US20110308493A1 - Pre start friction protection system - Google Patents
Pre start friction protection system Download PDFInfo
- Publication number
- US20110308493A1 US20110308493A1 US13/134,829 US201113134829A US2011308493A1 US 20110308493 A1 US20110308493 A1 US 20110308493A1 US 201113134829 A US201113134829 A US 201113134829A US 2011308493 A1 US2011308493 A1 US 2011308493A1
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- Prior art keywords
- oil
- canister
- air
- valve
- engine
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- 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.)
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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
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/02—Conditioning lubricant for aiding engine starting, e.g. heating
- F01M5/025—Conditioning lubricant for aiding engine starting, e.g. heating by prelubricating, e.g. using an accumulator
Abstract
A system for reducing friction in an engine during start-up having an oil canister which holds oil, an air supply unit for providing air to the canister through an air intake line and valve, an oil intake line for transmitting oil from the engine oil reservoir to the canister, and a distribution rod connected to the canister through a distribution line. The distribution rod has various ports for discharging the oil over the engine parts which need lubrication prior to engine start-up. The nozzles may provide precise and uniform discharge patterns. The system may include a controller for receiving the pre-start notification and for controlling the valves and air supply unit.
Description
- This application claims the benefit of U.S. Provisional Application No. 61/356,030 filed on Jun. 17, 2010 entitled “Pre Start Friction Protection System”, the entirety of which is incorporated herein.
- 1. Field of the Invention
- The invention relates to a system used cooperatively with an engine to reduce friction at start up by delivering lubricant to engine parts before start up.
- 2. Background
- Engine wear is difficult to prevent and can affect engine performance. Engine start up is a major cause of engine wear due to excessive friction during start up. A significant factor in the amount of friction at start-up is the lack of sufficient lubricant on the engine components. Current mechanical systems which attempt to address this problem often include systems which pump oil from the oil reservoir and push the oil to the internal oil pressure system to lubricate the wearing parts. However, the current systems have many moving parts and do not provide an easy solution for distributing the oil evenly across the wearing parts during pre-start.
- Accordingly, there is a need for a system which minimizes friction during start up by effectively delivering lubricant, such as oil, evenly to the engine wearing parts before ignition.
- This summary is provided to introduce a selection of concepts in a simplified form that are further described in the detailed description of the invention. This summary is not intended to identify key or essential inventive concepts of the claimed subject matter, nor is it intended for determining the scope of the claimed subject matter.
- The present invention provides a pre-start lubrication system for an engine which is comprised of an oil canister for holding a volume of oil; an air supply unit fluidly connected to the oil canister through an air intake line and an air intake valve for providing air under pressure to the canister; an oil intake line fluidly connected to an engine oil reservoir and the oil canister wherein the oil intake line includes an oil intake valve for controlling the flow of oil from the oil reservoir to the oil canister; an oil distribution line fluidly connected to the canister and an oil distribution rod, wherein the oil distribution line includes an oil distribution valve for controlling the flow of oil from the canister to the oil distribution rod; and wherein the oil distribution rod has a plurality of dispensing ports for dispensing oil; a controller for receiving a signal and powering the air supply unit to provide air to the canister through the air intake line and air intake valve which will push oil from the canister through the oil distribution line and oil distribution valve to the oil distribution rod wherein the oil will exit the distribution rod through the dispensing ports. The dispensing ports may be nozzles including cone spray nozzles. The dispensing ports may be aligned over a plurality of valves or pistons. The controller may receive the signal to power the air supply unit as part of an engine ignition sequence. The controller may control the power to the air supply unit or how long the air supply unit is provided power. The controller may also control one or more of the air intake valve, the oil intake valve, and the oil discharge valve.
- The present invention also provides a system for reducing friction in an engine during start-up which includes a canister for holding a volume of lubricant; an air supply unit fluidly connected to the canister through an air intake line and a one way air intake valve for providing air under pressure to the canister; the one way air intake valve configured to allow air into the canister while preventing air from escaping the canister; a bypass valve in the canister for releasing air in the canister if the pressure is too high; a lubricant intake line fluidly connected to an engine lubricant reservoir and the canister wherein the lubricant intake line includes a lubricant intake valve for controlling the flow of lubricant from the lubricant reservoir to the canister; a lubricant distribution line fluidly connected to the canister and a lubricant distribution rod with a plurality of discharge ports, wherein the lubricant distribution line includes an lubricant distribution valve for controlling the flow of lubricant from the canister to the distribution rod; and upon engine ignition lubricant is delivered to the distribution rod and exits through the plurality of discharge ports to predetermined engine parts. Further, the dispensing ports may be nozzles including cone spray nozzles. The dispensing ports may be aligned over a plurality of valves or pistons. The controller may receive the signal to power the air supply unit as part of an engine ignition sequence. The controller may control the power to the air supply unit or how long the air supply unit is provided power. The controller may also control one or more of the air intake valve, the oil intake valve, and the oil discharge valve.
- The present invention also provides a method of lubricating an engine prior to starting the engine including filling an oil canister with a volume of oil from an oil reservoir through an oil intake line and an oil intake valve; receiving a signal to initiate the pre-start lubrication process; controlling an air supply unit to provide air to the oil canister through an air intake line and an air intake valve; wherein the air added to the canister forces the oil within the canister to flow from the canister to an oil distribution rod through an oil distribution line and an oil distribution valve; and wherein the oil is dispensed through a plurality of dispensing ports in the oil distribution rod. The method might further include controlling how long the air supply unit provides air to the oil canister or controlling how much air pressure the air supply unit provides to the oil canister.
- The components of the invention are a lubricant reservoir canister, a pressure line for delivering lubricant to the canister, a bypass valve and an oil distribution rod, wherein upon engine ignition, lubricant is delivered to predetermined engine parts.
- The foregoing summary, as well as the following detailed description of the invention, is better understood when read in conjunction with the appended drawings. For the purpose of illustrating the invention, exemplary constructions of the invention are shown in the drawings. However, the invention is not limited to the specific methods and instrumentalities disclosed herein.
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FIG. 1 illustrates the pre-start Friction Protection system in accordance with the present invention. -
FIG. 2 illustrates an four cylinder engine with the pre-start system connected thereto; -
FIG. 3 illustrates a six cylinder engine with the pre-start system connected thereto. - Particular embodiments of the present invention will now be described in greater detail with reference to the figures.
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FIGS. 1-3 illustrate a Pre-Start Friction Protection System 10 which is cooperatively mounted to anengine 30, in accordance with the present invention. Thesystem 10 is configured to reduce pre-start friction between components by delivering fluid or oil to critical parts before the engine is started. As such, thesystem 10 cooperatively works with theengine 30 and its components. Thesystem 10 comprises anoil canister 20, apressure line 24, anair supply 22, anair line valve 26, anoil intake line 34, an oilintake line valve 36, andoil reservoir 38, anoil distribution line 54, anoil distribution valve 56 and anoil distribution rod 50. - The
oil reservoir canister 20 has anintake line 34 for receiving oil and adistribution line 54 for dispensing or transferring oil from thecanister 20 to thedistribution rod 50. Oil is stored in theoil reservoir canister 20 for distribution to theengine 30 through thedistribution rod 50. Theintake line 34 is connected to the main oil gallery ofengine 30. Theintake line 34 may connect directly to the main oil gallery or may be connected to anoil reservoir 38. Theoil reservoir 38 would be in fluid communication with the main oil gallery via opening 32. Oil from the engine oroil reservoir 38 flows through theintake line 34 to fillcanister 20. Valve 36 controls flow between theoil reservoir 38 and canister 20 and can be opened to allow oil to fill upcanister 20. Thevalve 36 could also be a two way valve which allows oil to flow fromcanister 20 back throughline 34 toreservoir 38. Using a two way valve forvalve 36 would be useful if the pressure incanister 20 becomes too high to prevent an over oiling or an over pressurized delivery of oil throughdistribution rod 50. In an over pressurized system,valve 36 would open in the reverse allowing oil to flow back toreservoir 38. - Initially, when an ignition switch is turned into the “on” position in the vehicle, an electronic switch is activated signaling the
air supply 22, such as an air compressor, to provide air to canister 20 throughair intake line 24. Valve 26 is ideally a one way valve allowing air to flow into the pressurizedcanister 20 but not allowing air or oil to flow in the opposite direction. Upon pressurization ofcanister 20 oil flows fromcanister 20 throughdistribution line 54 andvalve 56 intodistribution rod 50. The oil flows evenly throughdistribution rod 50 to theexit nozzles 52. Theexit nozzles 52 allow for even flow and distribution of the oil from thedistribution rod 50 into theengine 30. - In an exemplary embodiment,
valve 56 is a pressure sensitive valve that allows oil to pass through the valve when the pressure or force of the oil on the valve forces it to open. When the pressure incanister 20 falls below a certain threshold thevalve 56 will shut and oil will stop flowing to thedistribution rod 50. Thecanister 20 may also have an air exhaust valve such that is the air pressure within thecanister 20 exceeds a certain pressure the exhaust valve would open allowing air withincanister 20 to be released and reduce pressure. - The main oil supply of
engine 30 follows its normal course. While theengine 30 is in operation, the oil in theoil canister 20 fills to capacity as oil flows fromreservoir 38 or the main oil supply ofengine 30 throughoil intake line 34 andvalve 36. Once capacity is reached, shut-offvalve 36 is activated, preventing additional oil from entering intocanister 20.Oil reservoir 38 may be placed down line of theengine 30 oil filter (not shown) such that clean oil is used to fillcanister 20. - In the preferred embodiment, the
canister 20 capacity would be approximately one pint. After theengine 30 is turned off, although most of the oil inengine 30 returns to the oil pan, the oil incanister 20 is prevented from returning because ofvalve 36. - The next time the vehicle's ignition switch is turned on; the pressurized air forces the oil contained in the
oil canister 20 to be immediately dispersed to critical engine parts throughdistribution rod 50. This process significantly reduces the pre-start friction experienced upon ignition. Alternatively, thesystem 10 could be designed such that thecanister 20 uses gravity instead of air pressure to force oil flow to thedistribution rod 50. - As seen in
FIG. 2 , thesystem 10 is employed on an inline fourcylinder engine 30. Thedistribution rod 50 contains one or more openings ornozzles 52. In the preferred embodiment, there arenozzles 52 associated with each valve or piston. As oil flows through thedistribution rod 50 the oil is dispensed out of thenozzles 52 and sprayed upon theengine 30 components. Theengine 30 components includevalves piston chamber 60, thepiston head 61, as well as the rocker arms, springs, and cam shafts. - In one exemplary embodiment, the
distribution rod 50 is enclosed below the valve cover but above thevalves piston chamber 60, andpiston head 61. Thesystem 10 and thedistribution rod 50 would be configured to provide a sealed engagement with theengine 30 and valve cover. -
FIG. 3 shows another exemplary embodiment of the present invention with the pre-startfriction protection system 10 anddistribution rod 50 designed for an inline sixcylinder engine 30. Thedistribution rod 50 has a plurality ofnozzles 52. Thedistribution rod 50, depicted inFIG. 3 has twelvenozzles 52 designed such that eachnozzle 52 sprays oil onto a desiredvalve oil spray 53 can be defined in shape and size by the design of the nozzle. Thenozzles 52 could also be arranged to provide an even oil spray over other internal parts and need not be aligned over avalve - In operation, when
canister 20 reaches its capacity, thebypass valve 36 is activated closing theoil feed line 34 to prevent additional oil from entering thecanister 20. With the filling of oil incanister 20 complete, when the ignition is turned to an “on” position, the air pressure incanister 20 increases which rapidly sends the oil throughdistribution line 54, throughvalve 56 todistribution rod 50. The present invention provides a precise oil distribution system which distributes oil equally among thenozzles 52 which then provide a precise oil distribution to the rocker arms, pistons, and valves. - Although the
distribution rod 50 depicted inFIGS. 1-3 shows asingle distribution rod 50 applied to an inline engine thesystem 10 could employ more than one distribution rods to different parts of the motor. For example, in a V-type engine thesystem 10 might employ twodistribution rods 50 connected to each other, connected tovalve 56, or to thecanister 20. Thus, thesystem 10 could be comprised ofseveral distribution rods 50,distribution lines 54 andvalves 56. - Further, the ignition switch could be connected to a controller which controls the
air supply unit 22 as well as control one ormore valves air supply unit 22, andvalves canister 20 or the time period oil is distributed to thedistribution rod 50. - The various components of the
system 10 may be made from common or standard materials including cast iron, aluminum alloys, steel, titanium, or other metal alloys capable of handling the temperatures range as well as resistance to wear, corrosion, and damage. Thevalves - The
nozzles 52 on thedistribution rod 50 may be of various types which are fastened to or integrated into therod 50. Thenozzles 52 enable the application to provide a profile spray and oil is dispensed. Thenozzle 52 design enables spray profiles to include a solid cone spray, a semi sold cone spray, and a hollow cone spray. Further, thedistribution rod 50 need not usenozzles 52 and may instead use machined openings or ports which when providing or dispensing oil under pressure provide sufficient exhaust spray. - The present invention may also make use of a controller (not shown) which may be independent, integrated with, or be a part of the control system of the vehicle with the engine. The controller may receive a signal to initiate the pre-start lubrication process. The signal may be part of an ignition sequence to start the engine. Upon receipt of the initiation signal, the controller will control the air supply to begin providing air into the
canister 20. The controller may control the air supply by controlling the power provided to the air supply unit, by controlling the time air is provided, or by providing the power or amount of air provided. The controller may also control the various valves in the system such as theair intake valve 26, theoil intake valve 36, and theoil discharge valve 56 to control the amount of air or oil provided to thecanister 20 or the control the oil provided to thedistribution rod 50. - In summary the present invention provides a pre-start lubrication system for an engine which is comprised of an oil canister for holding a volume of oil; an air supply unit fluidly connected to the oil canister through an air intake line and an air intake valve for providing air under pressure to the canister; an oil intake line fluidly connected to an engine oil reservoir and the oil canister wherein the oil intake line includes an oil intake valve for controlling the flow of oil from the oil reservoir to the oil canister; an oil distribution line fluidly connected to the canister and an oil distribution rod, wherein the oil distribution line includes an oil distribution valve for controlling the flow of oil from the canister to the oil distribution rod; and wherein the oil distribution rod has a plurality of dispensing ports for dispensing oil; a controller for receiving a signal and powering the air supply unit to provide air to the canister through the air intake line and air intake valve which will push oil from the canister through the oil distribution line and oil distribution valve to the oil distribution rod wherein the oil will exit the distribution rod through the dispensing ports. The dispensing ports may be nozzles including cone spray nozzles. The dispensing ports may be aligned over a plurality of valves or pistons. The controller may receive the signal to power the air supply unit as part of an engine ignition sequence. The controller may control the power to the air supply unit or how long the air supply unit is provided power. The controller may also control one or more of the air intake valve, the oil intake valve, and the oil discharge valve.
- The system of the present invention is not limited to oil and any logical lubricant could be used. The system may include a bypass valve in the canister for releasing air in the canister if the pressure is too high. Further, the dispensing ports may be nozzles including cone spray nozzles. The dispensing ports may be aligned over a plurality of valves or pistons. The controller may receive the signal to power the air supply unit as part of an engine ignition sequence. The controller may control the power to the air supply unit or how long the air supply unit is provided power. The controller may also control one or more of the air intake valve, the oil intake valve, and the oil discharge valve.
- In addition, the present invention also provides a method of lubricating an engine prior to starting the engine including the steps of filling an oil canister with a volume of oil from an oil reservoir through an oil intake line and an oil intake valve; receiving a signal to initiate the pre-start lubrication process; controlling an air supply unit to provide air to the oil canister through an air intake line and an air intake valve; wherein the air added to the canister forces the oil within the canister to flow from the canister to an oil distribution rod through an oil distribution line and an oil distribution valve; and wherein the oil is dispensed through a plurality of dispensing ports in the oil distribution rod. The method might further include controlling how long the air supply unit provides air to the oil canister or controlling how much air pressure the air supply unit provides to the oil canister.
- The foregoing examples have been provided merely for the purpose of explanation and are in no way to be construed as limiting of the present method and product disclosed herein. While the invention has been described with reference to various embodiments, it is understood that the words which have been used herein are words of description and illustration, rather than words of limitation. Further, although the invention has been described herein with reference to particular means, materials, and embodiments, the invention is not intended to be limited to the particulars disclosed herein; rather, the invention expands to all functionally equivalent structures, methods and uses, such as are within the scope of the appended claims. Those skilled in the art, having the benefit of the teachings of this specification, may affect numerous modifications thereto and changes may be made without departing from the scope and spirit of the invention in its aspects.
Claims (20)
1. A pre-start lubrication system for an engine comprising:
an oil canister for holding a volume of oil;
an air supply unit fluidly connected to the oil canister through an air intake line and an air intake valve for providing air under pressure to the canister;
an oil intake line fluidly connected to an engine oil reservoir and the oil canister wherein the oil intake line includes an oil intake valve for controlling the flow of oil from the oil reservoir to the oil canister;
an oil distribution line fluidly connected to the canister and an oil distribution rod, wherein the oil distribution line includes an oil distribution valve for controlling the flow of oil from the canister to the oil distribution rod; and
wherein the oil distribution rod has a plurality of dispensing ports for dispensing oil;
a controller for receiving a signal and powering the air supply unit to provide air to the canister through the air intake line and air intake valve which will push oil from the canister through the oil distribution line and oil distribution valve to the oil distribution rod wherein the oil will exit the distribution rod through the dispensing ports.
2. The system of claim 1 , wherein the dispensing ports are nozzles.
3. The system of claim 2 , wherein the nozzles are cone spray nozzles.
4. The system of claim 1 , wherein the plurality of dispensing ports are aligned over a plurality of valves.
5. The system of claim 1 , wherein the plurality of dispensing ports are aligned over a plurality of piston chambers.
6. The system of claim 1 , wherein the controller receives the signal to power the air supply unit as part of an engine ignition sequence.
7. The system of claim 6 , wherein the controller controls power to the air supply unit.
8. The system of claim 1 , wherein the controller controls how long the air supply unit provides air.
9. The system of claim 1 , wherein the controller controls one or more of the air intake valve, the oil intake valve, and the oil discharge valve.
10. A system for reducing friction in an engine during start-up comprising:
a canister for holding a volume of lubricant;
an air supply unit fluidly connected to the canister through an air intake line and a one way air intake valve for providing air under pressure to the canister;
the one way air intake valve configured to allow air into the canister while preventing air from escaping the canister;
a bypass valve in the canister for releasing air in the canister if the pressure is too high;
a lubricant intake line fluidly connected to an engine lubricant reservoir and the canister wherein the lubricant intake line includes a lubricant intake valve for controlling the flow of lubricant from the lubricant reservoir to the canister;
a lubricant distribution line fluidly connected to the canister and a lubricant distribution rod with a plurality of discharge ports, wherein the lubricant distribution line includes an lubricant distribution valve for controlling the flow of lubricant from the canister to the distribution rod; and
wherein upon engine ignition lubricant is delivered to the distribution rod and exits through the plurality of discharge ports to predetermined engine parts.
11. The system of claim 10 , wherein the dispensing ports are nozzles.
12. The system of claim 11 , wherein the nozzles are cone spray nozzles.
13. The system of claim 10 , wherein the plurality of dispensing ports are aligned over a plurality of valves.
14. The system of claim 10 , wherein the plurality of dispensing ports are aligned over a plurality of piston chambers.
15. The system of claim 10 , wherein the controller receives the signal to power the air supply unit as part of an engine ignition sequence.
16. The system of claim 10 , wherein the controller controls power to the air supply unit.
17. The system of claim 10 , wherein the controller controls how long the air supply unit provides air.
18. The system of claim 10 , wherein the controller controls one or more of the air intake valve, the oil intake valve, and the oil discharge valve.
19. A method of lubricating an engine prior to starting the engine comprising the steps of:
filling an oil canister with a volume of oil from an oil reservoir through an oil intake line and an oil intake valve;
receiving a signal to initiate the pre-start lubrication process;
controlling an air supply unit to provide air to the oil canister through an air intake line and an air intake valve;
wherein the air added to the canister forces the oil within the canister to flow from the canister to an oil distribution rod through an oil distribution line and an oil distribution valve; and
wherein the oil is dispensed through a plurality of dispensing ports in the oil distribution rod.
20. The method of claim 19 , further including the step of controlling how long the air supply unit provides air to the oil canister.
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US13/134,829 US20110308493A1 (en) | 2010-06-17 | 2011-06-17 | Pre start friction protection system |
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US35603010P | 2010-06-17 | 2010-06-17 | |
US13/134,829 US20110308493A1 (en) | 2010-06-17 | 2011-06-17 | Pre start friction protection system |
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Cited By (3)
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US20150114360A1 (en) * | 2013-10-31 | 2015-04-30 | Ford Global Technologies, Llc | System and methods for canister purging with low manifold vacuum |
WO2019166846A1 (en) * | 2018-03-01 | 2019-09-06 | Volvo Truck Corporation | Lubrication system and method for a motor vehicle and motor vehicle comprising such lubrication system |
CN114151164A (en) * | 2021-11-26 | 2022-03-08 | 中国北方发动机研究所(天津) | Emergency oil supply protection system for single-cylinder diesel engine |
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