CN203879737U - Sliding vane pump - Google Patents

Sliding vane pump Download PDF

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Publication number
CN203879737U
CN203879737U CN201420295583.0U CN201420295583U CN203879737U CN 203879737 U CN203879737 U CN 203879737U CN 201420295583 U CN201420295583 U CN 201420295583U CN 203879737 U CN203879737 U CN 203879737U
Authority
CN
China
Prior art keywords
pump case
outlet
distributing pipe
oil
rotor
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.)
Expired - Fee Related
Application number
CN201420295583.0U
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Chinese (zh)
Inventor
高文元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANDAN TIANYI PUMP MANUFACTURING Co Ltd
Original Assignee
HANDAN TIANYI PUMP MANUFACTURING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANDAN TIANYI PUMP MANUFACTURING Co Ltd filed Critical HANDAN TIANYI PUMP MANUFACTURING Co Ltd
Priority to CN201420295583.0U priority Critical patent/CN203879737U/en
Application granted granted Critical
Publication of CN203879737U publication Critical patent/CN203879737U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a sliding vane pump. The sliding vane pump comprises a pump case, a rotor of which the circumference is provided with a plurality of radial open slots, a plurality of sliding vanes and an explosion-proof motor and further comprises a clearance adjustment device, an overflow device, a joint and an oil distribution pipe, wherein a stator chamber and stator concentric sleeves arranged at the upper and lower ends of the stator chamber are arranged inside the pump case, a plurality of oil drain holes are formed between each two radial open slots of rotors, and the plurality of oil drain holes are communicated with the bottom of the first radial open slot along a counterclockwise direction of the two radial open slots, the clearance adjustment device is mounted between the front cover of the pump case and the rotor, the overflow device is arranged at the upper part of the pump case and integrated with the pump case and the upper ends of the stator concentric sleeves into a whole and the oil distribution pipe is provided with an inlet and a plurality of outlets with different pipe diameters. The sliding vane pump has the advantages that the rotor can rotate and work under appropriate and stable clearance conditions, excess oil in the radial open slots of the rotor located at the bottom of the slip vanes is ensured to be smoothly discharged and requirements of the user on selectable output flow, pressure and lift of the single pump are met.

Description

A kind of sliding vane pump
Technical field
The utility model relates to a kind of sliding vane pump.
Background technique
At present, existing sliding vane pump is mainly made up of pump case, rotor and slide plate.There is the defect of following several respects in this existing sliding vane pump:
1. after rotor is installed in pump case, gap between rotor and pump case front/rear cover is difficult to ensure to maintain under a desired value, excesssive gap is the low vacuum in pump case chamber, leak seriously, flow reduces, and gap is too small, frictional force is large, the forward and backward two side ends surface wear of rotor is serious, causes sliding vane pump surface temperature to raise, and also can burn out motor when serious;
2. sliding vane pump is in the time of work, in the radially fluting that is rotated in rotor of slide plate with rotor, slide, in the time passing through the oil sucting cavity groove of pump case and unload oil pocket groove, because the variation of sealed volume may cause the oil pressure of slide plate bottom rotor in radially slotting unstable, unnecessary fluid cannot be discharged, and easily produces fluid flow pulsation, noise and affects the problem in slide plate life-span;
3. in pump case, generally there is no overflow mechanism, when the oil outlet valve open of pump hour, output flow reduces, oil outlet pressure can raise, and can not keep stable, likely affects the normal work of pump;
4. the oil outlet of pump only has one, and the flow of its output, pressure, lift are all fixed, and in the time that output flow, pressure, the lift of user to pump has other to require, just only has the sliding vane pump of buying other new specification, causes user's input cost to increase.
Model utility content
The purpose of this utility model is: design a kind of sliding vane pump, this sliding vane pump can make the gap between rotor and pump case front/rear cover ensure to maintain under a desired value constant, make rotor rotary work under this suitable, stable gap condition, and can ensure that the slide plate bottom rotor interior unnecessary fluid of radially slotting is discharged smoothly, so that slide plate is stressed evenly, working life of extending slide plate, flow pulsation and noise while reducing sliding vane pump work; And this sliding vane pump has multiple oil outlets, can be according to user the requirement of the output flow to pump, pressure, lift, select the oil outlet of suitable quantity, different tube diameters to carry out draining, and the sliding vane pump of other specification that need not more renew, in the time that oil outlet side oil pressure is too high, can also make unnecessary fluid flow back into filler opening by overflow mechanism, keep pump normally to work.
The purpose of this utility model can realize by following technical proposals:
A kind of sliding vane pump, comprise pump case, circumference is provided with some radially rotors of fluting, some slide plates and explosion separation motor, some slide plates are arranged on respectively in some radially flutings of rotor, on explosion separation motor, be fixed with pump case and bonnet thereof, the pto=power take-off of explosion separation motor is positioned at pump case, it is characterized in that: also comprise lash adjusting device, overflow mechanism, joint and oil distributing pipe, there is stator chamber the inside of pump case and is positioned on stator chamber, the stator concentric locking collar of lower end, the stator cavity that is loaded on pump case inside indoor rotor eccentricity, and be arranged on by its center hole on the pto=power take-off of explosion separation motor, rotor upper, lower end surface is by being positioned on stator chamber, the stator concentric locking collar location of lower end, every two of rotor are radially provided with several draining holes between fluting, and these several draining holes are radially connected by the first radially fluting bottom being rotated counterclockwise under direction in fluting with these two, between the protecgulum of pump case and rotor, lash adjusting device is installed, overflow mechanism is arranged on pump case internal upper part position, and be connected as a single entity with the upper end cover of pump case and stator concentric locking collar, oil distributing pipe is provided with the outlet of an import and multiple different tube diameters, an import of oil distributing pipe is connected with the oil outlet of pump case by joint, the outlet port of multiple different tube diameters of oil distributing pipe is all provided with valve switch.
Lash adjusting device described in the utility model is by adjustment block, adjust bolt, axle sleeve, bearing, oil sealing A and end cap form, the left end of adjustment block is provided with outside thread, the neutral position, right side of rotor is provided with internal thread, in adjustment block is passed through, outside thread is connected with the right side of rotor, adjusting bolt is loaded in the center hole of adjustment block, and be connected with the pto=power take-off of explosion separation motor by screw thread, the right-hand member of axle sleeve and adjustment block closely cooperates, bearing is arranged in the shoulder hole between axle sleeve and pump case protecgulum, oil sealing A is loaded in the seal groove between pump case protecgulum and adjustment block, end cap is fixed on the right output port place of pump case protecgulum by sunk screw.
Overflow mechanism described in the utility model is by valve gap, spring seat, pressure regulating screw, lid is female, spring, valve core case, be loaded on the spool in valve core case, inner sleeve, oil sealing B and oil sealing C form, valve gap is fixed on the left port place on pump case top, spring seat is loaded in valve gap, pressure regulating screw is arranged in the center hole of valve gap, and be connected with spring seat, cover female spinning on valve gap, spring one end is fixed on spring seat, the other end is fixed on valve core case, valve core case right part barrel portion is sleeved in inner sleeve, the outer conical surface of its left part is the interior guiding conical surface that left end diameter is greater than right-hand member diameter, this interior guiding conical surface is pressed on by spring on the internal conical surface of inner sleeve left end, interior set upper side and pump case are connected as a single entity, the upper end cover of lower end and stator concentric locking collar is connected as a single entity, oil sealing B is arranged in the sealed groove of valve gap left end, oil sealing C is loaded in the sealed groove between valve gap and pump case.
The filler opening place of the pump case of this sliding vane pump of the utility model is also provided with filter screen.
The outlet of the multiple different tube diameters of the utility model oil distributing pipe is square or circular, and is linear array, and the outlet of import and multiple different tube diameters is orthogonal, and with the outlet of caliber maximum that is positioned at oil distributing pipe middle part on same vertical plane.
The outlet of the multiple different tube diameters of the utility model oil distributing pipe is circular, and is linear array, and the outlet of import and multiple different tube diameters is orthogonal, and with the outlet of caliber maximum that is positioned at oil distributing pipe one end on same vertical plane.
The outlet of the multiple different tube diameters of the utility model oil distributing pipe is circular, and is mutually several angle and arranges, and the outlet of import and multiple different tube diameters is orthogonal, and with the outlet that is positioned at the caliber maximum in the middle part of oil distributing pipe on same vertical plane.
The outlet of the multiple different tube diameters of the utility model oil distributing pipe is circular, and be linear array, and the outlet of import and multiple different tube diameters is reverse, and be positioned at oil distributing pipe in the middle part of or the outlet of the caliber maximum of one end corresponding.
The utility model has the advantages that: 1) simple in structure, with low cost; 2) there is lash adjusting device, can make the gap between rotor and pump case front/rear cover ensure to maintain under a desired value constant, make rotor rotary work under this suitable, stable gap condition, and every two of rotor are radially provided with several draining holes between fluting, can ensure that the slide plate bottom rotor interior unnecessary fluid of radially slotting is discharged smoothly, so that slide plate is stressed evenly, working life of extending slide plate, flow pulsation and noise while reducing sliding vane pump work; 3) oil distributing pipe has multiple outlets, can be according to user the requirement of the output flow to pump, pressure, lift, select the outlet of suitable quantity, different tube diameters to carry out draining, and the sliding vane pump of other specification that need not more renew, in the time that oil distributing pipe outlet side oil pressure is too high, can also make unnecessary fluid flow back into filler opening by the built-in overflow mechanism of sliding vane pump, keep pump normally to work.
Brief description of the drawings
Fig. 1 is that master of the present utility model looks sectional view;
Fig. 2 is the A-A line sectional view of Fig. 1;
Fig. 3 is plan structure schematic diagram of the present utility model;
Fig. 4 is overflow mechanism sectional structure schematic diagram;
Fig. 5 is that the master of rotor looks cross-sectional schematic;
Fig. 6 is the B-B line sectional view of Fig. 5;
Fig. 7 is the side-looking structural representation of rotor;
Fig. 8 is that the 1st kind of embodiment's oil distributing pipe master looks sectional view;
Fig. 9 is that sectional view is looked on the 1st kind of embodiment's the oil distributing pipe right side;
Figure 10 is the 1st kind of embodiment's oil distributing pipe plan structure schematic diagram;
Figure 11 is the main TV structure schematic diagram of the 2nd kind of embodiment's oil distributing pipe;
Figure 12 is the left TV structure schematic diagram of the 2nd kind of embodiment's oil distributing pipe;
Figure 13 is the 2nd kind of embodiment's oil distributing pipe plan structure schematic diagram;
Figure 14 is the main TV structure schematic diagram of the 3rd kind of embodiment's oil distributing pipe;
Figure 15 is the left TV structure schematic diagram of the 3rd kind of embodiment's oil distributing pipe;
Figure 16 is the 3rd kind of embodiment's oil distributing pipe plan structure schematic diagram;
Figure 17 is the 4th kind of embodiment's oil distributing pipe side-looking structural representation;
Figure 18 is the plan structure schematic diagram of Figure 17;
Figure 19 is the main TV structure schematic diagram of the 5th kind of embodiment's oil distributing pipe;
Figure 20 is the left TV structure schematic diagram of the 5th kind of embodiment's oil distributing pipe;
Figure 21 is the 5th kind of embodiment's oil distributing pipe plan structure schematic diagram;
Figure 22 is the main TV structure schematic diagram of the 6th kind of embodiment's oil distributing pipe;
Figure 23 is the left TV structure schematic diagram of the 6th kind of embodiment's oil distributing pipe;
Figure 24 is the 6th kind of embodiment's oil distributing pipe plan structure schematic diagram.
In figure: 3, oil sucting cavity groove; 13, draining chamber groove; 15, motor and pump case bonnet connecting bolt; 25, motor and pump case protecgulum connecting bolt; 40, overflow mechanism oil-feed side; 41, the fuel-displaced side of overflow mechanism.
Embodiment
As shown in Fig. 1-2 4, a kind of sliding vane pump, comprise pump case 9, circumference is provided with some radially rotors 2 of fluting, some slide plates 1 and explosion separation motor 14, some slide plates 1 are arranged on respectively in some radially flutings of rotor 2, on explosion separation motor 14, be fixed with pump case 9 and bonnet 16 thereof, the pto=power take-off 26 of explosion separation motor 14 is positioned at pump case 9, it is characterized in that: also comprise lash adjusting device, overflow mechanism 6, joint 11 and oil distributing pipe 12, there is stator chamber the inside of pump case 9 and is positioned on stator chamber, the stator concentric locking collar 8 of lower end, it is indoor that rotor 2 is loaded on the stator cavity of pump case 9 inside prejudicially, and be arranged on by its center hole on the pto=power take-off 26 of explosion separation motor 14, rotor 2 upper, lower end surface is by being positioned on stator chamber, the stator concentric locking collar 8 of lower end is located, every two of rotor 2 are radially provided with several draining holes 37 between fluting, and these several draining holes 37 are radially connected by the first radially fluting bottom being rotated counterclockwise under direction in fluting with these two, between the protecgulum 17 of pump case 9 and rotor 2, lash adjusting device is installed, overflow mechanism 6 is arranged on pump case 9 internal upper part positions, and be connected as a single entity with the upper end cover of pump case 9 and stator concentric locking collar 8, oil distributing pipe 12 is provided with the outlet of an import and multiple different tube diameters, an import of oil distributing pipe 12 is connected with the oil outlet 10 of pump case 9 by joint 11, the outlet port of multiple different tube diameters of oil distributing pipe 12 is all provided with valve switch.Filler opening 5 places of the pump case 9 of this sliding vane pump are also provided with filter screen 4.
As shown in Figure 2, described lash adjusting device is by adjustment block 24, adjust bolt 22, axle sleeve 23, bearing 21, oil sealing A 18 and end cap 20 form, the left end of adjustment block 24 is provided with outside thread, the neutral position, right side of rotor 2 is provided with internal thread, in adjustment block 24 is passed through, outside thread is connected with the right side of rotor 2, adjusting bolt 22 is loaded in the center hole of adjustment block 24, and be connected with the pto=power take-off 26 of explosion separation motor 14 by screw thread, axle sleeve 23 closely cooperates with the right-hand member of adjustment block 24, bearing 21 is arranged in the shoulder hole between axle sleeve 23 and pump case 9 protecgulums 17, oil sealing A 18 is loaded in the seal groove between pump case 9 protecgulums 17 and adjustment block 24, end cap 20 is fixed on the right output port place of pump case 9 protecgulums 17 by sunk screw 19.
As shown in Figure 4, described overflow mechanism 6 is by valve gap 31, spring seat 30, pressure regulating screw 29, lid female 28, spring 33, valve core case 35, be loaded on the spool 34 in valve core case 35, inner sleeve 7, oil sealing B 27 and oil sealing C 32 form, valve gap 31 is fixed on the left port place on pump case 9 tops, spring seat 30 is loaded in valve gap 31, pressure regulating screw 29 is arranged in the center hole of valve gap 31, and be connected with spring seat 30, cover female 28 spinnings on valve gap 31, spring 33 one end are fixed on spring seat 30, the other end is fixed on valve core case 35, valve core case 35 right part barrel portions are sleeved in inner sleeve 7, the outer conical surface of its left part is the interior guiding conical surface 36 that left end diameter is greater than right-hand member diameter, this interior guiding conical surface 36 is pressed on by spring 33 on the internal conical surface of inner sleeve 7 left ends, inner sleeve 7 upper ends and pump case 9 are connected as a single entity, the upper end cover of lower end and stator concentric locking collar 8 is connected as a single entity, oil sealing B 27 is arranged in the sealed groove of valve gap 31 left ends, oil sealing C 32 is loaded in the sealed groove between valve gap 31 and pump case 9.
As shown in Fig. 8-13, the outlet 39 of more than 12 different tube diameters of oil distributing pipe is square or circular, and be linear array, import 38 is orthogonal with the outlet 39 of multiple different tube diameters, and with the outlet 39 of caliber maximum that is positioned at oil distributing pipe 12 middle parts on same vertical plane.
As shown in Figure 14-16, the outlet 39 of more than 12 different tube diameters of oil distributing pipe is circular, and be linear array, and the outlet 39 of import 38 and multiple different tube diameters is orthogonal, and with the outlet 39 of caliber maximum that is positioned at oil distributing pipe 12 one end on same vertical plane.
As shown in Figure 17,18, the outlet 39 of more than 12 different tube diameters of oil distributing pipe is circular, and be mutually several angle and arrange, import 38 is orthogonal with the outlet 39 of multiple different tube diameters, and with the outlet 39 of caliber maximum that is positioned at oil distributing pipe 12 middle parts on same vertical plane.
As shown in Figure 19-24, the outlet 39 of more than 12 different tube diameters of oil distributing pipe is circular, and be linear array, and the outlet 39 of import 38 and multiple different tube diameters is reverse, and corresponding with the outlet 39 of caliber maximum that is positioned at oil distributing pipe 12 middle parts or one end.

Claims (8)

1. a sliding vane pump, comprise pump case (9), circumference is provided with some radially rotors (2) of fluting, some slide plates (1) and explosion separation motor (14), some slide plates (1) are arranged on respectively in some radially flutings of rotor (2), on explosion separation motor (14), be fixed with pump case (9) and bonnet (16) thereof, the pto=power take-off (26) of explosion separation motor (14) is positioned at pump case (9), it is characterized in that: also comprise lash adjusting device, overflow mechanism (6), joint (11) and oil distributing pipe (12), there is stator chamber the inside of pump case (9) and is positioned on stator chamber, the stator concentric locking collar (8) of lower end, it is indoor that rotor (2) is loaded on the inner stator cavity of pump case (9) prejudicially, and be arranged on by its center hole on the pto=power take-off (26) of explosion separation motor (14), rotor (2) upper, lower end surface is by being positioned on stator chamber, stator concentric locking collar (8) location of lower end, every two of rotor (2) are radially provided with several draining holes (37) between fluting, and these several draining holes (37) are radially connected by the first radially fluting bottom being rotated counterclockwise under direction in fluting with these two, between the protecgulum (17) of pump case (9) and rotor (2), lash adjusting device is installed, overflow mechanism (6) is arranged on pump case (9) internal upper part position, and be connected as a single entity with the upper end cover of pump case (9) and stator concentric locking collar (8), oil distributing pipe (12) is provided with the outlet of an import and multiple different tube diameters, an import of oil distributing pipe (12) is connected with the oil outlet (10) of pump case (9) by joint (11), the outlet port of multiple different tube diameters of oil distributing pipe (12) is all provided with valve switch.
2. a kind of sliding vane pump according to claim 1, it is characterized in that: described lash adjusting device is by adjustment block (24), adjust bolt (22), axle sleeve (23), bearing (21), oil sealing A(18) and end cap (20) formation, the left end of adjustment block (24) is provided with outside thread, the neutral position, right side of rotor (2) is provided with internal thread, in adjustment block (24) is passed through, outside thread is connected with the right side of rotor (2), adjusting bolt (22) is loaded in the center hole of adjustment block (24), and be connected with the pto=power take-off (26) of explosion separation motor (14) by screw thread, axle sleeve (23) closely cooperates with the right-hand member of adjustment block (24), bearing (21) is arranged in the shoulder hole between axle sleeve (23) and pump case (9) protecgulum (17), oil sealing A(18) be loaded in the seal groove between pump case (9) protecgulum (17) and adjustment block (24), end cap (20) is fixed on the right output port place of pump case (9) protecgulum (17) by sunk screw (19).
3. a kind of sliding vane pump according to claim 1, it is characterized in that: described overflow mechanism (6) is by valve gap (31), spring seat (30), pressure regulating screw (29), lid female (28), spring (33), valve core case (35), be loaded on the spool (34) in valve core case (35), inner sleeve (7), oil sealing B(27) and oil sealing C(32) form, valve gap (31) is fixed on the left port place on pump case (9) top, spring seat (30) is loaded in valve gap (31), pressure regulating screw (29) is arranged in the center hole of valve gap (31), and be connected with spring seat (30), female (28) spinning of lid is on valve gap (31), spring (33) one end is fixed on spring seat (30), the other end is fixed on valve core case (35), valve core case (35) right part barrel portion is sleeved in inner sleeve (7), the outer conical surface of its left part is the interior guiding conical surface (36) that left end diameter is greater than right-hand member diameter, this interior guiding conical surface (36) is pressed on by spring (33) on the internal conical surface of inner sleeve (7) left end, inner sleeve (7) upper end and pump case (9) are connected as a single entity, the upper end cover of lower end and stator concentric locking collar (8) is connected as a single entity, oil sealing B(27) be arranged in the sealed groove of valve gap (31) left end, oil sealing C(32) be loaded in the sealed groove between valve gap (31) and pump case (9).
4. a kind of sliding vane pump according to claim 1, is characterized in that: the filler opening (5) of the pump case (9) of this sliding vane pump locates to be also provided with filter screen (4).
5. according to a kind of sliding vane pump described in claim 1~4 any one, it is characterized in that: the outlet (39) of the multiple different tube diameters of oil distributing pipe (12) is for square or circular, and be linear array, the outlet (39) of import (38) and multiple different tube diameters is orthogonal, and with the outlet (39) of caliber maximum that is positioned at oil distributing pipe (12) middle part on same vertical plane.
6. according to a kind of sliding vane pump described in claim 1~4 any one, it is characterized in that: the outlet (39) of the multiple different tube diameters of oil distributing pipe (12) is for circular, and be linear array, the outlet (39) of import (38) and multiple different tube diameters is orthogonal, and with the outlet (39) of caliber maximum that is positioned at oil distributing pipe (12) one end on same vertical plane.
7. according to a kind of sliding vane pump described in claim 1~4 any one, it is characterized in that: the outlet (39) of the multiple different tube diameters of oil distributing pipe (12) is for circular, and being mutually several angle arranges, the outlet (39) of import (38) and multiple different tube diameters is orthogonal, and with the outlet (39) of caliber maximum that is positioned at oil distributing pipe (12) middle part on same vertical plane.
8. according to a kind of sliding vane pump described in claim 1~4 any one, it is characterized in that: the outlet (39) of the multiple different tube diameters of oil distributing pipe (12) is for circular, and be linear array, the outlet (39) of import (38) and multiple different tube diameters is reverse, and corresponding with the outlet (39) of caliber maximum that is positioned at oil distributing pipe (12) middle part or one end.
CN201420295583.0U 2014-06-05 2014-06-05 Sliding vane pump Expired - Fee Related CN203879737U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420295583.0U CN203879737U (en) 2014-06-05 2014-06-05 Sliding vane pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420295583.0U CN203879737U (en) 2014-06-05 2014-06-05 Sliding vane pump

Publications (1)

Publication Number Publication Date
CN203879737U true CN203879737U (en) 2014-10-15

Family

ID=51680240

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420295583.0U Expired - Fee Related CN203879737U (en) 2014-06-05 2014-06-05 Sliding vane pump

Country Status (1)

Country Link
CN (1) CN203879737U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108302018A (en) * 2018-01-09 2018-07-20 上海绩优机电股份有限公司 The eccentric driven pump of energy protective conduit
CN109626312A (en) * 2018-12-27 2019-04-16 杭州博务流体科技有限公司 A kind of oil depot light hydrocarbon fuel oil installs additional and volatilization gas recyclable device
CN109654014A (en) * 2018-12-27 2019-04-19 浙江广播电视大学 A kind of easy gasifying medium rotor mix transportation supercharging device of vehicle-carried mobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108302018A (en) * 2018-01-09 2018-07-20 上海绩优机电股份有限公司 The eccentric driven pump of energy protective conduit
CN108302018B (en) * 2018-01-09 2019-09-03 上海绩优机电股份有限公司 The eccentric driven pump of energy protective conduit
CN109626312A (en) * 2018-12-27 2019-04-16 杭州博务流体科技有限公司 A kind of oil depot light hydrocarbon fuel oil installs additional and volatilization gas recyclable device
CN109654014A (en) * 2018-12-27 2019-04-19 浙江广播电视大学 A kind of easy gasifying medium rotor mix transportation supercharging device of vehicle-carried mobile

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141015

CF01 Termination of patent right due to non-payment of annual fee