CN202900677U - High-efficient anti-explosion pneumatic self-priming pump - Google Patents
High-efficient anti-explosion pneumatic self-priming pump Download PDFInfo
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- CN202900677U CN202900677U CN 201220558412 CN201220558412U CN202900677U CN 202900677 U CN202900677 U CN 202900677U CN 201220558412 CN201220558412 CN 201220558412 CN 201220558412 U CN201220558412 U CN 201220558412U CN 202900677 U CN202900677 U CN 202900677U
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Abstract
The utility model provides a high-efficient anti-explosion pneumatic self-priming pump. A centrifugal pump is connected with a centrifugal pump motor, and the suction inlet of the centrifugal pump is provided with a pneumatic vacuumizing device. The pneumatic vacuumizing device comprises a pneumatic diaphragm pump, a liquid storage tank, a liquid level switch I, a pressure switch and a flange tee joint, wherein the pneumatic diaphragm pump is communicated with the liquid storage tank, the liquid level switch I is installed on the side portion of the liquid storage tank, the pressure switch is connected with the outlet of the centrifugal pump, and the flange tee joint is connected with the liquid storage tank and the outlet of the centrifugal pump respectively as a main suction inlet. An orifice flange is further installed on the liquid storage tank, and the orifice flange is connected with the outlet of the centrifugal pump as a secondary suction inlet. A liquid level switch II is further installed on the top portion of the liquid storage tank. The high-efficient anti-explosion pneumatic self-priming pump is strong in self-sucking capacity, safe, convenient and reliable to use, and economical and environment-friendly.
Description
Technical field
The utility model relates to a kind of pump, particularly the pneumatic self-priming pump of a kind of efficient explosionproof.
Background technique
As everyone knows, put under the liquid such as main use long shaft submerged pump, submerged pump, non-sealing self-sucking pump, strong self-priming pump and turbine-type self-priming pump under petroleum chemical enterprise's refinery device liquid in the past and put on pump, its structural principle, pluses and minuses are as follows:
(1) long shaft submerged pump
1, VS4 type major axis drives the former characteristics of sump pump main structure
(1) impeller immerses under the liquid, and available NPSH NPSHA＞necessary net positive suction head NPSHR is difficult for finding time.
(2) upper end rolling bearing and bottom Tuo Wa combination realizes rotor axial location and radial support.
(3) outside one liquid stream of introducing of self-pumping watt is lubricated holder.
2, the problem that exists in the operation process
(1) pump shaft is longer, and lifting and maintenance are very inconvenient.
(2) pump shaft is longer, vibrate larger, the holder watt rapid wear, rate of fault is relatively high.
(3) pump has unusually, be difficult for to find, can not on-call maintenance, to such an extent as to cause equipment badly damaged, and easily cause security incident.
(4) have gas-phase space in the oil sump, the mechanical friction spark that produces in the pump operation process easily causes the combustible gas blast, has larger potential safety hazard
(2) submerged pump
1, main structure principle and characteristics
(1) motor and the pump housing immerse under the liquid, and available NPSH NPSHA＞necessary net positive suction head NPSHR is difficult for finding time.
(2) pump housing and motor are coaxial, three mouthfuls of bearing combinations of motor side, rotor axial location and radial support.
(3) adopt two pass mechanical seal, sealing is immersed in the oil sealing
2, the problem that exists in the operation process
(1) motor and the pump housing immerse under the liquid, inconvenient maintenance.
(2) after electrical apparatus element wore out, easily electric leakage was not explosion-proof.
(3) component are perishable, and the life-span is short.
(4) the machine envelope also lost efficacy than being easier to.
(3) strong self-priming pump
1, main structure principle
Centrifugal pump shaft is lengthened, drives the suction-exhaust mechanism that is configured in the bearing housing place by self pump shaft, with plastic flexible pipe with suction-exhaust mechanism and pump suction pipe UNICOM.
Plugged, suction-exhaust mechanism is discharged gas in suction pipe and the pump case, and medium sucks pump chamber, and the pump shaft with suction-exhaust mechanism and High Rotation Speed breaks away from again, makes it stop suction and discharge, regulates outlet valve, makes pump operation.
2, the problem that exists in the operation process
(1) the suction and discharge system failure rate is high.Because bearing housing has added the suction-exhaust mechanism load, bearing housing bearing and suction and discharge driving gear be rapid wear very, often repair and replacement.
(2) inhale vacuum and begin in the pump housing without medium, machine end-blocking face is done rotation and is often caused dry friction to damage, and as with after the packing seal dry grinding, it is large that the gap becomes, and gas leakage vacuumizes frequent inefficacy.
(3) the suction-exhaust mechanism gear needs the manual gear clutch, and the tooth phenomenon is beaten in operation inconvenience when often gears to engage and disengage occuring, easily produce spark, has potential safety hazard.
(4) medium often is inhaled into suction-exhaust mechanism, causes the water spray phenomenon.
(5) complex structure, the dismounting inconvenient maintenance; Nonstandard pump safeguards that interchangeability is poor.
(4) non-sealing self-sucking pump
1, main structure principle
In pump case, be provided with gas-liquid separation chamber, start in the front liquid storage room with the pump housing and below thereof and fill medium, separate and backflow by the continuous gas-liquid delivery of impeller after starting, the suction pipe air is taken away, reach the purpose that medium is sucted introducing.
2, the topic that exists in the operation process
(1) the self-priming performance reliability is low, and frequent self-priming lost efficacy when especially medium had impurity, and pump startup is not shown liquid.
(2) pump efficiency is low, itself has hydraulic loss and return loss, and hydraulic performance falls behind, and power consumption is large.
(3) suction capacity is poor, and maximum sucts 4.5m.
(4) the intake air control valve often lost efficacy, and caused after the termination of pumping medium siphon to flow backwards, and this opens again
Self-priming lost efficacy when moving, frequent maintenance.
The interior liquid of pump overflows from accessory vane shaft seal easily when (5) stopping transport.
(6) be not suitable for the outdoor work in winter
(5) interior backflow self-priming pump (being also referred to as vapor and liquid mixed self-priming pump)
1, main structure principle
In the pump housing, be designed with gas-liquid separation chamber, before starting pump filled medium, by the continuous gas-liquid delivery of impeller, separation and backflow, the pump suction pipe space is vacuumized after starting, reach the purpose that medium sucts.
2, the problem that exists in the operation process
(1) liquid backflow hole, separation chamber is subject to the impurity obstruction in the pump housing, often causes self-priming to lose efficacy.
(2) pump efficiency is low, has hydraulic loss and return loss.
(3) self-priming time is longer.
(4) the self-priming performance reliable rows is not high, and suction capacity is poor.
(5) be not suitable for the outdoor work in winter.
(6) turbine synchronous discharging-suction pump
1, main structure principle
Rotate the turbine engine that reaches 10000 rev/mins at the suction side of centrifugal pump configuration high-speed and vacuumize, medium is drawn in the pump case, with the pump startup operation, turbine engine quits work again.
2, the problem that exists in the operation process
The inflammable gas of liquid pool gas-phase space is discharged by the impeller of turbine blower fan High Rotation Speed when (1) vacuumizing, because turbine draught fan impeller and housing clearance between guide vanes are very little, be easy to produce frictional heating or produce spark, the serious potential safety hazard that exists dielectric gas to fire.
(2) easy to wear between turbine multistage wind wheel and the housing stator, suction capacity degradation after the wearing and tearing.
(3) turbine engine tank level control system defectiveness easily stops up malfunctioning.
(4) body that turbine engine is bled can't be collected, and can only be discharged in the atmosphere, and toxic gas pollutes and endangers.
(5) turbine engine complex structure, the maintenance cost expense is high, safeguards inconvenience.
Summary of the invention
The purpose of this utility model provides the pneumatic self-priming pump of a kind of efficient explosionproof, and suction capacity is strong, uses safety, convenient, reliable and economy, environmental protection.
The technical solution of the utility model: the pneumatic self-priming pump of efficient explosionproof, centrifugal pump is connected with centrifugal pump motor, and centrifugal pump intake place is equipped with pneumatic suction vacuum system.
Described pneumatic suction vacuum system comprises membrane pump with pneumatic drive, liquid container, liquid-level switch I, pressure switch and flanged tee, wherein membrane pump with pneumatic drive communicates with liquid container, the liquid-level switch I is installed in the side position of liquid container, pressure switch is connected with centrifugal delivery side of pump, flanged tee as main suction port respectively with liquid container be connected pump intake and be connected.
Orifice flange also is installed on the described liquid container, and orifice flange is connected with centrifugal delivery side of pump as secondary suction port.
The top of described liquid container also is equipped with the liquid-level switch II.
The pneumatic self-priming pump of efficient explosionproof adopts following electrical design: circuit breaker, A.C. contactor JLC, thermorelay RJ and the motor M person of being connected connect in turn; Fus RD is connected between circuit breaker and the A.C. contactor JLC, fus RD, thermal relay normally closed contact RJ, stop button TA, start button QA connect in turn and are connected to transformer BL input end, and the normally opened contact of auxiliary reclay C2 is connected in parallel on the two ends of start button QA; Connect with the normally opened contact of auxiliary reclay C1 after the time-delay break contact of time relay sj 1 and the auxiliary reclay C3 parallel connection, connect with A.C. contactor JLC after foregoing circuit and the parallel connection of auxiliary reclay C4 normally opened contact, the circuit after the series connection is connected to transformer BL input end again; Auxiliary reclay C4 normally opened contact is in parallel with the time-delay break contact of time relay sj 1, the normally opened contact YW of liquid-level switch I is in parallel with the normally opened contact of auxiliary reclay C1, connect with auxiliary reclay C1 again after above-mentioned two parallel circuits series connection, be connected to transformer BL output terminal; The normally-closed contact YJ2 of the normally opened contact YJ1 of the normally opened contact of auxiliary reclay C2, time relay sj, pressure switch and the series connection circuit of auxiliary reclay C4 and pressure switch and the series connection circuit of auxiliary reclay C3 are connected to respectively transformer BL output terminal; Connect with solenoid valve CT in the timing closing contact of time relay sj, push-button switch 1TA connects with time relay sj, in parallel with time relay sj 1 again after above-mentioned two series circuit parallel connections, the circuit after the parallel connection be connected to transformer BL output terminal after the normally opened contact of auxiliary reclay C3 is connected.
Two ends at A.C. contactor JLC are connected in parallel to green indicating lamp; In transformer BL output loop, the normally opened contact of time relay sj is serially connected with red led.
The beneficial effects of the utility model: this self-priming pump structure is comprised of pneumatic suction vacuum system and Ordinary Centrifugal Pumps, pneumatic suction vacuum system is comprised of membrane pump with pneumatic drive, liquid container, liquid-level switch II and liquid-level switch I, flanged tee and orifice flange, flanged tee (main suction port) is connected with centrifugal pump intake, be used for fixing pneumatic suction vacuum system, orifice flange (secondary suction port) is connected with centrifugal delivery side of pump, above-mentioned connecting means has not only effectively guaranteed being emptied completely of centrifugal pump and pipeline Air, can guarantee again the outlet pressure of centrifugal pump; 2 liquid-level switches are installed in the liquid container of pneumatic suction vacuum system, and the liquid-level switch I is normal use condition, is installed in the side position of liquid container, and the liquid-level switch II is discharge cock, is installed in the position, top of liquid container.When the liquid-level switch I lost efficacy, the liquid-level switch II participated in control work; Pressure switch is connected with outlet of centrifugal pump, is used for detecting the outlet pressure of centrifugal pump, thus the start and stop work of control centrifugal pump motor; The self-priming process of pneumatic suction vacuum system is by time relay sj 1 control, be used for monitoring the suction situation of medium, if the liquid-level switch II at the pneumatic suction vacuum system of in setting time has action, whole self-priming process can be proceeded, reach to start and require the rear centrifugal pump motor that starts, if the liquid-level switch II in the pneumatic suction vacuum system of in setting time is not moved, whole self-priming process can stop automatically, control circuit automatically locks operation system, and send alarm signal, remind the staff to carry out inspection and the maintenance of pipeline, therefore this control circuit can prevent the dry running of centrifugal pump, improve the working life of centrifugal pump, guaranteed the continuous and steady operation of pump.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is electric control circuit schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, the pneumatic self-priming pump of efficient explosionproof, centrifugal pump 7 is connected with centrifugal pump motor 8, and the suction port place of centrifugal pump 7 is equipped with pneumatic suction vacuum system.
Described pneumatic suction vacuum system comprises membrane pump with pneumatic drive 1, liquid container 3, liquid-level switch I 4, pressure switch 9 and flanged tee 6, wherein membrane pump with pneumatic drive 1 communicates with liquid container 3, liquid-level switch I 4 is installed in the side position of liquid container 3, pressure switch 9 is connected with the outlet of centrifugal pump 7, and flanged tee 6 is connected with the suction port that liquid container 3 is connected with centrifugal pump respectively as main suction port.
On the described liquid container 3 orifice flange 5 is installed also, the outlet with centrifugal pump 7 is connected orifice flange 5 as secondary suction port.
The top of described liquid container 3 also is equipped with liquid-level switch II 2.
As shown in Figure 2, the pneumatic self-priming pump of efficient explosionproof adopts following electrical design: circuit breaker, A.C. contactor JLC, thermorelay RJ and the motor M person of being connected connect in turn; Fus RD is connected between circuit breaker and the A.C. contactor JLC, fus RD, thermal relay normally closed contact RJ, stop button TA, start button QA connect in turn and are connected to transformer BL input end, and the normally opened contact of auxiliary reclay C2 is connected in parallel on the two ends of start button QA; Connect with the normally opened contact of auxiliary reclay C1 after the time-delay break contact of time relay sj 1 and the auxiliary reclay C3 parallel connection, connect with A.C. contactor JLC after foregoing circuit and the parallel connection of auxiliary reclay C4 normally opened contact, the circuit after the series connection is connected to transformer BL input end again; Auxiliary reclay C4 normally opened contact is in parallel with the time-delay break contact of time relay sj 1, the normally opened contact YW of liquid-level switch I 4 is in parallel with the normally opened contact of auxiliary reclay C1, connect with auxiliary reclay C1 again after above-mentioned two parallel circuits series connection, be connected to transformer BL output terminal; The normally-closed contact YJ2 of the normally opened contact YJ1 of the normally opened contact of auxiliary reclay C2, time relay sj, pressure switch 9 and the series connection circuit of auxiliary reclay C4 and pressure switch 9 and the series connection circuit of auxiliary reclay C3 are connected to respectively transformer BL output terminal; Connect with solenoid valve CT in the timing closing contact of time relay sj, push-button switch 1TA connects with time relay sj, in parallel with time relay sj 1 again after above-mentioned two series circuit parallel connections, the circuit after the parallel connection be connected to transformer BL output terminal after the normally opened contact of auxiliary reclay C3 is connected.
Two ends at A.C. contactor JLC are connected in parallel to green indicating lamp; In transformer BL output loop, the normally opened contact of time relay sj is serially connected with red led.
Working procedure: at first start membrane pump with pneumatic drive 1 during this device work, when membrane pump with pneumatic drive 1 is emptying with the air in centrifugal pump and the pipeline by two suction ports of primary and secondary medium is sucked liquid container 3, when the liquid level height of medium in liquid container 3 reaches design height, liquid-level switch 4 actions, show that medium has been full of the whole pump housing, at this moment control circuit can start centrifugal pump motor 8 automatically, when the outlet pressure value of centrifugal pump 7 rises to the authorized pressure value, the pressure switch 9 that is contained in centrifugal pump 7 outlets can stop pneumatic suction vacuum system, finishes whole self-priming process.During centrifugal pump 7 work the medium in the liquid container 3 is taken away in the lump, guaranteed the noresidue of the medium in the liquid container 3.When the outlet pressure value of centrifugal pump 7 was down to specified value, the pressure switch 9 that is contained in centrifugal pump 7 outlets can stop the motor 8 of centrifugal pump 7, opens simultaneously pneumatic suction vacuum system, repeats the self-priming start-up course.
The concrete control procedure of control circuit: the control circuit of this self-priming pump is designed with telecontrol and local control, and wherein TA is local stop button, and TA' is the strange land stop button, and QA' is the strange land start button, and QA is the local boot button.Press QA or QA ＇ during startup, ZSD-WHITE is bright for the white power supply indicator, simultaneously auxiliary reclay C2 coil adhesive, will give the B1 transformer-supplied so always, input power 380V changes into 220V and supplies with the control apparatus use, because the pressure switch low pressure point is normally closed, so auxiliary reclay C3 gets electric work, therefore solenoid valve CT and time relay sj and SJ1 get electric work, SJ begins timing simultaneously, when delay time do not arrive and pneumatic suction vacuum system in liquid-level switch YW when action, auxiliary reclay C1 gets electric work, and its normally opened contact is closed will to make the contactor JLC coil of motor get electric adhesive with that normally-closed contact acting in conjunction of time relay sj simultaneously, and three power supplys will be connected, direct starting electrical machinery M, green indicating lamp is bright.The normally opened contact of auxiliary reclay C1 self is closed to form self-locking with liquid-level switch YW, prevents the circuit erroneous action when liquid-level switch returns normality.When pump discharge pressure rises to specified value, the low automatic disconnection solenoid valve CT of pressure switch YJ and time relay sj and SJ1, close source of the gas and finish the self-priming starting circuit, when the high auto-closing of the low automatic disconnection while pressure switch YJ of pressure switch YJ, auxiliary reclay C4 gets electronic work, its normally opened contact is closed, the contactor JLC coil that has guaranteed motor continues electricly, time relay sj 1 has guaranteed the persistency that circuit connects when pressure switch is switched, can not produce the rush of current of moment, avoid the infringement to motor.When delivery side of pump pressure dropped to specified value, pressure switch YJ is high can to disconnect auxiliary reclay C4, makes water pump out of service.Pressure switch YJ is low simultaneously connects automatically, makes time relay sj and time relay sj 1 and solenoid valve CT energising, repeats self-priming starting circuit process, and at this moment diaphragm pump can start the repeated priming exhaust process automatically.If pressed after start button QA or the QA ＇, it is overtime to have passed through time-delay, at this moment motor M can not start, red-fault lamp ZSD-RED can be bright, presses after the reset button 1TA, and time relay sj is from newly beginning timing, the repeated priming process, if still report overtimely, press stop button TA or TA ＇, the inspection equipment pipeline.Special mark: this circuit can connect liquid level control switch at TA and QA, will form full-automatic start and stop structure.
The same long shaft submerged pump of the pneumatic self-priming pump of efficient explosionproof, submerged pump, non-sealing self-sucking pump, turbine sucking pump and strong self-priming pump, turbine-type self-priming pump etc. are compared, and following advantages is arranged:
1, pump does not insert medium, and is not fragile;
2, the complete machine pump is convenient to maintenance more than ground;
3, start sucks medium automatically, without the tank pump;
4, the self-priming machine suction head reaches seven meters, and suction capacity is strong;
5, after pump idle running or medium were drained, autostop can be realized left unguarded;
6, rotatable parts are away from medium pool, and are safe and reliable;
7, the self-priming machine power source is pressurized air, safety, economy, environmental protection;
8, self-priming speed is fast, requires low to field working conditions;
9, Exhaust Gas can be collected discharging, safety and environmental protection;
10, not residual medium in the pump housing, cold-resistant antifreeze.
Claims (5)
1. the pneumatic self-priming pump of efficient explosionproof, centrifugal pump (7) is connected with centrifugal pump motor (8), it is characterized in that: the suction port place of centrifugal pump (7) is equipped with pneumatic suction vacuum system; Described pneumatic suction vacuum system comprises membrane pump with pneumatic drive (1), liquid container (3), liquid-level switch I (4), pressure switch (9) and flanged tee (6), wherein membrane pump with pneumatic drive (1) communicates with liquid container (3), liquid-level switch I (4) is installed in the side position of liquid container (3), pressure switch (9) is connected with the outlet of centrifugal pump (7), and flanged tee (6) is connected 7 with liquid container (3) with centrifugal pump respectively as main suction port) suction port be connected.
2. the pneumatic self-priming pump of efficient explosionproof as claimed in claim 1, it is characterized in that: orifice flange (5) also is installed on the described liquid container (3), and the outlet with centrifugal pump (7) is connected orifice flange (5) as secondary suction port.
3. the pneumatic self-priming pump of efficient explosionproof as claimed in claim 2, it is characterized in that: the top of described liquid container (3) also is equipped with liquid-level switch II (2).
4. such as the pneumatic self-priming pump of the arbitrary described efficient explosionproof of claim 1-3, it is characterized in that adopt following electrical design: circuit breaker, A.C. contactor JLC, thermorelay RJ and the motor M person of being connected connect in turn; Fus RD is connected between circuit breaker and the A.C. contactor JLC, fus RD, thermal relay normally closed contact RJ, stop button TA, start button QA connect in turn and are connected to transformer BL input end, and the normally opened contact of auxiliary reclay C2 is connected in parallel on the two ends of start button QA; Connect with the normally opened contact of auxiliary reclay C1 after the time-delay break contact of time relay sj 1 and the auxiliary reclay C3 parallel connection, connect with A.C. contactor JLC after foregoing circuit and the parallel connection of auxiliary reclay C4 normally opened contact, the circuit after the series connection is connected to transformer BL input end again; Auxiliary reclay C4 normally opened contact is in parallel with the time-delay break contact of time relay sj 1, the normally opened contact YW of liquid-level switch I (4) is in parallel with the normally opened contact of auxiliary reclay C1, connect with auxiliary reclay C1 again after above-mentioned two parallel circuits series connection, be connected to transformer BL output terminal; The normally-closed contact YJ2 of the normally opened contact YJ1 of the normally opened contact of auxiliary reclay C2, time relay sj, pressure switch (9) and the series connection circuit of auxiliary reclay C4 and pressure switch (9) and the series connection circuit of auxiliary reclay C3 are connected to respectively transformer BL output terminal; Connect with solenoid valve CT in the timing closing contact of time relay sj, push-button switch 1TA connects with time relay sj, in parallel with time relay sj 1 again after above-mentioned two series circuit parallel connections, the circuit after the parallel connection be connected to transformer BL output terminal after the normally opened contact of auxiliary reclay C3 is connected.
5. the pneumatic self-priming pump of efficient explosionproof as claimed in claim 4, it is characterized in that: the two ends at A.C. contactor JLC are connected in parallel to green indicating lamp; In transformer BL output loop, the normally opened contact of time relay sj is serially connected with red led.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558412 CN202900677U (en) | 2012-10-29 | 2012-10-29 | High-efficient anti-explosion pneumatic self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558412 CN202900677U (en) | 2012-10-29 | 2012-10-29 | High-efficient anti-explosion pneumatic self-priming pump |
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| Publication Number | Publication Date |
|---|---|
| CN202900677U true CN202900677U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220558412 Expired - Fee Related CN202900677U (en) | 2012-10-29 | 2012-10-29 | High-efficient anti-explosion pneumatic self-priming pump |
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| Country | Link |
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| CN (1) | CN202900677U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196736A (en) * | 2014-08-23 | 2014-12-10 | 王亚泉 | Control circuit structure of high-efficiency intelligent self-priming pump |
| CN106194653A (en) * | 2016-08-30 | 2016-12-07 | 高芊 | A kind of vacuum pump |
| CN108105108A (en) * | 2016-11-25 | 2018-06-01 | 王飞 | A kind of light self-priming risk-elimination pump |
-
2012
- 2012-10-29 CN CN 201220558412 patent/CN202900677U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196736A (en) * | 2014-08-23 | 2014-12-10 | 王亚泉 | Control circuit structure of high-efficiency intelligent self-priming pump |
| CN106194653A (en) * | 2016-08-30 | 2016-12-07 | 高芊 | A kind of vacuum pump |
| CN108105108A (en) * | 2016-11-25 | 2018-06-01 | 王飞 | A kind of light self-priming risk-elimination pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YAN ZHEPENG Free format text: FORMER OWNER: LIAONING TIANYUAN PUMP MANUFACTURE CO., LTD. Effective date: 20140422 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140422 Address after: 115007 green industrial park, Bayuquan District, Liaoning, Yingkou Patentee after: Yan Zhepeng Address before: 115007 Binhai Industrial Zone, Yingkou economic and Technological Development Zone, Liaoning Patentee before: Liaoning Tianyuan Pump Manufacture Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: LIAONING XINTIANYUAN PUMP MANUFACTURE CO., LTD. Free format text: FORMER OWNER: YAN ZHEPENG Effective date: 20140604 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 115007 YINGKOU, LIAONING PROVINCE TO: 115200 YINGKOU, LIAONING PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140604 Address after: 115200 Beihai motor industry zone, Yingkou, Liaoning, Gaizhou Patentee after: LIAONING XINTIANYUAN PUMP CO., LTD. Address before: 115007 green industrial park, Bayuquan District, Liaoning, Yingkou Patentee before: Yan Zhepeng |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20201029 |