CN114439569A - Rotor machine lubricating system capable of automatically adjusting oil pumping speed and small rotor machine - Google Patents
Rotor machine lubricating system capable of automatically adjusting oil pumping speed and small rotor machine Download PDFInfo
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- CN114439569A CN114439569A CN202111659775.6A CN202111659775A CN114439569A CN 114439569 A CN114439569 A CN 114439569A CN 202111659775 A CN202111659775 A CN 202111659775A CN 114439569 A CN114439569 A CN 114439569A
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- rotor machine
- pulse pump
- cylinder body
- pump assembly
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 30
- 238000005086 pumping Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000005461 lubrication Methods 0.000 claims description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000011900 installation process Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 103
- 239000010705 motor oil Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- 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
- F01M1/16—Controlling lubricant pressure or quantity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
-
- 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
- F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M2011/0095—Supplementary oil tank
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a rotor machine lubricating system capable of automatically adjusting oil pumping speed and a small-sized rotor machine, which comprise a cylinder body and an oil supply mechanism, wherein the oil supply mechanism is arranged outside the cylinder body, the lower part of the oil supply mechanism is provided with a pulse pump assembly for automatically adjusting the oil supply quantity of the cylinder body, an oil inlet connected with the pulse pump assembly is arranged on an end cover of the cylinder body, the upper part of the oil supply mechanism is provided with an oil pot connected with the pulse pump assembly, and the pulse pump assembly is electrically connected with a control mechanism for controlling the action of the pulse pump assembly. The invention reduces the volume of the rotor machine, lightens the weight, reduces the cost, makes the structure of the rotor machine more compact, makes the installation process more simple, convenient and flexible, controls the action of the pulse pump assembly by utilizing the control mechanism, has the characteristic of automatically adjusting the oil supply quantity of the cylinder body, improves the oil supply adjusting capacity of the oil pot, and ensures that the lubricating system can be suitable for a small rotor engine with small mass and volume and high rotating speed.
Description
Technical Field
The invention belongs to the technical field of diesel oil rotor machines, and particularly relates to a rotor machine lubricating system capable of automatically adjusting oil pumping speed and a small rotor machine.
Background
The rotary engine relies on the expansion pressure generated by the combustion of the air-fuel mixture to obtain a rotational force. The rotor engine is an important product of a military power system, indexes such as stable operation, service life and the like of the rotor machine are determined by a lubricating system, and the lubricating system is mainly used for controlling a metering pump to pump engine oil in an oil can to an oil inlet of a cylinder body of the rotor machine in a planned way through a driving circuit, so that the lubrication of the rotor machine is completed. At present, most of rotor engines adopt an original motor-driven engine oil metering pump to lubricate the rotor engines, and the engine oil metering pump is large in size and mass, expensive in price, only suitable for large-scale high-power multi-cylinder rotor engines, and not suitable for small-scale rotor engines with small mass, small size and high rotating speed.
At the present stage, an oil pump oil way designed for a light diesel engine is provided, and although the running stability of the light diesel engine is improved, the oil pump oil way is extremely difficult to adjust the lubricating metering according to the rotating speed change of a rotor machine, and the structure is still complex, so that the installation process is complicated, and the oil pump oil way cannot be applied to a small rotor engine with a high rotating speed. For example, chinese patent publication No. CN107084080A, published 2017, 08 and 22 months, discloses an oil pump oil circuit and a diesel motor vehicle, and proposes "including an oil tank, an oil delivery pump and a common rail pipeline which are sequentially communicated; the common rail pipeline is communicated with an oil return pipe, and one end of the oil return pipe, which is far away from the common rail pipeline, is communicated with an oil tank; the oil transfer pump comprises a lubricating pipeline and a plunger pump communicated with the oil transfer pump, and the lubricating pipeline is used for lubricating the plunger pump; the oil transfer pump also comprises a pump inner cavity, the pump inner cavity is used for collecting oil leakage in the plunger pump and lubricating oil of the plunger pump, and the pump inner cavity is communicated with the oil return pipe. Although the oil pump oil circuit in the prior art can improve the oil supply capacity and reliability of the low rotating speed of the oil delivery pump, the oil pump oil circuit in the prior art is complex in structure, the installation process is complicated, the oil supply adjusting capacity is low, and the oil supply lubrication is difficult to be stably and accurately performed on a small-sized rotary engine with a high rotating speed. For this reason, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a rotor machine lubricating system capable of automatically adjusting the oil pumping speed and a small-sized rotor machine, and aims to solve the problems of complex structure, complex installation process and low oil supply adjusting capacity of the lubricating system of the rotor engine in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic adjustment pump oil speed's rotor machine lubricating system, includes cylinder body and oil feed mechanism, its characterized in that, oil feed mechanism sets up the outside at the cylinder body, oil feed mechanism's lower part is provided with the pulse pump subassembly that is used for the automatic adjustment cylinder body fuel feeding, be provided with the oil inlet that is connected with the pulse pump subassembly on the cylinder body end cover, oil feed mechanism's upper portion is provided with the oilcan that is connected with the pulse pump subassembly, the pulse pump subassembly electricity is connected with the control mechanism who is used for controlling the action of pulse pump subassembly.
Furthermore, a pump oil inlet connected with the oil can is formed in the top of the pulse pump assembly, a pump oil outlet connected with the cylinder body is formed in the bottom of the pulse pump assembly, the pump oil inlet is embedded in the bottom of the oil can, the pump oil outlet is connected with the oil inlet through an explosion-proof pipe, a driving terminal A used for driving the pulse pump assembly to control the pump oil outlet to be opened and a driving terminal B used for driving the pulse pump assembly to control the pump oil outlet to be disconnected are respectively arranged on two sides of the pump oil outlet, and the driving terminal A and the driving terminal B are both electrically connected with the control mechanism.
Further, the control mechanism comprises a driving circuit for driving the pulse pump assembly, and the driving circuit is electrically connected with the power supply module and the signal generation module.
Further, the specific steps of the driving circuit for driving the pulse pump assembly are as follows: the driving circuit is powered through the power supply module, the signal generation module receives a square wave signal of the rotating speed of the cylinder body and transmits the square wave signal to the driving circuit, the driving circuit analyzes and processes the square wave signal with adjustable frequency, the square wave signal subjected to analysis and processing is fed back to the driving terminal A or the driving terminal B, and the driving terminal A or the driving terminal B controls the oil outlet of the pump of the pulse pump assembly to be opened or closed.
Further, the inside of oilcan is provided with the venthole that is used for exhaust gas, the lateral wall of oilcan is provided with the liquid level meter that is used for showing the oil level, oilcan and pulse pump subassembly all set up the outside at the cylinder body.
Furthermore, a main shaft for driving the cylinder body to rotate is embedded in the cylinder body.
Besides the technical scheme, the small-sized rotor machine with the lubricating system is also provided.
Compared with the prior art, the invention has the beneficial effects that:
1. the rotor machine lubricating system and the small rotor machine have the advantages that the volume of the rotor machine can be reduced, the weight of the rotor machine is reduced, the production cost is effectively reduced, the structure of the rotor machine is more compact, the structure of the lubricating system is effectively simplified through the pulse pump assembly arranged between the oil pot and the cylinder body, the installation process of the lubricating system is simpler, more convenient and more flexible, the pulse pump assembly is controlled to act by the control mechanism, the pulse pump assembly has the characteristic of automatically adjusting the oil supply quantity of the cylinder body, the oil supply adjusting capacity of the oil pot can be effectively improved, the lubricating effect of the cylinder body of the rotor machine can be changed along with the change of the rotating speed, the service life of the rotor machine is effectively prolonged, and the lubricating system is ensured to be suitable for the small rotor engine with small mass, small size and high rotating speed.
2. The oil supply mechanism is externally arranged by adopting the oil pot and the pulse pump assembly, so that an internal lubricating oil channel of the cylinder body of the rotor machine is eliminated, the mounting flexibility is effectively improved, the customization degree of the oil supply mechanism is high, the oil supply mechanism can realize mass production, the practical value of a lubricating system of the rotor machine is effectively improved, and the plasticity and the flexibility of the lubricating system are effectively improved.
3. The pulse pump assembly is controlled by adopting a pulse width modulation technology, so that the stability and the accuracy of the pulse pump assembly can be effectively improved, the current driving capability can be effectively improved by utilizing the drive circuit with the totem-pole structure, the charging and discharging process is accelerated, the oil supply rate can be more accurately and flexibly adjusted by the pulse pump assembly under the drive of the drive circuit, the oil supply adjustment rate of power/rotating speed in a large range is met, and the stability, the flexibility and the accuracy of a rotor machine lubricating system are ensured.
Drawings
FIG. 1 is a schematic view of a lubrication system connection configuration of the present invention;
FIG. 2 is a schematic view of the drive connection of the pulser pump assembly of the present invention;
fig. 3 is a schematic circuit diagram of a driving circuit according to the present invention.
Wherein: 1. a cylinder body; 2. an oil supply mechanism; 3. a pulse pump assembly; 4. an oil inlet; 5. an explosion-proof tube; 6. an oil can; 7. a control mechanism; 8. a main shaft; 9. an air outlet; 10. a liquid level meter; 11. an oil inlet of the pump; 12. an oil outlet of the pump; 13. a drive terminal A; 14. a drive terminal B; 15. a drive circuit; 16. a power supply module; 17. and a signal generation module.
Detailed Description
The following examples are intended to further illustrate the invention and are not intended to limit the application of the invention.
Example 1:
as shown in figure 1, the rotor machine lubricating system capable of automatically adjusting the oil pumping rate comprises a cylinder body 1 and an oil supply mechanism 2, wherein the oil supply mechanism 2 is arranged outside the cylinder body 1, a pulse pump assembly 3 used for automatically adjusting the oil supply amount of the cylinder body 1 is arranged at the lower part of the oil supply mechanism 2, an oil inlet 4 used for oil inlet is arranged on an end cover of the cylinder body 1, the oil inlet 4 is connected with the pulse pump assembly 3 through an explosion-proof pipe 5, an oil pot 6 used for oil supply is arranged at the upper part of the oil supply mechanism 2, the oil pot 6 and the pulse pump assembly 3 are integrally combined, and the pulse pump assembly 3 is electrically connected with a control mechanism 7 used for controlling the pulse pump assembly 3 to act.
As shown in fig. 1, a main shaft 8 for driving the cylinder body 1 to rotate is embedded in the cylinder body 1, an air outlet 9 for exhausting air is arranged in the oil can 6, so that oil quality in the oil can 6 can be effectively improved, a liquid level meter 10 for displaying an oil level is arranged on the outer side wall of the oil can 6, so that oil supply efficiency of the oil can 6 can be effectively improved, and the oil can 6 and the pulse pump assembly 3 are both arranged outside the cylinder body 1.
As shown in fig. 2, a pump oil inlet 11 for leading out oil in the oil can 6 is arranged at the top of the pulse pump assembly 3, the pump oil inlet 12 is embedded at the bottom of the oil can 6, a pump oil outlet 12 for discharging oil to the cylinder body 1 is arranged at the bottom of the pulse pump assembly 3, and the pump oil outlet 12 is connected with the oil inlet 4 through an explosion-proof pipe 5;
a driving terminal A13 for driving the pulse pump assembly 3 to control the opening of the pump oil outlet 12 and a driving terminal B14 for driving the pulse pump assembly 3 to control the opening of the pump oil outlet 12 are respectively arranged on two sides of the pump oil outlet 12, and the driving terminal A13 and the driving terminal B14 are both electrically connected with the control mechanism 7;
the control mechanism 7 comprises a drive circuit 15 for driving the pulser-pump assembly 3, the drive circuit 15 being electrically connected to a power supply module 16 and a signal generating module 17.
As shown in fig. 2, when the driving circuit 15 needs to drive the pulser assembly 3, the power module 16 supplies power to the driving circuit 15, the signal generating module 17 generates a square wave signal with adjustable frequency according to the rotation speed of the cylinder 1 and transmits the square wave signal to the driving circuit 15, the driving circuit 15 analyzes and processes the square wave signal, and finally feeds back the analyzed and processed square wave signal to the driving terminal a13 or the driving terminal B14, and then the driving terminal a13 or the driving terminal B14 controls the opening or closing of the pump outlet 12 of the pulser assembly 3.
As shown in fig. 3, the PWM is a square wave with adjustable frequency, Q3 and Q4 are N-type metal oxide semiconductors, that is, switching-type devices, for controlling the on/off of the pulse pump assembly 3, Q1 and Q2 form a totem-pole drive structure for increasing the drive current at the gates of Q3 and Q4, D1 and D2 are freewheeling diodes for releasing the instantaneous large current during the operation of the pulse pump assembly 3, the terminals a and C are one terminals for controlling the drive of the pulse pump assembly 3, that is, the drive terminal a13, and the terminals B and D are the other terminals for controlling the drive of the pulse pump assembly 3, that is, the drive terminal B14;
the pulse pump assembly 3 can automatically adjust the oil pumping rate according to the change of the rotating speed and the power of the cylinder body 1 of the rotor machine so as to ensure the accurate metering of the oil quantity of the cylinder body 1, and because the working frequency of the pulse pump assembly 3 is related to the rotating speed of the cylinder body 1 of the rotor machine, when the rotating speed of the cylinder body 1 is low, the signal generating module 17 can form a PWM signal of a low-frequency section according to the low rotating speed of the cylinder body 1, the B end and the D end (namely, the driving terminal B14) are connected through Q3 and Q4 to control the oil pumping outlet 12 of the pulse pump assembly 3 to cut off oil delivery into the cylinder body 1, and the cylinder body 1 can be ensured to stably operate at low speed and low power; when the rotating speed of the cylinder body 1 is high, the signal generating module 17 can form a PWM signal of a high-frequency section according to the high rotating speed of the cylinder body 1, the PWM signal is communicated through Q3 and Q4, the end a and the end C (i.e., the driving terminal a 13) control the oil outlet 12 of the pulse pump assembly 3 to be communicated to deliver oil to the cylinder body 1, and the cylinder body 1 can be ensured to stably operate at high speed and high power, so that the signal generating module 17 can compile an engine oil speed MAP according to the difference between the rotating speed and the power of the rotor engine cylinder body 1, and the driving circuit 15 can accurately control the amount of engine oil supplied to the cylinder body 1 by the pulse pump assembly 3 by only reading the engine oil MAP under corresponding working conditions.
Example 2:
referring to fig. 1, as another object of the present invention, a small rotor machine is provided, in which any one of the above lubricating systems is disposed, so that the small rotor machine can obtain any one of the above beneficial effects of the lubricating system, which is not described herein again.
Claims (10)
1. The utility model provides an automatic adjustment pump oil speed's rotor machine lubricating system, includes cylinder body and oil feed mechanism, its characterized in that, oil feed mechanism sets up the outside at the cylinder body, oil feed mechanism's lower part is provided with the pulse pump subassembly that is used for the automatic adjustment cylinder body fuel feeding, be provided with the oil inlet that is connected with the pulse pump subassembly on the end cover of cylinder body, oil feed mechanism's upper portion is provided with the oilcan that is connected with the pulse pump subassembly, the pulse pump subassembly electricity is connected with the control mechanism who is used for controlling the action of pulse pump subassembly.
2. The rotor machine lubricating system for automatically adjusting the oil pumping speed according to claim 1, wherein a pump oil inlet connected with an oil can is arranged at the top of the pulse pump assembly, and the pump oil inlet is embedded in and arranged at the bottom of the oil can.
3. The lubrication system for the rotor machine capable of automatically adjusting the oil pumping speed as claimed in claim 2, wherein the bottom of the pulse pump assembly is provided with an oil outlet connected with the cylinder body, and the oil outlet is connected with the oil inlet through an explosion-proof pipe.
4. The rotor machine lubricating system capable of automatically adjusting the oil pumping speed as claimed in claim 3, wherein a driving terminal A for driving the pulse pump assembly to control the opening of the oil pumping port and a driving terminal B for driving the pulse pump assembly to control the opening of the oil pumping port are respectively arranged on two sides of the oil pumping port, and the driving terminal A and the driving terminal B are both electrically connected with the control mechanism.
5. The system of claim 1, wherein the control mechanism comprises a drive circuit for driving the pulse pump assembly, the drive circuit being electrically connected to the power module and the signal generating module.
6. The rotor machine lubricating system capable of automatically adjusting the oil pumping speed is characterized in that an air outlet hole for exhausting air is formed in the oil can, a liquid level gauge for displaying the oil level is arranged on the outer side wall of the oil can, and the oil can and the pulse pump assembly are arranged outside the cylinder body.
7. The lubrication system for the rotor machine capable of automatically adjusting the oil pumping speed as claimed in claim 1, wherein a main shaft for driving the cylinder to rotate is embedded in the cylinder.
8. The rotor machine lubrication system capable of automatically adjusting the oil pumping rate according to claim 5, wherein the driving circuit drives the pulse pump assembly by the following specific steps: the power supply module supplies power to the driving circuit, the signal generation module transmits a rotating speed signal of the cylinder body to the driving circuit, the driving circuit analyzes and processes the signal transmitted by the signal generation module, the analyzed and processed signal is fed back to the driving terminal A or the driving terminal B, and the driving terminal A or the driving terminal B controls the oil outlet of the pump of the pulse pump assembly to be opened or disconnected.
9. The system of claim 8, wherein the signal generating module is a frequency-adjustable square wave.
10. Small rotor machine, characterized in that it comprises a rotor machine lubrication system according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111659775.6A CN114439569A (en) | 2021-12-31 | 2021-12-31 | Rotor machine lubricating system capable of automatically adjusting oil pumping speed and small rotor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111659775.6A CN114439569A (en) | 2021-12-31 | 2021-12-31 | Rotor machine lubricating system capable of automatically adjusting oil pumping speed and small rotor machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114439569A true CN114439569A (en) | 2022-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111659775.6A Pending CN114439569A (en) | 2021-12-31 | 2021-12-31 | Rotor machine lubricating system capable of automatically adjusting oil pumping speed and small rotor machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114439569A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62150006A (en) * | 1985-12-23 | 1987-07-04 | Mazda Motor Corp | Lubricating device for rotary piston engine |
| JPS62233402A (en) * | 1986-04-03 | 1987-10-13 | Mazda Motor Corp | Lubricant feed device for rotary piston engine |
| JPS62279201A (en) * | 1986-05-29 | 1987-12-04 | Mazda Motor Corp | Lubricating oil supply device for rotary piston engine |
| GB2198191A (en) * | 1986-10-14 | 1988-06-08 | Orbital Eng Pty | Solenoid driven pump |
| US4969429A (en) * | 1989-10-02 | 1990-11-13 | John Deere Technologies International, Inc. | Lube oil control system for turbocharged rotary piston engine |
| CN101970813A (en) * | 2008-02-08 | 2011-02-09 | 富莱士路有限公司 | Lubricant delivery system for internal combustion engines |
-
2021
- 2021-12-31 CN CN202111659775.6A patent/CN114439569A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62150006A (en) * | 1985-12-23 | 1987-07-04 | Mazda Motor Corp | Lubricating device for rotary piston engine |
| JPS62233402A (en) * | 1986-04-03 | 1987-10-13 | Mazda Motor Corp | Lubricant feed device for rotary piston engine |
| JPS62279201A (en) * | 1986-05-29 | 1987-12-04 | Mazda Motor Corp | Lubricating oil supply device for rotary piston engine |
| GB2198191A (en) * | 1986-10-14 | 1988-06-08 | Orbital Eng Pty | Solenoid driven pump |
| US4969429A (en) * | 1989-10-02 | 1990-11-13 | John Deere Technologies International, Inc. | Lube oil control system for turbocharged rotary piston engine |
| CN101970813A (en) * | 2008-02-08 | 2011-02-09 | 富莱士路有限公司 | Lubricant delivery system for internal combustion engines |
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Application publication date: 20220506 |
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