CN106089351B - Piston type engine oil gallery for aviation - Google Patents
Piston type engine oil gallery for aviation Download PDFInfo
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- CN106089351B CN106089351B CN201610687671.9A CN201610687671A CN106089351B CN 106089351 B CN106089351 B CN 106089351B CN 201610687671 A CN201610687671 A CN 201610687671A CN 106089351 B CN106089351 B CN 106089351B
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- oil
- cylinder body
- cylinder
- lubricant passage
- gallery
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
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- 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
- F01M5/002—Cooling
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- 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
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
- F01M9/102—Lubrication of valve gear or auxiliaries of camshaft bearings
-
- 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
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
- F01M9/104—Lubrication of valve gear or auxiliaries of tappets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/06—Arrangements for cooling pistons
- F01P3/08—Cooling of piston exterior only, e.g. by jets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
- F01M2001/1028—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the type of purification
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a piston type engine oil gallery for aviation. The piston type engine oil gallery comprises an oil pump, a cylinder body main oil gallery, a cylinder body assembly oil gallery, a cylinder cover assembly oil gallery and a pressurizer oil gallery. The oil pump is connected with the cylinder body main oil gallery. The cylinder body assembly oil gallery, the cylinder cover assembly oil gallery and the pressurizer oil gallery are sequentially connected and connected with the cylinder body main oil gallery. Lubricating oil pressure is distributed more evenly. High-pressure oil behind the oil pump firstly flows to an oil cooler and an oil filter before entering a cylinder body, it can be guaranteed that cleaner lubricating oil with more appropriate temperature enters an engine, and good lubricating performance is achieved. No built-in oil duct exists on an oil pan, machining is reduced, the structure is simpler, and sealing is more reliable.
Description
Technical field
The present invention relates to field of engine lubrication technology, more particularly, to a kind of aviation piston engines lubricating oil
Road.
Background technology
To ensure normal working of engine, it is necessary to be each part of engine, such as trunnion, connecting rod neck, timing chain, cam
Axle etc., there is provided sufficient, cleaning, suitable temperature lubricating oil.These lubricating oil under the driving of lubricating oil pump, along a series of
Oil duct constantly circulated in engine interior, and consume certain energy.Good lubricant passage way is arranged in and meets engine lubrication need
Under the premise of asking, by reducing oil duct crushing, reducing the means such as oil flow rate waste, so that the engine power of consumption is reduced, from
And the fuel economy of engine is provided.
In traditional oil duct arrangement, lubricating oil from after lubricating oil pump outflow by being arranged in cylinder body or oil sump, it is more long
Oil duct could flow into machine filter, and voltage loss is big, and structure is more complicated.Also, engine is mainly located at cylinder with the oil duct of oily part
Behind body main oil gallery, i.e., connected with lubricating cylinders formula, if there is exception, can influence engine mainly with the lubricity of oily part
Energy.In addition, whole engine oil gallery, peripheral pipeline is relatively more, and Reliability comparotive is poor.
If China Patent Publication No. is the patent document of CN1786449A, a kind of " profit of engine cylinder assembly is disclosed
Lubricating oil road ", to the effect that, oil duct is arranged in oil sump, framework, cylinder body its technical scheme, but oil duct cloth after lubricating oil pump
Put in oil sump, oil circuit is more long, system pressure loss is big, and there is problem in sealing.
In sum, in the prior art in the presence of following technical problem：1st, oil duct is more long, and lubricating oil collects damage in flow process
The more energy of consumption, oil pressure skewness.2nd, oil circuit is complicated, processed complex, and seals unreliable, and disclosure risk is larger.3、
Main to arrange unreasonable with oily part, lubricating function is bad.
The content of the invention
In view of the shortcomings of the prior art, the technical problems to be solved by the invention are to provide a kind of aviation piston engines
Lubricant passage way, more preferably uniform purpose is distributed to reach lubrication pressure.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
The aviation piston engines lubricant passage way, including lubricating oil pump, cylinder body main oil gallery, cylinder assembly lubricant passage way,
Cylinder cap assembly lubricant passage way and booster lubricant passage way, the lubricating oil pump are connected with cylinder body main oil gallery, the cylinder assembly profit
Lubricating oil road, cylinder cap assembly lubricant passage way and booster lubricant passage way three are connected with cylinder body main oil gallery respectively according to parallel form.
Further, it is connected by cylinder body pair oil duct between the lubricating oil pump and cylinder body main oil gallery, the cylinder body pair oil duct
It is provided with oil cooler and oil filter.
The cylinder body main oil gallery is provided with engine oil pressure and temperature sensor.
The cylinder assembly lubricant passage way is directly connected with cylinder body main oil gallery.
Described cylinder body main oil gallery one end is connected with cylinder body transverse direction oil duct, and cylinder body transverse direction oil duct is stood to oil duct and cylinder cap by cylinder body
Assembly lubricant passage way is connected.
The booster lubricant passage way includes sucker of supercharger, TC bearings and oil return pipe of supercharger, the increasing
Depressor oil inlet pipe and oil return pipe of supercharger are respectively positioned on outside cylinder body.
The oil cooler presses machine oil flow direction positioned at the front portion of oil filter.
The cylinder body main oil gallery and cylinder body pair oil duct side by side parallel are set.
The diameter with diameter greater than cylinder body main oil gallery of the cylinder body pair oil duct.
The oil cooler is aluminium box typed structure.
The oil filter is rotary papery cleaner.
The cylinder assembly lubricant passage way includes piston cooling nozzle, and the piston cooling nozzle is arranged on cylinder body main oil gallery
On.
The cylinder assembly lubricant passage way includes main bearing hole of cylinder and the oblique oil duct of cylinder body and pitman shaft bearing bore, the cylinder
Body main bearing hole and pitman shaft bearing bore are connected by the oblique oil duct of cylinder body with cylinder body main oil gallery.
The cylinder body transverse direction oil duct and the perpendicular arrangement of cylinder body main oil gallery.
The cylinder body is stood to oil duct and the cylinder body transverse direction perpendicular arrangement of oil duct.
The booster lubricant passage way includes sucker of supercharger, and the sucker of supercharger is direct with cylinder body transverse direction oil duct
It is connected.
The cylinder cap assembly lubricant passage way includes cylinder cap air inlet side main oil gallery and head exhaust side main oil gallery, and the cylinder body stands
Cylinder cap is connected with to oil duct to stand to oil duct, the cylinder cap stands and is arranged in the main oil of cylinder cap air inlet side main oil gallery and head exhaust side to oil duct
Between road.
The cylinder cap assembly lubricant passage way includes cylinder cap air inlet side main oil gallery and head exhaust side main oil gallery, and the cylinder cap enters
Gas side main oil gallery and head exhaust side main oil gallery side by side parallel are set.
The cylinder cap assembly lubricant passage way includes cylinder cap air inlet side main oil gallery and head exhaust side main oil gallery, and the cylinder cap enters
Gas side main oil gallery is identical with the diameter of head exhaust side main oil gallery.
Caliber of the caliber of the oil return pipe of supercharger more than sucker of supercharger.
The cylinder cap stands and is connected with cylinder cap transverse direction oil duct to the upper end of oil duct, and the two ends of cylinder cap transverse direction oil duct are entered with cylinder cap respectively
Gas side main oil gallery and head exhaust side main oil gallery are connected.
The cylinder cap is stood to oil duct and the cylinder cap transverse direction perpendicular arrangement of oil duct.
The cylinder cap transverse direction oil duct is homogeneously arranged vertically with cylinder cap air inlet side main oil gallery and head exhaust side main oil gallery.
The present invention compared with prior art, with advantages below：
1st, without built-in oil duct on oil sump, processing is reduced, structure is simpler, is sealed more reliable；
2nd, the hydraulic oil after lubricating oil pump, into before cylinder body, flows first to oil cooler and oil filter, it is ensured that
Temperature lubricating oil preferably, cleaner enters engine interior, plays good greasy property, it is ensured that lubricant effect；
3rd, main to use oily part, such as piston cooling nozzle and booster, directly from main oil gallery extraction, lubricating system is more reliable
Property；
4th, cylinder cap intake and exhaust side main oil gallery is parallel-connection structure, and engine oil pressure is more evenly distributed；
5th, cylinder cap oil circuit entrance is located at cylinder cap zone line, and oil circuit declines reduction along journey, and oil pressure is evenly distributed in cylinder cap, can protect
There are enough oil pressure demands card cylinder cap distal end, it is to avoid distal end oil pressure deficiency causes the problem of abnormal sound and inordinate wear, simple structure, into
This is low；
6th, whole lubricant passage way is in regular distribution, and linking is abundant, forms a succinct smoothly lubricant passage way, is in engine
The lubrication of movement parts provides reliable guarantee.
Brief description of the drawings
The content expressed by each width accompanying drawing of this specification and the mark in figure are briefly described below：
Fig. 1 is lubricant oil road structure schematic diagram one of the present invention.
Fig. 2 is lubricant oil road structure schematic diagram two of the present invention.
Fig. 3 moves towards schematic diagram for cylinder assembly lubricant passage way of the present invention.
Fig. 4 moves towards schematic diagram for cylinder cap assembly lubricant passage way of the present invention.
In figure：
10. oil trap, 11. lubricating oil pump, 12. cylinder bodies pair oil duct, 13. oil cooler, 14. oil filter, 15.
Cylinder body main oil gallery, 16. piston cooling nozzles, the oblique oil duct of 17. cylinder bodies, 18. main bearing hole of cylinder, 19. base bearing hole deviation oil ducts,
20. pitman shaft bearing bore, 21. cylinder bodies transverse direction oil duct, 22. sucker of supercharger, 23. TC bearings, 24. oil return pipe of supercharger,
25. cylinder bodies stand to oil duct, 26. cylinder caps stand to oil duct, 27. cylinder caps transverse direction oil duct, 28. head exhaust side main oil gallerys,
29. head exhaust skew back oil ducts, 30. exhaust side cams axle bearings, 31. exhaust hydraulic tappet holes, the 32. main oil of cylinder cap air inlet side
Road, 33. cylinder cap air inlet skew back oil ducts, 34. intake-side camshaft bearings, 35. air inlet hydraulic tappet holes, 36. cylinder bolt holes,
37. cylinder cap main oil gallerys sealing plug,
38. engine oil pressures and temperature sensor, 39. cylinder body main oil gallerys sealing plug, 40. bulbs.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, further details of is made to specific embodiment of the invention
Explanation.
As shown in Figures 1 to 4, the aviation piston engines lubricant passage way, including lubricating oil pump 11, cylinder body main oil gallery
15th, cylinder assembly lubricant passage way, cylinder cap assembly lubricant passage way and booster lubricant passage way, lubricating oil pump and the phase of cylinder body main oil gallery 15
Even, cylinder assembly lubricant passage way, cylinder cap assembly lubricant passage way and booster lubricant passage way three according to parallel form respectively with cylinder
Body main oil gallery is connected.There is exception in one of branch road, and other lubrication branch roads are not influenceed；And lubrication pressure is distributed more preferably
Uniformly, the lubricant effect of each moving component is improved.
The import of lubricating oil pump 11 is connected with oil trap 10, by cylinder body pair oil duct between lubricating oil pump and cylinder body main oil gallery
12 are connected, i.e., the high-pressure outlet of lubricating oil pump is connected with cylinder body pair oil duct 12 one end, and cylinder body pair oil duct 12 is provided with machine oil cooling
Device 13 and oil filter 14, oil cooler press machine oil flow direction positioned at the front portion of oil filter.Hydraulic oil after lubricating oil pump,
Into before cylinder body, oil cooler and oil filter are flowed first to, it is ensured that temperature lubricating oil preferably, cleaner enters
Enter engine interior, play good greasy property, it is ensured that lubricant effect.
In the position oil sump of oil trap 10, the effect of oil trap 10 is that machine oil is drawn from oil sump, is gone forward side by side
Row primary filter.Internal pipeline is provided with coarse filter device, can carry out primary filter to entering the machine oil in lubricating oil pump 11, it is to avoid
Excessive impurity is damaged engine in lubricating oil；In addition, oil trap 10 is built in oil sump, periphery can be avoided
Pipeline collides with.
Lubricating oil pump 11 is located at motor head, is rotator type structure.The effect of lubricating oil pump 11 is to draw machine oil and is machine oil
Pressurization, inside has oil circuit to be connected with oil trap 10 and cylinder body pair oil duct.Lubricating oil after being pressurizeed through lubricating oil pump 11, is introduced into cylinder
Body pair oil duct 12, cools down subsequently into oil cooler 13, enters back into oil filter 14 and filters, and finally enters cylinder body main oil gallery
15。
Cylinder body main oil gallery and cylinder body pair oil duct side by side parallel are set, cylinder body pair oil duct it is straight with diameter greater than cylinder body main oil gallery
Footpath.And cylinder body pair oil duct 12 and the connecting portion of oil cooler 13, centre is separated using expansion plug, so as to ensure lubrication
Oil can be cooled down by oil cooler 13.In addition, oil cooler 13 is aluminium box typed structure, carried out using water-cooling pattern
Radiating, more preferably, weight is lighter for radiating effect.
Oil filter 14 is rotary papery cleaner, it is ensured that the clean lubricating oil after filtering enters cylinder body main oil gallery,
Finally it is transported to engine interior.
Cylinder assembly lubricant passage way is directly connected with cylinder body main oil gallery.Specifically, cylinder assembly lubricant passage way includes piston
Cooling nozzles 16, main bearing hole of cylinder 18 and the oblique oil duct 17 of cylinder body and pitman shaft bearing bore 20, piston cooling nozzle 16 is for side by side
Four for setting, four piston cooling nozzles are arranged on cylinder body main oil gallery.Lubricating oil directly sprays through piston cooling nozzle 16
On piston skirt surface, and then the thermic load of piston is reduced, and then suppress quick-fried shaking.
Main bearing hole of cylinder 18 and pitman shaft bearing bore 20 are connected by the oblique oil duct of cylinder body with cylinder body main oil gallery.Lubricating oil is passed through
In the oblique feed track main bearing hole of cylinder 18 of oil duct 17 of cylinder body, so as to be lubricated to main bearing journal；Main bearing hole of cylinder 18 with
Base bearing hole deviation oil duct 19 is provided between pitman shaft bearing bore 20, pressure lubrication oil is guided on perch neck.
The front end of cylinder body main oil gallery 15 be provided with cylinder body transverse direction oil duct 21, cylinder body transverse direction oil duct 21 bifurcate, one directly with
Sucker of supercharger 22 is connected, and cylinder body transverse direction oil duct end is connected by bulb 40 with sucker of supercharger, and input lubricating oil is arrived
TC bearings 23, return to inside engine crankcase finally by oil return pipe of supercharger 24.Due to 23 pairs of profits of TC bearings
Lubricating oil requirement is higher, so lubricant passage way is directly connected with cylinder body main oil gallery 15, can so ensure there is enough pressure, and temperature is fitted
In suitable cleaning lubricating oil inlet channel TC bearings 23.
Further, since the appearance and size limitation of booster, sucker of supercharger 22 is external with oil return pipe of supercharger 24
Pipeline, the caliber of the caliber more than sucker of supercharger of oil return pipe of supercharger.Sucker of supercharger and the equal position of oil return pipe of supercharger
Outside cylinder body, difficult arrangement and built-in oil duct processed complex can be so solved the problems, such as.Other booster position position
Gravity circuit is used in the middle of engine.
The one end of cylinder body main oil gallery 15 is connected with cylinder body transverse direction oil duct 21, and cylinder body transverse direction oil duct is stood to oil duct and cylinder cap by cylinder body
Assembly lubricant passage way is connected.Cylinder body transverse direction oil duct 21 and the perpendicular arrangement of cylinder body main oil gallery 15, are easy to processing, cylinder body main channel
End seals plug 39 and seals by cylinder body main oil gallery, and fluid sealant is applied before assembling, can so ensure the reliability of sealing.Cylinder body
Main oil gallery is provided with engine oil pressure and temperature sensor 38, and engine oil pressure is with the effect of temperature sensor 38, to the main oil of cylinder body
Lubricating oil in road 15 carries out engine oil pressure and oil temperature data acquisition, is finally transported on aircraft instrument, and pilot is entered
Row is reminded.
Sucker of supercharger 22 is joined directly together with cylinder body transverse direction oil duct 21；Cylinder body is stood to oil duct 25 and cylinder body transverse direction oil duct 21
Perpendicular arrangement.It is easy to machining.
Cylinder cap oil circuit includes：Cylinder cap stands to be arranged to oil duct 26, cylinder cap transverse direction oil duct 27, head exhaust side main oil gallery 28, cylinder cap
Gas skew back oil duct 29, exhaust side cams axle bearing 30, exhaust hydraulic tappet hole 31, cylinder cap air inlet side main oil gallery 32, cylinder cap air inlet
Skew back oil duct 33, intake-side camshaft bearing 34, air inlet hydraulic tappet hole 35.
Cylinder cap stands to be stood to oil duct 26 and cylinder body and is communicated to oil duct 25, and cylinder cap stands the upper end and cylinder cap transverse direction oil duct to passage 26
27 are connected, during the lubricating oil of cylinder assembly is guided to cylinder cap assembly oil duct.Lubricating oil first passes through cylinder cap and stands to oil duct 26, then to cylinder
The horizontal oil duct 27 of lid.
Cylinder cap transverse direction oil duct 27 two ends are divided into two branch roads, wherein a branch road flows directly into head exhaust side main oil gallery 28, separately
One branch road flows to cylinder cap air inlet side main oil gallery 32.Wherein cylinder cap stands and is intersected vertically with cylinder cap transverse direction oil duct 27 to oil duct 26, rule
Distribution, is easy to processing；Head exhaust side main oil gallery 28 is distributed with the side by side parallel of cylinder cap air inlet side main oil gallery 32, with cylinder cap transverse direction
Oil duct 27 intersects vertically, and distribution rule in order, is on the one hand easy for processing, is on the other hand to ensure, into cylinder cap intake and exhaust
The lubricating oil of side, can be uniformly distributed, so as to use oily component capabilities on cylinder cap assembly.
Head exhaust skew back oil duct 29 is provided with head exhaust side main oil gallery 28, and exhaust side cams axle bearing is connected
30, so as to ensure the lubrication of exhaust cam shaft；Meanwhile, exhaust hydraulic tappet hole 31 is provided with head exhaust side main oil gallery 28,
The lubricating oil of head exhaust survey main oil gallery 28 can be entered directly into exhaust hydraulic tappet hole 31.
Identical, is provided with cylinder cap air inlet skew back oil duct 33 on cylinder cap air inlet side main oil gallery 32, and connect exhaust side cams
Axle bearing 34, so as to ensure the lubrication of exhaust cam shaft；Likewise, exhaust hydraulic pressure is provided with head exhaust side main oil gallery 28 enduring
Post holes 35, the lubricating oil of head exhaust survey main oil gallery 32 can be entered directly into and is vented in hydraulic tappet hole 35.
Head exhaust side main oil gallery 28 is symmetrically and evenly distributed with cylinder cap air inlet side main oil gallery 32, cylinder cap air inlet side main oil gallery and
The diameter of head exhaust side main oil gallery is identical, can effectively ensure that being uniformly distributed for engine oil pressure.In addition, head exhaust side main oil gallery
28 with cylinder cap air inlet side main oil gallery 32 in the middle of passed perpendicularly through by cylinder bolt 36, be arranged so as to more compact, overall weight more has excellent
Gesture；Head exhaust side main oil gallery 28 seals plug 37 and seals with the two ends of cylinder cap air inlet side main oil gallery 32 by cylinder cap main oil gallery.
Fluid sealant is applied before assembling, can so ensure the reliability of sealing.
Head exhaust skew back oil duct 29 and cylinder cap air inlet skew back oil duct 33 respectively with head exhaust side main oil gallery 28 and cylinder cap
Air inlet side main oil gallery 32 is in constant slope angle, and symmetrical.
Basic oil circuit trend is as follows：
Oil trap-lubricating oil pump-cylinder body pair oil duct-oil cooler-oil filter-cylinder body main oil gallery-
Oblique oil duct-trunnion-the rod journal of cylinder body；
Cylinder body main oil gallery-piston cooling nozzle-piston；
Cylinder body main oil gallery-cylinder body transverse direction oil duct-sucker of supercharger-TC bearings-oil return pipe of supercharger；
Cylinder body main oil gallery-cylinder body transverse direction oil duct-upper cylinder cover oil duct-cylinder cap transverse direction oil duct-head exhaust surveys main oil gallery-cylinder cap
Exhaust deviational survey oil duct-head exhaust side camshaft bearing bore/exhaust side hydraulic tappet；
Main oil gallery-cylinder cap is surveyed in cylinder body main oil gallery-cylinder body transverse direction oil duct-upper cylinder cover oil duct-cylinder cap transverse direction oil duct-cylinder cap air inlet
Air inlet deviational survey oil duct-cylinder cap intake-side camshaft bearing bore/air inlet side hydraulic tappet.
Compared with traditional engine oil gallery, oil circuit of the invention is set, and oil circuit path is shorter, is evenly distributed, plus
Work is easier.Can also ensure simultaneously engine it is main with oily part oil demand, can be prevented effectively from that engine oil pressure is not enough, be distributed
Uneven the problems such as.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented and do not receive aforesaid way
Limitation, if employ the improvement of various unsubstantialities that design of the invention and technical scheme are carried out, or it is not improved will
Design of the invention and technical scheme directly apply to other occasions, within protection scope of the present invention.
Claims (23)
1. a kind of aviation piston engines lubricant passage way, including lubricating oil pump, cylinder body main oil gallery, cylinder assembly lubricant passage way,
Cylinder cap assembly lubricant passage way and booster lubricant passage way, the lubricating oil pump are connected with cylinder body main oil gallery, it is characterised in that：It is described
Cylinder assembly lubricant passage way, cylinder cap assembly lubricant passage way and booster lubricant passage way three according to parallel form respectively with cylinder body master
Oil duct is connected.
2. aviation piston engines lubricant passage way as claimed in claim 1, it is characterised in that：The lubricating oil pump and cylinder body master
It is connected by cylinder body pair oil duct between oil duct, the cylinder body pair oil duct is provided with oil cooler and oil filter.
3. aviation piston engines lubricant passage way as claimed in claim 1, it is characterised in that：Set on the cylinder body main oil gallery
Organic oil pressure and temperature sensor.
4. aviation piston engines lubricant passage way as claimed in claim 1, it is characterised in that：The cylinder assembly lubricating oil
Road is directly connected with cylinder body main oil gallery.
5. aviation piston engines lubricant passage way as claimed in claim 1, it is characterised in that：Described cylinder body main oil gallery one end
Cylinder body transverse direction oil duct is connected with, cylinder body transverse direction oil duct is stood by cylinder body and is connected with cylinder cap assembly lubricant passage way to oil duct.
6. aviation piston engines lubricant passage way as claimed in claim 1, it is characterised in that：The booster lubricant passage way
Including sucker of supercharger, TC bearings and oil return pipe of supercharger, the sucker of supercharger and oil return pipe of supercharger are equal
Outside cylinder body.
7. aviation piston engines lubricant passage way as claimed in claim 2, it is characterised in that：The oil cooler presses machine
Oil flow direction is positioned at the front portion of oil filter.
8. aviation piston engines lubricant passage way as claimed in claim 2, it is characterised in that：The cylinder body main oil gallery and cylinder
Body pair oil duct side by side parallel is set.
9. aviation piston engines lubricant passage way as claimed in claim 2, it is characterised in that：Cylinder body pair oil duct it is straight
Diameter of the footpath more than cylinder body main oil gallery.
10. aviation piston engines lubricant passage way as claimed in claim 2, it is characterised in that：The oil cooler is
Aluminium box typed structure.
11. aviation piston engines lubricant passage ways as claimed in claim 2, it is characterised in that：The oil filter is
Rotary papery cleaner.
12. aviation piston engines lubricant passage ways as claimed in claim 4, it is characterised in that：The cylinder assembly lubrication
Oil circuit includes piston cooling nozzle, and the piston cooling nozzle is arranged on cylinder body main oil gallery.
13. aviation piston engines lubricant passage ways as claimed in claim 4, it is characterised in that：The cylinder assembly lubrication
Oil circuit includes main bearing hole of cylinder and the oblique oil duct of cylinder body and pitman shaft bearing bore, and the main bearing hole of cylinder and pitman shaft bearing bore are equal
It is connected with cylinder body main oil gallery by the oblique oil duct of cylinder body.
14. aviation piston engines lubricant passage ways as claimed in claim 5, it is characterised in that：The cylinder body transverse direction oil duct
With the perpendicular arrangement of cylinder body main oil gallery.
15. aviation piston engines lubricant passage ways as claimed in claim 5, it is characterised in that：The cylinder body is stood to oil duct
With the cylinder body transverse direction perpendicular arrangement of oil duct.
16. aviation piston engines lubricant passage ways as claimed in claim 5, it is characterised in that：The booster lubricating oil
Road includes sucker of supercharger, and the sucker of supercharger is joined directly together with cylinder body transverse direction oil duct.
17. aviation piston engines lubricant passage ways as claimed in claim 5, it is characterised in that：The cylinder cap assembly lubrication
Oil circuit includes cylinder cap air inlet side main oil gallery and head exhaust side main oil gallery, and the cylinder body stands and is connected with cylinder cap to oil duct and stands to oil duct,
The cylinder cap stands and is arranged between cylinder cap air inlet side main oil gallery and head exhaust side main oil gallery to oil duct.
18. aviation piston engines lubricant passage ways as claimed in claim 5, it is characterised in that：The cylinder cap assembly lubrication
Oil circuit includes cylinder cap air inlet side main oil gallery and head exhaust side main oil gallery, the cylinder cap air inlet side main oil gallery and head exhaust side master
Oil duct side by side parallel is set.
19. aviation piston engines lubricant passage ways as claimed in claim 5, it is characterised in that：The cylinder cap assembly lubrication
Oil circuit includes cylinder cap air inlet side main oil gallery and head exhaust side main oil gallery, the cylinder cap air inlet side main oil gallery and head exhaust side master
The diameter of oil duct is identical.
20. aviation piston engines lubricant passage ways as claimed in claim 6, it is characterised in that：The oil return pipe of supercharger
Caliber more than sucker of supercharger caliber.
21. aviation piston engines lubricant passage ways as claimed in claim 17, it is characterised in that：The cylinder cap is stood to oil duct
Upper end be connected with cylinder cap transverse direction oil duct, cylinder cap transverse direction oil duct two ends respectively with cylinder cap air inlet side main oil gallery and head exhaust side master
Oil duct is connected.
22. aviation piston engines lubricant passage ways as claimed in claim 21, it is characterised in that：The cylinder cap is stood to oil duct
With the cylinder cap transverse direction perpendicular arrangement of oil duct.
23. aviation piston engines lubricant passage ways as claimed in claim 21, it is characterised in that：The cylinder cap transverse direction oil duct
Homogeneously it is arranged vertically with cylinder cap air inlet side main oil gallery and head exhaust side main oil gallery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687671.9A CN106089351B (en) | 2016-08-19 | 2016-08-19 | Piston type engine oil gallery for aviation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687671.9A CN106089351B (en) | 2016-08-19 | 2016-08-19 | Piston type engine oil gallery for aviation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106089351A CN106089351A (en) | 2016-11-09 |
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| US10415442B2 (en) * | 2017-08-28 | 2019-09-17 | GM Global Technology Operations LLC | Internal combustion engine with oil warming with directed spray in cylinder head |
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| CN107939505A (en) * | 2017-10-29 | 2018-04-20 | 重庆长安汽车股份有限公司 | A kind of oil line arrangement structure of engine piston cooling nozzle |
| KR102417368B1 (en) * | 2017-12-19 | 2022-07-05 | 현대자동차 주식회사 | Oil pressure switch, apparatus for diagnozing piston cooling oil jet, and method using the same |
| CN108397255B (en) * | 2018-04-03 | 2020-04-21 | 安徽航瑞航空动力装备有限公司 | Lubricating system of horizontal opposed piston engine for aviation |
| CN108915816B (en) * | 2018-08-31 | 2024-04-05 | 芜湖航瑞航空动力产业技术研究院有限公司 | Dry lubrication system for horizontal opposed piston engine for aviation |
| CN110017189A (en) * | 2019-04-26 | 2019-07-16 | 重庆长安汽车股份有限公司 | A kind of engine lubrication system |
| CN114076011A (en) * | 2020-08-21 | 2022-02-22 | 深圳臻宇新能源动力科技有限公司 | Oil pan subassembly and vehicle |
| CN113281050B (en) * | 2021-05-11 | 2022-08-02 | 华中科技大学 | Pressure oil supply type piston oscillation cooling visual test device |
| CN113323738A (en) * | 2021-07-19 | 2021-08-31 | 奇瑞汽车股份有限公司 | Engine |
| CN114991905A (en) * | 2022-06-08 | 2022-09-02 | 哈尔滨东安汽车动力股份有限公司 | Oil circuit suitable for sharing direct-drive and external-hanging oil pumps |
| CN115247585B (en) * | 2022-06-17 | 2024-02-20 | 潍柴动力股份有限公司 | Main oil duct for removing impurities, lubricating system and engine |
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