * 1974-05-09 1976-11-16 Tilley Howard C Automobile electric vacuum pump filtering system
US4101000A (en) * 1977-07-15 1978-07-18 The United States Of America As Represented By The Secretary Of The Army Easy access oil filter drain system
US4119178A (en) * 1975-11-08 1978-10-10 Daimler-Benz Aktiengesellschaft Internal combustion engine with dry sump lubrication
US4240524A (en) * 1978-08-02 1980-12-23 Toyota Jidosha Kogyo Kabushiki Kaisha Oil flow control device for power transmissions
US4361207A (en) * 1980-11-07 1982-11-30 Roland Sylvestre Apparatus and method for draining engine crankcase
US4776431A (en) * 1986-10-03 1988-10-11 Poling Denzil C Oil change device
US4865156A (en) * 1986-10-03 1989-09-12 Poling Denzil C Oil change device and method
US4875884A (en) * 1988-11-23 1989-10-24 Brunswick Corporation Marine propulsion device with thru-transom engine oil drain system
US5454960A (en) * 1993-11-10 1995-10-03 Advanced Building Technologies, Inc. Oil change and recycling system
US6755704B1 (en) 2003-01-13 2004-06-29 Polaris Industries Inc. Oil tank drain system for watercraft
US20080128207A1 (en) * 2006-12-05 2008-06-05 Skf Usa Inc. Drain bolt
US20080128206A1 (en) * 2006-12-05 2008-06-05 Skf Usa Inc. Drain bolt
US9017121B1 (en) * 2013-02-20 2015-04-28 Brunswick Corporation Outboard marine drive with residual oil change drainage
US10793228B2 (en) 2016-12-02 2020-10-06 Polaris Industries Inc. Structure and assembly for recessed deck portion in pontoon boat
US11192610B2 (en) 2019-10-30 2021-12-07 Polaris Industies Inc. Multiple chine pontoon boat

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042969A1 (de) * 1980-11-14 1982-07-01 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Einrichtung zum ablassen von fluessigkeiten mittels einer loesbaren schraube
FR2554164B3 (fr) * 1983-10-26 1985-11-22 Vincent Marc Bouchon de vidange destine a faciliter le vidage de l'huile contenue dans le carter d'un moteur de vehicule
DE4133550A1 (de) * 1991-10-10 1993-04-15 Deere & Co Vorrichtung zum entfernen von fluessigkeit aus einem behaelter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103947A (en) * 1961-09-13 1963-09-17 Mcneil Machine & Eng Co Drain attachment
US3198211A (en) * 1962-03-30 1965-08-03 Mueller Brass Co Multi-way valve unit having particular o-ring valve and seat structure
US3447636A (en) * 1967-07-24 1969-06-03 Ralph J Bonfilio Automatic oil exchanging system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103947A (en) * 1961-09-13 1963-09-17 Mcneil Machine & Eng Co Drain attachment
US3198211A (en) * 1962-03-30 1965-08-03 Mueller Brass Co Multi-way valve unit having particular o-ring valve and seat structure
US3447636A (en) * 1967-07-24 1969-06-03 Ralph J Bonfilio Automatic oil exchanging system

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991854A (en) * 1974-05-09 1976-11-16 Tilley Howard C Automobile electric vacuum pump filtering system
US4119178A (en) * 1975-11-08 1978-10-10 Daimler-Benz Aktiengesellschaft Internal combustion engine with dry sump lubrication
US4101000A (en) * 1977-07-15 1978-07-18 The United States Of America As Represented By The Secretary Of The Army Easy access oil filter drain system
US4240524A (en) * 1978-08-02 1980-12-23 Toyota Jidosha Kogyo Kabushiki Kaisha Oil flow control device for power transmissions
US4361207A (en) * 1980-11-07 1982-11-30 Roland Sylvestre Apparatus and method for draining engine crankcase
US4776431A (en) * 1986-10-03 1988-10-11 Poling Denzil C Oil change device
US4865156A (en) * 1986-10-03 1989-09-12 Poling Denzil C Oil change device and method
US4875884A (en) * 1988-11-23 1989-10-24 Brunswick Corporation Marine propulsion device with thru-transom engine oil drain system
US5454960A (en) * 1993-11-10 1995-10-03 Advanced Building Technologies, Inc. Oil change and recycling system
US6755704B1 (en) 2003-01-13 2004-06-29 Polaris Industries Inc. Oil tank drain system for watercraft
US20080128207A1 (en) * 2006-12-05 2008-06-05 Skf Usa Inc. Drain bolt
US20080128206A1 (en) * 2006-12-05 2008-06-05 Skf Usa Inc. Drain bolt
WO2008070732A2 (en) * 2006-12-05 2008-06-12 Skf Usa Inc. Improved drain bolt
WO2008070732A3 (en) * 2006-12-05 2008-10-16 Skf Usa Inc Improved drain bolt
US9017121B1 (en) * 2013-02-20 2015-04-28 Brunswick Corporation Outboard marine drive with residual oil change drainage
US10793228B2 (en) 2016-12-02 2020-10-06 Polaris Industries Inc. Structure and assembly for recessed deck portion in pontoon boat
US11420711B2 (en) 2016-12-02 2022-08-23 Polaris Industries Inc. Structure and assembly for recessed deck portion in pontoon boat
US11192610B2 (en) 2019-10-30 2021-12-07 Polaris Industies Inc. Multiple chine pontoon boat
US11661148B2 (en) 2019-10-30 2023-05-30 Polaris Industries Inc. Multiple chine pontoon boat
US11993347B2 (en) 2019-10-30 2024-05-28 Polaris Industries Inc. Multiple chine pontoon boat

Also Published As

Publication number Publication date
DE2512077B2 (de) 1977-12-29
GB1456806A (en) 1976-11-24
JPS50128028A (US07922777-20110412-C00004.png) 1975-10-08
IT1034272B (it) 1979-09-10
CA1010383A (en) 1977-05-17
FR2264966A1 (US07922777-20110412-C00004.png) 1975-10-17
FR2264966B1 (US07922777-20110412-C00004.png) 1978-12-29
DE2512077A1 (de) 1975-10-09

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AS Assignment

Owner name: FIATALLIS EUROPE S.P.A., (FAEU), ZONA INDUSTRIAL S

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:FIAT-ALLIS NORTH AMERICA, INC. A DE CORP.;REEL/FRAME:004390/0126

Effective date: 19850228