US3033311A - Oil removal and gauging apparatus - Google Patents
Oil removal and gauging apparatus Download PDFInfo
- Publication number
- US3033311A US3033311A US786830A US78683059A US3033311A US 3033311 A US3033311 A US 3033311A US 786830 A US786830 A US 786830A US 78683059 A US78683059 A US 78683059A US 3033311 A US3033311 A US 3033311A
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- US
- United States
- Prior art keywords
- oil
- crankcase
- sheath
- dip stick
- pump
- 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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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/04—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks
-
- 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
- F01M11/045—Removing lubricant by suction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N19/00—Lubricant containers for use in lubricators or lubrication systems
- F16N19/003—Indicating oil level
Definitions
- FIG. 1 OIL REMOVAL AND GAUGING APPARATUS Filed Jan. 14, 1959 FIG. 1
- This invention relates to internal combustion engines and is particularly directed to the provision of means for effecting a rapid and efiicient draining of the lubricating oil from the crankcase of an engine.
- a further object is to devise an oil change means for withdrawing the oil without the insertion of a temporary withdrawal tube into the crankcase.
- a further object is to provide a combined dip stick casing and oil withdrawal tube on the crankcase of an engine.
- our invention comprises the provision of a tube of sufficient diameter to form a sheath or guide tube for the dip stick on an internal combustion engine and to extend this tube inside the crankcase to the bottom thereof.
- the external upper end of the tube is provided with means for connecting the inlet of a pump for withdrawal of the crankcase oil.
- FIG. I is a fragmentary sectional view of an internal combustion engine showing a dip stick in place.
- FIG. II is a similar view of the engine shown in FIG. I with dip stick removed and connection made to an oil withdrawal mechanism.
- FIG. III is a longitudinal section of an alternative form dip stick casing.
- FIG. IV is an enlarged sectional view of the coupling means shown in FIG. II.
- crankcase 2 The internal combustion engine, only part of which is shown, generally indicated by numeral 1, is provided with a crankcase 2.
- a removable oil dip stick or rod 3 extends part way.
- a casing or sheath 4 Surrounding the rod 3 is a casing or sheath 4 which is attached to and forms part of the engine construction.
- the sheath in the form shown in FIGS. I and II, extends into the crankcase at an angle and is provided with a lower open end 5 which is normal to the longitudinal axis of the sheath.
- oil 6 in the crankcase can readily seek its own level inside the sheath, there being an ample opening provided from the interior of the crankcase to the interior of the sheath in View of the sheath meeting the bottom face of the crankcase at an angle less than de rees.
- An oil drainage sump 7 may be formed below the lower end of the sheath.
- the upper end of the sheath 4 extends beyond the exterior surface of the engine 1 so that attachment of external piping can readily be made.
- the upper end of the dip stick 3 can be provided with a flange 8 so as to cover the upper end of the sheath and prevent the ingress of dirt and to prevent crankcase fumes from escaping at this point.
- FIG. II shows an engine 1 being serviced by having the oil of its crankcase 2 removed by means of our invention.
- the dip stick 3 has been removed and a coupling member 9 on the end of a flexible pipe and having a suitable tapered sleeve 11 attached by push-fit to the sheath 4 so as to provide an airtight joint.
- the sleeve 11 is preferably made of oil resistant rubber or other suitable elastorner.
- the flexible pipe or hose 10 is connected at its other end to rigid piping leading to the inlet of. a suitable pump such as a gear pump 12 driven by an airmotor 13.
- the gear pump 12 and airmotor 13 can be mounted on the top of a container or drum 14 having casters 15.
- the outlet of the pump 12 can be arranged to discharge into the drum through pipe 16.
- a faucet 17 at the bottom of the drum permits the removal of accumulated used oil for ultimate disposal.
- a transparent section 18 can be installed near the inlet to the pump 12.
- the airmotor 13 is provided with a chuck or other connection 19 so that an air line connected to a source of air pressure can be used to operate the motor.
- An indicator knob 23 attached by a shaft 24, to a float Z5 is located in the top of the container 14.
- the shaft 24 passes through a loose fitting sleeve 26 in the top sheet of the container 14.
- the indicator knob will become elevated thus warning the service station attendant that the container 14 requires emptying.
- the lower end of the sheath 4 may be provided with deep serrations or indentations 20 such as shown in FIG. III.
- This type of opening for the oil will be desirable in engines where the dip stick and sheath are mounted vertically in the crankcase. With a vertically mounted dip stick sheath the lower end thereof could, if desired, be cut off diagonally to ensure free entry of oil into the sheath.
- a shut-off valve 28 is preferably mounted at the pump inlet and a valved inlet 29 connected by means of a pipe T piece 30, the inlet 29 being provided with a suitable connection for a source of air under pressure.
- the purpose of the above is as follows: Under some operating conditions sludge forms in the This sludge is in some cases of a viscous nature and in other cases substantially solid. With the use of our sheath-oil withdrawal pipe it is possible that amounts of sludge could remain in the sheath at the end of the oil removal or could block or partially block the opening in the bottom of the sheath.
- valve 22 is preferably closed after all oil is removed from the crankcase.
- An air hose then can be connected to the valved inlet 29 and air under pressure forced into the sheath and associated piping. By this procedure any sludge in the sheath 4 will be blown back into the crankcase and away from the lower end 5 of the sheath.
- a straight dip stick sheath is shown, we can, however, where desired, employ a dip stick sheath of curved shape.
- a dip stick sheath and a somewhat flexible dip stick would be particularly adapted for use in internal combustion engines having sump sections of their crankcases relatively inaccessible.
- dip stick sheath having a smooth exterior upper end whereby connection to an oil removal pump by a push-fit type coupling can be made
- a crankcase In an internal combustion engine: a crankcase, a dip stick extending into said crankcase, a thin walled, uniform diameter tubular sheath in said crankcase surrounding said dip stick and extending to the bottom of the crankcase, an opening in the lower end of said sheath for the admission of oil thereto, the wall of said sheath being imperforate throughout its length, the upper end of said sheath protruding externally beyond the wall of the crankcase and adapted for connection to external suction piping by push-fit connection, the highest point of said opening in the lower end of said sheath being substantially at the bottom of said crankcase whereby the crankcase can be emptied through said tubular sheath upon the application of suction thereto.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
y 1962 J. A. EDGAR ETAL 3,033,311
OIL REMOVAL AND GAUGING APPARATUS Filed Jan. 14, 1959 FIG. 1
l0 FIG. III
, lizwm,
FIG. III
INVENTORS:
J. A. EDGAR F. R. WATSON IV. D. gum! THEIR ATTORNEY United States Patent Ofihce 3,933,311 Patented May 8, 1962 3,033,311 01L REMOVAL AND GAUGING APPARATUS John A. Edgar, Martinez, Calif., and Frederic R. Watson, Westport, Conn, assignors to Shell Oil Company, New York, N.Y., a corporation of Delaware Filed Jan. 14, 1959, Ser. No. 786,830 1 Claim. (61. 134-15) This invention relates to internal combustion engines and is particularly directed to the provision of means for effecting a rapid and efiicient draining of the lubricating oil from the crankcase of an engine.
Heretofore it has been the practice in changing the oil in the crankcase of automobile engines to elevate the automobile by means of a hoist or to run it over a pit and remove a drain plug from the bottom of the crankcase so that the oil may flow by gravity into a suitable container. After replacement of the drain plug, fresh oil is poured into the crankcase through a filler pipe situated on the upper part of the crankcase or situated on the valve cover.
As will be apparent, the above system of changing the oil in a crankcase is both time-consuming and inconvenient.
Another approach to the problem of removing the oil from the crankcase has been to insert a small diameter tube through the dipstick opening in the. top of the crankcase and by means of a suitable pump withdraw the oil to a container for disposal. Such an arrangement has an advantage that the necessity of putting the car on a hoist or over a pit and removing the drain plug is avoided. However, the employment of such an insert tube is not in many cases possible as the dip stick opening is either of too small a diameter or is inaccessible. A further disadvantage in the use of such a withdrawal tube is that there is in some cases no assurance to the operator or owner of the automobile that the tube has been inserted to the bottom of the crankcase and substantially all the oil withdrawn.
It is an object of our invention to devise a rapid oil removal system.
A further object is to devise an oil change means for withdrawing the oil without the insertion of a temporary withdrawal tube into the crankcase. v
A further object is to provide a combined dip stick casing and oil withdrawal tube on the crankcase of an engine.
The further objects of our invention will be apparent from the following description.
In brief, our invention comprises the provision of a tube of sufficient diameter to form a sheath or guide tube for the dip stick on an internal combustion engine and to extend this tube inside the crankcase to the bottom thereof. The external upper end of the tube is provided with means for connecting the inlet of a pump for withdrawal of the crankcase oil.
The further details of our invention will be understood from the detailed description of an embodiment thereof throughout which reference is made to the accompanying drawing wherein:
FIG. I is a fragmentary sectional view of an internal combustion engine showing a dip stick in place.
FIG. II is a similar view of the engine shown in FIG. I with dip stick removed and connection made to an oil withdrawal mechanism.
FIG. III is a longitudinal section of an alternative form dip stick casing.
FIG. IV is an enlarged sectional view of the coupling means shown in FIG. II.
The internal combustion engine, only part of which is shown, generally indicated by numeral 1, is provided with a crankcase 2. Into this a removable oil dip stick or rod 3 extends part way. Surrounding the rod 3 is a casing or sheath 4 which is attached to and forms part of the engine construction. The sheath in the form shown in FIGS. I and II, extends into the crankcase at an angle and is provided with a lower open end 5 which is normal to the longitudinal axis of the sheath. By such construction, oil 6 in the crankcase can readily seek its own level inside the sheath, there being an ample opening provided from the interior of the crankcase to the interior of the sheath in View of the sheath meeting the bottom face of the crankcase at an angle less than de rees. An oil drainage sump 7 may be formed below the lower end of the sheath. The upper end of the sheath 4 extends beyond the exterior surface of the engine 1 so that attachment of external piping can readily be made. The upper end of the dip stick 3 can be provided with a flange 8 so as to cover the upper end of the sheath and prevent the ingress of dirt and to prevent crankcase fumes from escaping at this point.
FIG. II shows an engine 1 being serviced by having the oil of its crankcase 2 removed by means of our invention. As will be seen by reference to this figure and to FIG. IV, the dip stick 3 has been removed and a coupling member 9 on the end of a flexible pipe and having a suitable tapered sleeve 11 attached by push-fit to the sheath 4 so as to provide an airtight joint. The sleeve 11 is preferably made of oil resistant rubber or other suitable elastorner. The flexible pipe or hose 10 is connected at its other end to rigid piping leading to the inlet of. a suitable pump such as a gear pump 12 driven by an airmotor 13. The gear pump 12 and airmotor 13 can be mounted on the top of a container or drum 14 having casters 15. The outlet of the pump 12 can be arranged to discharge into the drum through pipe 16. A faucet 17 at the bottom of the drum permits the removal of accumulated used oil for ultimate disposal.
A transparent section 18 can be installed near the inlet to the pump 12. The airmotor 13 is provided with a chuck or other connection 19 so that an air line connected to a source of air pressure can be used to operate the motor.
An indicator knob 23 attached by a shaft 24, to a float Z5 is located in the top of the container 14. The shaft 24 passes through a loose fitting sleeve 26 in the top sheet of the container 14. As will be apparent upon the level of used oil rising sufficiently, the indicator knob will become elevated thus warning the service station attendant that the container 14 requires emptying.
In utilizing our invention to change the oil in the crankcase of an engine, such as that of an automobile, an operator removes the dip stick 3 from the engine and connects the flexible pipe 10 leading to the pump 12. On starting up the airmotor 13, the pump will draw oil from. the crankcase 2 and discharge it into the drum 14. By observing the flow past the transparent section 18 it can be determined when the oil has been withdrawn and air is being sucked into the end 5 of the sheath 4. The pumping is then stopped, the hose disconnected from the sheath, and the drum 14 moved away by means of the casters. Fresh oil is then poured into the crankcase through the usual filler pipe and the dip stick 3 replaced.
in the sheath.
Instead of providing the lower end of the sheath 4 with an opening as shown in FIGS. 1 and II, the lower end may be provided with deep serrations or indentations 20 such as shown in FIG. III. This type of opening for the oil will be desirable in engines where the dip stick and sheath are mounted vertically in the crankcase. With a vertically mounted dip stick sheath the lower end thereof could, if desired, be cut off diagonally to ensure free entry of oil into the sheath.
We have found that very satisfactory results are obcrankcase of internal combustion engines.
tained when employing a withdrawal pipe of 7 internal diameter and having a wall thickness of &
As shown in FIG. II, a shut-off valve 28 is preferably mounted at the pump inlet and a valved inlet 29 connected by means of a pipe T piece 30, the inlet 29 being provided with a suitable connection for a source of air under pressure. The purpose of the above is as follows: Under some operating conditions sludge forms in the This sludge is in some cases of a viscous nature and in other cases substantially solid. With the use of our sheath-oil withdrawal pipe it is possible that amounts of sludge could remain in the sheath at the end of the oil removal or could block or partially block the opening in the bottom of the sheath. Accordingly, to ensure that sludge does not remain so lodged and thereby efliect subsequent readings of oil levels on the dip stick, the valve 22 is preferably closed after all oil is removed from the crankcase. An air hose then can be connected to the valved inlet 29 and air under pressure forced into the sheath and associated piping. By this procedure any sludge in the sheath 4 will be blown back into the crankcase and away from the lower end 5 of the sheath.
While we prefer to use an airmotor to drive the pump, in view of the readily availability of air under pressure at most oil service stations, it will be realized that other motive power such as an electric motor or a hand-cranked pump could be used in place of an air motor.
Instead of providing air blow-back system as above to clean out the withdrawal pipe, we may provide that the pump 12 is reversible and that pipe 16 extend to the bottom of container 14. By a back pumping of fluid into the crankcase 2 for short periods, a scouring of the crankcase and withdrawal pipe can be obtained to remove solid deposits such as sludge therein.
While we have shown in FIG. II a drum 14 for receiving the oil withdrawn from the crankcase, in some cases we may provide that the discharge pipe 16 terminate in a pail or other open container. By the above arrangement, the customer can readily see the quantity of the oil and the condition thereof as it is withdrawn from the crankcase of his car.
In the embodiment of the invention a straight dip stick sheath is shown, we can, however, where desired, employ a dip stick sheath of curved shape. Such a curved dip stick sheath and a somewhat flexible dip stick would be particularly adapted for use in internal combustion engines having sump sections of their crankcases relatively inaccessible.
While we have shown a dip stick sheath having a smooth exterior upper end whereby connection to an oil removal pump by a push-fit type coupling can be made, it will be realized that we may provide threads, lugs or other common pipe coupling elements thereon whereby a quick air-tight joint may be made with the oil withdrawal means.
Besides incorporating our dip stick sheath as part of the crankcase construction of an automotive or other engine, we also contemplate the adaption of our invention to automotive transmissions, gear boxes, and the like, which have a supply of fluid lubricant contained therein. Good maintenance practice requires that the level of fluid therein be periodically checked, the contents drained and replenished with fresh fluid. This requirement is especially necessary with transmissions of the automatic type. The application to other machinery having an oil bath case, such as industrial transmissions, marine engines and transmissions, farm equipment, et cetera, is contemplated.
While preferred embodiments of the invention have been described and illustrated by way of example, it will be obvious that changes may be made therein within the spirit and scope of the invention as set forth in the appended claim.
We claim as our invention:
In an internal combustion engine: a crankcase, a dip stick extending into said crankcase, a thin walled, uniform diameter tubular sheath in said crankcase surrounding said dip stick and extending to the bottom of the crankcase, an opening in the lower end of said sheath for the admission of oil thereto, the wall of said sheath being imperforate throughout its length, the upper end of said sheath protruding externally beyond the wall of the crankcase and adapted for connection to external suction piping by push-fit connection, the highest point of said opening in the lower end of said sheath being substantially at the bottom of said crankcase whereby the crankcase can be emptied through said tubular sheath upon the application of suction thereto.
References Cited in the file of this patent UNITED STATES PATENTS 1,549,952 Anderson Aug. 18, 1925 1,788,709 De Spain Jan. 13, 1931 1,962,623 Swcetland June 12, 1934 2,153,878 Wood Apr. 11, 1939 2,239,402 Sachs Apr. 22, 1941 2,240,227 Saussure Apr. 29, 1941 2,297,850 Woolery Oct. 6, 1942 2,320,048 Parson May 25, 1943 2,550,897 Wilson May 1, 1951 2,554,389 Stevens May 22, 1951 2,609,890 Millar Sept. 9, 1952 2,661,869 Simpson Dec. 8, 1953
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US786830A US3033311A (en) | 1959-01-14 | 1959-01-14 | Oil removal and gauging apparatus |
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US786830A US3033311A (en) | 1959-01-14 | 1959-01-14 | Oil removal and gauging apparatus |
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US786830A Expired - Lifetime US3033311A (en) | 1959-01-14 | 1959-01-14 | Oil removal and gauging apparatus |
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Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5170378U (en) * | 1974-11-29 | 1976-06-03 | ||
US4095673A (en) * | 1975-06-19 | 1978-06-20 | Beaty Hanbai Kabushiki Kaisha | Oil changer |
US4095672A (en) * | 1976-04-07 | 1978-06-20 | Atlantic Richfield Company | Apparatus for removal of lubricating composition and methods for using same |
JPS5444836U (en) * | 1977-09-02 | 1979-03-28 | ||
US4197744A (en) * | 1978-08-14 | 1980-04-15 | Overstreet Robbie J | Gas safety roof gauging control hatch adapter |
US4589524A (en) * | 1985-07-09 | 1986-05-20 | Sundstrand Corporation | Overfill valve |
EP0355474A1 (en) * | 1988-08-25 | 1990-02-28 | Iveco Magirus Aktiengesellschaft | Oil filling device with an oil filler tube and an oil dip stick |
US4940114A (en) * | 1989-09-05 | 1990-07-10 | Albrecht Kenneth D | Engine prelubricating system |
US5062398A (en) * | 1990-04-27 | 1991-11-05 | K. J. Manufacturing | Apparatus and method for changing oil in an internal combustion engine with optional flushing |
US5090376A (en) * | 1990-04-27 | 1992-02-25 | K.J. Manufacturing Co. | Main gallery - filter connection |
US5094201A (en) * | 1990-04-27 | 1992-03-10 | K.J. Manufacturing Co. | Main gallery-filter connection |
US5148785A (en) * | 1991-05-28 | 1992-09-22 | Sendak International Corp. | System for removing lubricating oil from an internal combustion engine oil pan |
US5184939A (en) * | 1988-08-17 | 1993-02-09 | Solomon Stuart G | Above-ground storage system |
US5263445A (en) * | 1990-04-27 | 1993-11-23 | K.J. Manufacturing Co. | Apparatus and method for changing oil in an internal combustion engine and simultaneously determining engine oil consumption and wear |
US5382138A (en) * | 1993-01-29 | 1995-01-17 | Chilton; Daniel T. | Device for emptying the sewage holding tank of a boat |
US5452695A (en) * | 1990-04-27 | 1995-09-26 | K. J. Manufacturing Co. | Apparatus and method for changing oil in an internal combustion engine at a location adjacent to an engine oil filter unit |
US5505643A (en) * | 1994-10-21 | 1996-04-09 | Brunswick Corporation | Oil removal device for outboard motor |
US5515881A (en) * | 1994-06-08 | 1996-05-14 | Ballew; Jack L. | Multi-storage tanks and dispensing units |
US5871068A (en) * | 1994-10-18 | 1999-02-16 | Selby; Theodore W. | Device for precise replacement of liquids, before, during, or after operation of a mechanism with method of use thereof |
US5957170A (en) * | 1990-04-27 | 1999-09-28 | K. J. Manufacturing Co. | Apparatus and method for changing oil in an internal combustion engine and simultaneously determining engine oil consumption and wear |
US6019196A (en) * | 1995-10-10 | 2000-02-01 | Theodore W. Selby | Bag-containing device for precise replacement of liquid before, during, or after operation of a mechanism, and method of its use |
US6330934B1 (en) * | 1991-10-23 | 2001-12-18 | James P. Viken | Complete fluid exchange system for automatic transmissions |
US6378657B2 (en) | 1991-10-23 | 2002-04-30 | James P. Viken | Fluid exchange system |
US6435307B2 (en) | 1998-07-09 | 2002-08-20 | Theodore W. Selby | Precise replacement of liquids and components in a liquid mixture |
FR2849693A1 (en) * | 2003-01-07 | 2004-07-09 | Renault Sa | Oil dipstick for thermal engine, has tubular part with upper end closed up by removable stopper and lower end linked to stem by rib for permitting passage of oil, where stem has end dipped into oil for reading oil level |
US20050133304A1 (en) * | 1991-10-23 | 2005-06-23 | Viken James P. | Fluid exchange system for vehicles |
US20060130801A1 (en) * | 2004-12-20 | 2006-06-22 | Yoshinori Suzuki | Oil pan structure |
US20070051422A1 (en) * | 2005-08-23 | 2007-03-08 | Williams Judy E | Williams link i, a system and method for using a spill-proof fluid transport galley, pipe, or tube to exchange mechanical fluids |
DE102009055155A1 (en) * | 2009-12-22 | 2011-06-30 | ElringKlinger AG, 72581 | Oil pan has base body and separated oil outlet pipe that is formed by base body, where oil outlet pipe has pipe-sided locking element and base body has base body-sided locking element |
US20140224586A1 (en) * | 2013-11-05 | 2014-08-14 | Hsiang-Yi Yao | Automatic oil injector |
DE102016106312A1 (en) * | 2016-04-06 | 2017-10-12 | Flaco-Geräte GmbH | Device for extracting waste oil from vehicle engines |
US10030553B2 (en) * | 2015-06-01 | 2018-07-24 | David T Bach | Engine revision for peristaltic oil change |
US10947873B2 (en) * | 2015-06-01 | 2021-03-16 | David T Bach | Engine revision for peristaltic oil change |
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Cited By (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5170378U (en) * | 1974-11-29 | 1976-06-03 | ||
US4095673A (en) * | 1975-06-19 | 1978-06-20 | Beaty Hanbai Kabushiki Kaisha | Oil changer |
US4095672A (en) * | 1976-04-07 | 1978-06-20 | Atlantic Richfield Company | Apparatus for removal of lubricating composition and methods for using same |
JPS5444836U (en) * | 1977-09-02 | 1979-03-28 | ||
US4197744A (en) * | 1978-08-14 | 1980-04-15 | Overstreet Robbie J | Gas safety roof gauging control hatch adapter |
US4589524A (en) * | 1985-07-09 | 1986-05-20 | Sundstrand Corporation | Overfill valve |
US5184939A (en) * | 1988-08-17 | 1993-02-09 | Solomon Stuart G | Above-ground storage system |
EP0355474A1 (en) * | 1988-08-25 | 1990-02-28 | Iveco Magirus Aktiengesellschaft | Oil filling device with an oil filler tube and an oil dip stick |
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US5957170A (en) * | 1990-04-27 | 1999-09-28 | K. J. Manufacturing Co. | Apparatus and method for changing oil in an internal combustion engine and simultaneously determining engine oil consumption and wear |
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