US2454585A - Flushing device for engine lubricating systems - Google Patents
Flushing device for engine lubricating systems Download PDFInfo
- Publication number
- US2454585A US2454585A US577682A US57768245A US2454585A US 2454585 A US2454585 A US 2454585A US 577682 A US577682 A US 577682A US 57768245 A US57768245 A US 57768245A US 2454585 A US2454585 A US 2454585A
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- Prior art keywords
- crankcase
- engine
- oil
- valve
- filter
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- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
Definitions
- This invention relates to an apparatus or device which is expressly designed to forcibly circulate a given amount of oil and solvent in the lubricating systems of internal combustion engines, primarily so-called automobiles and trucks.
- the device is constructed to maintain a proper oil level while circulating oil through a filter, thus flushing'out and removing carbon, sludge, water, dirt, varnish and other deposits. these being loosened by suitable solvent oils.
- the solvent oil is pumped from a suitable reservoir through a gear pump equipped with a by-pass valve to regulate proper pressure, is then pumped through a suitable large filter, and from the filter through a flexible hose to the engine filler neck. Then, when aproper amount of solvent oil has been pumped into the engine, the flow of oil is switched from the oil reservoir 01 my device to oil drain plugs of the engine by a flexible hose which circulates solvent oil through the engine. the engine running during this period, maintaining a proper level in the engine and flushing out and filtering dirt and deposit from the engine.
- Figure 1 is a side elevational view of an apparatus constructed in accordance with the principles of the present invention
- FIG. 2 is a relatively small top plan view oi the assemblage seen in Figure 1, showing the valved delivery line leading to the crankcase;
- Figure 3 is likewise a top plan view like Figure 2 showing the valved delivery line flexed around and connected to the solvent reservoir, for fluid return Figure 4 is a sectional and elevational view detailing the filter; v
- Figure 5 is a horizontal section on the line 5-5 of Figure 4, looking in the directionof the arrows.
- the oil filter tank is denoted at I and is provided on its interior (see Fig. 4) with an appropriate filtering cartridge unit 2 01' the replaceable type as shown.
- numeral I designates a vent pipe having a suitable control valve 3a, said pipe being connected with a reservoir to be hereinafter described.
- the tank I is provided with a conical cover 4 which permits access to be had to the filter for cleaning and repacking the filter unit or cartridge. This cover is held in place by bolts 5.
- the aforementioned filter unit 2 embodies a perforated tube 6 for discharging the clean 01], and this screws into the filter tank at the bottom.
- a solvent-containing reservoir 8, together with. tank I are supported on stand I, as is clearly shown in Figure 1.
- Reservoir 8 includes a sight gauge 9 to show when the proper amount of solvent oil has been pumped from the reservoir to the engine crankcase (not shown).
- Numeral Iii denotes a valve closing the discharge of oil from filter tank i
- section line H denotes a hose with a valve 24 on its outer end, said hose serving as the return line from the engine crankcase to 25 the devicethe purpose thereof soon to be more fully explained.
- meral I 4 denotes a relatively small filter or trap for large pieces of carbon and other foreign matter to prevent their passage into gear pump IS.
- a valve I5 prevents the back new of oil from filter i when cleaning the small filter trap It.
- pipe 25 connects to the bottom of reservoir 8 by means of a union I1 and terminates in trap 84.
- Suction line I I terminates in T-connection in pipe 25 adjacent its point of entry into filter it.
- valve I B in pipe 25, between suction line H and reservoir 8, controls the oil flow from the reservoir to filter tank l.
- a flexible drive connection is is provided between the electric motor 20 and the gear pump it.
- a one-quarter horsepower electric motor will do, for a purpose later to be described.
- Numeral 2! is a hose leading from tank I and serves as the delivery line for filtered oil from tank I to the engine, or as the return hose to the supply reservoir 8 as will appear hereinafter.
- pressure regulating by-pass valve 22 is provided and is in communication with the pipes l2 and II. This serves to by-pass oil from the discharge connection of the gear pump back to the inlet connection of said pump in case the pressure in the oil filter I-exceeds the pressure setting of said pressure regulating by-pass valve.
- An oil pressure gauge is shown at 23, and ismounted on the conicalbottom oi the filter.
- the flushing machine reservoir 8 is filled with solvent oil. With valve 2 1 closed and valves II and I6 and I open, and with hose 2i run back to reservoir 8 (see Fig. 3), motor 20 drives gear pump [8, pumping oil irom reservoir 8 through valve it through small filter it, through valve id to the inlet i2 of gear pump l8. It is then pumped through outlet is into filter tank I,
- An apparatus for cleansing a crankcase of an engine and the like comprising, a motor driven pump, a filtering device, a fluid storage chamber, and means including said pump for selectively circulating fluid for cleansing between said storage chamber and said filtering device and additional means including said pump for optionally circulating fiuid between said filtering device and said crankcase, and means for venting said filtering device to said storage chamber.
- An apparatus for cleansing a crankcase 01 an engine comprising, a motor driven pump, a filtering device, a cleaning fluid storage tank having an outlet, a conduit between said storage tank outlet and the inlet side oi said pump. a delivery passage irom the discharge side of said pump to said filtering device, a delivery conduit from said filtering device to said crankcase and a return line from said crankcase to said conduit, and means for causing circulation of cleaning fiuid from said pump to said filtering device, thence to said crankcase while the engine is running and thence to said inlet side oi said pump, and a valve in said conduit said valve being operable to selectively admit additional fiuid to said circulatory system.
- an engine comprising, a motor driven pump, a
- a cleaning fiuid storage tank having an outlet, a conduit between said storage tank outlet and the inlet side of said pump, a delivery passage from the discharge side of said pump to said filtering device.
- Means for cleansing an engine crankcase during operation comprising means for initially supplying cleaning fiuid to said crankcase and means for cyclically withdrawing fluid from said crankcase, additional means for cleansing and filtering and releasing entrapped oil from said withdrawn fluid and returning said withdrawn and cleansed fiuid while maintaining a constant fiuid supply in said crankcase during engine operation.
- a method 01 clean sing an engine crankcase comprising, supplying cleaning fiuid to said crankcase, continuousl withdrawing fiuid from said crankcase while returning cleansed fiuid thereto at a sufiicie'nt rate to maintain a constant quantity or fluid in said crankcase, promoting turbulence in said fiuld in said crankcase by operating said engine and cleansing said withdrawn fiuid preparatory to its return to said crankcase and intermittently releasing entrapped oil from said circulatory cleaning fiuid.
Description
NOV. 23, 1948. Q N, ALDERMAN- 2,454,585
FLUSHING DEVICE FOR ENGINE wsmcnme SYSTEMS Filed Feb. 13, 1945 2 Sheets-Sheet 1 W a s Q k I: s w
m'enmr Nov. 23, 1948. E. N. ALDERMAN 2,454,585
muspme nsvIcB r'on zuaxnn'nusazcnme sYs'rEMs Filed Feb. 13, 1945 Sheets-Sheet 2 In. max, Lava 60 740" Luv:
' Inventor Z'Zerf/Yflldermm Patented Nov. 23, 1948 FLUSHING DEVICE FOR ENGINE LUBRICATING SYSTEMS Elbert N. Alderman, El Dorado, Kans. Application February 18, 1945, Serial No. 577,682
5 Claims.
This invention relates to an apparatus or device which is expressly designed to forcibly circulate a given amount of oil and solvent in the lubricating systems of internal combustion engines, primarily so-called automobiles and trucks.
More specifically, the device is constructed to maintain a proper oil level while circulating oil through a filter, thus flushing'out and removing carbon, sludge, water, dirt, varnish and other deposits. these being loosened by suitable solvent oils.
Briefly, the solvent oil is pumped from a suitable reservoir through a gear pump equipped with a by-pass valve to regulate proper pressure, is then pumped through a suitable large filter, and from the filter through a flexible hose to the engine filler neck. Then, when aproper amount of solvent oil has been pumped into the engine, the flow of oil is switched from the oil reservoir 01 my device to oil drain plugs of the engine by a flexible hose which circulates solvent oil through the engine. the engine running during this period, maintaining a proper level in the engine and flushing out and filtering dirt and deposit from the engine.
In carrying out the principles of the invention, I have evolved and produced a simple and expedient structural arrangement characterized by the aforementioned solvent reservoir and associated filter, these coasting with a single gear 1 pump by way of appropriate valved pipe connections, and selectively usable hose lines, appropriately valved, and associated with said pipes to direct and properly regulate the circulatory steps.
Other features and advantages will become more readily apparent from the following description and the accompanying illustrative drawings.
In the drawings, wherein like numerals are employed to designate likeparts throughout the views:
Figure 1 is a side elevational view of an apparatus constructed in accordance with the principles of the present invention;
I Figure 2 is a relatively small top plan view oi the assemblage seen in Figure 1, showing the valved delivery line leading to the crankcase;
Figure 3. is likewise a top plan view like Figure 2 showing the valved delivery line flexed around and connected to the solvent reservoir, for fluid return Figure 4 is a sectional and elevational view detailing the filter; v
Figure 5 is a horizontal section on the line 5-5 of Figure 4, looking in the directionof the arrows.
Referring now to the drawings by distinguishing reference numerals. the oil filter tank is denoted at I and is provided on its interior (see Fig. 4) with an appropriate filtering cartridge unit 2 01' the replaceable type as shown. The
numeral I designates a vent pipe having a suitable control valve 3a, said pipe being connected with a reservoir to be hereinafter described. The tank I is provided with a conical cover 4 which permits access to be had to the filter for cleaning and repacking the filter unit or cartridge. This cover is held in place by bolts 5. The aforementioned filter unit 2 embodies a perforated tube 6 for discharging the clean 01], and this screws into the filter tank at the bottom.
A solvent-containing reservoir 8, together with. tank I are supported on stand I, as is clearly shown in Figure 1. Reservoir 8 includes a sight gauge 9 to show when the proper amount of solvent oil has been pumped from the reservoir to the engine crankcase (not shown). Numeral Iii denotes a valve closing the discharge of oil from filter tank i, and section line H denotes a hose with a valve 24 on its outer end, said hose serving as the return line from the engine crankcase to 25 the devicethe purpose thereof soon to be more fully explained.
A pipe it connects with the gear pump i8, and a pipe it leads from the center of one side of the pump to tank i, as shown in Figure 1. Nu-
meral I 4 denotes a relatively small filter or trap for large pieces of carbon and other foreign matter to prevent their passage into gear pump IS.
A valve I5 prevents the back new of oil from filter i when cleaning the small filter trap It. A
pipe 25 connects to the bottom of reservoir 8 by means of a union I1 and terminates in trap 84.
Suction line I I terminates in T-connection in pipe 25 adjacent its point of entry into filter it. A
valve I B in pipe 25, between suction line H and reservoir 8, controls the oil flow from the reservoir to filter tank l.
A flexible drive connection is is provided between the electric motor 20 and the gear pump it. A one-quarter horsepower electric motor will do, for a purpose later to be described.
Numeral 2! is a hose leading from tank I and serves as the delivery line for filtered oil from tank I to the engine, or as the return hose to the supply reservoir 8 as will appear hereinafter. A
pressure regulating by-pass valve 22 is provided and is in communication with the pipes l2 and II. This serves to by-pass oil from the discharge connection of the gear pump back to the inlet connection of said pump in case the pressure in the oil filter I-exceeds the pressure setting of said pressure regulating by-pass valve. An oil pressure gauge is shown at 23, and ismounted on the conicalbottom oi the filter.
The flushing machine reservoir 8 is filled with solvent oil. With valve 2 1 closed and valves II and I6 and I open, and with hose 2i run back to reservoir 8 (see Fig. 3), motor 20 drives gear pump [8, pumping oil irom reservoir 8 through valve it through small filter it, through valve id to the inlet i2 of gear pump l8. It is then pumped through outlet is into filter tank I,
through filter element 2, filter outlet tube 6, valve it, hose 2| and then back to reservoir 8. During the above circulation vent as is opened to permit the escape of air. When the filter is completely primed, vent to is closed and enough solvent added to reservoir 8 to bring the oil level to the top oi gauge 9. The device is now ready for operation.
The used motor oil is now drained from crankcase of engine to be serviced. Then I connect valve 24 to the crankcase or receptacle drain with valve it closed. With the motor 20 shut oil. I connect hose 2! to the receptacle with valves i8, I and I0 open. Then I start motor and fill th engine crankcase with solvent until the connecting rods (not shown) will splash in solvent oil, while the engine is running. It is necessary to check the drain hole in the engine fly wheel cover to be sure that it is open so if any solvent oil should go into fiy wheel housing it can drain out and avoid depositing of solvent oil on the clutch. When the proper oil level is attained in crankcase, valve I8 is closed and valve 2! is opened. This will permit oil to circulate from crankcase drain, through filters 4 and 2, back through valve i0 and hose 2! back to the engine. This procedure is maintained with the engine running until the solvent oil has loosened and carried out all possible dirt, carbon, gum, varnish, etc. There will be some foaming oi oil in filter i, which will have to be bled out or filter through vent valve to, back to supply reservoir 8, and thereby some solvent oil will be carried back to supply reservoir which will have to be pumped back to the engine crankcase by cracking valve is occasionally. When the crankcase becomes clean, the engine is turned oil, and valve I0 is closed. Hose 21 isremoved from the connected engine to supply reservoir 8. Valve i0 is opened and solvent oil in the crankcase is turned to supply reservoir 8. Then valve 26 is closed and line H is disconnected from the crankcase. Motor 20 is shut or! and the engine crankcase ls refilled with new motor oil.
A careful consideration of the foregoing description in conjunction with the invention as illustrated in the drawings will enable the reader to obtain a clear understanding and impression of the alleged features of merit and novelty sufllcient to clarify the construction oi the invention as hereinafter claimed.
Minor changes in shape, size, materials and re-arrangement of parts may be resorted to in actual practice so long as no departure ismade from the invention as claimed.
I claim.
1. An apparatus for cleansing a crankcase of an engine and the like, comprising, a motor driven pump, a filtering device, a fluid storage chamber, and means including said pump for selectively circulating fluid for cleansing between said storage chamber and said filtering device and additional means including said pump for optionally circulating fiuid between said filtering device and said crankcase, and means for venting said filtering device to said storage chamber.
2. An apparatus for cleansing a crankcase 01 an engine comprising, a motor driven pump, a filtering device, a cleaning fluid storage tank having an outlet, a conduit between said storage tank outlet and the inlet side oi said pump. a delivery passage irom the discharge side of said pump to said filtering device, a delivery conduit from said filtering device to said crankcase and a return line from said crankcase to said conduit, and means for causing circulation of cleaning fiuid from said pump to said filtering device, thence to said crankcase while the engine is running and thence to said inlet side oi said pump, and a valve in said conduit said valve being operable to selectively admit additional fiuid to said circulatory system.
3. An apparatus for cleansing a crankcase oi.
an engine comprising, a motor driven pump, a
filtering device, a cleaning fiuid storage tank having an outlet, a conduit between said storage tank outlet and the inlet side of said pump, a delivery passage from the discharge side of said pump to said filtering device. a delivery conduit from said filtering device to said crankcase and a return line from said crankcase to said conduit, and means for causing circulation of cleaning fiuid from said pump to said filtering device, thence to said crankcase while the engine is running and thence to said inlet side of said pump, and a valve in said conduit said valve being operable to selectively admit additional fluid to said circulatory system, and a sediment trap disposed in said connecting passage.
4. Means for cleansing an engine crankcase during operation oi said engine comprising means for initially supplying cleaning fiuid to said crankcase and means for cyclically withdrawing fluid from said crankcase, additional means for cleansing and filtering and releasing entrapped oil from said withdrawn fluid and returning said withdrawn and cleansed fiuid while maintaining a constant fiuid supply in said crankcase during engine operation.
5. A method 01 clean sing an engine crankcase comprising, supplying cleaning fiuid to said crankcase, continuousl withdrawing fiuid from said crankcase while returning cleansed fiuid thereto at a sufiicie'nt rate to maintain a constant quantity or fluid in said crankcase, promoting turbulence in said fiuld in said crankcase by operating said engine and cleansing said withdrawn fiuid preparatory to its return to said crankcase and intermittently releasing entrapped oil from said circulatory cleaning fiuid.
ELBERT N. ALDERM AN.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US577682A US2454585A (en) | 1945-02-13 | 1945-02-13 | Flushing device for engine lubricating systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US577682A US2454585A (en) | 1945-02-13 | 1945-02-13 | Flushing device for engine lubricating systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2454585A true US2454585A (en) | 1948-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US577682A Expired - Lifetime US2454585A (en) | 1945-02-13 | 1945-02-13 | Flushing device for engine lubricating systems |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2685347A (en) * | 1951-03-26 | 1954-08-03 | Marvin L Busby | Method of cleaning lubricant chambers and the lubricant therein |
| US2974071A (en) * | 1953-12-21 | 1961-03-07 | Frank E Morris | Line cleaning process |
| US3128779A (en) * | 1953-12-21 | 1964-04-14 | Frank E Morris | Line cleaning equipment |
| US3197339A (en) * | 1962-04-16 | 1965-07-27 | British Iron Steel Research | Fluid cushioning systems |
| US3431145A (en) * | 1964-11-12 | 1969-03-04 | Frank D Riley | Method for flushing and cleaning internal combustion engines |
| 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 |
| US5145033A (en) * | 1990-07-17 | 1992-09-08 | K.J. Manufacturing Co. | Sandwich adapter reusable oil filter mounted to same and process for using the same |
| US5209198A (en) * | 1989-05-11 | 1993-05-11 | K.J. Manufacturing Co. | Process for simple and high speed oil change and/or flushing the engine oil distribution channels of the moving components of the crankcase in an internal combustion engine |
| US5232513A (en) * | 1989-06-30 | 1993-08-03 | Suratt Ted L | Engine cleaning processes |
| US5249608A (en) * | 1991-12-06 | 1993-10-05 | Lee W. Tower | Process and flushing device for removing oil from waste oil filters |
| 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 |
| US5383481A (en) * | 1992-10-30 | 1995-01-24 | Erik Waelput | System for cleaning internal combustion engines |
| US5441101A (en) * | 1993-01-08 | 1995-08-15 | Johnsson; John C. S. | Recycling machine |
| 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 |
| US5460656A (en) * | 1993-12-27 | 1995-10-24 | Waelput; Erik F. M. | Cleaning internal combustion engines while running |
| US5467746A (en) * | 1993-12-27 | 1995-11-21 | Waelput; Erik F. M. | Adapters for flushing an internal combustion engine |
| US5887606A (en) * | 1997-06-24 | 1999-03-30 | Tsou; John | Purifying device for cleaning combustion chamber of car engine |
| 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 |
| US6298947B1 (en) * | 2000-10-27 | 2001-10-09 | Robert E. Flynn | Engine oil cleaning system |
| US20040020720A1 (en) * | 2001-03-30 | 2004-02-05 | Flynn Robert E | Engine oil cleaning system |
| US20040211470A1 (en) * | 1997-10-30 | 2004-10-28 | Apostolides John K. | Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| US20050173004A1 (en) * | 1997-10-30 | 2005-08-11 | Apostolides John K. | Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| US9581257B2 (en) | 2013-05-23 | 2017-02-28 | Clean Planet Mfg. & Labs, Inc. | Fluid evacuation valve with break-away groove |
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|---|---|---|---|---|
| US890756A (en) * | 1906-07-30 | 1908-06-16 | Robert K Brundage | Oil-tank. |
| US1305735A (en) * | 1919-06-03 | morris | ||
| US1702703A (en) * | 1927-02-21 | 1929-02-19 | Osborne Process Inc | Apparatus for cleaning lubricant cases of engines |
| US2124798A (en) * | 1933-05-19 | 1938-07-26 | Lewis Mfg Company | Flushing device |
| US2173554A (en) * | 1936-12-14 | 1939-09-19 | Elgin A Hill | Internal motor cleaner |
-
1945
- 1945-02-13 US US577682A patent/US2454585A/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1305735A (en) * | 1919-06-03 | morris | ||
| US890756A (en) * | 1906-07-30 | 1908-06-16 | Robert K Brundage | Oil-tank. |
| US1702703A (en) * | 1927-02-21 | 1929-02-19 | Osborne Process Inc | Apparatus for cleaning lubricant cases of engines |
| US2124798A (en) * | 1933-05-19 | 1938-07-26 | Lewis Mfg Company | Flushing device |
| US2173554A (en) * | 1936-12-14 | 1939-09-19 | Elgin A Hill | Internal motor cleaner |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2685347A (en) * | 1951-03-26 | 1954-08-03 | Marvin L Busby | Method of cleaning lubricant chambers and the lubricant therein |
| US2974071A (en) * | 1953-12-21 | 1961-03-07 | Frank E Morris | Line cleaning process |
| US3128779A (en) * | 1953-12-21 | 1964-04-14 | Frank E Morris | Line cleaning equipment |
| US3197339A (en) * | 1962-04-16 | 1965-07-27 | British Iron Steel Research | Fluid cushioning systems |
| US3431145A (en) * | 1964-11-12 | 1969-03-04 | Frank D Riley | Method for flushing and cleaning internal combustion engines |
| US5209198A (en) * | 1989-05-11 | 1993-05-11 | K.J. Manufacturing Co. | Process for simple and high speed oil change and/or flushing the engine oil distribution channels of the moving components of the crankcase in an internal combustion engine |
| US5232513A (en) * | 1989-06-30 | 1993-08-03 | Suratt Ted L | Engine cleaning processes |
| 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 |
| 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 |
| 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 |
| US5964256A (en) * | 1990-04-27 | 1999-10-12 | K.J. Manufacturing | Apparatus and method for changing oil in an internal combustion engine and simultaneously determining engine oil consumption and wear |
| 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 |
| 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 |
| US5145033A (en) * | 1990-07-17 | 1992-09-08 | K.J. Manufacturing Co. | Sandwich adapter reusable oil filter mounted to same and process for using the same |
| WO1992014910A1 (en) * | 1991-02-21 | 1992-09-03 | K.J. Manufacturing Co. | Main gallery - filter connection |
| US5249608A (en) * | 1991-12-06 | 1993-10-05 | Lee W. Tower | Process and flushing device for removing oil from waste oil filters |
| US5383481A (en) * | 1992-10-30 | 1995-01-24 | Erik Waelput | System for cleaning internal combustion engines |
| US5441101A (en) * | 1993-01-08 | 1995-08-15 | Johnsson; John C. S. | Recycling machine |
| US5460656A (en) * | 1993-12-27 | 1995-10-24 | Waelput; Erik F. M. | Cleaning internal combustion engines while running |
| US5467746A (en) * | 1993-12-27 | 1995-11-21 | Waelput; Erik F. M. | Adapters for flushing an internal combustion engine |
| US5887606A (en) * | 1997-06-24 | 1999-03-30 | Tsou; John | Purifying device for cleaning combustion chamber of car engine |
| US20070113894A1 (en) * | 1997-10-30 | 2007-05-24 | Rpm Industries, Inc. | Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| US20040211470A1 (en) * | 1997-10-30 | 2004-10-28 | Apostolides John K. | Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| US20050173004A1 (en) * | 1997-10-30 | 2005-08-11 | Apostolides John K. | Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| US7150286B2 (en) * | 1997-10-30 | 2006-12-19 | Rpm Industries, Inc. | Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| US7793681B2 (en) | 1997-10-30 | 2010-09-14 | RPM Industries, LLC | Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| US9062575B2 (en) | 1997-10-30 | 2015-06-23 | RPM Industries, LLC | Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| WO2002034422A1 (en) * | 2000-10-27 | 2002-05-02 | Flynn Robert E | Engine oil cleaning system |
| US6298947B1 (en) * | 2000-10-27 | 2001-10-09 | Robert E. Flynn | Engine oil cleaning system |
| US20040020720A1 (en) * | 2001-03-30 | 2004-02-05 | Flynn Robert E | Engine oil cleaning system |
| US9581257B2 (en) | 2013-05-23 | 2017-02-28 | Clean Planet Mfg. & Labs, Inc. | Fluid evacuation valve with break-away groove |
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