CN105715541A - Extrusion type eccentric rotary oil transfer pump, application and use method thereof - Google Patents

Extrusion type eccentric rotary oil transfer pump, application and use method thereof Download PDF

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Publication number
CN105715541A
CN105715541A CN201510980345.2A CN201510980345A CN105715541A CN 105715541 A CN105715541 A CN 105715541A CN 201510980345 A CN201510980345 A CN 201510980345A CN 105715541 A CN105715541 A CN 105715541A
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CN
China
Prior art keywords
rotor
oil
pump
oil transfer
pump case
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.)
Pending
Application number
CN201510980345.2A
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Chinese (zh)
Inventor
韩锐锐
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.)
Shandong Fangneng Geothermal Research Institute Co., Ltd.
Original Assignee
Shandong Chuangneng Machinery Technology 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 Shandong Chuangneng Machinery Technology Co Ltd filed Critical Shandong Chuangneng Machinery Technology Co Ltd
Priority to CN201510980345.2A priority Critical patent/CN105715541A/en
Publication of CN105715541A publication Critical patent/CN105715541A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/22Rotary-piston machines or pumps of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003Sealing arrangements in rotary-piston machines or pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023Axial sealings for working fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

The invention discloses an extrusion type eccentric rotary oil transfer pump, an application and a use method thereof. The oil transfer pump comprises a pump case, wherein a cavity is formed in the pump case, and oil transfer inlets and oil transfer outlets are formed in the pump case; a triangular rotor is arranged in the cavity, three working cavities are formed between the side surfaces of the rotor and the cavity, and the rotor sleeves an eccentric block of an input shaft to rotate, so that the working cavities are expanded or narrowed; the rotor is in clearance fit with a crankshaft, a fixed gear is fixedly arranged in the pump case, an inner gear ring which is matched with the fixed gear is arranged in the middle of the rotor, the inner gear ring is fixedly connected with the rotor, and the pump case and the rotor are made of wear resistant materials. The extrusion type eccentric rotary oil transfer pump has the beneficial effects that an eccentric rotary structure is adopted, so that a working volume is increased, and the oil inlet and outlet processes of two cavities can be completed when a main shaft of a motor turns a circle, so that the efficiency is high; the extrusion type eccentric rotary oil transfer pump has the advantages of compact and reasonable design structure, stability in operation, small vibration and no noise.

Description

Squash type bias revolution oil transfer pump, application and using method thereof
Technical field
The present invention relates to oil transfer pump field, be specifically related to squash type bias revolution oil transfer pump, application and using method thereof.
Background technology
Oil transfer pump is a visual plant in oil-gas gathering and transportation system, and the operational efficiency of whole system is had a direct impact by its performance.Oil transfer pump is divided into gear fuel supply pump, diaphragm fuel supply pump, plunger-type fuel delivery pump, duct type oil transfer pump etc..
Pump is used for oil recovery industry, mainly has plunger displacement pump, centrifugal pump and curved bar pump.It seems that from As-Is, value of demand fixed displacement and the little multiplex centrifugal pump of occasion of lift, this occasion its vibration is little, efficiency is high more practical, but under the occasion that value of demand fixed displacement and lift are bigger, adopt plunger displacement pump more, under this occasion, it is bigger than centrifugal pump actual displacement, power consumption is low, and efficiency is high, therefore in discharge capacity more than 50m3The gathering station of/h, uses plunger-type fuel delivery pump more more economical than centrifugal pump.The curved bar efficiency of pump is high, and oil transportation unit consumption is low, therefore outside defeated discharge capacity lower than 20m3The block station of/h, use curved bar pump than centrifugal pump more economical rationally.And the squash type bias revolution oil transfer pump of the present invention, stable working, discharge capacity are big, and good seal performance is thus pressure is big, lift is high, by changing nozzle diameter, pump housing size, have both been suitable for the occasion that the little lift of discharge capacity is low, and have been also adapted to the occasion that the big lift of discharge capacity is high equally.
Developing progressive today rapidly in science and technology, the range of application in carried of crude oil field of the oil transfer pump in crude oil pipeline constantly expands.Different from traditional automobile, railway, inland river, sea transport mode, pipeline transportation, as a kind of new transport mode, has cast aside transport agent, successional can carry out long-distance transportation.In crude oil pipeline conveying, oil transfer pump mainly has: gear fuel supply pump, piston type fuel supply pump, scraper-type oil transfer pump etc., based on gear pump.Gear pump has the advantage of uniqueness in carried of crude oil, but it also has disadvantages that: the gear of gear pump, axle and the pressure imbalance being subject on bearing, radial load is big, limiting the raising of its pressure, therefore gear pump operating pressure is relatively low, and gear pump is mainly used in middle low-pressure system;Gear pump face leakage is big, and therefore volumetric efficiency is relatively low;Gear pump flow pulsation is big, causes pressure fluctuation big, makes pipeline, valve etc. produce vibration, and noise is big.
Summary of the invention
It is an object of the invention to provide a kind of squash type bias revolution oil transfer pump and using method thereof, this oil transfer pump overcomes the shortcoming of said pump, is suitable for multiple workplace, stable, and efficiency is high.
In order to reach above-mentioned purpose, the present invention adopts the following technical scheme that
Squash type bias revolution oil transfer pump, including:
Pump case, is provided with cavity in pump case, pump case is provided with oil transportation entrance and oil transportation outlet;
Being provided with three-apexed rotor in cavity, rotor forms 3 working chambers with pump case, and rotor is enclosed within the eccentric block place of power shaft and rotates increase or the reduction to realize working chamber;Described rotor and bent axle matched in clearance, be installed with fixed gear, be provided with the ring gear coordinated with fixed gear in the middle part of rotor in pump case, ring gear is fixing connects rotor;The ratio of interior ring gear and the number of teeth of fixed gear is more than 1;Described pump case include one annular or Long Circle sidewall, sidewall be respectively provided on two sides with capping, sidewall be step-like with capping engage.
Another kind of scheme is: squash type bias revolution oil transfer pump, including:
Pump case, is provided with cavity in pump case, pump case is provided with oil transportation entrance and oil transportation outlet;
Being provided with three-apexed rotor in cavity, rotor forms 3 working chambers with pump case, and rotor is enclosed within the eccentric block place of power shaft and rotates increase or the reduction to realize working chamber;Described rotor and bent axle matched in clearance, be installed with fixed gear, be provided with the tooth coordinated with fixed gear in the middle part of rotor in pump case;The ratio of interior ring gear and the number of teeth of fixed gear is more than 1;Described pump case include one annular or Long Circle sidewall, sidewall be respectively provided on two sides with capping, sidewall be step-like with capping engage.
Further, eccentric block is cam-like.
Further, described oil transportation entrance and oil transportation outlet are respectively arranged with two, and oil transportation entrance is crisscross arranged with oil transportation outlet, and four mouths are symmetrical arranged up and down.
Further, ring gear is 3:2 with the ratio of the number of teeth of fixed gear, it is achieved motor (power shaft) each rotation, and rotor turns 1/3 week, completes the fuel-displaced process of oil-feed of two working chambers.
Further, described pump case bottom is provided with the fixing seat of vertical direction.
Further, it is provided with end cap between described capping and described power shaft.
Further, described sidewall engages place with described capping and is provided with sealing gasket, is provided with oil duct between described end cap and power shaft, is filled with oils and fats in oil duct.
Further, described power shaft is connected with power set by electrodeless variable-speed motor.
Further, three limits of described rotor are cambered outwards camber line.
Further, the interior angle place of described rotor equipped with telescopic hard sealing strip with seal operation cavity.
Described oil transfer pump is in the application of fire fighting motorcycle.
The using method of oil transfer pump, specifically comprises the following steps that
1) rotor rotates under the drive of power shaft, and by an oil transportation entrance oil suction, the volume of a working chamber increases;
2) rotor continues to rotate, step 1) in the volume of working chamber be gradually reduced, fluid is discharged from oil transportation outlet;
3) oil transfer pump is from step 2) the oil transportation entrance oil suction of oil transportation outlet lower section, the volume of working chamber increases;
4) rotor continues to rotate, step 3) in the volume of working chamber be gradually reduced, fluid is discharged from oil transportation outlet;
5) simultaneously from step 1) and step 3) oil transportation entrance oil suction, repetition step 1)-step 4).
The operation principle of the present invention is: the rotation of rotor is divided into and is rotated rotor driven by power shaft and rotate around power shaft and the gear motion of internal gear and fixed gear completes rotation two parts of rotor.The geometric center of rotor is while revolving round the sun in power shaft center, and rotor itself is again around self geometric center rotation.When rotor rotates, the ring gear centered by rotor center engages with the fixed gear centered by power shaft center, fixed gear and pump case geo-stationary, is fixed on pump case.Rotor and capping divide into not connected three working chamber cylinder body, and the volume being changed three working chambers by the compound motion of rotor has changed work, and namely rotor completes the rotation in a cycle, and pump completes six oil extraction processes of six oil suctions;Power is provided by power shaft, because of ring gear, fixed gear is meshed, ring gear is fixed on rotor, fixed gear and sidewall geo-stationary, the ratio of ring gear and the number of teeth of fixed gear is 3:2, above-mentioned movement relation makes the movement locus of rotor apex like oval, rotor is divided into three chambeies that work alone sidewall, three working chambers each successively complete oil-feed and oil extraction, in Fig. 3, A to G process is the oil-feed oil extraction process of the cavity that in Fig. 4, indication oil transportation entrance starts oil-feed, this process rotor rotation half-turn, therefore the rotating speed of power shaft is 3 times of rotor rotational velocity, so it follows that power shaft turns around, the fuel-displaced process of oil-feed of two cavitys can be completed.
The invention has the beneficial effects as follows:
1) adopting eccentric extrusion structure, axle and bearing pressurized relative equilibrium, strength of gear is less, good airproof performance, can produce bigger pressure.
2) squash type bias revolution oil transfer pump adopts eccentric revolving structure, increases swept volume, and electric machine main shaft turns around and can complete 2 fuel-displaced processes of cavity oil-feed, and efficiency is high;Squash type bias revolution oil transfer pump design compact conformation is reasonable, and the vibration that operates steadily is little, noiselessness.
Accompanying drawing explanation
Fig. 1 is squash type bias revolution oil transfer pump texture edge schematic diagram;
Fig. 2 is squash type bias revolution oil transfer pump structure front schematic view;
Fig. 3 is squash type bias revolution oil transfer pump rotor work process schematic diagram in cavity;
Fig. 4 is squash type bias revolution oil transfer pump inlet/outlet pipe position view;
Fig. 5 is the squash type bias revolution interchangeable inlet/outlet pipe schematic diagram of oil transfer pump.
Wherein: 1--sidewall;2--sealing gasket;3 rotors;Cover before 4;5 bearings;6 rear bearing end caps;7 oil transportation outlets;8 ring gears;9--end cap;10 fixed gears;11 fore bearing end caps;12 power shafts;13 rear seal-covers.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete description.
As it is shown in figure 1, squash type bias revolution oil transfer pump includes: power shaft 12, bearing 5, rotor 3, ring gear 8, fixed gear 10;Front capping 4, rear seal-cover 13, sidewall 1, rotor 3, end cap 9 etc..7 oil-feeds are exported fuel-displaced by oil transportation.By motor input source power, mating buncher, band driven input shaft 12 rotates, and makes rotor power shaft 12 main axis, and rotor 3 is limited by gear, around power shaft 12 rotation, thus being combined into the class elliptical orbit on rotor 3 summit.Power shaft 12 each rotation, rotor 3 turns 1/3 week, complete the fuel-displaced process of oil-feed of two working chambers.Oil transportation entrance and oil transportation outlet are located on sidewall 1, centrosymmetry is arranged, and position is calculated analytically, and selects optimal location, the horizontal line outer position that oil transportation center line of suction is selected in Fig. 3 B location place rotor left upper apex, oil transportation center line of discharge is through B location place rotor right vertices in Fig. 3;The turnover mouth of pipe has female thread, and inlet/outlet pipe is threaded connection, and flowline size is indefinite simultaneously, can change according to demand, as shown in Figure 5.
Sidewall inner chamber molded line is the outer trochoid of double; two arcs that inscribe generative methods is formed, and the contour line of rotor 3 is the interior envelope of sidewall molded line.
Rotate around power shaft 12 with motor driven rotor 3, rotor 3 is limited around power shaft 12 rotation by ring gear 8 and fixed gear 10 again, two kinds of motion synthesis are the approximate ellipse of rotor 3 vertex trajectories, have changed suction and the discharge of fluid by changing each cavity volume, have completed oil transportation.
This squash type bias revolution oil transfer pump rotor 3 has rotated the fuel-displaced operation principle of oil-feed as shown in Figure 3 in sidewall 1, power is provided by power shaft 12, because of ring gear 8, fixed gear 10 is meshed, ring gear 8 is fixed on rotor 3, fixed gear 10 and sidewall 1 geo-stationary, the ratio of ring gear 8 and the number of teeth of fixed gear 10 is 3:2, above-mentioned movement relation makes the movement locus on rotor 3 summit like oval, 3 sidewalls 1 of rotor are divided into three chambeies that work alone, three working chambers each successively complete oil-feed and oil extraction, in Fig. 3, A to G process is the oil-feed oil extraction process of the working chamber that in Fig. 4, indication oil-in d starts oil-feed, this process rotor 3 rotation half-turn, therefore the rotating speed of power shaft 12 is 3 times of rotor 3 rotational velocity, so it follows that power shaft turns around, the fuel-displaced process of oil-feed of two working chambers can be completed.
Rotor 3 is coordinated with the eccentric block place of power shaft 12 by axle sleeve;The input of power shaft 12 is assembled together with bearing (ball) cover by bearing and end cap 9, front capping 4 coordinates with sidewall 1, front capping 4 is inserted end cap 9, fixed by fore bearing end cap 11 before bearing, fixed gear 10 is fixed with front capping 4, the other end of power shaft 12 is assembled together by bearing and rear bearing end cap 6, and rear bearing end cap is fixed with rear seal-cover 13 by fastening bolt.Front capping 4 is bolted on sidewall 1 by fastening with rear seal-cover 13.It is internal that ring gear 8 is embedded in rotor 3, and fixed gear 10 covers on 4 before being embedded in.The side of rotor 3 is equipped with wear-resistant seal ring, to realize the sealing of rotor 3 side and front and back capping;3 three sharp corners of rotor are provided with groove, groove equipped with spring sealed to realize the sealing of rotor 3 and working chamber.
Squash type bias revolution oil transfer pump seals and can be divided into end face seal and axial seal.End face seal adopts as shown in Figure 1 and is respectively designed with step surface in front capping 4 and rear seal-cover 13 and sidewall 1 so that makes both be interlocked, and is lined with sealing gasket 2, plays sealing function.Front capping 4 and rear seal-cover 13, rotor 3, sidewall 1 work surface is processed through grinding machine so that front and back cover between 13,4 and rotor 3, leave the gap of 0.005-0.01mm between rotor 3 and sidewall 1, fluid it is full of, it is ensured that 3 chamber opposing seal that work independently that rotor 3 divides during work.Axial seal primarily inputs the sealing between axle 12 and fore bearing end cap 11, the method adopted is to be provided with oil duct on fore bearing end cap 11 with power shaft 12 contact surface, inside fill out oils and fats, the gap of 0.1-0.3mm is left between fore bearing end cap 11 and power shaft 12, can ensure that axial seal, oil transportation entrance and oil transportation outlet are respectively mounted check valve, it is ensured that pumping pressure.
Embodiment 2
The difference of the present embodiment and embodiment 1 is:
Internal rotor has the tooth coordinated with fixed gear.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (10)

1. squash type bias revolution oil transfer pump, it is characterised in that including:
Pump case, is provided with cavity in pump case, pump case is provided with oil transportation entrance and oil transportation outlet;
Being provided with three-apexed rotor in cavity, rotor is enclosed within the eccentric block place of power shaft and rotates increase or the reduction to realize working chamber;Described rotor and bent axle matched in clearance, be installed with fixed gear, be provided with the ring gear coordinated with fixed gear in the middle part of rotor in pump case, ring gear is fixing connects rotor;The ratio of interior ring gear and the number of teeth of fixed gear is more than 1;Described pump case includes sidewall, sidewall be respectively provided on two sides with capping, sidewall be step-like with capping engage.
2. squash type bias revolution oil transfer pump, it is characterised in that including:
Pump case, is provided with cavity in pump case, pump case is provided with oil transportation entrance and oil transportation outlet;
Being provided with three-apexed rotor in cavity, rotor is enclosed within the eccentric block place of power shaft and rotates increase or the reduction to realize working chamber;Described rotor and bent axle matched in clearance, be installed with fixed gear, be provided with the tooth coordinated with fixed gear in the middle part of rotor in pump case;The ratio of interior ring gear and the number of teeth of fixed gear is more than 1;Described pump case includes a sidewall, sidewall be respectively provided on two sides with capping, sidewall be step-like with capping engage.
3. oil transfer pump as claimed in claim 1 or 2, it is characterised in that described oil transportation entrance and oil transportation outlet are respectively arranged with two, and oil transportation entrance is crisscross arranged with oil transportation outlet, and four mouths are symmetrical arranged up and down.
4. oil transfer pump as claimed in claim 1 or 2, it is characterised in that described pump case bottom is provided with the fixing seat of vertical direction, the ratio of interior ring gear and the number of teeth of fixed gear is 3:2.
5. oil transfer pump as claimed in claim 1 or 2, it is characterised in that be provided with end cap between described capping and described power shaft.
6. oil transfer pump as claimed in claim 5, it is characterised in that described sidewall engages place with described capping and is provided with sealing gasket, is provided with oil duct between described end cap and power shaft, is filled with oils and fats in oil duct.
7. oil transfer pump as claimed in claim 1 or 2, it is characterised in that described power shaft is connected with power set by electrodeless variable-speed motor.
8. the oil transfer pump as described in claim 1 or 2 or 6, it is characterised in that three limits of described rotor are cambered outwards camber line, rotor and pump case form 3 working chambers, the interior angle place of described rotor equipped with telescopic hard sealing strip with seal operation cavity.
9. the oil transfer pump described in any one of claim 1-8 is in the application of fire fighting motorcycle.
10. the using method of oil transfer pump as claimed in claim 3, it is characterised in that specifically comprise the following steps that
1) rotor rotates under the drive of power shaft, and by an oil transportation entrance oil suction, the volume of a working chamber increases;
2) rotor continues to rotate, step 1) in the volume of working chamber be gradually reduced, fluid is discharged from oil transportation outlet;
3) oil transfer pump is from step 2) the oil transportation entrance oil suction of oil transportation outlet lower section, the volume of working chamber increases;
4) rotor continues to rotate, step 3) in the volume of working chamber be gradually reduced, fluid is discharged from oil transportation outlet;
5) simultaneously from step 1) and step 3) oil transportation entrance oil suction, repetition step 1)-step 4).
CN201510980345.2A 2015-12-23 2015-12-23 Extrusion type eccentric rotary oil transfer pump, application and use method thereof Pending CN105715541A (en)

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Application Number Priority Date Filing Date Title
CN201510980345.2A CN105715541A (en) 2015-12-23 2015-12-23 Extrusion type eccentric rotary oil transfer pump, application and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510980345.2A CN105715541A (en) 2015-12-23 2015-12-23 Extrusion type eccentric rotary oil transfer pump, application and use method thereof

Publications (1)

Publication Number Publication Date
CN105715541A true CN105715541A (en) 2016-06-29

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Country Link
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106837781A (en) * 2017-01-18 2017-06-13 常州大学 Composite fabricated rotor pump
CN107989791A (en) * 2018-01-06 2018-05-04 邓荣 More rotor compression inhalation machines
CN108730177A (en) * 2018-06-26 2018-11-02 闫羽 A kind of automobile lubricating oil pump
CN108757444A (en) * 2018-07-13 2018-11-06 吉林大学青岛汽车研究院 A kind of triangle rotor type hydraulic pump motor
CN108868949A (en) * 2018-06-26 2018-11-23 闫羽 A method of promoting automobile engine service life
CN109083838A (en) * 2018-07-31 2018-12-25 合肥集源穗意液压技术股份有限公司 A kind of high-efficiency oil-return, decompression preceding lid mechanism
CN113236556A (en) * 2020-08-22 2021-08-10 苏州讯如电子科技有限公司 Gear type pressure regulating oil pump with harmonic molded lines
CN116378817A (en) * 2023-04-07 2023-07-04 南京拓和机电科技有限公司 Rotor cylinder

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002130150A (en) * 2000-10-18 2002-05-09 Naka Instruments Co Ltd Liquid drive
JP2003314476A (en) * 2002-04-25 2003-11-06 Advics:Kk Wankel type vacuum pump
CN1474056A (en) * 2002-11-26 2004-02-11 乐金电子(天津)电器有限公司 Antiwear structure for preventing wankle compressor
CN1851271A (en) * 2006-05-22 2006-10-25 陕西科技大学 Triangular rotor hydraulic pump
CN201354734Y (en) * 2009-02-23 2009-12-02 谭立平 Triangle rotor type delivery pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002130150A (en) * 2000-10-18 2002-05-09 Naka Instruments Co Ltd Liquid drive
JP2003314476A (en) * 2002-04-25 2003-11-06 Advics:Kk Wankel type vacuum pump
CN1474056A (en) * 2002-11-26 2004-02-11 乐金电子(天津)电器有限公司 Antiwear structure for preventing wankle compressor
CN1851271A (en) * 2006-05-22 2006-10-25 陕西科技大学 Triangular rotor hydraulic pump
CN201354734Y (en) * 2009-02-23 2009-12-02 谭立平 Triangle rotor type delivery pump

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106837781A (en) * 2017-01-18 2017-06-13 常州大学 Composite fabricated rotor pump
CN107989791A (en) * 2018-01-06 2018-05-04 邓荣 More rotor compression inhalation machines
CN107989791B (en) * 2018-01-06 2024-03-26 邓荣 Multi-rotor compression suction machine
CN108730177A (en) * 2018-06-26 2018-11-02 闫羽 A kind of automobile lubricating oil pump
CN108868949A (en) * 2018-06-26 2018-11-23 闫羽 A method of promoting automobile engine service life
CN108868949B (en) * 2018-06-26 2019-09-06 绍兴市寅源智能科技有限公司 A method of promoting automobile engine service life
CN108757444A (en) * 2018-07-13 2018-11-06 吉林大学青岛汽车研究院 A kind of triangle rotor type hydraulic pump motor
CN109083838A (en) * 2018-07-31 2018-12-25 合肥集源穗意液压技术股份有限公司 A kind of high-efficiency oil-return, decompression preceding lid mechanism
CN113236556A (en) * 2020-08-22 2021-08-10 苏州讯如电子科技有限公司 Gear type pressure regulating oil pump with harmonic molded lines
CN113236556B (en) * 2020-08-22 2022-04-19 江苏锡安达防爆股份有限公司 Gear type pressure regulating oil pump with harmonic molded lines
CN116378817A (en) * 2023-04-07 2023-07-04 南京拓和机电科技有限公司 Rotor cylinder

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Effective date of registration: 20190701

Address after: 250002 Building 1 Unit 1001, No. 23, Shanghai International Community Area 1, Zhongzhong District, Jinan City, Shandong Province

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