US3055554A - Means for measuring and mixing lubricating oil with gasoline - Google Patents
Means for measuring and mixing lubricating oil with gasoline Download PDFInfo
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- US3055554A US3055554A US740942A US74094258A US3055554A US 3055554 A US3055554 A US 3055554A US 740942 A US740942 A US 740942A US 74094258 A US74094258 A US 74094258A US 3055554 A US3055554 A US 3055554A
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- oil
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- fuel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/74—Devices for mixing two or more different liquids to be transferred
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/316—Injector mixers in conduits or tubes through which the main component flows with containers for additional components fixed to the conduit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
Definitions
- FIG 3 United States Patent 3,055,554 MEANS FOR MEASURING AND MIXING LUBRICATING OIL WITH GASOLINE Donald F. Wight, 2632 Birchwood, Bellingham, Wash. Filed June 9, 1958, Ser. No. 740,942 2 Claims. (Cl. 222-133)
- This present invention relates to the general class of devices intended for the dispensing of motor fuels and lubricants and more particularly to a device in the form of an attachment, which may be secured in the normal discharge line of a gasoline dispensing pump, and which makes it possible to introduce and commingle a given amount of lubricating oil into a given amount of gasoline as the gasoline is being measured into the fuel tank of the customer.
- a principal object of this present invention is to provide means for introducing and thoroughly mixing a given amount of lubricating oil into a motor fuel as the same is being dispensed from the metering pump into the gas tank for use.
- a further object of this invention is to provide an apparatus where the customer can see, in a transparent storage reservoir, the metering of a predetermined amount of lubricating oil into the storage chamber.
- a further object of this present invention is to provide an apparatus for mixing lubricating oil with gasoline, which employs a jet type siphon so that the lubricant can be injected into the flowing gasoline, under conditions of considerable turbulence, and throughout the period the gasoline is being discharged, so that a homogeneous mixture can be assured.
- a further object of this invention is to provide a threeway valve arrangement with associated check valves, so that in one setting of the variable valve, oil from a suitable source can be introduced into the transparent storage chamber and then by a further adjustment of the valve, the oil can be discharged at an adjustable rate, into the gasoline fuel as it is being dispensed from the discharge pump.
- FIGURE 1 is a perspective view illustrating one physical embodiment of my present invention and showing how my equipment is used in association with conventional equipment already available on the market.
- FIGURE 2 is a vertical view, partly in section, particularly illustrating the valving means of my device, set to discharge and the injection type siphon used in the gasoline discharge line.
- FIGURE 3 is a fragmentary vertical sectional view showing a portion of FIGURE 2 but showing the valve means as it is set for introducing oil into the oil storage chamber.
- the numeral 10 designates an oil measuring tank into which predetermined amounts of oil may be deposited.
- the main portion of the tank is formed of transparent glass or plastic material so that the amount and coloring of the lubricating oil can be observed particularly by the customer.
- the amount of oil can also be determined by means of the graduations as indicated at '12 and 14.
- the tank is provided preferably with a hinged cover 16 so that in case of unusual oil or oil supplied by the customer the same may be placed in the container 10 prior to the delivery of the gasoline.
- Cover 16 seats on a preferably metal top portion 18 and this is held in tight engagement with the tube-like transparent material by a tension rod 20. This rod is preferably threaded into the valve chamber casing 22.
- valves required are preferably in a single unit and these consist of the three-way cylinder valve 24 operated by a manually positioned handle 26.
- the cylindrical portion is provided with two ports 28 and 29.
- Disposed on either side of valve 24 are the inlet pipe 30 and the outlet pipe 32.
- a check valve 33 is provided to normally close the inlet pipe 30 and a second check valve 34 is provided to serve to close, in effect, the discharge pipe 32, should there be a tendency for a backfiow in the same.
- the fuel and oil mixing housing 40 Secured to and communicating with the valve chamber housing 22, is the fuel and oil mixing housing 40.
- This housing is formed after the experience gained with injector type siphons with a jet 42 through which all the gasoline normally passes as it is being pumped from. the usual delivery metering pump P.
- This siphon unit may be placed anywhere intermediate ends of the gasoline discharge hose H but for sake of convenient positioning and supporting, it is desirable to provide and L fitting 44 on pump P and to secure the siphon or mixing housing 40 to this fitting as by the extension 45 of the jet 42 or the housing 40 can be otherwise suitably connected to fitting 44.
- This arrangement makes it convenient to position the storage chamber 10 and all the other associated parts at an elevation that is normally well Within convenient visible range of a boatman having fuel pumped into his gas takn.
- Oil may be supplied to chamber 10* by any convenient means. It may be supplied by pipes or tubing from an overhead gravity tank or an underground pressure system, which have not been illustrated. A preferred plan, however, .is to use one or more tanks 50 of the type provided with a hand operated pump 52 and connect this pump by means of the intake or supply line 30 to the intake chamber 54 of the valve housing 22. As indicated in FIGURE 1 the usual fuel control valve 56 is employed to control the discharge of fuel into the customers tank T.
- the first operation is to normally pump the correct amount of oil into the oil storage reservoir 10.
- the valve 24 is rotated to the position shown in FIGURE 3. Then as oil is supplied under pressure as by pump 52, it will open check valve 33 and the oil will pass through port 28 and port 29 in sequence and then up into container 10 where the required amount can be determined by inspection of the calibrated marks 12 and 14, which indicate normally pint or 4 pint respectively.
- the next step in the operation is to revolve valve 24 substantially to the position shown in FIGURE 2, so that the oil reservoir is connected through ports 28 and 29 with the discharge pipe 32.
- gasoline is drawn from pump P and deposited in the customers tank T.
- nozzle 42 As the gasoline passes through nozzle 42, it creates a draft or suction within mixing housing 40 and oil is drawn out of container 10. Because of the extreme turbulence created by the injection of the fuel through nozzle 40 into the discharge hose H, the oil drawn out of the reservoir 10 is thoroughly mixed with the fuel, so that as the fuel reaches the customers tank T, a homogeneous mixture of oil and gasoline has been produced which insures the satisfactory lubrication of the outboard motor.
- valve 24 When unusual types of oils or different proportions of oil and gasoline are to be handled, the flow may be modified by the angular setting of valve 24.
- a gasoline bleed pipe 60 is provided which by-passes a small amount of the gasoline down through pipe 60 and discharges it into valve chamber 58, Where it mixes with any oil that has been deposited in this area, and adapts it for most convenient introduction into the siphon arrangement.
- Means for proportioning and mixing lubricating oil with gasoline for use in two-cycle motors comprising: an oil measuring tank means having a graduated transparent oil measuring tank; a bottom and support for said oil measuring tank; an oil supply line having a check valve therein; an oil discharge line having a check valve therein and a three way valve in communication with said oil measuring tank and disposed to alternately connect said tank to either the oil supply line or the oil discharge line; a mixing housing disposed to receive the discharge of oil from said discharge line of said oil measuring tank and having operatively positioned within said housing a mixing means arranged to provide a high degree of turbulence and insure a thorough mixing of the oil in the gasoline as it is being delivered; a fuel delivery hose communicating with said mixing housing and having a fuel delivery control valve for filling a customers fuel tank; a gasoline supply conduit communicating with said mixing means; means for supplying oil under pressure to said oil supply line and means for supplying gasoline under pressure to said mixing housing.
- An attachment for a gasoline measuring and dispensing pump providing means for measuring and mixing lubricating oil with gasoline for use in two-cycle motors, comprising: a fuel discharge hose and fuel control valve adapted to be operatively connected to a gasoline measuring and dispensing pump; an oil measuring tank having a graduated, transparent, oil measuring chamber adjacent said pump and positioned for easy observation; a valve casing forming the bottom and support for said oil measuring tank; means for supplying oil under pressure to said valve casing; said valve casing having an intake chamber connected to an oil supply source; an inlet check valve disposed in said intake chamber and adapted to be opened by an inflow of oil to said intake chamber; a discharge chamber in said casing and a check valve in said discharge chamber disposed to prevent back flow into said oil measuring chamber; a three-way valve operatively disposed between said intake and said discharge chambers and also connected to the bottom of said oil measuring tank; said three-way valve disposed to pass oil from an oil supply source to said oil measuring chamber with one setting and to pass oil from the oil measuring
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Description
Sept. 25, 1962 D. F. WIGHT MEANS FOR MEASURING AND MIXING LUBRICATING OIL WITH GASOLINE Filed June 9, 1958 2 Sheets-Sheet 1 DONALD F. WIGHT INVENTOR.
BY rm p 1962 D. F. WIGHT v 3,055,554
MEANS FOR MEASURING AND MIXING LUBRICATING OIL WITH GASOLINE Filed June 9, 1958 2 Sheets-Sheet 2 as. 24 34 54 58 DONALD F. WIGHT 2s INVENTOR.
FIG 3 United States Patent 3,055,554 MEANS FOR MEASURING AND MIXING LUBRICATING OIL WITH GASOLINE Donald F. Wight, 2632 Birchwood, Bellingham, Wash. Filed June 9, 1958, Ser. No. 740,942 2 Claims. (Cl. 222-133) This present invention relates to the general class of devices intended for the dispensing of motor fuels and lubricants and more particularly to a device in the form of an attachment, which may be secured in the normal discharge line of a gasoline dispensing pump, and which makes it possible to introduce and commingle a given amount of lubricating oil into a given amount of gasoline as the gasoline is being measured into the fuel tank of the customer.
In the past the dispensing of fuel for outboard motors has beena very unprofitable venture for a marine gasoline station, due largely to the fact that the outboard motors require that a certain amount of lubricating oil be mixed with the fuel. A further complication is the fact that different outboard motor manufacturers specify a given type of oil or the owner of the motor may, based upon his experience, want some particular type of oil. A further complication is involved in that the amount of various types of oils may be different for different motors. This gives, with the present equipment, so many different combinations that the station operator cannot have them already mixed.
With this present equipment, a given amount of a particular type of lubricant can be introduced into a sightfeed glass, so that the customer can see how much oil is being used. Then as the gasoline is being dispensed by the usual type of pump, the discharged gasoline passes through a siphon arrangement constructed in the mode of an injector, so that a definite draft is created to assure the flow of lubricating oil and this oil because of the turbulence, created by the injector, will be very thoroughly mixed with the fuel within the discharge fuel hose. With this arrangement, the customer has complete proof that he has had a definite amount of his favorite oil and that this has been very homogeneously mixed with the fuel as it is being discharged into his fuel tank. It is, therefore, believed, that this present equipment has provided a very satisfactory means for dispensing outboard motor fuel in a manner, that makes it a most satisfying operation for the customer and an economical and profitable operation for the vendor.
A principal object of this present invention, therefore, is to provide means for introducing and thoroughly mixing a given amount of lubricating oil into a motor fuel as the same is being dispensed from the metering pump into the gas tank for use.
A further object of this invention is to provide an apparatus where the customer can see, in a transparent storage reservoir, the metering of a predetermined amount of lubricating oil into the storage chamber.
A further object of this present invention is to provide an apparatus for mixing lubricating oil with gasoline, which employs a jet type siphon so that the lubricant can be injected into the flowing gasoline, under conditions of considerable turbulence, and throughout the period the gasoline is being discharged, so that a homogeneous mixture can be assured.
A further object of this invention is to provide a threeway valve arrangement with associated check valves, so that in one setting of the variable valve, oil from a suitable source can be introduced into the transparent storage chamber and then by a further adjustment of the valve, the oil can be discharged at an adjustable rate, into the gasoline fuel as it is being dispensed from the discharge pump.
3,055,554 Patented Sept. 25, 1962 Further objects, advantages and capabilities will be apparent from the description and disclosure in the drawings, or may be comprehended or are inherent in the device.
In the drawings:
FIGURE 1 is a perspective view illustrating one physical embodiment of my present invention and showing how my equipment is used in association with conventional equipment already available on the market.
FIGURE 2 is a vertical view, partly in section, particularly illustrating the valving means of my device, set to discharge and the injection type siphon used in the gasoline discharge line.
FIGURE 3 is a fragmentary vertical sectional view showing a portion of FIGURE 2 but showing the valve means as it is set for introducing oil into the oil storage chamber.
Referring to the drawings throughout which like reference characters indicate like parts, the numeral 10 designates an oil measuring tank into which predetermined amounts of oil may be deposited. The main portion of the tank is formed of transparent glass or plastic material so that the amount and coloring of the lubricating oil can be observed particularly by the customer. The amount of oil can also be determined by means of the graduations as indicated at '12 and 14. The tank is provided preferably with a hinged cover 16 so that in case of unusual oil or oil supplied by the customer the same may be placed in the container 10 prior to the delivery of the gasoline. Cover 16 seats on a preferably metal top portion 18 and this is held in tight engagement with the tube-like transparent material by a tension rod 20. This rod is preferably threaded into the valve chamber casing 22. V
For compactness and economy in manufacture, the valves required are preferably in a single unit and these consist of the three-way cylinder valve 24 operated by a manually positioned handle 26. The cylindrical portion is provided with two ports 28 and 29. Disposed on either side of valve 24 are the inlet pipe 30 and the outlet pipe 32. A check valve 33 is provided to normally close the inlet pipe 30 and a second check valve 34 is provided to serve to close, in effect, the discharge pipe 32, should there be a tendency for a backfiow in the same.
Secured to and communicating with the valve chamber housing 22, is the fuel and oil mixing housing 40. This housing is formed after the experience gained with injector type siphons with a jet 42 through which all the gasoline normally passes as it is being pumped from. the usual delivery metering pump P. This siphon unit may be placed anywhere intermediate ends of the gasoline discharge hose H but for sake of convenient positioning and supporting, it is desirable to provide and L fitting 44 on pump P and to secure the siphon or mixing housing 40 to this fitting as by the extension 45 of the jet 42 or the housing 40 can be otherwise suitably connected to fitting 44. This arrangement makes it convenient to position the storage chamber 10 and all the other associated parts at an elevation that is normally well Within convenient visible range of a boatman having fuel pumped into his gas takn.
Oil may be supplied to chamber 10* by any convenient means. It may be supplied by pipes or tubing from an overhead gravity tank or an underground pressure system, which have not been illustrated. A preferred plan, however, .is to use one or more tanks 50 of the type provided with a hand operated pump 52 and connect this pump by means of the intake or supply line 30 to the intake chamber 54 of the valve housing 22. As indicated in FIGURE 1 the usual fuel control valve 56 is employed to control the discharge of fuel into the customers tank T.
Manner of Use In using my present means for introducing oil and mixing the same thoroughly with gasoline fuel in a single container supplied by the customer, the first operation is to normally pump the correct amount of oil into the oil storage reservoir 10. To achieve this operation, the valve 24 is rotated to the position shown in FIGURE 3. Then as oil is supplied under pressure as by pump 52, it will open check valve 33 and the oil will pass through port 28 and port 29 in sequence and then up into container 10 where the required amount can be determined by inspection of the calibrated marks 12 and 14, which indicate normally pint or 4 pint respectively.
The next step in the operation is to revolve valve 24 substantially to the position shown in FIGURE 2, so that the oil reservoir is connected through ports 28 and 29 with the discharge pipe 32. When the operator presses the handle of valve 56, gasoline is drawn from pump P and deposited in the customers tank T. At the same time, however, as the gasoline passes through nozzle 42, it creates a draft or suction within mixing housing 40 and oil is drawn out of container 10. Because of the extreme turbulence created by the injection of the fuel through nozzle 40 into the discharge hose H, the oil drawn out of the reservoir 10 is thoroughly mixed with the fuel, so that as the fuel reaches the customers tank T, a homogeneous mixture of oil and gasoline has been produced which insures the satisfactory lubrication of the outboard motor. When unusual types of oils or different proportions of oil and gasoline are to be handled, the flow may be modified by the angular setting of valve 24. In order to prevent oil collecting in the horizontal portion of pipe 32 and the valve housing discharge chamber 58, a gasoline bleed pipe 60 is provided which by-passes a small amount of the gasoline down through pipe 60 and discharges it into valve chamber 58, Where it mixes with any oil that has been deposited in this area, and adapts it for most convenient introduction into the siphon arrangement.
It is believed that it will be clearly apparent from the above description and the disclosure in the drawings that the invention comprehends a novel construction of means for measuring and mixing lubricating oil with gasoline.
Having thus disclosed the invention, I claim:
1. Means for proportioning and mixing lubricating oil with gasoline for use in two-cycle motors, comprising: an oil measuring tank means having a graduated transparent oil measuring tank; a bottom and support for said oil measuring tank; an oil supply line having a check valve therein; an oil discharge line having a check valve therein and a three way valve in communication with said oil measuring tank and disposed to alternately connect said tank to either the oil supply line or the oil discharge line; a mixing housing disposed to receive the discharge of oil from said discharge line of said oil measuring tank and having operatively positioned within said housing a mixing means arranged to provide a high degree of turbulence and insure a thorough mixing of the oil in the gasoline as it is being delivered; a fuel delivery hose communicating with said mixing housing and having a fuel delivery control valve for filling a customers fuel tank; a gasoline supply conduit communicating with said mixing means; means for supplying oil under pressure to said oil supply line and means for supplying gasoline under pressure to said mixing housing.
2. An attachment for a gasoline measuring and dispensing pump providing means for measuring and mixing lubricating oil with gasoline for use in two-cycle motors, comprising: a fuel discharge hose and fuel control valve adapted to be operatively connected to a gasoline measuring and dispensing pump; an oil measuring tank having a graduated, transparent, oil measuring chamber adjacent said pump and positioned for easy observation; a valve casing forming the bottom and support for said oil measuring tank; means for supplying oil under pressure to said valve casing; said valve casing having an intake chamber connected to an oil supply source; an inlet check valve disposed in said intake chamber and adapted to be opened by an inflow of oil to said intake chamber; a discharge chamber in said casing and a check valve in said discharge chamber disposed to prevent back flow into said oil measuring chamber; a three-way valve operatively disposed between said intake and said discharge chambers and also connected to the bottom of said oil measuring tank; said three-way valve disposed to pass oil from an oil supply source to said oil measuring chamber with one setting and to pass oil from the oil measuring chamber to said discharge chamber on its alternate setting; a mixing housing disposed to receive the discharge of oil from said discharge chamber of said casing; means for supplying gasoline under pressure to said mixing housing and said housing having operatively positioned therein mixing means arranged to provide a high degree of turbulence and insure 'a thorough mixing of the oil in the gasoline as it is being delivered.
References Cited in the file of this patent UNITED STATES PATENTS 1,602,722 Sturdivant Oct. 12, 1926 1,946,473 Babendreer et al Feb. 13, 1934 2,109,832 Tear Mar. 1, 1938 2,665,646 Garrett et al. Jan. 12, 1954 2,796,196 Ortner June 18, 1957 2,829,800 Kirchhoff Apr. 8, 1958 2,878,969 Griswold Mar. 24, 1959 FOREIGN PATENTS 324,757 Italy Feb. 14, 1935 1,054,703 France Feb. 12, 1954
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US740942A US3055554A (en) | 1958-06-09 | 1958-06-09 | Means for measuring and mixing lubricating oil with gasoline |
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US740942A US3055554A (en) | 1958-06-09 | 1958-06-09 | Means for measuring and mixing lubricating oil with gasoline |
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US3055554A true US3055554A (en) | 1962-09-25 |
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US740942A Expired - Lifetime US3055554A (en) | 1958-06-09 | 1958-06-09 | Means for measuring and mixing lubricating oil with gasoline |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125248A (en) * | 1964-03-17 | brewin | ||
US3227196A (en) * | 1964-04-08 | 1966-01-04 | Hoffman Taff Inc | Method and means for blending fuels and additives |
US3256901A (en) * | 1961-10-23 | 1966-06-21 | Phillips Petroleum Co | Automatic chemical injection control |
US4549585A (en) * | 1983-12-30 | 1985-10-29 | Emerson Hartley T | Self mixing funnel |
US4779993A (en) * | 1986-10-16 | 1988-10-25 | Toole Ernest D | Oil and gasoline mixing device |
EP3747829A1 (en) * | 2019-06-05 | 2020-12-09 | Wayne Fueling Systems Sweden AB | Additive explosion risk |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1602722A (en) * | 1925-08-28 | 1926-10-12 | Sturdivant John Wiley | Faucet |
US1946473A (en) * | 1932-12-01 | 1934-02-13 | Albert I Babendreer | Apparatus for introducing lubricating oil into gasoline |
US2109832A (en) * | 1936-04-15 | 1938-03-01 | Lubrication Corp | Lubricating device |
US2665646A (en) * | 1950-05-01 | 1954-01-12 | Mission Mfg Co | Pumping system control for washing machines |
FR1054703A (en) * | 1952-04-19 | 1954-02-12 | Bataafsche Petroleum | Distributor of an oil-gasoline mixture, especially for two-stroke engines |
US2796196A (en) * | 1952-06-23 | 1957-06-18 | Deutsche Geraetebau Gmbh | Measuring and metering device for measuring fuel with an admixture of oil |
US2829800A (en) * | 1954-06-25 | 1958-04-08 | Deutsche Geraetebau Gmbh | Mixing and metering device for fuel mixtures |
US2878969A (en) * | 1955-12-19 | 1959-03-24 | Donald G Griswold | Batch feed apparatus |
-
1958
- 1958-06-09 US US740942A patent/US3055554A/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1602722A (en) * | 1925-08-28 | 1926-10-12 | Sturdivant John Wiley | Faucet |
US1946473A (en) * | 1932-12-01 | 1934-02-13 | Albert I Babendreer | Apparatus for introducing lubricating oil into gasoline |
US2109832A (en) * | 1936-04-15 | 1938-03-01 | Lubrication Corp | Lubricating device |
US2665646A (en) * | 1950-05-01 | 1954-01-12 | Mission Mfg Co | Pumping system control for washing machines |
FR1054703A (en) * | 1952-04-19 | 1954-02-12 | Bataafsche Petroleum | Distributor of an oil-gasoline mixture, especially for two-stroke engines |
US2796196A (en) * | 1952-06-23 | 1957-06-18 | Deutsche Geraetebau Gmbh | Measuring and metering device for measuring fuel with an admixture of oil |
US2829800A (en) * | 1954-06-25 | 1958-04-08 | Deutsche Geraetebau Gmbh | Mixing and metering device for fuel mixtures |
US2878969A (en) * | 1955-12-19 | 1959-03-24 | Donald G Griswold | Batch feed apparatus |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125248A (en) * | 1964-03-17 | brewin | ||
US3256901A (en) * | 1961-10-23 | 1966-06-21 | Phillips Petroleum Co | Automatic chemical injection control |
US3227196A (en) * | 1964-04-08 | 1966-01-04 | Hoffman Taff Inc | Method and means for blending fuels and additives |
US4549585A (en) * | 1983-12-30 | 1985-10-29 | Emerson Hartley T | Self mixing funnel |
US4779993A (en) * | 1986-10-16 | 1988-10-25 | Toole Ernest D | Oil and gasoline mixing device |
EP3747829A1 (en) * | 2019-06-05 | 2020-12-09 | Wayne Fueling Systems Sweden AB | Additive explosion risk |
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