CN110410378A - A kind of novel high speed and high pressure motor - Google Patents
A kind of novel high speed and high pressure motor Download PDFInfo
- Publication number
- CN110410378A CN110410378A CN201910616033.1A CN201910616033A CN110410378A CN 110410378 A CN110410378 A CN 110410378A CN 201910616033 A CN201910616033 A CN 201910616033A CN 110410378 A CN110410378 A CN 110410378A
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- China
- Prior art keywords
- piston
- roller
- high pressure
- high speed
- pressure motor
- Prior art date
- 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
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/08—Constructional features providing for lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/09—Pistons; Trunk pistons; Plungers with means for guiding fluids
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Hydraulic Motors (AREA)
Abstract
A kind of novel high speed and high pressure motor, including shell are evenly distributed with several cylinder bodies on the shell, and the outer end of the cylinder body is fixed with cylinder cap, which is connected to oil circuit；Crankshaft group is equipped in the shell, the crank portion of the crankshaft group is placed in shell and seals by bearing cap；The piston component protruded into cylinder body is evenly distributed on the outside of the crank portion, in which: the piston component includes the roller and the relatively turnable piston on the roller on the outside of crank portion；The bottom of the piston is equipped with the roller chamber of outs open, and the roller rotation is set in the roller chamber；The top of the piston is equipped with plunger shaft, and the bottom of the plunger shaft is equipped with base oil hole, the base oil hole connection plunger shaft and roller chamber；The side of the plunger shaft is equipped with side oilhole, and the side oilhole is connected to inside and outside piston side wall.Hydraulic motor in the present invention reduces transmission chain and transmission parts, improves mechanical efficiency, cooling is more preferable with lubricant effect, and equipment life is long.
Description
Technical field
The invention belongs to motor apparatus technical fields, and in particular to a kind of novel high speed and high pressure motor.
Background technique
Hydraulic motor is the transmission device for realizing the conversion of liquid-function amount, public using relatively broad in all trades and professions
It is known and common.Hydraulic motor it is many kinds of, wherein crankshaft connecting rod type five-pointed star hydraulic motor is one such.It is existing
Having has more Crank- shaft and rod type hydraulic motor in technology, such as: notification number is that the Chinese patent in CN1189673C discloses one kind
Crank shaft-connection-lever type hydraulic, it is disclosed that the general configuration of such hydraulic motor.
Crank shaft-connection-lever type hydraulic is the executive component converted hydraulic energy to mechanical energy, in general, this kind of hydraulic horse
Up to including shell, logical oily device, oil distributor, piston rod part and crankshaft composition, one end of crankshaft is built by double end and oil distributor
Coaxial rotating, piston cylinder are uniformly arranged on crankshaft radially around, and the piston in piston cylinder is connect with connecting rod flexural pivot.In use,
After pressure oil enters piston cylinder by oil distributor, shell, pressure oil generates the top that pressure acts on piston, and piston pushes connecting rod
And then crank rotation is pushed, rotate crankshaft around crankshaft rotation center, to realize that hydraulic energy is converted to mechanical energy, to drive
Load.
In traditional crank shaft-connection-lever type hydraulic, drive mechanism includes ball, bearing holder (housing, cover), crankshaft, connecting rod, piston etc.,
There is more transmission chain in these structure engagement process, mechanical efficiency is not high, and it is big to rub, and equipment attrition is big and potential failure
Rate is high, and especially when hydraulic motor high speed and high pressure is run, the influence of frictional force size and mechanical efficiency to equipment is huge.
Therefore, based on above there is also some problems, the application is made that into one hydraulic motor in the prior art
The design and improvement of step.
Summary of the invention
For the above deficiency in the prior art, the present invention provides a kind of novel high speed and high pressure motors, by liquid
Drive mechanism changes in pressure motor, greatly reduces transmission chain and transmission parts, improves mechanical efficiency, while cooling and lubrication
Effect is good, and equipment whole service life is long.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals.
A kind of novel high speed and high pressure motor, including shell are evenly distributed with several cylinder bodies, the cylinder on the shell
The outer end of body is fixed with cylinder cap, which is connected to oil circuit；Crankshaft group, the crank portion of the crankshaft group are equipped in the shell
It is placed in shell and is sealed by bearing cap；The piston component protruded into cylinder body is evenly distributed on the outside of the crank portion, in which:
The piston component includes the roller and the relatively turnable piston on the roller on the outside of crank portion；The piston
Bottom be equipped with the roller chamber of outs open, roller rotation is set in the roller chamber；The top of the piston is equipped with piston
Chamber, the bottom of the plunger shaft are equipped with base oil hole, the base oil hole connection plunger shaft and roller chamber；The side of the plunger shaft is set
There is side oilhole, the side oilhole is connected to inside and outside piston side wall.
In crank shaft-connection-lever type hydraulic in the prior art, drive mechanism is complicated, generally comprises ball, bearing holder (housing, cover), song
Axis, connecting rod, piston etc., when the operation of hydraulic motor high speed and high pressure, the big and excessive mechanical structure of friction in drive mechanism
So that mechanical efficiency is relatively low.In the application, this crankshaft such as traditional ball, bearing holder (housing, cover), crankshaft, connecting rod, piston is abandoned and has connected
Bar drive mechanism.Reduce transmission chain and transmission parts, substantially increases mechanical efficiency.Meanwhile piston and rolling in the application
Column, roller and crank portion, have been all made of rolling friction, change and have been driven the sliding friction kind of drive, reduce frictional resistance,
Improve mechanical efficiency.
In addition, by opening a small base oil hole in piston base, high pressure liquid pressure oil is guided to roller chamber in the application
In, make to form static pressure supporting role between piston and roller, realizes the balance of dynamic motion, while this sub-fraction is hydraulic
Oil seals to form dynamic oil film layer by the curved surface between piston and roller, and the heat of rolling friction pair is taken away；It is secondary to friction
It is cooled down and is lubricated.
As the crankshaft-link rod of transmission, there are lateral forces in piston and inboard wall of cylinder block, in order to reduce work at work
It fills in frictional influence of the lateral force to inboard wall of cylinder block, in the application, side oilhole is provided on piston, piston outer wall is made to pass through side oilhole
It is connected with plunger shaft (high pressure chest), so that part lateral forces are counteracted, and piston and inboard wall of cylinder block form oil drag, and
By the leakage between oil film seal high pressure chest and low pressure chamber, coefficient of friction is reduced, frictional force effect is reduced, sliding friction
Calorific value has taken away hydraulic system in, is lubricated friction to friction pair.
In a kind of preferred embodiment, the side wall of the roller chamber is equipped with the reserve of indent, and the base oil hole connects
Logical plunger shaft and the reserve.It can store part oil in the structure, in reserve, generate the effect that static balance is supported, profit
It slides good and rubs small.
In a kind of preferred embodiment, the outer wall of the piston is equipped with oil storage tank, and the side oilhole is connected to plunger shaft
In the oil storage tank structure, part oil can store in oil storage tank, generate the effect that static balance is supported, lubrication is good and rubs
It is small.
In a kind of preferred embodiment, the oil storage tank is the annular groove being distributed on piston outer wall, and sets in parallel
5 ~ 7 are equipped with, at least one described side oilhole is equipped in every oil storage tank, it is good that lubrication antifriction wipes effect.
In a kind of preferred embodiment, the outer end of the crank portion is equipped with limit convex edge, and the roller is placed in two limits
Between the convex edge of position, which keeps roller stability in roll high, stable equipment operation.
In a kind of preferred embodiment, the width of the roller chamber opening is less than the diameter of roller, avoids roller de-
Out.
In a kind of preferred embodiment, the eccentric structure of the crank portion is equipped with eccentric orfice, in the structure, by inclined
The setting in heart hole can reduce the weight of eccentric structure in crank portion, and eccentric force when reducing operation is more steady when running equipment
It is fixed.
In a kind of preferred embodiment, the eccentric orfice and crankshaft are arranged in an axially parallel mode, and eccentric orfice connection is inclined
Heart side opening, for the shaped eccentric side hole in the outside of crank portion, the structure, eccentric orfice connection shaped eccentric side hole can form oil circuit,
The effect of lubrication is provided.
In a kind of preferred embodiment, the both ends of the roller are equipped with boss, and snap ring is equipped in the shell, described convex
Platform limits the inner wall in snap ring.In the structure, the boss at both ends is limited respectively by symmetrically arranged two snap rings on ball, makes to roll
Column will not biased or abjection, keep equipment operation when stability and harmony.
In a kind of preferred embodiment, the high speed and high pressure motor is five-pointed star hydraulic motor.
Compared with prior art, the invention has the following advantages: providing a kind of novel high speed and high pressure motor, make
The mode being driven with the cooperation of simple roller piston, instead of ball in the prior art, bearing holder (housing, cover), crankshaft, connecting rod, piston etc.
Structure greatly reduces transmission chain and transmission parts, improves mechanical efficiency；By the design to oilhole, make height when operation
Pressure oil participates in lubrication and cooling, therefore cooling is more preferable with lubricant effect, and equipment whole service life is long.
Detailed description of the invention
Fig. 1 is the perspective view one of the motor in the present invention.
Fig. 2 is the perspective view two of the motor in the present invention.
Fig. 3 is the perspective view one of the shell in the motor of the application.
Fig. 4 is the perspective view two of the shell in the motor of the application.
Fig. 5 is the crankshaft group of the application and the perspective view of piston component cooperation.
Fig. 6 is the crankshaft group of the application and the front view of piston component cooperation.
Fig. 7 is the crankshaft group of the application and the perspective view of roller cooperation.
Fig. 8 is the crankshaft group of the application and the perspective view that roller and retainer ring cooperate.
Fig. 9 is the perspective view of the crankshaft group and roller cooperation in another embodiment.
Figure 10 is the perspective view one of the roller and piston cooperation in the application.
Figure 11 is the perspective view two of the roller and piston cooperation in the application.
Figure 12 is the perspective view one of the piston in the application.
Figure 13 is the perspective view two of the piston in the application.
Figure 14 is the perspective view three of the piston in the application.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.
In following implementation, same or similar label indicates same or similar original part or has identical from beginning to end
Or the original part of similar functions, it is exemplary below by way of the embodiment being described with reference to the drawings, for explaining only the invention, and
It is not considered as limiting the invention.
In description of the invention, it is to be understood that term: center, longitudinally, laterally, length, width, thickness, it is upper and lower,
The indicating positions such as front, rear, left and right, vertical, level, top, bottom, inside and outside, clockwise, counterclockwise or positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, therefore should not be understood as to the present invention
Limitation.In addition, term: first, second etc. be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of shown technical characteristic.In description of the invention unless specifically defined or limited otherwise, term: installation,
Connected, connection etc. shall be understood in a broad sense, and those skilled in the art can understand above-mentioned term at this as the case may be
Concrete meaning in practicability.
Referring to figs. 1 to Figure 14, it is hydraulic to be specifically as follows five-pointed star for the novel high speed and high pressure motor of one kind involved in the present invention
Motor, including shell 1, several cylinder bodies 2 are evenly distributed on the shell 1, and the outer end of the cylinder body 2 is solid by bolt 211
Surely there is cylinder cap 21, which is connected to oil circuit 27；Crankshaft group 3, the crank portion of the crankshaft group 3 are equipped in the shell 1
31 are placed in shell 1 and are sealed by bearing cap 4；The outside of the crank portion 31 is evenly distributed with the piston group protruded into cylinder body 2
Part, in which: the piston component include set on the outside of crank portion 31 roller 6 and relatively turnable be set on the roller 6
Piston 5；The bottom of the piston 5 is equipped with the roller chamber 52 of outs open, and the rotation of roller 6 is set in the roller chamber 52, and
The inner wall of roller chamber 52 is bonded substantially with the outer wall of roller 6 or very little clearance fit, guarantees stability when work；The piston
5 top is equipped with plunger shaft 54, and the bottom of the plunger shaft 54 is equipped with base oil hole 531, and the base oil hole 531 is connected to plunger shaft 54
With roller chamber 52；The side of the plunger shaft 54 is equipped with side oilhole 541, and the side oilhole 541 is connected to inside and outside piston side wall.
In a kind of embodiment of the application, the side wall of the roller chamber 52 is equipped with the reserve 53 of indent, specifically may be used
Think sinking chamber, have compared with area and shallower depth, the base oil hole 531 be connected to plunger shaft 54 and the reserve 53.
In the structure, part oil can store in reserve 53, generate the effect that static balance is supported, lubrication is good and rubs small.
In addition, the outer wall of the piston 5 is equipped with oil storage tank 51, the side oilhole 541 is connected to plunger shaft 54 and the oil storage
Slot 51.It can store part oil in oil storage tank 51, generate the effect that static balance is supported, lubrication is good and rubs small.Specifically, from
As can be seen that the oil storage tank 51 is the annular groove being distributed on 5 outer wall of piston in attached drawing, and 5 ~ 7 are arranged in parallel with, such as
Be 6 in figure, be equipped at least one described side oilhole 541 in every oil storage tank 51, preferably every oil storage tank 51 it is opposite
Two sides are equipped with a side oilhole 541, and for logical oil, it is good that lubrication antifriction wipes effect.
In presently filed embodiment, the outer end of the crank portion 31 is equipped with limit convex along 311, and the roller 6 is placed in two
Limit convex is between 311, and in the structure, two limit convexes form the track groove rolled for roller 6 along 311, makes the rolling of roller 6
Stability is high, stable equipment operation.Meanwhile the width of 52 opening of roller chamber is less than the diameter of roller 6, avoids roller 6
Abjection.In addition, the both ends of the roller 6 are equipped with boss 66 in the application, two cards being provided symmetrically in the shell 1
Ring 39, the boss 66 limit in the inner wall of snap ring 39, further make roller 6 will not biased or abjection, when keeping equipment operation
Stability and harmony.
In another preferred embodiment of the application, as shown in figure 9, the eccentric structure of the crank portion 31 is equipped with
Eccentric orfice 319 in the structure, by the setting of eccentric orfice, can reduce the weight of eccentric structure in crank portion 31, reduce operation
When eccentric force, it is more stable when running equipment.Meanwhile further, the eccentric orfice 319 is axially parallel with crankshaft sets
It sets, and the eccentric orfice 319 is connected to shaped eccentric side hole 318, the shaped eccentric side hole 318 is in the outside of crank portion 31, the structure, partially
Heart hole 319, which is connected to shaped eccentric side hole 318, can form oil circuit, when motor at work, it is bent under the action of centripetal force/centrifugal force
The hydraulic oil of shaped eccentric side hole 318 above axle portion 31 can spread outflow outward.Roller 6 and the friction of 31 outer surface of crank portion are produced
Raw heat, the hydraulic oil that the hydraulic oil constantly flowed is taken out of, while constantly being flowed also continuous lubricating transmission structure, provides profit
Sliding cooling effect, other structures characteristic are identical as a upper embodiment.
The working principle of hydraulic motor generally in the application is as follows: when work, connects the motor on hydraulic oil pump,
Oil pump can be conventional structure, and the oil pipe on oil pump is connected to the oil circuit 27 in motor, while oil circuit 27 is connected to by cylinder cap 21
Into cylinder body 2.When operation, oil pump makes successively oil transportation and oil return in five cylinder bodies 2 by oil transportation and oil return, drives in cylinder body 2
Piston 5 moves back and forth, and the piston in five cylinder bodies 2 successively moves back and forth that crank portion 31 is driven to rotate, and realizes crankshaft group 3
Rotation, carry out the output of torque.By the rolling cooperation between crank portion 31, roller 6, piston 5 in the application, may be implemented
Transmission, it is high-efficient, it rubs small, lubrication ability is strong.
In crank shaft-connection-lever type hydraulic in the prior art, drive mechanism is complicated, generally comprises ball, bearing holder (housing, cover), song
Axis, connecting rod, piston etc., when the operation of hydraulic motor high speed and high pressure, the big and excessive mechanical structure of friction in drive mechanism
So that mechanical efficiency is relatively low.In the application, this crankshaft such as traditional ball, bearing holder (housing, cover), crankshaft, connecting rod, piston is abandoned and has connected
Bar drive mechanism, reduces transmission chain and transmission parts, substantially increases mechanical efficiency.Meanwhile the piston 5 in the application and rolling
Column 6, roller 6 and crank portion 31, have been all made of rolling friction, have changed and be driven the sliding friction kind of drive, reduced friction
Resistance improves mechanical efficiency.
In addition, by opening a small base oil hole 531 in piston base, high pressure liquid pressure oil is guided to oil storage in the application
In area 53 and roller chamber 52, makes to form static pressure supporting role between piston 5 and roller 6, realize the balance of dynamic motion, together
When this sub-fraction hydraulic oil seal to form dynamic oil film layer by the curved surface between piston 5 and roller 6, rolling friction pair
Heat is taken away；Friction pair is cooled down and lubricated.
As the crankshaft-link rod of transmission, there are lateral forces in piston and inboard wall of cylinder block, in order to reduce work at work
It fills in frictional influence of the lateral force to inboard wall of cylinder block, in the application, side oilhole 541 is provided on piston, piston outer wall is made to pass through side
Oilhole 541 and plunger shaft 54(high pressure chest) conducting, to counteract part lateral forces, and piston and inboard wall of cylinder block form oil
Film friction, and by the leakage between oil film seal high pressure chest and low pressure chamber, coefficient of friction is reduced, frictional force effect is reduced,
Sliding friction calorific value has been taken away hydraulic system in, friction is lubricated to friction pair.
Above as can be seen that hydraulic motor in the present invention, using the mode of simple roller piston cooperation transmission, instead of
The structures such as ball in the prior art, bearing holder (housing, cover), crankshaft, connecting rod, piston, greatly reduce transmission chain and transmission parts, mention
High mechanical efficiency；By the design to oilhole, imitate high pressure oil participation lubrication and cooling therefore cooling and lubrication when operation
Fruit is more preferable, and equipment whole service life is long.
Protection scope of the present invention includes but is not limited to embodiment of above, and protection scope of the present invention is with claims
Subject to, replacement, deformation, the improvement that those skilled in the art that any pair of this technology is made is readily apparent that each fall within of the invention
Protection scope.
Claims (10)
1. a kind of novel high speed and high pressure motor, including shell (1), several cylinder bodies are evenly distributed on the shell (1)
(2), the outer end of the cylinder body (2) is fixed with cylinder cap (21), which is connected to oil circuit (27)；It is equipped in the shell (1)
Crankshaft group (3), the crank portion (31) of the crankshaft group (3) are placed in shell (1) and are sealed by bearing cap (4)；The song
The piston component protruded into cylinder body (2) is evenly distributed on the outside of axle portion (31), it is characterised in that:
The piston component includes roller (6) on the outside of crank portion (31) and relatively turnable on the roller (6)
Piston (5)；The bottom of the piston (5) is equipped with the roller chamber (52) of outs open, and roller (6) rotation is set to the roller
In chamber (52)；
The top of the piston (5) is equipped with plunger shaft (54), and the bottom of the plunger shaft (54) is equipped with base oil hole (531), described
Base oil hole (531) is connected to plunger shaft (54) and roller chamber (52)；The side of the plunger shaft (54) is equipped with side oilhole (541), institute
It states inside and outside side oilhole (541) connection piston side wall.
2. the novel high speed and high pressure motor of one kind according to claim 1, which is characterized in that the side of the roller chamber (52)
Wall is equipped with the reserve (53) of indent, base oil hole (531) connection plunger shaft (54) and the reserve (53).
3. the novel high speed and high pressure motor of one kind according to claim 1, which is characterized in that the outer wall of the piston (5)
It is equipped with oil storage tank (51), side oilhole (541) connection plunger shaft (54) and the oil storage tank (51).
4. the novel high speed and high pressure motor of one kind according to claim 3, which is characterized in that the oil storage tank (51) is point
Annular groove of the cloth on piston (5) outer wall, and 5 ~ 7 are arranged in parallel with, at least one is equipped in every oil storage tank (51)
The side oilhole (541).
5. the novel high speed and high pressure motor of one kind according to claim 1, which is characterized in that outside the crank portion (31)
End is equipped with limit convex along (311), and the roller (6) is placed in two limit convexes between (311).
6. the novel high speed and high pressure motor of one kind according to claim 1, which is characterized in that roller chamber (52) opening
The width at place is less than the diameter of roller (6).
7. the novel high speed and high pressure motor of one kind according to claim 1, which is characterized in that the crank portion (31) it is inclined
Core structure is equipped with eccentric orfice (319).
8. the novel high speed and high pressure motor of one kind according to claim 7, which is characterized in that the eccentric orfice (319) with
Crankshaft is arranged in an axially parallel mode, and the eccentric orfice (319) connection shaped eccentric side hole (318), and the shaped eccentric side hole (318) is set to crankshaft
The outside in portion (31).
9. the novel high speed and high pressure motor of one kind according to claim 1, which is characterized in that the both ends of the roller (6)
Equipped with boss (66), snap ring (39) are equipped in the shell (1), boss (66) limit is on the inner wall of snap ring (39).
10. the novel high speed and high pressure motor of one kind according to any one of claims 1 to 9, which is characterized in that the height
Fast high voltage machines are five-pointed star hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616033.1A CN110410378A (en) | 2019-07-09 | 2019-07-09 | A kind of novel high speed and high pressure motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616033.1A CN110410378A (en) | 2019-07-09 | 2019-07-09 | A kind of novel high speed and high pressure motor |
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| Publication Number | Publication Date |
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| CN110410378A true CN110410378A (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910616033.1A Pending CN110410378A (en) | 2019-07-09 | 2019-07-09 | A kind of novel high speed and high pressure motor |
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| CN (1) | CN110410378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580509A (en) * | 2021-06-15 | 2021-11-02 | 谢科珂 | Hollow motor low-injection-inertia single-cylinder injection mechanism |
-
2019
- 2019-07-09 CN CN201910616033.1A patent/CN110410378A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580509A (en) * | 2021-06-15 | 2021-11-02 | 谢科珂 | Hollow motor low-injection-inertia single-cylinder injection mechanism |
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Application publication date: 20191105 |