US1369239A - Oiling device for internal-combustion engines - Google Patents
Oiling device for internal-combustion engines Download PDFInfo
- Publication number
- US1369239A US1369239A US357965A US35796520A US1369239A US 1369239 A US1369239 A US 1369239A US 357965 A US357965 A US 357965A US 35796520 A US35796520 A US 35796520A US 1369239 A US1369239 A US 1369239A
- Authority
- US
- United States
- Prior art keywords
- oil
- pool
- suction
- lubricant
- engine
- 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
Links
- 238000002485 combustion reaction Methods 0.000 title description 12
- 239000000314 lubricant Substances 0.000 description 25
- 238000005086 pumping Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000002459 sustained effect Effects 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- 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
-
- 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
- F01M2011/0041—Oilsumps with different oil compartments for accommodating movement or position of engines
-
- 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
- F01M2011/007—Oil pickup tube to oil pump, e.g. strainer
Definitions
- The'present prevailing practice in internal combustion engine lubrication, especially motor car engines, consists in pumping oil from a pool carried in the engine base, or other container, and driving it through the oil circulatory system to the various engine bearings to be lubricated.
- dirt, water, carbon, gasolene and other deleterious substances accumulate and collect in the engine base and in the lubricant pool and arecontinuously pumped through the oil circulatory. system with the oil, thereby materially impairing the lubri- 25 eating quality of the oil.
- An object of my invention is the produc tion of a suction pipe or oil intake member which is buoyantly sustained in the oil pool in the engine base and which follows any rise or fall thereof, and which inspires 011 from a point just beneath the surface of the oil pool where the oil lacks impurities.
- Another object of my invention is the production of an oil suction device which is Specification of Letters Patent. t t 22, 192
- Figure 1 is a section in elevation taken through an engine base to which my invention is applied;
- Fig. 2 is a view in elevation showing the suction pipe, the pivotal mount therefor, and the suction pipe float, with other details;
- Fig. 3 is an enlarged fragment of the suction pipe mount viewed on the line 3-3 of Fig. 2;
- Fig. 4 is a bottom plan view of the suction pipe mounted the usual crank shaft 2 having the bearings 3, 3.
- the numeral t indicates an oil circulation pump mounted within the engine base and which maybe driven by the gears 5 and 6 off said crank shaft.
- the oil pump 4 may have a suction inlet pipe 7 the outer end whereof may-be supported by a bracket 8 secured in the engine frame in any suitable manner.
- An oil discharge pipe 9 conducts the lubricant from the pump to the various crank shaft and other bearings for lubrication thereof.
- the engine base 1 may be provided with the bottom opening 10 which may be covered byanoil reservoir or pan 11 secured to said base in any suitable manner.
- a drainage plug 12 may be mounted in the oil pan for exhausting the oil from the pan 11 when desired.
- the oil suction pipe 7 ma carry an elbow 13 at its outer end and a e nding nipple may be connected therewit v
- a suct on pipe elbow 15 may be carried by the nipple 14 and a suction elbow 16 is pivotally connect- 18 which projects from the exterior of theelbow 16, said trunnion being journaled in ous substances settle and collect.
- the elbow 15 may be provided with an annular stop flange 22 formed exteriorly thereof, the face whereofis adapted to engage the annular wall 23 of the counter bore 24: of the elbow 15 in which bore said flange 22 is revolubly arranged.
- the engagement between the flange 22and the wall 23, which is preferably a ground joint for effecting a seal against air or oil leakage, may be resiliently maintained by a coil spring 25 arranged in the bore 19 of the bracket 20, said spring bearing against the trunnion 18 and being seated against a plug 26 closing the end of said bracket bore.
- the numeral 27 indicates a suction pipe member one end whereof may be rigidly coni nected with the pivotal suction elbow 16, the
- the pipe 27 may be provided with the depending bend 30 the oil inlet orifice 31 whereof may be arranged in a plane below the top of the float in order that it may permanently communicate with the oil pool.
- the pipe 27 may be connected with the float 28 by a hinge member 32 to prevent tilting of the float by the upward or downward pivotal movement of the pipe.
- the numeral 33 indicates a screen member made of wire cloth or other suitable material which is mounted upon the under side of the float 28 and covering the suction inlet orifice 31 to exclude dirt, carbon and solid deleterious substances from said pipe.
- the elbow 16 may carry an arm 34 rigid therewith and upon which a counter-balance weight 35 may be adjustably mounted, said arm being provided with a plurality of apertures 36,
- the pipe 27' is buoyantly sustained in the oil pool 29 and that the orifice 31 thereof will always be in communication with the oil pool at a point close to the surface thereof and remote from the oil pan bottom where the dirt, water, gasolene, carbon, and other deleteri- It is also obvious that the pivotal mount of the suction pipe 27 enables the float 28 toreadily adjust itself to the varying level of the oil pool 29 when-the oil is agitated as it will be when an engine is mounted in a motor car which is moving.
- the motor car operator may be assured of efficiency of the oil circulatory system in the most extreme. winter weather on that account.
- strainer carried by said suction inlet member and arranged over the inlet orifice of said suction inlet member; and means connected with said suction inlet member for pumping the lubricant from said pool to the engine bearlngs.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
E. J. GULICK.
OILING DEVICE FOR INTERNAL COMBUSTION ENGINES. APPLICATION FILED FEB. II, 1920.
1,369,239; Patented Feb. 22, 1921.
Jhaezz tor Witness: We?
'STS'AVTES- PATENT OFFICE.
EDWARD i'l'. GULICK, OF ELKHART, INISIAIN'A.
OILING DEVICE FORINTERNAL-COMBUSTION IlilIbl'G-INES.
The'present prevailing practice in internal combustion engine lubrication, especially motor car engines, consists in pumping oil from a pool carried in the engine base, or other container, and driving it through the oil circulatory system to the various engine bearings to be lubricated. In such a system dirt, water, carbon, gasolene and other deleterious substances accumulate and collect in the engine base and in the lubricant pool and arecontinuously pumped through the oil circulatory. system with the oil, thereby materially impairing the lubri- 25 eating quality of the oil.
And also, in such a system considerable water accumulates in the engine base by condensation and from gasolene of poor quality, and when the motor is allowed to stand idle for a period of time, the water forms a pool in the bottom of the engine base, or 011 an, and freezes in cold or winter weather. n almost all, if not all, motor car engines the oil suction pipe has its inlet orifice adjacent the bottom of the oil pan and within the area or plane of water accumulation, and when such water accumulates and freezes, the suction pipe inlet orifice is closed by the ice, thereby rendering the oil pump and the oil circulatory system temporarily inoperative. Such a condition may not become known to the motor car operator until the lack of oil in engine bearings has caused serious injury to or practically ruined the motor.
An object of my invention is the produc tion of a suction pipe or oil intake member which is buoyantly sustained in the oil pool in the engine base and which follows any rise or fall thereof, and which inspires 011 from a point just beneath the surface of the oil pool where the oil lacks impurities.
Another object of my invention is the production of an oil suction device which is Specification of Letters Patent. t t 22, 192
Application filed February 11, 1920. Serial No. 857,965.
buoyantly sustained in the oil pool of the engine base or, container, the inlet orifice whereof is always in communication with the lubricant body and above any water accumulation in the lubricant container or oil pan. Other objects of my invention are mentioned and described herein.
The preferred embodiment of my invention is illustrated in the accompanying drawing in which Figure 1 is a section in elevation taken through an engine base to which my invention is applied; Fig. 2 is a view in elevation showing the suction pipe, the pivotal mount therefor, and the suction pipe float, with other details; Fig. 3 is an enlarged fragment of the suction pipe mount viewed on the line 3-3 of Fig. 2; and Fig. 4 is a bottom plan view of the suction pipe mounted the usual crank shaft 2 having the bearings 3, 3. The numeral t indicates an oil circulation pump mounted within the engine base and which maybe driven by the gears 5 and 6 off said crank shaft. The oil pump 4 may have a suction inlet pipe 7 the outer end whereof may-be supported by a bracket 8 secured in the engine frame in any suitable manner. An oil discharge pipe 9 conducts the lubricant from the pump to the various crank shaft and other bearings for lubrication thereof.
The engine base 1 may be provided with the bottom opening 10 which may be covered byanoil reservoir or pan 11 secured to said base in any suitable manner. A drainage plug 12 may be mounted in the oil pan for exhausting the oil from the pan 11 when desired. The oil suction pipe 7 ma carry an elbow 13 at its outer end and a e nding nipple may be connected therewit v A suct on pipe elbow 15 may be carried by the nipple 14 and a suction elbow 16 is pivotally connect- 18 which projects from the exterior of theelbow 16, said trunnion being journaled in ous substances settle and collect.
the bore 19 of the bracket 20 which may be fastened to the elbow 15 by a screw 21. The elbow 15 may be provided with an annular stop flange 22 formed exteriorly thereof, the face whereofis adapted to engage the annular wall 23 of the counter bore 24: of the elbow 15 in which bore said flange 22 is revolubly arranged. The engagement between the flange 22and the wall 23, which is preferably a ground joint for effecting a seal against air or oil leakage, may be resiliently maintained by a coil spring 25 arranged in the bore 19 of the bracket 20, said spring bearing against the trunnion 18 and being seated against a plug 26 closing the end of said bracket bore.v
The numeral 27 indicates a suction pipe member one end whereof may be rigidly coni nected with the pivotal suction elbow 16, the
other end whereof may be connected with and carried by a hollow float member 28 adapted to float upon or in the oil pool 29 contained in the oil pan 11. The pipe 27 may be provided with the depending bend 30 the oil inlet orifice 31 whereof may be arranged in a plane below the top of the float in order that it may permanently communicate with the oil pool. The pipe 27 may be connected with the float 28 by a hinge member 32 to prevent tilting of the float by the upward or downward pivotal movement of the pipe.
The numeral 33 indicates a screen member made of wire cloth or other suitable material which is mounted upon the under side of the float 28 and covering the suction inlet orifice 31 to exclude dirt, carbon and solid deleterious substances from said pipe. The elbow 16 may carry an arm 34 rigid therewith and upon which a counter-balance weight 35 may be adjustably mounted, said arm being provided with a plurality of apertures 36,
36, any of which apertures may be engaged by a weight supporting pin 37 which is connected w1th said weight. v
In operation, it is obvious that the pipe 27' is buoyantly sustained in the oil pool 29 and that the orifice 31 thereof will always be in communication with the oil pool at a point close to the surface thereof and remote from the oil pan bottom where the dirt, water, gasolene, carbon, and other deleteri- It is also obvious that the pivotal mount of the suction pipe 27 enables the float 28 toreadily adjust itself to the varying level of the oil pool 29 when-the oil is agitated as it will be when an engine is mounted in a motor car which is moving.
In cold weather or in winter, the body of water which has collected in the oil pan bottom may freeze, but the operativeness of the suction ipe 27 is in no way impaired thereby, for t e inlet orifice 31 thereof always lies in a plane above any such water body, and
the motor car operator may be assured of efficiency of the oil circulatory system in the most extreme. winter weather on that account.
I claim:
1. The combination with the lubricant container of an internal combustion engine and the pool of lubricant contained therein, of a lubricant suction inlet member buoyantly sustained in said lubricant pool; and means connected with said suction inlet member for pumping the lubricant from said pool to the engine bearings.
2, The combination with the lubricant container of an internal combustion engine and the pool of lubricant contained therein, of a counter-balanced suction inlet member buoyantly sustained in said lubricant pool;
and means connected with said suction in-. let member for pumping the lubricant from said pool to the engine bearings.
3. The combination with the lubricant container of an internal combustion engine and the pool of lubricant contained therein, of a lubricant suction inlet member buoyantly sustained in said lubricant pools; a
strainer carried by said suction inlet member and arranged over the inlet orifice of said suction inlet member; and means connected with said suction inlet member for pumping the lubricant from said pool to the engine bearlngs.
5. The combination with the lubricant container of an internal combustion engine and the pool of lubricant contained therein, of a pivotally mounted-lubricant suction inlet member buoyantly sustained in said lubricant pool; and means connected with said suction inlet member for pumping lubricant from said pool to the engine bearings.
6. The combination with the oil pan of an internal combustion engine and the pool of oil contained therein, of a buoyant oil suction conduit disposed in the oil pooland having its oil inlet orifice in constant communication therewith; and means connected with said suction conduit for pumping the oil from said pool to the engine bearings.
7. The combination with the oil pan of an internal combustion engine and the pool of I oil contained therein, of a buoyant oil suction conduit disposed in the oil pool, and having its oil inlet orifice in constant communication therewith; a strainer arranged over the inlet orifice of said suction conduit; and
means connected with said suction conduit for pumping the oil from said pool to the engine bearings.
8. The combination-with the oil pan of an internal combustion en 'ne andthe pool of oil contained therein, ofl a movably mounted oil suction conduit; a float member buoyantly disposed in said oil pool with which said oil suction conduit is connected and which is adapted to sustain the inlet orifice of said suction conduit in constant communication with the pool of oil; and means connected with said suction conduit for pumping the oil from said poolto the engine bearings.
9. The combination with the oil pan of an internal combustion engine and the pool of oil contained therein, of a movably mounted oil suction conduit; a float member buoyant-1y disposed in said oil pool with which said suction conduit is connected and which is adapted to sustain the inlet orifice of said suction conduit in constant communication with the pool of oil adjacent its surface; and means connected with said sucsaid pool inlet member buoyantly sustained in said lubricant pool, said pivotal mount including a spring pressed member to effect a seal; and means connected with said suction inlet member for pumping'lubricant from. said pool to the engine bearings. I
11. The combination with an oil pan of an internal combustion engine and the pool of oil contained therein, of a float buoyantly disposed in said oil pool; a movably mounted suction conduit member connected with said float and having an inlet orifice in communication with the oil pool; a screen carried by the float and arranged over the inlet orifice of said suction conduit; and means connected with said suction conduit for pumping oil- 'from said pool to the engine bearings. u, 1 J
In witness whereof I have hereunto aflixed my signature this 6th day of February, 1920.
EDWARD J. GULICK.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US357965A US1369239A (en) | 1920-02-11 | 1920-02-11 | Oiling device for internal-combustion engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US357965A US1369239A (en) | 1920-02-11 | 1920-02-11 | Oiling device for internal-combustion engines |
Publications (1)
Publication Number | Publication Date |
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US1369239A true US1369239A (en) | 1921-02-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US357965A Expired - Lifetime US1369239A (en) | 1920-02-11 | 1920-02-11 | Oiling device for internal-combustion engines |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE749364C (en) * | 1942-10-27 | 1945-01-10 | Device for maintaining essentially the same temperature of the oil circulating in internal combustion engines | |
US2832512A (en) * | 1956-01-19 | 1958-04-29 | Troy H Brooks | Floating suction for liquids |
US3194442A (en) * | 1959-04-02 | 1965-07-13 | Sjoblom Kai | Tank vehicle |
US4056168A (en) * | 1974-12-05 | 1977-11-01 | Daimler-Benz Aktiengesellschaft | Arrangement of the suction funnel of an oil pump in the sump of an internal combustion engine |
US4179379A (en) * | 1978-02-23 | 1979-12-18 | Firl Industries, Inc. | Pick-up nozzle |
DE102004056293A1 (en) * | 2004-11-22 | 2006-05-24 | Audi Ag | Internal combustion engine`s gear accommodating device, has liquid lubricant in particular lubricating oil, and lubricating pump to which exhaust is attached, where pump takes out lubricant from lubricant manifold in particular oil pan |
DE102004057221A1 (en) * | 2004-11-26 | 2006-06-01 | Audi Ag | Lubricating oil supplying device for drive of internal combustion engine, has rotating unit and/or valves that are provided such that lubricating oil at extractions points in two different areas of lubricant collector is extracted |
DE102004057223A1 (en) * | 2004-11-26 | 2006-06-01 | Audi Ag | Lubricating oil supplying device for passenger car, has pump for tapping lubricant from oil collection e.g. oil sump, and guiding device for attaining different level of intake of lubricant, where level of intake of lubricant is adjustable |
FR2893082A1 (en) * | 2005-11-08 | 2007-05-11 | Renault Sas | Hydraulic fluid e.g. oil, suction device for hydraulic fluid pump, has blade mounted on suction conduit and/or suction strainer so as to be in contact with hydraulic fluid, where conduit is mounted at rotation with respect to pump |
CN110735685A (en) * | 2019-11-19 | 2020-01-31 | 潍柴动力股份有限公司 | oil suction device and engine |
USD916152S1 (en) | 2020-08-24 | 2021-04-13 | Apq Development, Llc | Compression limiter |
USD921045S1 (en) | 2020-08-24 | 2021-06-01 | Apq Development, Llc | Oil pick-up assembly |
US11028741B1 (en) | 2020-08-24 | 2021-06-08 | Apq Development, Llc | Oil pick-up assembly |
US11078958B1 (en) | 2020-08-24 | 2021-08-03 | Apq Development, Llc | Compression limiter |
US20230383906A1 (en) * | 2022-05-26 | 2023-11-30 | Atieva, Inc. | Oil sump system to stabilize oil supply |
-
1920
- 1920-02-11 US US357965A patent/US1369239A/en not_active Expired - Lifetime
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE749364C (en) * | 1942-10-27 | 1945-01-10 | Device for maintaining essentially the same temperature of the oil circulating in internal combustion engines | |
US2832512A (en) * | 1956-01-19 | 1958-04-29 | Troy H Brooks | Floating suction for liquids |
US3194442A (en) * | 1959-04-02 | 1965-07-13 | Sjoblom Kai | Tank vehicle |
US4056168A (en) * | 1974-12-05 | 1977-11-01 | Daimler-Benz Aktiengesellschaft | Arrangement of the suction funnel of an oil pump in the sump of an internal combustion engine |
US4179379A (en) * | 1978-02-23 | 1979-12-18 | Firl Industries, Inc. | Pick-up nozzle |
DE102004056293A1 (en) * | 2004-11-22 | 2006-05-24 | Audi Ag | Internal combustion engine`s gear accommodating device, has liquid lubricant in particular lubricating oil, and lubricating pump to which exhaust is attached, where pump takes out lubricant from lubricant manifold in particular oil pan |
DE102004057221A1 (en) * | 2004-11-26 | 2006-06-01 | Audi Ag | Lubricating oil supplying device for drive of internal combustion engine, has rotating unit and/or valves that are provided such that lubricating oil at extractions points in two different areas of lubricant collector is extracted |
DE102004057223A1 (en) * | 2004-11-26 | 2006-06-01 | Audi Ag | Lubricating oil supplying device for passenger car, has pump for tapping lubricant from oil collection e.g. oil sump, and guiding device for attaining different level of intake of lubricant, where level of intake of lubricant is adjustable |
FR2893082A1 (en) * | 2005-11-08 | 2007-05-11 | Renault Sas | Hydraulic fluid e.g. oil, suction device for hydraulic fluid pump, has blade mounted on suction conduit and/or suction strainer so as to be in contact with hydraulic fluid, where conduit is mounted at rotation with respect to pump |
EP1788205A2 (en) * | 2005-11-08 | 2007-05-23 | Renault s.a.s. | Suction device with mobile oil strainer for vehicle engine oil pump |
EP1788205A3 (en) * | 2005-11-08 | 2010-07-21 | Renault s.a.s. | Suction device with mobile oil strainer for vehicle engine oil pump |
CN110735685A (en) * | 2019-11-19 | 2020-01-31 | 潍柴动力股份有限公司 | oil suction device and engine |
USD916152S1 (en) | 2020-08-24 | 2021-04-13 | Apq Development, Llc | Compression limiter |
USD921045S1 (en) | 2020-08-24 | 2021-06-01 | Apq Development, Llc | Oil pick-up assembly |
US11028741B1 (en) | 2020-08-24 | 2021-06-08 | Apq Development, Llc | Oil pick-up assembly |
US11078958B1 (en) | 2020-08-24 | 2021-08-03 | Apq Development, Llc | Compression limiter |
US20230383906A1 (en) * | 2022-05-26 | 2023-11-30 | Atieva, Inc. | Oil sump system to stabilize oil supply |
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